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Western Himalayan alpine shrub and meadows

From Wikipedia, the free encyclopedia

Western Himalayan alpine shrub and meadows
Valley of flowers uttaranchal full view.JPG
Western Himalayan alpine shrub and meadows in Valley of Flowers National Park in Uttarakhand, India
Ecology
BiomeMontane grasslands and shrublands
Borders
Bird species389[1]
Mammal species61[1]
Geography
Area70,200 km2 (27,100 sq mi)
CountriesIndia, China and Nepal, Pakistan
Conservation
Habitat loss17.291%[1]
Protected19.18%[1]

The Western Himalayan alpine shrub and meadows is a montane grasslands and shrublands ecoregion of Nepal, India, and Tibet, which lies between the tree line and snow line in the western portion of the Himalaya Range.

Setting

The Western Himalayan alpine shrub and meadows covers an area of 70,200 square kilometres (27,100 sq mi), extending from the Kali Gandaki Gorge in central Nepal westwards across Uttarakhand and eastern Himachal Pradesh states of India to the gorge of the Sutlej River. The alpine shrub and meadows lie between approximately 3,000 and 5,000 metres (9,800 and 16,400 ft) elevation.

The Eastern Himalayan alpine shrub and meadows lie east of the Kali Gandaki gorge, while the Northwestern Himalayan alpine shrub and meadows lies west of the Sutlej. Below 3,000 metres (9,800 ft) lie the Western Himalayan subalpine conifer forests. Permanent ice and snow lies above 5,000 metres (16,000 ft). To the north, the Western Himalayan alpine shrub and meadows transition to the drier Central Tibetan Plateau alpine steppe of central Tibet. The Karakoram-West Tibetan Plateau alpine steppe lies to the southwest.

Flora

Alpine shrublands, dominated by rhododendrons, predominate at lower elevations close to the treeline.

Above the shrublands are alpine meadows, known as bugyals or bughiyals, which support a variety of herbaceous plants, including species of Anaphalis, Cyananthus, Jurinea, Morina, Potentilla, Gentiana, Delphinium, Meconopsis, Pedicularis, Anemone, Aster, Polygonum, Primula, and Saussurea. In the spring and summer, the alpine meadows are covered with brightly colored flowers.

On the upper slopes, low plants of genera Saxifraga, Allium, Corydalis, Eriophyton, Stellaria, Soroseris, and Cremanthodium grow among the boulders and scree.

An alpine steppe of Caragana pygma, C. gerardiana, Lonicera spinosa, Juniperus squamata, Juniperus indica, Ephedra gerardiana, Hippophae tibetana, Myricaria rosea, Lonicera spinulosa, and Berberis can be found in drier parts of the ecoregion.

Fauna

Large mammals include the snow leopard (Uncia uncia), bharal or Himalayan blue sheep (Pseudois nayaur), Himalayan tahr (Hemitragus jemlahicus), Himalayan musk deer (Moschus chrysogaster), and mainland serow (Capricornis sumatraensis). Smaller mammals include weasels and pikas.

Conservation

Several protected areas lie within or partly within the ecoregion, including:

See also

References

  1. ^ a b c d Hoekstra, J. M.; Molnar, J. L.; Jennings, M.; Revenga, C.; Spalding, M. D.; Boucher, T. M.; Robertson, J. C.; Heibel, T. J.; Ellison, K. (2010). Molnar, J. L. (ed.). The Atlas of Global Conservation: Changes, Challenges, and Opportunities to Make a Difference. University of California Press. ISBN 978-0-520-26256-0.
This page was last edited on 17 December 2019, at 20:18
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