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Yellowstone National Park,
established by the U.S. Congress and signed into
law by
President Ulysses S. Grant on
March 1, 1872, is a national park located
primarily in the
U.S. state of Wyoming,
although it also extends into Montana and Idaho.
Yellowstone,
widely held to be the
first national park in the world, is known for its
wildlife and its
many geothermal
features, especially Old Faithful Geyser, one of
the most popular
features in the park.
It has many types of ecosystems, but the subalpine
forest is dominant.
Yellowstone
National Park spans an area of 3,468.4 square
miles (8,983 km2,
comprising lakes,
canyons, rivers and mountain ranges. Yellowstone
Lake is one of the
largest
high-altitude lakes in North America
and is centered over the Yellowstone Caldera,
the largest supervolcano on the
continent. The caldera is considered an active
volcano. It
has erupted with tremendous
force several times in the last two million years.
Half of the
world's geothermal features
are in Yellowstone, fueled by this ongoing
volcanism. Lava
flows and rocks from
volcanic eruptions cover most of the land area of
Yellowstone. The
park is the
centerpiece of the Greater Yellowstone Ecosystem,
the largest remaining,
nearly intact
ecosystem in the Earth's northern
temperate zone.
黄石国家公园
(
英语
:Yellowstone National Park,
简称黄石公园
,
是世界第一座国家
公园
,
成立於
1872
p>
年。黄石公园位於美国中西部怀俄明州的西北角
,
< br>并向西北方向延
伸到爱达荷荷州和蒙大拿州
,
面积达
7988
平方公里。这片地区原本是印地安
人的圣
地
,
但因美国探险家刘易斯与克
拉克远征的发掘
,
而成为世界上最早的国家公园。它
在
1978
年被列为世界自然遗产。
园内高度从北方入口
(
蒙
大拿州的伽德纳
(Gardiner
的
5,314
英尺
(1,620
米上升
到公园东南方最高点的鹰峰
(Eagle Peak
的
11,358
英尺
(3,462
米。在黄石公园广博的天然森林中有世界上最大的间歇泉集中地带
,
全球一半以上
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