WEBVTT
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♪
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Jim: the Shenandoah
National Park lies
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in the heart of the Blue Ridge
Mountains of Virginia.
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Established in 1935,
the park has 190,420 acres--
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most of it wilderness.
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Hello, I'm Jim Welch
with naturalist Rudy Mancke
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and today we'll talk
about changes
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and the effect of man on this
great range of mountains.
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Rudy: Yeah, this is a very,
very special place.
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Usually when you think
of Shenandoah National Park,
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you think of a very diverse
hardwood forest
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and I think we'll be able,
you know, to see that
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as we walk along today.
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The Blue Ridge Mountains
are really a part
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of the Appalachians
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that run basically
north-south, Jim.
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So we're going to see
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some plants that are more
typical of the north
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that have gotten
down this far
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following that chain
of mountains
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and also maybe see some
from the south
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that have made it
up this distance, too.
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Very special
place, though.
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Highest point here is a little
over 4,000 feet above sea level.
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Hawksbill Mountain is
the name of it--
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off there in the distance,
a little bit of haze there.
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But not extremely
tall mountains
02:39.600 --> 02:42.600 align:left position:10% line:83% size:80%
and yet there are Northern
plants that do very well here
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that you really kind of
don't expect here.
02:44.833 --> 02:48.733 align:left position:10% line:83% size:80%
Basically a hardwood forest,
but right over in this direction
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you see balsam fir that's
doing just as well here
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as it is in Vermont
or in Canada.
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Not common here...
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Jim: Cold-weather plants.
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Rudy: Yes, not common here,
but doing well
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especially on these
outcrops of rock.
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A little more harsh
environment here
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but you see it's even got
cones on it.
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So it's settled in
and reproducing.
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And then as you look
on all these cracks and
crevices in the rocks
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you see lots
of little plants
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that seem to be hugging
those crevices.
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Three-toothed cinquefoil is
the common name for it--
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a Northern species.
03:18.233 --> 03:20.200 align:left position:10% line:83% size:80%
See, it's got
white flowers on it
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three parts to the leaves
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and three teeth on each one
of those little leaflets.
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So three-toothed cinquefoil
is a common name.
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Look at those little hiding
places in the cracks.
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And then also we've got
flowering over here
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in front of us
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something called ninebark.
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It gets that name because
of the bark shredding off
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in long pieces, and
you see it is flowering.
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Member of the rose family.
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The geology here is
also a good story.
03:48.233 --> 03:50.866 align:left position:10% line:83% size:80%
We'll get into that
as we walk along.
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So much to see.
03:52.000 --> 03:54.366 align:left position:10% line:83% size:80%
Let's head off
in this direction.
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♪
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Jim: On the Appalachian Trail
that runs through the park.
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In fact, it's 95 miles of it
of the 2,000 miles
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from Spring Mountain,
Georgia, to Mount Katahdin
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go through the park and right
here along the Skyline Drive.
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Rudy: Lots of trails here
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and it gives you good access
to this national park.
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And you remember
we were talking
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about diversity of
hardwoods a moment ago.
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This is a good
place to stop
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and just take a look
at some of that diversity.
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Here's one plant that kind of
speaks of the North to me--
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Mountain maple is
the common name for it.
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Maple-like leaves on it
pretty distinctly.
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But look at the way
the fruit is.
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Most maples, you know,
dangle down.
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Jim: This grows up.
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Rudy: The fruit actually is
up on a little bit of a spike.
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And, of course, the flowers
are up there, too.
04:48.166 --> 04:49.933 align:left position:10% line:83% size:80%
Early fruit forming
on it right now.
04:49.933 --> 04:51.500 align:left position:10% line:83% size:80%
Good diversity
of maples here.
04:51.500 --> 04:54.466 align:left position:10% line:83% size:80%
Right behind it,
striped maple
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or moosewood is another
name for that maple.
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Larger leaves on it.
04:59.033 --> 05:01.866 align:left position:10% line:83% size:80%
And the young... The bark
of the young trees are striped
05:01.866 --> 05:03.200 align:left position:10% line:89% size:80%
so the name striped maple.
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But there's the fruit now
05:05.166 --> 05:09.433 align:left position:10% line:83% size:80%
hanging down like you would
expect maple, you know, fruit
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to be hanging down.
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Jim: Hmm.
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Rudy: Diversity of
hardwoods here.
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I also see...
Look at the basswood up there.
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Big, big leaves, and then
those strange flowers
05:19.633 --> 05:22.633 align:left position:10% line:83% size:80%
that seem attached
to a modified leaf.
05:22.633 --> 05:23.966 align:left position:10% line:83% size:80%
That's a bract,
it's called.
05:23.966 --> 05:25.300 align:left position:12.5% line:83% size:77.5%
And those are
early flowers.
05:25.300 --> 05:27.433 align:left position:10% line:83% size:80%
I guess they really
haven't opened quite yet.
05:27.433 --> 05:29.700 align:left position:10% line:83% size:80%
Bee tree is another name
for that, Jim
05:29.700 --> 05:33.033 align:left position:10% line:83% size:80%
because when the flowers open,
they're very, very fragrant
05:33.033 --> 05:34.800 align:left position:10% line:83% size:80%
and lots of bees
come and go.
05:34.800 --> 05:37.833 align:left position:10% line:83% size:80%
Linden tree is another name
for it-- tilia.
05:37.833 --> 05:39.233 align:left position:40% line:83% size:50%
Jim: Great diversity
of hardwoods.
05:39.233 --> 05:41.133 align:left position:10% line:83% size:80%
Rudy: Any way you look,
really, up or down...
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I was just noticing
over here--
05:42.800 --> 05:45.966 align:left position:10% line:83% size:80%
look at the little cluster
of trees-- the witch hazel.
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And that's one
05:47.533 --> 05:50.133 align:left position:10% line:83% size:80%
that I think a lot of people
are very familiar with the name.
05:50.133 --> 05:52.600 align:left position:10% line:83% size:80%
Jim: You get the astringent from
it to use for household use.
05:52.600 --> 05:53.633 align:left position:10% line:89% size:80%
Rudy: That's right.
05:53.633 --> 05:55.300 align:left position:10% line:83% size:80%
This is an
interesting one, too.
05:55.300 --> 05:56.366 align:left position:10% line:89% size:80%
See the fruit on it?
05:56.366 --> 05:58.366 align:left position:10% line:83% size:80%
these things flower
in October.
05:58.366 --> 06:01.633 align:left position:10% line:83% size:80%
and this is really last
year's fruit, so to speak.
06:01.633 --> 06:04.033 align:left position:10% line:83% size:80%
And it'll eventually
dry out and open
06:04.033 --> 06:06.233 align:left position:10% line:83% size:80%
and throw seed
all over the place.
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And look on the leaves.
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It almost looks like
there's fruit on the leaf
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which that can't be.
06:12.000 --> 06:14.166 align:left position:10% line:83% size:80%
Looks like a little dunce cap
sticking up there.
06:14.166 --> 06:15.766 align:left position:40% line:83% size:50%
Jim: That's a growth
of some kind?
06:15.766 --> 06:16.900 align:left position:10% line:89% size:80%
Rudy: Those are galls
06:16.900 --> 06:18.966 align:left position:10% line:83% size:80%
caused by a little
aphid-like animal
06:18.966 --> 06:21.633 align:left position:10% line:83% size:80%
and specifically zeroing in
on witch hazel.
06:21.633 --> 06:23.266 align:left position:50% line:77% size:40%
Jim: Some color
down
below here.
06:23.266 --> 06:25.333 align:left position:10% line:83% size:80%
Rudy: Yeah, and again,
colorful flowers.
06:25.333 --> 06:28.866 align:left position:10% line:83% size:80%
We're going to see a lot of
them, I hope, as we walk today.
06:28.866 --> 06:31.300 align:left position:10% line:89% size:80%
That's the wild columbine.
06:31.300 --> 06:33.000 align:left position:10% line:89% size:80%
Isn't that pretty?
06:33.000 --> 06:34.700 align:left position:10% line:89% size:80%
Really nice hanging down
06:34.700 --> 06:38.266 align:left position:10% line:83% size:80%
the flowers hanging down,
in the buttercup family.
06:38.266 --> 06:41.200 align:left position:10% line:83% size:80%
And then look
at the mass of ferns
06:41.200 --> 06:46.133 align:left position:10% line:83% size:80%
looks like hay-scented ferns
there behind it-- really nice.
06:46.133 --> 06:48.333 align:left position:10% line:83% size:80%
Another plant here, too,
while we're looking.
06:48.333 --> 06:49.566 align:left position:10% line:89% size:80%
Look at the fruit on it.
06:49.566 --> 06:51.300 align:left position:10% line:83% size:80%
It's right
against the leaf there.
06:51.300 --> 06:53.266 align:left position:10% line:89% size:80%
Looks almost like hops.
