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Yosemite National Park

Yosemite National Park

Yosemite National Park lies in the heart of California. With its 'hanging' valleys, many waterfalls, cirque lakes, polished domes, moraines and U-shaped valleys, it provides an excellent overview of all kinds of granite relief fashioned by glaciation. At 600–4,000 m, a great variety of flora and fauna can also be found here.

Parc national de Yosemite

Au cœur de la Californie, le parc national de Yosemite, avec ses vallées suspendues, ses cascades innombrables, ses lacs de cirque, ses dômes polis, ses moraines et ses vallées en U, permet d'observer toutes les formes d'un relief granitique façonné par les glaciations. S'étageant de 600 à 4 000 m d'altitude, il abrite en outre une flore et une faune extrêmement variées.

منتزه يوسميت الوطني

يقع منتزه يوسميت الوطني في قلب كاليفورنيا فتُعرف عنه وديانه المعلّقة وشلالاته العديدة ووبحيراته الدائريّة وقببه المصقولة وركامه المثلجة ووديانه المنعطفة وهو يسمح بمراقبة شتّى أشكال نتوء غرانيتي وقد صقلته الثلوج المتجمّدة. يقع على ارتفاع 600 إلى 4000 متر ويأوي حياةً حيوانيّةً ونباتيّةً جدّ متنوّعة.

source: UNESCO/ERI

约塞米特蒂国家公园

约塞米特蒂国家公园位于加利福尼亚中部,该公园给我们展示着世上罕见的由冰川作用而成的大量花岗岩形态,包括“悬空”山谷、瀑布群、冰斗湖、冰穹丘、冰碛以及U型山谷。在约塞米特蒂国家公园海拔600米至4000米的区域内,我们还可以找到各种各样的动植物。

source: UNESCO/ERI

Йосемитский национальный парк

Йосемитский парк находится в центре Калифорнии. Здесь можно увидеть глубокие каньоны, многочисленные водопады и озера, моренные отложения, округлые гранитные купола и останцы с отвесными стенами и другие типичные формы ледникового рельефа. Охватывая высоты в диапазоне 600 - 4000 м, парк характеризуется значительным разнообразием флоры и фауны.

source: UNESCO/ERI

Parque Nacional de Yosemite

Con sus valles colgantes, cascadas innumerables, lagos de circo, domos pulidos, morrenas y valles en U, el Parque Nacional de Yosemite, situado en el centro de California, muestra todas las formas de relieve granítico moldeado por las glaciaciones. Debido a que la altitud de sus terrenos oscila entre 600 y 4.000 metros, el parque alberga especies animales y vegetales extremadamente variadas.

source: UNESCO/ERI

ヨセミテ国立公園

source: NFUAJ

Nationaal park Yosemite

Het Nationaal park Yosemite ligt in het hart van Californië. Met zijn ‘hangende’ valleien, vele watervallen, meren, gepolijste koepelvormige rotsen, morenen en U-vormige valleien toont het park allerlei hoedanigheden van granietreliëf, gevormd door ijstijden. Op 600 tot 4.000 meter hoogte is er een grote verscheidenheid aan flora en fauna te vinden. Deze wordt weerspiegeld door het bestaan van zes verschillende vegetatiezones - beheerst door de hoogtevariatie - waarvan de uitgestrekte bergweiden erg bijzonder zijn. In Yosemite zijn 1.200 soorten bloeiende planten, diverse varens, mossen en korstmossen te vinden. Het gebied telt acht met uitsterven bedreigde plantensoorten. Daarnaast telt het park 569 archeologische locaties.

Source: unesco.nl

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Statement of Significance

Yosemite National Park vividly illustrates the effects of glacial erosion of granitic bedrock, creating geologic features that are unique in the world. Repeated glaciations over millions of years have resulted in a concentration of distinctive landscape features, including soaring cliffs, domes, and free-falling waterfalls. There is exceptional glaciated topography, including the spectacular Yosemite Valley, a 914-meter (1/2 mile) deep, glacier-carved cleft with massive sheer granite walls. These geologic features provide a scenic backdrop for mountain meadows and giant sequoia groves, resulting in a diverse landscape of exceptional natural and scenic beauty.