06:53.266 --> 06:55.333 align:left position:10% line:89% size:80%
That's one of the hornbeams
06:55.333 --> 06:57.766 align:left position:10% line:83% size:80%
that gets the name
hop hornbeam--
06:57.766 --> 06:59.133 align:left position:10% line:89% size:80%
Ostrya Virginiana.
06:59.133 --> 07:00.433 align:left position:10% line:89% size:80%
We're in Virginia.
07:00.433 --> 07:03.400 align:left position:10% line:83% size:80%
So there were many plants
first described
07:03.400 --> 07:06.100 align:left position:10% line:83% size:80%
from this part
of the united states.
07:06.100 --> 07:07.200 align:left position:10% line:89% size:80%
Hop hornbeam.
07:07.200 --> 07:09.000 align:left position:32.5% line:83% size:57.5%
Jim: Different from the
American hornbeam?
07:09.000 --> 07:10.800 align:left position:10% line:83% size:80%
Rudy: Different from
the American hornbeam
07:10.800 --> 07:13.800 align:left position:10% line:83% size:80%
even a different genus,
but both called hornbeams.
07:13.800 --> 07:16.766 align:left position:10% line:83% size:80%
I notice something else
just as I turn.
07:16.766 --> 07:17.833 align:left position:67.5% line:83% size:22.5%
Jim:
Beautiful.
07:17.833 --> 07:19.500 align:left position:10% line:83% size:80%
Rudy: Talk about
beautiful flowers.
07:19.500 --> 07:23.000 align:left position:12.5% line:83% size:77.5%
There's one of the orchid--
large purple-fringed orchid.
07:23.000 --> 07:24.500 align:left position:10% line:89% size:80%
Isn't that gorgeous?
07:24.500 --> 07:27.333 align:left position:10% line:83% size:80%
And look at... Look at
the lower lip on that thing.
07:27.333 --> 07:29.566 align:left position:10% line:83% size:80%
It's divided, really,
into three parts
07:29.566 --> 07:31.933 align:left position:10% line:83% size:80%
and you can see
that beautiful fringing.
07:31.933 --> 07:33.966 align:left position:10% line:83% size:80%
Orchids are always
amazing plants
07:33.966 --> 07:36.700 align:left position:10% line:83% size:80%
really a pretty widespread
family of plants.
07:36.700 --> 07:38.766 align:left position:15% line:83% size:75%
Jim: This is the time of year,
Rudy, you'd see it?
07:38.766 --> 07:40.366 align:left position:10% line:83% size:80%
Rudy: That's the time of year
you see it
07:40.366 --> 07:43.400 align:left position:10% line:83% size:80%
and oftentimes along moist, sort
of sloping hillsides like this.
07:43.400 --> 07:44.700 align:left position:10% line:89% size:80%
And that's what we've got.
07:44.700 --> 07:46.400 align:left position:10% line:83% size:80%
Lot of rock
sticking out here.
07:46.400 --> 07:48.266 align:left position:10% line:83% size:80%
Look at the lichens
that have come
07:48.266 --> 07:50.066 align:left position:10% line:83% size:80%
and kind of taken
over the rock.
07:50.066 --> 07:54.200 align:left position:22.5% line:83% size:67.5%
Jim: Chunks of, um, granite
or volcanic-like rock.
07:54.200 --> 07:56.200 align:left position:10% line:83% size:80%
Rudy: Well, this
is volcanic material.
07:56.200 --> 07:59.100 align:left position:10% line:83% size:80%
You're absolutely...
Absolutely right.
07:59.100 --> 08:01.833 align:left position:10% line:83% size:80%
This stuff probably
was injected in
08:01.833 --> 08:03.500 align:left position:10% line:83% size:80%
oh, around 570 million
years ago
08:03.500 --> 08:05.400 align:left position:10% line:83% size:80%
with the dates put
on these things.
08:05.400 --> 08:07.800 align:left position:10% line:83% size:80%
There had been
a continental collision here.
08:07.800 --> 08:10.833 align:left position:10% line:83% size:80%
Those mountains that were
pushed up back then are gone.
08:10.833 --> 08:13.733 align:left position:10% line:83% size:80%
And as continents were
separating, there were big gaps
08:13.733 --> 08:16.100 align:left position:10% line:83% size:80%
and this basaltic
material came in.
08:16.100 --> 08:17.666 align:left position:10% line:83% size:80%
And you see it came in
as a liquid.
08:17.666 --> 08:19.133 align:left position:10% line:83% size:80%
And look up
on the hill here.
08:19.133 --> 08:22.366 align:left position:10% line:83% size:80%
Actually, this stuff was
squirted in not at the surface
08:22.366 --> 08:23.766 align:left position:10% line:89% size:80%
but a little bit below.
08:23.766 --> 08:25.033 align:left position:10% line:89% size:80%
It cooled slowly
08:25.033 --> 08:27.500 align:left position:10% line:83% size:80%
and as it did...
As the rock was shrinking
08:27.500 --> 08:29.766 align:left position:10% line:83% size:80%
it formed columnar joints
in the rock.
08:29.766 --> 08:30.866 align:left position:10% line:89% size:80%
Look at that thing!
08:30.866 --> 08:32.400 align:left position:27.5% line:83% size:62.5%
Jim: Column looks like it
was carved out.
08:32.400 --> 08:34.500 align:left position:10% line:83% size:80%
Rudy: Looks like man has come
here and carved it out.
08:34.500 --> 08:36.366 align:left position:10% line:83% size:80%
And, of course,
the Indians that were here
08:36.366 --> 08:37.933 align:left position:12.5% line:83% size:77.5%
had nothing to do
with that carving.
08:37.933 --> 08:40.133 align:left position:10% line:83% size:80%
That was done a long time
before they were here--
08:40.133 --> 08:42.266 align:left position:10% line:83% size:80%
again, about 570 million
years ago.
08:42.266 --> 08:45.366 align:left position:12.5% line:83% size:77.5%
The Catoctin Formation is
what the name is for this.
08:45.366 --> 08:48.533 align:left position:10% line:83% size:80%
And that's a modified basalt,
because it was squeezed.
08:48.533 --> 08:51.100 align:left position:10% line:83% size:80%
Again, metabasalt is
the common name for it.
08:51.100 --> 08:54.066 align:left position:10% line:83% size:80%
That's the same kind
of stuff that oozes out
08:54.066 --> 08:56.133 align:left position:10% line:83% size:80%
on the Mid-Atlantic
Ridge now.
08:56.133 --> 08:57.600 align:left position:25% line:89% size:65%
Jim: Something to look for
08:57.600 --> 08:59.733 align:left position:20% line:83% size:70%
when hiking this portion
of the Appalachian Trail.
08:59.733 --> 09:01.800 align:left position:10% line:83% size:80%
Rudy: Yeah, and it kind of
has a greenish look to it
09:01.800 --> 09:03.133 align:left position:10% line:83% size:80%
when you get
the lichens away.
09:03.133 --> 09:04.933 align:left position:10% line:83% size:80%
I noticed one of those
lichens down here.
09:04.933 --> 09:06.166 align:left position:10% line:83% size:80%
You see
it's really crusty
09:06.166 --> 09:07.666 align:left position:10% line:83% size:80%
almost peeling away
from the rock.
09:07.666 --> 09:11.000 align:left position:10% line:83% size:80%
Rock tripe is the
common name for that.
09:11.000 --> 09:14.366 align:left position:10% line:83% size:80%
And, you know, that's
an edible lichen.
09:14.366 --> 09:17.133 align:left position:10% line:83% size:80%
It looks like it wouldn't be
all that delectable right now
09:17.133 --> 09:19.266 align:left position:10% line:83% size:80%
but that is
an edible lichen
09:19.266 --> 09:21.733 align:left position:10% line:83% size:80%
doing very well
on the rock here.
09:21.733 --> 09:22.733 align:left position:10% line:89% size:80%
Let's head on.
09:22.733 --> 09:24.566 align:left position:10% line:83% size:80%
There's plenty more
to see.
09:24.566 --> 09:26.733 align:left position:10% line:89% size:80%
♪
09:26.733 --> 09:29.666 align:left position:10% line:83% size:80%
This is some more
of that igneous rock
09:29.666 --> 09:32.966 align:left position:10% line:83% size:80%
that was squirted in
a long time ago, Jim.
09:32.966 --> 09:35.700 align:left position:10% line:83% size:80%
Been changed a little bit
through time
09:35.700 --> 09:38.166 align:left position:10% line:83% size:80%
but basically still
the same thing
09:38.166 --> 09:40.700 align:left position:10% line:83% size:80%
pushed up
when continents collided.
09:40.700 --> 09:43.766 align:left position:10% line:83% size:80%
Push came from
the east there.
09:43.766 --> 09:44.866 align:left position:10% line:89% size:80%
Nice view of...
09:44.866 --> 09:47.300 align:left position:10% line:83% size:80%
Look at the talus slope,
it's called.
09:47.300 --> 09:50.133 align:left position:10% line:83% size:80%
see the big pieces of rock
weathered away?
09:50.133 --> 09:52.300 align:left position:37.5% line:83% size:52.5%
Jim: Chunks of...
Chunks of the greenstone?
09:52.300 --> 09:53.633 align:left position:10% line:89% size:80%
Rudy: Yeah, most of it is.
09:53.633 --> 09:56.066 align:left position:10% line:83% size:80%
Yeah, broken off, again,
by weathering
09:56.066 --> 09:57.866 align:left position:10% line:83% size:80%
and dropped
to the ground.
09:57.866 --> 10:01.433 align:left position:10% line:83% size:80%
Lots of animals and plants
do very well on a talus slope.
10:01.433 --> 10:07.133 align:left position:10% line:83% size:80%
Trees that really dominate
this forest are the... the oaks.
10:07.133 --> 10:09.900 align:left position:10% line:83% size:80%
We've got really two varieties
that are pretty obvious there.
10:09.900 --> 10:13.233 align:left position:10% line:83% size:80%
Northern red oak is really
one of the most common trees
10:13.233 --> 10:14.766 align:left position:10% line:89% size:80%
in the park.
10:14.766 --> 10:18.933 align:left position:10% line:83% size:80%
Down there, doing fairly well,
and I guess a little extra moist
10:18.933 --> 10:21.466 align:left position:10% line:83% size:80%
up along the edge
of the outcrop here.
10:21.466 --> 10:26.100 align:left position:10% line:83% size:80%
And then chestnut oak
here below us.
10:26.100 --> 10:28.233 align:left position:10% line:83% size:80%
Really one
of the white oak group.
10:28.233 --> 10:31.500 align:left position:10% line:83% size:80%
That old red oak over there
is one of the red oaks.
10:31.500 --> 10:33.500 align:left position:10% line:83% size:80%
Sharp, pointed edges
on the leaf.
10:33.500 --> 10:36.166 align:left position:10% line:83% size:80%
Edges on the chestnut oak
kind of rounded.
10:36.166 --> 10:38.266 align:left position:10% line:83% size:80%
Both of them doing
very well here.
10:38.266 --> 10:40.900 align:left position:10% line:83% size:80%
And then right over here,
mountain ash.
10:40.900 --> 10:42.800 align:left position:10% line:83% size:80%
Look at that
compound leaf.
10:42.800 --> 10:45.033 align:left position:10% line:83% size:80%
Sort of a reddish stem
on the leaf there.
10:45.033 --> 10:48.100 align:left position:10% line:83% size:80%
And it looks like it's getting
early fruit on it there.
10:48.100 --> 10:49.300 align:left position:10% line:83% size:80%
Looks almost
like an ash
10:49.300 --> 10:50.966 align:left position:10% line:83% size:80%
so mountain ash is
the common name
10:50.966 --> 10:54.133 align:left position:10% line:83% size:80%
even though it really
isn't a true ash.
10:54.133 --> 10:59.133 align:left position:10% line:83% size:80%
Northern species again, coming
on down the appalachians.
10:59.133 --> 11:00.600 align:left position:37.5% line:83% size:52.5%
Jim: Covered up again
with trees.
11:00.600 --> 11:02.533 align:left position:37.5% line:83% size:52.5%
At one point all this
was cut over.
11:02.533 --> 11:04.500 align:left position:10% line:83% size:80%
Rudy: Yeah, there's been
a lot of cutting here.
11:04.500 --> 11:06.666 align:left position:10% line:83% size:80%
Man has had a major impact
on the forest here.
11:06.666 --> 11:07.933 align:left position:10% line:89% size:80%
Now, we were talking
11:07.933 --> 11:10.066 align:left position:10% line:83% size:80%
about chestnut oak
being one of the white oaks.
11:10.066 --> 11:13.266 align:left position:10% line:83% size:80%
There is actually the oak
known as white oak.
11:13.266 --> 11:16.933 align:left position:10% line:83% size:80%
Again, smoothly rounded
lobes on the leaves
11:16.933 --> 11:21.233 align:left position:10% line:83% size:80%
ing best back in more
of a forest-like situation.
11:21.233 --> 11:22.966 align:left position:10% line:89% size:80%
And then the flowers.
11:22.966 --> 11:24.166 align:left position:10% line:89% size:80%
Look at those.
11:24.166 --> 11:26.666 align:left position:10% line:89% size:80%
Big petals on that rose.
11:26.666 --> 11:33.033 align:left position:10% line:77% size:80%
And I believe that one is
the one usually called
Carolina rose.
11:33.033 --> 11:34.333 align:left position:10% line:89% size:80%
And one other one--
11:34.333 --> 11:37.100 align:left position:10% line:83% size:80%
again, pretty scrubby-looking
little old thing.
11:37.100 --> 11:38.500 align:left position:10% line:89% size:80%
It's got flowers on it.
11:38.500 --> 11:39.933 align:left position:10% line:89% size:80%
Lots of insects coming.
11:39.933 --> 11:41.400 align:left position:10% line:89% size:80%
One of the sumacs.
11:41.400 --> 11:44.100 align:left position:10% line:83% size:80%
Staghorn sumac is
the common name.
11:44.100 --> 11:46.833 align:left position:10% line:83% size:80%
If you look really
carefully at the stem--
11:46.833 --> 11:48.433 align:left position:10% line:89% size:80%
look at that fuzz on it
11:48.433 --> 11:51.200 align:left position:10% line:83% size:80%
that reminded someone,
I guess, of the deer
11:51.200 --> 11:55.333 align:left position:10% line:83% size:80%
or the stag that was in velvet
with the skin on the antlers.
11:55.333 --> 11:56.500 align:left position:10% line:89% size:80%
Fuzzy look
11:56.500 --> 11:58.333 align:left position:10% line:89% size:80%
doing quite well.
11:58.333 --> 12:00.666 align:left position:37.5% line:83% size:52.5%
Jim: 300 square miles
of mountainous forest
12:00.666 --> 12:02.166 align:left position:50% line:89% size:40%
within the park.
12:02.166 --> 12:03.333 align:left position:45% line:89% size:45%
Hardwoods, mostly.
12:03.333 --> 12:05.300 align:left position:30% line:83% size:60%
In fact, here's another
one over here, Rudy.
12:05.300 --> 12:08.033 align:left position:10% line:83% size:80%
Rudy: Yeah, but you know really
what general group that's in.
12:08.033 --> 12:09.033 align:left position:10% line:89% size:80%
Look at the leaves.
12:09.033 --> 12:10.033 align:left position:62.5% line:89% size:27.5%
Jim: Aspen?
12:10.033 --> 12:12.200 align:left position:10% line:83% size:80%
Rudy: Aspen--
one of the poplars.
12:12.200 --> 12:13.833 align:left position:10% line:89% size:80%
Large-toothed aspen
12:13.833 --> 12:15.866 align:left position:10% line:83% size:80%
or big-toothed aspen
is the common name.
12:15.866 --> 12:17.366 align:left position:10% line:83% size:80%
See those teeth
on the edges.
12:17.366 --> 12:19.700 align:left position:10% line:83% size:80%
Pretty big and then
widely spaced.
12:19.700 --> 12:23.833 align:left position:10% line:83% size:80%
Moving like you would expect
an aspen to move.
12:23.833 --> 12:25.966 align:left position:10% line:83% size:80%
Saw something else moving
right in front of me.
12:25.966 --> 12:27.033 align:left position:40% line:89% size:50%
Jim: A little snake!
12:27.033 --> 12:28.566 align:left position:10% line:83% size:80%
Rudy: A little Northern
ring-necked snake.
12:28.566 --> 12:29.933 align:left position:37.5% line:89% size:52.5%
Jim: Can you get him?
12:29.933 --> 12:30.933 align:left position:10% line:89% size:80%
Rudy: I think I can.
12:30.933 --> 12:32.266 align:left position:10% line:83% size:80%
Not moving too fast
down here.
12:32.266 --> 12:33.300 align:left position:10% line:89% size:80%
Oh, yeah.
12:33.300 --> 12:34.833 align:left position:12.5% line:83% size:77.5%
Quieting down
fairly nicely.
12:34.833 --> 12:38.800 align:left position:10% line:83% size:80%
One of the most common snakes
in Shenandoah National Park.
12:38.800 --> 12:40.133 align:left position:30% line:89% size:60%
Jim: You said Northern--
12:40.133 --> 12:42.200 align:left position:22.5% line:83% size:67.5%
does that differentiate him
from the Southern?
12:42.200 --> 12:44.166 align:left position:10% line:83% size:80%
Rudy: Yeah, there is a
Southern ring-necked snake.
12:44.166 --> 12:45.533 align:left position:10% line:89% size:80%
Both of them have rings.