Criterion (vii): Yosemite has exceptional natural beauty, including 5 of the world's highest waterfalls, a combination of granite domes and walls, deeply incised valleys, three groves of giant sequoia, numerous alpine meadows, lakes, diversity of life zones and variety of species.

Criterion (viii): Glacial action combined with the granitic bedrock has produced unique and pronounced landform features including distinctive polished dome structures, as well as hanging valleys, tarns, moraines and U-shaped valleys. Granitic landforms such as Half Dome and the vertical walls of El Capitan are classic distinctive reflections of geologic history. No other area portrays the effects of glaciation on underlying granitic domes as well as Yosemite does.

Long Description

Yosemite National Park, on the west slope of the central Sierra Nevada Mountains, is an area of outstanding scenic beauty and great wilderness value. The park represents practically all the different environments found within the Sierra Nevada, including sequoia groves, historic resources, evidence of Indian habitation, and domes, valleys, polished granites and other geological features illustrating the formation of the mountain range.

The park is dominated by the Sierra Nevada, which is a tilted granite area. Granite underlies most of the park and is exposed as domes, partial domes, knobs and cliffs. There is exceptionally glaciated topography over most of the area including the spectacular Yosemite Valley, a 914 m deep cleft carved by glaciers through a gently rolling upland. The valley is a widened portion of the prevailing narrow Merced River canyon which traverses the southern sector of the park from east to west. The massive sheer granite walls present a freshly glaciated appearance with little postglacial erosion. The park is known for its many waterfalls, including the Yosemite Falls and Ribbon Falls, and some 300 lakes, including Emerald and Merced. Other notable canyons in the park are the Grand Canyon of the Tuolumne River and the Tenaya Canyon. There are also two major rivers (Merced and Tuolumne). The area was previously heavily glaciated and, although no glaciers are still existent in the park, the marks of their passing are everywhere. Glacial action combined with the granitic bedrock has resulted in unique and pronounced landform features. These include distinctive polished dome structures as well as the related glacial features of hanging valleys, tarns, moraines and U-shaped valleys. Monolithic granitic blocks such as Half Dome and the perpendicular wall of El Capitan are classic distinctive reflections of the geological history of the area.

The variety of flora is reflected in the existence of six distinct vegetation zones which are governed by altitudinal variation. Notable are three groves of the giant sequoia tree and extensive alpine meadows. There are 1,200 species of flowering plant along with various other ferns, bryophytes and lichens. There is one endemic and eight threatened or endangered species of plant.

The park has 67 mammalian species, of which 32 are rodents, 221 species of bird, 18 reptile, 10 amphibian and 11 fish, of which 6 are endemic. One bird species (bald eagle) is endangered and the peregrine falcon is listed as vulnerable. A few non-native species have been accidentally introduced such as beaver and white-tailed ptarmigan. Bighorn sheep were declared extinct in Yosemite in 1914 but were reintroduced in 1986.

There are 1,000 designated archaeological sites recorded by visitors, park staff and during systematic archaeological surveys. Yosemite is viewed as a boundary zone between the two major cultural provinces of Central California and the Great Basin. In late prehistoric and historic times Yosemite was occupied by two main tribes of North American Indians. There are 569 designated archaeological sites within the park.

Yosemite's natural beauty was the impetus, then, for the first implementation of the national park concept as we know it today. Adding to Yosemite's cultural importance are the archaeological features found in the area.

Much change has however occurred in the Yosemite landscape. Suppression of natural fires and heavy stock and sheep grazing in the past has also altered the original vegetation.

Source: UNESCO/CLT/WHC
Historical Description

Act of Congress of 30 June 1864 (13 Stat. 325) granted Yosemite Valley and Mariposa Big Tree Grove to the state of California (regranted to the US government in 1906). Establishment of Yosemite National Park as a forest reservation on 1 October 1890 (26 Stat. 650) excluding Yosemite Valley and Mariposa Grove. Boundary adjustments were made in 1905. Park extension in 1929 of 4,846.47ha and further extensions in 1930, 1931, 1932, 1937, 1938 and 1984. Designated as a World Heritage site in 1984.

Source: Advisory Body Evaluation
Notes
  • Property inscribed for both geological and ecological values under natural criterion N (ii) before 1994. Criterion N (i) [Operational Guidelines 2002] was added. For more details see Decision 30.COM 8D.1.