12:45.533 --> 12:47.966 align:left position:10% line:83% size:80%
The Northern one has a ring,
though, that is complete
12:47.966 --> 12:49.366 align:left position:10% line:89% size:80%
across the back of the neck--
12:49.366 --> 12:51.166 align:left position:10% line:83% size:80%
usually in the Southern
it is broken--
12:51.166 --> 12:53.733 align:left position:10% line:83% size:80%
and real shiny sort
of gray scales.
12:53.733 --> 12:56.900 align:left position:10% line:83% size:80%
And then the belly is
almost, on this thing
12:56.900 --> 12:58.800 align:left position:10% line:89% size:80%
kind of an orange color.
12:58.800 --> 13:00.000 align:left position:10% line:89% size:80%
See?
13:00.000 --> 13:02.800 align:left position:10% line:83% size:80%
With no spots down
the center of the belly.
13:02.800 --> 13:04.866 align:left position:10% line:83% size:80%
The Southern variety
would have
13:04.866 --> 13:08.100 align:left position:10% line:83% size:80%
little dark half-moons
on the bottom of the belly.
13:08.100 --> 13:09.466 align:left position:10% line:89% size:80%
Nonpoisonous snake.
13:09.466 --> 13:11.800 align:left position:10% line:83% size:80%
It feeds on salamanders
and earthworms
13:11.800 --> 13:15.933 align:left position:10% line:83% size:80%
and soft-bodied insects and such
that it finds under rocks.
13:15.933 --> 13:17.233 align:left position:10% line:89% size:80%
Very common snake here.
13:17.233 --> 13:19.766 align:left position:10% line:83% size:80%
Quietens down pretty well
when you get it in hand.
13:19.766 --> 13:21.266 align:left position:47.5% line:83% size:42.5%
Jim: Very fragile
little animal.
13:21.266 --> 13:22.500 align:left position:10% line:89% size:80%
Rudy: Yeah, it is.
13:22.500 --> 13:24.533 align:left position:10% line:83% size:80%
I'll put him back down
here in the shade
13:24.533 --> 13:26.733 align:left position:10% line:83% size:80%
and hopefully...
Hopefully he'll be fine.
13:26.733 --> 13:28.700 align:left position:10% line:83% size:80%
Yeah, he's crawling off
up in there.
13:28.700 --> 13:30.166 align:left position:10% line:89% size:80%
Often seen here.
13:30.166 --> 13:34.033 align:left position:10% line:83% size:80%
Small compared to the broad
views that you get here.
13:34.033 --> 13:37.900 align:left position:10% line:83% size:80%
Shenandoah valley,
off in the distance there.
13:37.900 --> 13:39.466 align:left position:10% line:89% size:80%
Mainly limestone rocks
13:39.466 --> 13:43.000 align:left position:10% line:83% size:80%
easily eroded away compared to
the hard stuff in the mountains.
13:43.000 --> 13:45.000 align:left position:10% line:83% size:80%
The Shenandoah river
has worked it.
13:45.000 --> 13:46.533 align:left position:37.5% line:83% size:52.5%
Jim: And historically
speaking
13:46.533 --> 13:48.766 align:left position:42.5% line:83% size:47.5%
Stonewall Jackson's
men and troops came
13:48.766 --> 13:50.633 align:left position:52.5% line:83% size:37.5%
up through this
valley in 1862.
13:50.633 --> 13:52.100 align:left position:10% line:83% size:80%
Rudy: And wooded hillsides
coming down.
13:52.100 --> 13:53.400 align:left position:10% line:83% size:80%
But, now,
look across here.
13:53.400 --> 13:54.833 align:left position:10% line:89% size:80%
Something has happened...
13:54.833 --> 13:56.366 align:left position:37.5% line:83% size:52.5%
Jim: Something killed
the trees.
13:56.366 --> 13:58.000 align:left position:10% line:83% size:80%
Rudy: ...to those
deciduous trees.
13:58.000 --> 14:00.633 align:left position:10% line:83% size:80%
Well, they're not exactly dead,
at least hopefully not
14:00.633 --> 14:02.200 align:left position:10% line:83% size:80%
but something
has defoliated.
14:02.200 --> 14:04.100 align:left position:10% line:83% size:80%
There's an alien species
that is here
14:04.100 --> 14:07.100 align:left position:10% line:83% size:80%
that's really changing
the world, the gypsy moth
14:07.100 --> 14:09.600 align:left position:10% line:83% size:80%
and it's interesting
to view it from here.
14:09.600 --> 14:12.300 align:left position:10% line:83% size:80%
You see the amount of damage
that it's done.
14:12.300 --> 14:15.433 align:left position:10% line:83% size:80%
Why don't we head from here
down into that forest
14:15.433 --> 14:17.433 align:left position:10% line:89% size:80%
and take a close look?
14:17.433 --> 14:24.400 align:left position:10% line:89% size:80%
♪
14:24.400 --> 14:27.266 align:left position:25% line:83% size:65%
Jim: Looking into the tops
of the hardwoods
14:27.266 --> 14:29.733 align:left position:37.5% line:83% size:52.5%
it gives a wintertime
appearance.
14:29.733 --> 14:33.166 align:left position:10% line:83% size:80%
Rudy: Yes, and yet this is
spring, early summer, see.
14:33.166 --> 14:36.633 align:left position:10% line:83% size:80%
And you can see the damage done
by the gypsy moths--
14:36.633 --> 14:39.133 align:left position:10% line:83% size:80%
specifically
the caterpillars here--
14:39.133 --> 14:41.866 align:left position:10% line:83% size:80%
taking leaves off
of the hardwood trees
14:41.866 --> 14:43.933 align:left position:10% line:83% size:80%
changing them
into caterpillar
14:43.933 --> 14:46.300 align:left position:10% line:83% size:80%
and really rearranging
the forest.
14:46.300 --> 14:48.133 align:left position:10% line:83% size:80%
We'll talk about that
a little more
14:48.133 --> 14:50.133 align:left position:10% line:83% size:80%
but look
at the flowers here.
14:50.133 --> 14:51.833 align:left position:47.5% line:83% size:42.5%
Jim: Covered with
the laurel.
14:51.833 --> 14:53.500 align:left position:10% line:83% size:80%
Rudy: Isn't it
gorgeous? Yeah.
14:53.500 --> 14:57.200 align:left position:10% line:83% size:80%
Mountain laurel is really
at its peak right now here.
14:57.200 --> 14:59.666 align:left position:10% line:83% size:80%
And you see
it grows best, it seems
14:59.666 --> 15:02.133 align:left position:10% line:83% size:80%
under the shade
of trees overhead.
15:02.133 --> 15:04.133 align:left position:10% line:83% size:80%
And now that they
have been defoliated
15:04.133 --> 15:05.633 align:left position:10% line:83% size:80%
that lets
extra sunlight in.
15:05.633 --> 15:07.266 align:left position:10% line:83% size:80%
And it'll be
interesting to see
15:07.266 --> 15:09.433 align:left position:12.5% line:83% size:77.5%
how mountain laurel
is affected by that.
15:09.433 --> 15:10.833 align:left position:10% line:83% size:80%
But beautiful
flowers on it
15:10.833 --> 15:12.400 align:left position:10% line:83% size:80%
and, of course,
leaves there...
15:12.400 --> 15:13.866 align:left position:10% line:83% size:80%
Evergreen--
it loves acidic soils.
15:13.866 --> 15:15.133 align:left position:10% line:83% size:80%
This is just
the right place.
15:15.133 --> 15:17.100 align:left position:10% line:83% size:80%
Remember the striped maple
we saw earlier--
15:17.100 --> 15:19.100 align:left position:10% line:89% size:80%
here it is again.
15:19.100 --> 15:21.833 align:left position:10% line:83% size:80%
And look at the gypsy
moth caterpillars.
15:21.833 --> 15:23.066 align:left position:32.5% line:89% size:57.5%
Jim: Large moths all...
15:23.066 --> 15:24.666 align:left position:10% line:89% size:80%
Rudy: All over the place.
15:24.666 --> 15:26.900 align:left position:10% line:89% size:80%
Strange, those things
15:26.900 --> 15:30.400 align:left position:10% line:83% size:80%
were introduced into the
United States 1868 or 1869
15:30.400 --> 15:33.033 align:left position:12.5% line:83% size:77.5%
by a naturalist
in Massachusetts
15:33.033 --> 15:35.133 align:left position:10% line:83% size:80%
and a few
of them escaped.
15:35.133 --> 15:37.066 align:left position:10% line:83% size:80%
And 20 years later
around Boston
15:37.066 --> 15:38.733 align:left position:10% line:83% size:80%
they were
defoliating trees
15:38.733 --> 15:41.133 align:left position:10% line:83% size:80%
and people got
very worried about them.
15:41.133 --> 15:43.266 align:left position:10% line:83% size:80%
Tried to stop
their range expansion
15:43.266 --> 15:45.233 align:left position:10% line:89% size:80%
and it has continued
15:45.233 --> 15:48.866 align:left position:10% line:83% size:80%
even though some pretty powerful
pesticides have been used.
15:48.866 --> 15:51.900 align:left position:35% line:83% size:55%
Jim: Why can't they do
something in the park
15:51.900 --> 15:53.766 align:left position:50% line:83% size:40%
to stop
the devastation?
15:53.766 --> 15:55.400 align:left position:10% line:83% size:80%
Rudy: Well, they're trying
to control them
15:55.400 --> 15:56.966 align:left position:10% line:83% size:80%
a little bit
along certain areas
15:56.966 --> 15:58.233 align:left position:10% line:89% size:80%
but they often believe
15:58.233 --> 16:00.366 align:left position:10% line:83% size:80%
that it's best to let
nature take its course.
16:00.366 --> 16:02.366 align:left position:10% line:83% size:80%
There are some diseases
that have come in
16:02.366 --> 16:04.133 align:left position:10% line:83% size:80%
and knocked down
the population some.
16:04.133 --> 16:05.933 align:left position:10% line:83% size:80%
Problem here,
of course, is
16:05.933 --> 16:09.166 align:left position:10% line:83% size:80%
that they eat hardwood
leaves indiscriminately.
16:09.166 --> 16:12.700 align:left position:10% line:83% size:80%
I mean, they start off
depending on oaks at first--
16:12.700 --> 16:15.466 align:left position:10% line:83% size:80%
that seems to be the first
larval food plant--
16:15.466 --> 16:18.233 align:left position:10% line:83% size:80%
but then they can go
to maples and witch hazel
16:18.233 --> 16:19.866 align:left position:10% line:83% size:80%
and many, many
other things
16:19.866 --> 16:21.866 align:left position:10% line:89% size:80%
stripping them down.
16:21.866 --> 16:24.666 align:left position:10% line:83% size:80%
Range, as we've said,
is expanding a little bit.
16:24.666 --> 16:26.133 align:left position:10% line:89% size:80%
I even see...
16:26.133 --> 16:27.766 align:left position:10% line:83% size:80%
Look over
on the tree there--
16:27.766 --> 16:29.266 align:left position:10% line:83% size:80%
you can see
the egg masses
16:29.266 --> 16:30.566 align:left position:10% line:83% size:80%
that were laid
last year
16:30.566 --> 16:32.166 align:left position:10% line:83% size:80%
that have now
hatched out.
16:32.166 --> 16:35.566 align:left position:10% line:83% size:80%
Caterpillars came out of those
little, teeny-weeny holes--
16:35.566 --> 16:38.766 align:left position:10% line:83% size:80%
look like about the size of
pinholes in the egg masses.
16:38.766 --> 16:40.300 align:left position:10% line:83% size:80%
A female lays
them there
16:40.300 --> 16:43.666 align:left position:10% line:77% size:80%
and covers them with
a little bit of hair
from her abdomen.
16:43.666 --> 16:46.366 align:left position:10% line:83% size:80%
And then they hatch n1t,
usually the next year
16:46.366 --> 16:48.366 align:left position:10% line:83% size:80%
and, of course,
begin to feed.
16:48.366 --> 16:51.900 align:left position:12.5% line:83% size:77.5%
Jim: And there are billions and
billions of them in the park.
16:51.900 --> 16:55.033 align:left position:10% line:83% size:80%
Rudy: Yeah, I even see some last
year's pupal cases there.
16:55.033 --> 16:57.200 align:left position:10% line:83% size:80%
See, on the side
of the tree stuck.
16:57.200 --> 16:59.333 align:left position:10% line:83% size:80%
Again, they love
rough-barked trees
16:59.333 --> 17:02.500 align:left position:10% line:83% size:80%
and the oaks, of course,
are one of the trees here
17:02.500 --> 17:04.100 align:left position:10% line:83% size:80%
that have
very rough bark.
17:04.100 --> 17:06.000 align:left position:10% line:83% size:80%
So they use them
to lay eggs on
17:06.000 --> 17:07.400 align:left position:10% line:89% size:80%
and also to pupate on.
17:07.400 --> 17:08.533 align:left position:25% line:89% size:65%
Jim: Here it is late June;
17:08.533 --> 17:10.566 align:left position:47.5% line:83% size:42.5%
the caterpillar
in a few months--
17:10.566 --> 17:12.500 align:left position:42.5% line:83% size:47.5%
a few weeks, even--
will be a moth?
17:12.500 --> 17:14.733 align:left position:10% line:83% size:80%
Rudy: Yeah, July is when
they begin to pupate.
17:14.733 --> 17:17.366 align:left position:10% line:83% size:80%
And the moth hatches out
pretty soon after that
17:17.366 --> 17:18.566 align:left position:10% line:89% size:80%
and then flies around
17:18.566 --> 17:20.566 align:left position:10% line:83% size:80%
and lays eggs
all over the place.
17:20.566 --> 17:21.800 align:left position:35% line:89% size:55%
Jim: There are so many
17:21.800 --> 17:23.300 align:left position:50% line:83% size:40%
the droppings
sound like rain.
17:23.300 --> 17:24.800 align:left position:10% line:83% size:80%
Rudy: Yeah, just listen
for a moment.
17:24.800 --> 17:27.000 align:left position:10% line:83% size:80%
Sounds like the pitter-patter
of raindrops.
17:27.000 --> 17:31.766 align:left position:12.5% line:89% size:77.5%
(droppings pitter-pattering)
17:31.766 --> 17:35.333 align:left position:10% line:83% size:80%
Again, we talk about recycling
every now and then.
17:35.333 --> 17:37.300 align:left position:10% line:83% size:80%
They're taking
these leaves from trees
17:37.300 --> 17:39.166 align:left position:12.5% line:83% size:77.5%
and changing them
into a caterpillar
17:39.166 --> 17:41.233 align:left position:10% line:83% size:80%
that really is supposed
to be in Europe,
17:41.233 --> 17:44.033 align:left position:10% line:83% size:80%
but an alien species
that kind of got away from us.
17:44.033 --> 17:45.433 align:left position:10% line:89% size:80%
Here's one on the ground.
17:45.433 --> 17:46.966 align:left position:10% line:83% size:80%
Here let me
just pick it up.
17:48.333 --> 17:51.500 align:left position:10% line:83% size:80%
Get a close look
at this gypsy moth caterpillar.
17:51.500 --> 17:53.566 align:left position:42.5% line:83% size:47.5%
Jim: Very fuzzy,
lots of fine hairs.
17:53.566 --> 17:57.266 align:left position:10% line:83% size:80%
Rudy: Yeah, this is a pretty
distinctive little caterpillar.
17:57.266 --> 18:00.633 align:left position:10% line:83% size:80%
You can see when they get
to be older individuals
18:00.633 --> 18:03.066 align:left position:10% line:83% size:80%
they've got that
reddish color on the back;
18:03.066 --> 18:06.066 align:left position:10% line:83% size:80%
those dots with a little bit
of blue toward the front.
18:06.066 --> 18:08.866 align:left position:10% line:83% size:80%
And, again, if anyone sees
a caterpillar like this
18:08.866 --> 18:10.466 align:left position:10% line:89% size:80%
anywhere in the United States
18:10.466 --> 18:12.466 align:left position:10% line:89% size:80%
they need to report it
18:12.466 --> 18:14.666 align:left position:10% line:83% size:80%
because we're trying
to keep track
18:14.666 --> 18:17.633 align:left position:10% line:83% size:80%
on the range expansion
of this alien species.
18:17.633 --> 18:20.566 align:left position:10% line:83% size:80%
They've been found
as far south as Florida
18:20.566 --> 18:22.666 align:left position:10% line:83% size:80%
as far west
as Missouri already.
18:22.666 --> 18:26.300 align:left position:10% line:89% size:80%
So the range is expanding.
18:26.300 --> 18:27.666 align:left position:37.5% line:89% size:52.5%
Jim: Innocent-looking
18:27.666 --> 18:29.533 align:left position:32.5% line:83% size:57.5%
but it's done thousands
of acres of damage.
18:29.533 --> 18:31.800 align:left position:10% line:83% size:80%
Rudy: Billions and billions
of individuals
18:31.800 --> 18:34.333 align:left position:10% line:83% size:80%
can really change
a forest very rapidly.
18:34.333 --> 18:36.600 align:left position:10% line:83% size:80%
And it's important
to make sure
18:36.600 --> 18:39.433 align:left position:10% line:83% size:80%
we don't carry these
away on our cars--
18:39.433 --> 18:42.600 align:left position:10% line:83% size:80%
either the caterpillars
or the egg masses.
18:42.600 --> 18:44.766 align:left position:10% line:83% size:80%
Look down in the trail
ahead of us there.
18:44.766 --> 18:47.800 align:left position:10% line:83% size:80%
Now, here are a couple of native
species of lepidopterans--
18:47.800 --> 18:49.800 align:left position:10% line:83% size:80%
not moths,
but butterflies.
18:49.800 --> 18:50.966 align:left position:10% line:89% size:80%
The biggest one there
18:50.966 --> 18:53.166 align:left position:10% line:83% size:80%
red-spotted purple
is the common name.
18:53.166 --> 18:55.166 align:left position:10% line:83% size:80%
And, look, it makes
sense, I mean...
18:55.166 --> 18:56.300 align:left position:27.5% line:89% size:62.5%
Jim: Colors give it away.
18:56.300 --> 18:58.433 align:left position:10% line:83% size:80%
Rudy: They're the red...
Reddish orange spots
18:58.433 --> 19:00.333 align:left position:10% line:83% size:80%
on the underside
of the hind wing.
19:00.333 --> 19:02.633 align:left position:10% line:83% size:80%
And then when it spreads
those wings out
19:02.633 --> 19:04.066 align:left position:10% line:83% size:80%
to warm up
in the sunlight
19:04.066 --> 19:05.766 align:left position:10% line:83% size:80%
you see the purple
on the back.
19:05.766 --> 19:08.400 align:left position:10% line:83% size:80%
Using its tongue, now,
unrolling that proboscis--
19:08.400 --> 19:09.966 align:left position:10% line:83% size:80%
looks kind of like
a tongue--
19:09.966 --> 19:11.833 align:left position:10% line:83% size:80%
getting moisture
out of the ground
19:11.833 --> 19:13.233 align:left position:10% line:83% size:80%
here along
the wet trail.
19:13.233 --> 19:15.100 align:left position:30% line:83% size:60%
Jim: The other butter is
very colorful, too.
19:15.100 --> 19:16.600 align:left position:10% line:89% size:80%
Rudy: Yes, looks fresh, too.
19:16.600 --> 19:17.933 align:left position:45% line:89% size:45%
Jim: Painted lady?
19:17.933 --> 19:19.200 align:left position:10% line:83% size:80%
Rudy: One of
the painted ladies
19:19.200 --> 19:20.933 align:left position:10% line:83% size:80%
probably
the American painted lady.
19:20.933 --> 19:23.100 align:left position:10% line:83% size:80%
And, again, here,
warming up in the sunlight
19:23.100 --> 19:24.333 align:left position:10% line:89% size:80%
unrolling that proboscis
19:24.333 --> 19:25.833 align:left position:10% line:83% size:80%
getting a little
bit of fluid.
19:25.833 --> 19:27.166 align:left position:10% line:83% size:80%
Those are
fluid feeders.
19:27.166 --> 19:29.433 align:left position:10% line:83% size:80%
But, now, the caterpillars
of those butterflies
19:29.433 --> 19:31.066 align:left position:10% line:89% size:80%
feed on leaves, right?
19:31.066 --> 19:32.600 align:left position:62.5% line:89% size:27.5%
Jim: Right.
19:32.600 --> 19:34.566 align:left position:10% line:83% size:80%
Rudy: What happens if you're
a butterfly here
19:34.566 --> 19:36.000 align:left position:10% line:83% size:80%
and these gypsy moth
caterpillars
19:36.000 --> 19:37.366 align:left position:10% line:83% size:80%
have taken away
all the leaves?
19:37.366 --> 19:38.433 align:left position:57.5% line:89% size:32.5%
Jim: You die.
19:38.433 --> 19:39.600 align:left position:10% line:89% size:80%
Rudy: That's right.
19:39.600 --> 19:41.700 align:left position:10% line:83% size:80%
You lay... Where
do you lay your eggs?
19:41.700 --> 19:43.466 align:left position:12.5% line:83% size:77.5%
They are really
having an effect
19:43.466 --> 19:44.966 align:left position:10% line:83% size:80%
not only
on the plants here
19:44.966 --> 19:46.700 align:left position:10% line:83% size:80%
but also on
the animal species.
19:46.700 --> 19:48.233 align:left position:10% line:83% size:80%
There's an old forest
down the way.
19:48.233 --> 19:49.433 align:left position:10% line:83% size:80%
Let's go take
a look at it.
19:49.433 --> 19:53.166 align:left position:10% line:89% size:80%
♪
19:53.166 --> 19:54.900 align:left position:35% line:83% size:55%
Jim: Beautiful, shady,
green forest
19:54.900 --> 19:56.800 align:left position:42.5% line:89% size:47.5%
with giant hemlocks
19:56.800 --> 19:59.400 align:left position:27.5% line:83% size:62.5%
thanks pretty much
to George Freeman Pollock
19:59.400 --> 20:01.733 align:left position:37.5% line:83% size:52.5%
who had the vision
to save much of this.
20:01.733 --> 20:03.900 align:left position:10% line:83% size:80%
Rudy: Yeah, this is some
of that old forest
20:03.900 --> 20:06.133 align:left position:10% line:83% size:80%
most of which
has been long since cut.
20:06.133 --> 20:08.866 align:left position:10% line:83% size:80%
And you see the world
is quite different here.
20:08.866 --> 20:11.033 align:left position:10% line:83% size:80%
I mean, it's cooler,
it's more moist
20:11.033 --> 20:14.000 align:left position:10% line:83% size:80%
and Eastern hemlock is
the dominating tree here.
20:14.000 --> 20:15.866 align:left position:10% line:83% size:80%
These that are
low enough to us
20:15.866 --> 20:17.366 align:left position:10% line:83% size:80%
you can actually,
you know
20:17.366 --> 20:19.533 align:left position:10% line:83% size:80%
see the needles
on it very clearly--
20:19.533 --> 20:21.666 align:left position:10% line:83% size:80%
some of the new,
green growth on it.
20:21.666 --> 20:22.833 align:left position:10% line:89% size:80%
Tremendous in size.
20:22.833 --> 20:24.066 align:left position:10% line:89% size:80%
One of the conifers.
20:24.066 --> 20:25.933 align:left position:10% line:83% size:80%
And there's
another one over here.
20:25.933 --> 20:28.366 align:left position:10% line:83% size:80%
Look at the... Look
at the white pine there.
20:28.366 --> 20:29.900 align:left position:10% line:89% size:80%
and I'm amazed
20:29.900 --> 20:31.666 align:left position:10% line:83% size:80%
not only the gypsy moth
caterpillars
20:31.666 --> 20:33.133 align:left position:10% line:89% size:80%
eat deciduous leaves;
20:33.133 --> 20:34.333 align:left position:10% line:83% size:80%
they're eating
the leaves
20:34.333 --> 20:35.900 align:left position:10% line:83% size:80%
on that conifer,
the white pine.
20:35.900 --> 20:39.300 align:left position:10% line:83% size:80%
And I'll bet you
they'd probably take hemlock
20:39.300 --> 20:42.333 align:left position:10% line:83% size:80%
if there's
no other alternative.
20:42.333 --> 20:44.900 align:left position:10% line:89% size:80%
Changing... The world--
20:44.900 --> 20:48.033 align:left position:10% line:83% size:80%
alien species can do
that sometimes.
20:48.033 --> 20:50.066 align:left position:10% line:83% size:80%
But that's
an interesting tree.
20:50.066 --> 20:54.333 align:left position:10% line:83% size:80%
And look at the size of the
stump right here next to us.
20:54.333 --> 20:56.266 align:left position:27.5% line:83% size:62.5%
Jim: Could have been a
couple hundred years old.
20:56.266 --> 20:58.100 align:left position:10% line:83% size:80%
Rudy: Oh, wow, yeah, hollowed
out basically in the center.
20:58.100 --> 20:59.300 align:left position:10% line:89% size:80%
Look at those...
20:59.300 --> 21:01.100 align:left position:10% line:83% size:80%
It's hard to even see
the rings anymore.
21:01.100 --> 21:04.133 align:left position:10% line:83% size:80%
Movement right there,
Jim, little bit.
21:04.133 --> 21:07.300 align:left position:10% line:83% size:80%
Very common to find
in this kind of situation
21:07.300 --> 21:09.166 align:left position:10% line:83% size:80%
the red-backed
salamander--
21:09.166 --> 21:12.033 align:left position:20% line:83% size:70%
abundant here in
Shenandoah National Park.
21:12.033 --> 21:13.400 align:left position:10% line:83% size:80%
See the line
down the back
21:13.400 --> 21:14.966 align:left position:10% line:83% size:80%
isn't always
necessarily red--
21:14.966 --> 21:16.900 align:left position:10% line:83% size:80%
it can be kind
of a yellowish color.
21:16.900 --> 21:18.433 align:left position:10% line:89% size:80%
Moving along slowly.
21:18.433 --> 21:20.733 align:left position:10% line:83% size:80%
No lungs in that animal--
lungless animal.
21:20.733 --> 21:22.233 align:left position:10% line:83% size:80%
Breathes
through the skin...
21:22.233 --> 21:23.833 align:left position:35% line:89% size:55%
Jim: Through the skin.
21:23.833 --> 21:24.966 align:left position:10% line:83% size:80%
Rudy: And linings
of the mouth.
21:24.966 --> 21:26.333 align:left position:10% line:83% size:80%
Doesn't stay there
very long.
21:26.333 --> 21:27.800 align:left position:12.5% line:83% size:77.5%
You see kind of
in a shaded area
21:27.800 --> 21:28.933 align:left position:10% line:83% size:80%
a little bit
more moist.
21:28.933 --> 21:30.033 align:left position:45% line:89% size:45%
Jim: Fully mature?
21:30.033 --> 21:31.366 align:left position:10% line:89% size:80%
Rudy: Yeah, mm-hmm.
21:31.366 --> 21:32.900 align:left position:10% line:83% size:80%
That's an average-
size adult.
21:32.900 --> 21:35.300 align:left position:10% line:83% size:80%
They feed on earthworms
and soft-bodied insects
21:35.300 --> 21:36.966 align:left position:10% line:89% size:80%
and other things here.
21:36.966 --> 21:39.033 align:left position:10% line:83% size:80%
This forest, though,
has changed a lot.
21:39.033 --> 21:41.200 align:left position:12.5% line:83% size:77.5%
A lot of these hemlocks
were cut for tannic acid
21:41.200 --> 21:42.366 align:left position:10% line:89% size:80%
to tan hides.
21:42.366 --> 21:43.700 align:left position:10% line:83% size:80%
Chestnut blight,
you remember
21:43.700 --> 21:44.933 align:left position:10% line:83% size:80%
came and got
the chestnuts
21:44.933 --> 21:46.933 align:left position:10% line:83% size:80%
and now the gypsy moths
are changing things.
21:46.933 --> 21:48.133 align:left position:10% line:89% size:80%
Here's some more change:
21:48.133 --> 21:49.666 align:left position:12.5% line:83% size:77.5%
look at the..
That's an oak.
21:49.666 --> 21:50.866 align:left position:55% line:89% size:35%
Jim: A fungus?
21:50.866 --> 21:52.066 align:left position:10% line:89% size:80%
Rudy: Yeah.
21:52.066 --> 21:53.333 align:left position:10% line:89% size:80%
One of the mushrooms--
21:53.333 --> 21:54.800 align:left position:10% line:83% size:80%
bearded hedgehog
mushroom.
21:54.800 --> 21:56.266 align:left position:10% line:83% size:80%
Pretty good
common name for it--
21:56.266 --> 21:58.133 align:left position:10% line:83% size:80%
looks almost like
a beard hanging down.
21:58.133 --> 22:00.300 align:left position:10% line:83% size:80%
This is the reproductive part,
now
22:00.300 --> 22:02.833 align:left position:10% line:83% size:80%
of that mushroom;
most of it's inside.
22:02.833 --> 22:05.433 align:left position:10% line:83% size:80%
And it's one of
the causes of heartrot
22:05.433 --> 22:07.266 align:left position:10% line:89% size:80%
in the, uh...in the oaks.
22:07.266 --> 22:09.000 align:left position:10% line:83% size:80%
That is
an edible mushroom
22:09.000 --> 22:10.300 align:left position:10% line:89% size:80%
believe it or not.
22:10.300 --> 22:12.233 align:left position:50% line:89% size:40%
Jim: Hedgehog...
22:12.233 --> 22:14.266 align:left position:10% line:83% size:80%
Rudy: The bearded
hedgehog mushroom
22:14.266 --> 22:15.633 align:left position:10% line:89% size:80%
is the common name.
22:15.633 --> 22:17.100 align:left position:10% line:89% size:80%
It's a fungus, again
22:17.100 --> 22:19.500 align:left position:10% line:83% size:80%
changing the tree
into a mushroom.
22:19.500 --> 22:21.066 align:left position:10% line:89% size:80%
Interesting place here.
22:21.066 --> 22:22.233 align:left position:10% line:89% size:80%
Course, totally changes
22:22.233 --> 22:23.666 align:left position:10% line:83% size:80%
when you get
to an open area.
22:23.666 --> 22:24.933 align:left position:10% line:89% size:80%
Not many.
22:24.933 --> 22:26.700 align:left position:10% line:83% size:80%
Let's head toward
big meadows next.
22:26.700 --> 22:36.800 align:left position:10% line:89% size:80%
♪
22:36.800 --> 22:40.066 align:left position:10% line:83% size:80%
This is quite a different
feeling now than we've had.
22:40.066 --> 22:43.733 align:left position:10% line:83% size:80%
Shenandoah National Park has
so much to offer variety-wise.
22:43.733 --> 22:45.466 align:left position:42.5% line:83% size:47.5%
Jim: They call this
"big meadow."
22:45.466 --> 22:46.933 align:left position:10% line:83% size:80%
Rudy: Pretty good name
for it
22:46.933 --> 22:49.000 align:left position:10% line:83% size:80%
because, look,
this wide expanse.
22:49.000 --> 22:51.000 align:left position:10% line:83% size:80%
Very few trees
are growing here.
22:51.000 --> 22:53.800 align:left position:10% line:83% size:80%
Indians probably took advantage
of this area
22:53.800 --> 22:55.400 align:left position:10% line:89% size:80%
a good while ago to hunt.
22:55.400 --> 22:57.466 align:left position:12.5% line:83% size:77.5%
And, of course,
the park service
22:57.466 --> 22:59.066 align:left position:10% line:89% size:80%
I imagine, keeps it back
22:59.066 --> 23:01.466 align:left position:12.5% line:83% size:77.5%
because there are
a few tree species
23:01.466 --> 23:03.200 align:left position:10% line:83% size:80%
trying to get
a hold here--
23:03.200 --> 23:04.700 align:left position:10% line:89% size:80%
kind of pioneer species.
23:04.700 --> 23:06.833 align:left position:10% line:83% size:80%
But you can imagine,
a meadow like this...
23:06.833 --> 23:07.933 align:left position:10% line:89% size:80%
Look up on the road--
23:07.933 --> 23:09.266 align:left position:10% line:89% size:80%
toward the road there.
23:09.266 --> 23:10.666 align:left position:50% line:89% size:40%
Jim: Ah, a deer.
23:10.666 --> 23:13.466 align:left position:10% line:5% size:80%
Rudy: White-tailed deer
love situations like this.
23:13.466 --> 23:16.000 align:left position:10% line:5% size:80%
I'm surprised we don't
see one right here.
23:16.000 --> 23:17.666 align:left position:10% line:5% size:80%
Beautiful doe there.
23:17.666 --> 23:19.900 align:left position:10% line:83% size:80%
And you can see
the big ears
23:19.900 --> 23:22.166 align:left position:10% line:83% size:80%
and the big,
big eyes there.
23:22.166 --> 23:24.400 align:left position:10% line:5% size:80%
Probably a couple
years old.
23:24.400 --> 23:27.333 align:left position:10% line:5% size:80%
Look at it using
those... Those hooves
23:27.333 --> 23:29.000 align:left position:10% line:5% size:80%
to dig a little bit.
23:29.000 --> 23:30.366 align:left position:10% line:5% size:80%
I don't know
what it's getting.
23:30.366 --> 23:31.666 align:left position:27.5% line:5% size:62.5%
Jim: Roots and nutrients?
23:31.666 --> 23:33.733 align:left position:10% line:5% size:80%
Rudy: It almost looks like
it's licking the clay
23:33.733 --> 23:34.966 align:left position:10% line:5% size:80%
on the side of the road.
23:34.966 --> 23:37.433 align:left position:12.5% line:5% size:77.5%
But scratching anyway
with those front legs.
23:37.433 --> 23:38.833 align:left position:10% line:5% size:80%
Runs really on its toes.
23:38.833 --> 23:40.266 align:left position:10% line:5% size:80%
Look at those
slender legs.
23:40.266 --> 23:42.366 align:left position:10% line:5% size:80%
And, again, when
you run on your toes
23:42.366 --> 23:43.966 align:left position:10% line:5% size:80%
you can move
rather rapidly.
23:43.966 --> 23:45.400 align:left position:10% line:5% size:80%
White tail there--
23:45.400 --> 23:47.466 align:left position:10% line:5% size:80%
you can barely see that
twitching a little--
23:47.466 --> 23:48.566 align:left position:10% line:5% size:80%
gives it the name.
23:48.566 --> 23:49.933 align:left position:37.5% line:89% size:52.5%
Virginia whitetail.
23:49.933 --> 23:51.033 align:left position:37.5% line:5% size:52.5%
Virginia white-tailed
deer.
23:51.033 --> 23:52.600 align:left position:10% line:5% size:80%
Yeah, that's
a good name for it--
23:52.600 --> 23:53.866 align:left position:10% line:5% size:80%
makes sense here.
23:53.866 --> 23:55.466 align:left position:10% line:89% size:80%
Now, what about plants?
23:55.466 --> 23:57.566 align:left position:27.5% line:83% size:62.5%
Well, certainly something
very showy here--
23:57.566 --> 23:58.600 align:left position:40% line:89% size:50%
small white flowers.
23:58.600 --> 23:59.866 align:left position:10% line:83% size:80%
Rudy: Yeah, in
the lily family.
23:59.866 --> 24:02.633 align:left position:10% line:83% size:80%
Common name for that
is fly poison
24:02.633 --> 24:06.433 align:left position:10% line:83% size:80%
and it's also something
that is really, in fact,
24:06.433 --> 24:08.466 align:left position:10% line:89% size:80%
poisonous to cattle.
24:08.466 --> 24:10.300 align:left position:10% line:83% size:80%
And if they were
in this meadow
24:10.300 --> 24:11.933 align:left position:10% line:83% size:80%
they might have a little bit
of a problem with that.
24:11.933 --> 24:13.233 align:left position:10% line:89% size:80%
But leaves at the base
24:13.233 --> 24:14.633 align:left position:10% line:83% size:80%
and then
those white flowers
24:14.633 --> 24:15.866 align:left position:10% line:89% size:80%
coming up on the stalk.
24:15.866 --> 24:18.466 align:left position:10% line:83% size:80%
And speaking of flowers
kind of on a stalk--
24:18.466 --> 24:20.533 align:left position:10% line:83% size:80%
look at the littlellow
flowers right here.
24:20.533 --> 24:21.866 align:left position:10% line:83% size:80%
See them
in front of us there?
24:21.866 --> 24:23.166 align:left position:10% line:89% size:80%
Plant with whorls of leaves
24:23.166 --> 24:24.833 align:left position:10% line:83% size:80%
and then whorls
of, you know, flowers
24:24.833 --> 24:26.833 align:left position:10% line:83% size:80%
coming out at the base
of the leaves there.
24:26.833 --> 24:27.866 align:left position:10% line:89% size:80%
Loosestrife...
24:27.866 --> 24:28.966 align:left position:47.5% line:89% size:42.5%
Jim: Loosestrife?
24:28.966 --> 24:30.500 align:left position:10% line:83% size:80%
Rudy: ...Is the common
name for that.
24:30.500 --> 24:31.866 align:left position:10% line:83% size:80%
And wet meadows
like this
24:31.866 --> 24:33.033 align:left position:10% line:83% size:80%
are just
a great place
24:33.033 --> 24:35.200 align:left position:10% line:83% size:80%
any season of the year
for wild flowers.
24:35.200 --> 24:37.666 align:left position:10% line:83% size:80%
And shrubs, too--
blueberries mainly.
24:37.666 --> 24:40.766 align:left position:10% line:83% size:80%
I even see some early fruit
on the blueberries.
24:40.766 --> 24:42.933 align:left position:10% line:83% size:80%
Jim, you're not
going to believe this:
24:42.933 --> 24:44.800 align:left position:10% line:83% size:80%
right down there
by the shrubs--
24:44.800 --> 24:46.566 align:left position:10% line:83% size:80%
little fawn,
this year's young.
24:46.566 --> 24:48.133 align:left position:10% line:83% size:80%
Stripe almost
down the back
24:48.133 --> 24:49.800 align:left position:10% line:83% size:80%
white on the sides,
big ears.
24:49.800 --> 24:51.500 align:left position:10% line:83% size:80%
Again, look
at that little thing.
24:51.500 --> 24:54.000 align:left position:10% line:83% size:80%
Delicate... Frightened
by us a little, not moving
24:54.000 --> 24:56.800 align:left position:10% line:83% size:80%
and slowly working
its way back down
24:56.800 --> 24:58.966 align:left position:10% line:83% size:80%
into that vegetation
to hide
24:58.966 --> 25:02.166 align:left position:10% line:83% size:80%
waiting, I guess,
for mama to come back.
25:02.166 --> 25:04.200 align:left position:10% line:83% size:80%
Could have been
the mother
25:04.200 --> 25:06.866 align:left position:10% line:83% size:80%
up there on the road
a minute ago.
25:06.866 --> 25:08.466 align:left position:10% line:83% size:80%
Totally different
environment
25:08.466 --> 25:11.166 align:left position:10% line:83% size:80%
and, of course, that affects
the plants that live here
25:11.166 --> 25:12.666 align:left position:10% line:83% size:80%
and that affects
the animals.
25:12.666 --> 25:15.166 align:left position:15% line:83% size:75%
Jim: All making up a part
of Shenandoah National Park.
25:15.166 --> 25:16.533 align:left position:10% line:83% size:80%
Rudy: Yeah, great
diversity here.
25:16.533 --> 25:17.700 align:left position:10% line:89% size:80%
Let's head on.
25:17.700 --> 25:29.666 align:left position:10% line:89% size:80%
♪
25:29.666 --> 25:32.733 align:left position:12.5% line:83% size:77.5%
Jim: 105 miles of skyline drive
goes through the park
25:32.733 --> 25:34.900 align:left position:37.5% line:83% size:52.5%
and gives opportunity
to look out.
25:34.900 --> 25:37.466 align:left position:10% line:83% size:80%
Rudy: Yeah, these pull-offs
are nice and safe.
25:37.466 --> 25:39.833 align:left position:10% line:83% size:80%
This one's got a few
hemlocks down there
25:39.833 --> 25:41.533 align:left position:10% line:83% size:80%
in the distance
a little bit.
25:41.533 --> 25:44.033 align:left position:10% line:83% size:80%
So the conifers do well
in certain areas
25:44.033 --> 25:45.866 align:left position:10% line:83% size:80%
especially
north-facing slopes.
25:45.866 --> 25:47.066 align:left position:10% line:89% size:80%
And then the oak there
25:47.066 --> 25:48.766 align:left position:10% line:83% size:80%
stripped with
those gypsy moths.
25:48.766 --> 25:51.566 align:left position:10% line:83% size:80%
Hopefully nature can come up
with a way to control it
25:51.566 --> 25:55.433 align:left position:10% line:83% size:80%
with diseases or predators
or maybe parasites.
25:55.433 --> 25:56.800 align:left position:10% line:83% size:80%
Blue flowers,
and, you know
25:56.800 --> 25:59.066 align:left position:10% line:83% size:80%
you see them a lot
along the roadsides here.
25:59.066 --> 26:01.000 align:left position:10% line:83% size:80%
Blueweed is
the common name for it
26:01.000 --> 26:02.433 align:left position:10% line:89% size:80%
and that's European
26:02.433 --> 26:04.333 align:left position:10% line:83% size:80%
just like the gypsy moth
is European.
26:04.333 --> 26:08.633 align:left position:10% line:83% size:80%
So many of these nonnative
species have become weeds
26:08.633 --> 26:11.200 align:left position:10% line:89% size:80%
as that name implies.
26:11.200 --> 26:12.633 align:left position:37.5% line:83% size:52.5%
Jim: Over two million
visitors a year
26:12.633 --> 26:14.866 align:left position:27.5% line:83% size:62.5%
come to visit Shenandoah,
and we can be thankful
26:14.866 --> 26:16.566 align:left position:42.5% line:83% size:47.5%
it's been set aside
for safekeeping.
26:16.566 --> 26:18.433 align:left position:10% line:83% size:80%
Rudy: And it's so close
to so many people, too.
26:18.433 --> 26:20.333 align:left position:10% line:83% size:80%
I hope they'll come
take advantage of it.
26:20.333 --> 26:21.833 align:left position:10% line:89% size:80%
Nice place.
26:21.833 --> 26:23.633 align:left position:50% line:83% size:40%
Jim: We hope you
enjoyed your visit
26:23.633 --> 26:25.933 align:left position:22.5% line:83% size:67.5%
to Shenandoah National Park
in Virginia
26:25.933 --> 26:28.900 align:left position:20% line:83% size:70%
and will join us again
on the nextNature Scene.
26:28.900 --> 27:50.400 align:left position:50% line:89% size:40%
♪
27:50.400 --> 27:54.500 align:left position:10% line:5% size:80%
Announcer: Nature Sceneis made
possible in part by grants from:
27:56.733 --> 27:59.933 align:left position:15% line:83% size:75%
Helping sustainNature Scene
for the past four years.
27:59.933 --> 28:02.133 align:left position:35% line:89% size:55%
Santee Cooper
28:02.133 --> 28:05.300 align:left position:10% line:83% size:80%
where protection and improvement
of our environment
28:05.300 --> 28:10.000 align:left position:22.5% line:83% size:67.5%
are equal in importance
to providing electric energy.
28:10.000 --> 28:12.966 align:left position:22.5% line:89% size:67.5%
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28:12.966 --> 28:16.700 align:left position:15% line:83% size:75%
members of the ETV Endowment
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