Location: Leh, in eastern
Ladakh, Jammu & Kashmir
Area: Tso Morari 12000 ha; adjacent marshes 1000 ha.
Altitude: 4511 m
Biogeographical province: 2.38.12
Wetland type: 12, 15, 16
Description of site: Tso Morari is the largest (length
30 km; average width 9 km) of the high altitude trans-Himalayan lakes situated
entirely within Indian territory. The waters are alkaline. The lake formerly
had an outlet to the south, but it has contracted considerably and has become
land locked; as a result, the water is now brackish to saline. The lake is
fed by springs and snow-melt in two major stream systems, one entering the
lake from the north, the other from the southwest. Both stream systems create
extensive marshes where they enter the lake. The lake has a maximum depth
of 40 m, and is frozen over from October to March. Small islands near the
north and south ends are important for breeding waterfowl. The lake basin
is bounded to the north and east by cold desert, and to the south and west
by mountain ranges with peaks exceeding 5500 m. A village, Korzok, inhabited
by semi-nomadic tribes, is situated in a corner. Recently, a road has been
constructed up to the lake
Climatic conditions: Arid Tibetan climate, characterised
by marked differences between sun and shade and night and day temperatures.
Humidity is low, and there is very little precipitation in the form of rain
or snow within the basin (average annual precipitation about 75 mm). Summers
are very short, and winters prolonged and cold. Summer temperatures range
from 0 - 30°C, winter temperatures from -10°C to as low as - 40°C
Principal vegetation: There does not appear to be
any vegetation in the deeper parts of the lake, but the shallower areas have
some Potamogeton sp. Various species of sedge and rush grow in the marshes,
notably Carex sp. Species of Caragana and Astragalus are typical of the surrounding
and steppe vegetation
Land tenure: The lake is state-owned (Government of Jammu
& Kashmir); surrounding areas are largely state-owned
Conservation measures taken: The lake has been afforded some
protection, and shooting of wildlife is strictly prohibited
Conservation measures proposed: The lake lies within the
boundaries of the proposed High Altitude Cold Desert National Park (400,000
ha) in eastern Ladakh
Land use: The marshes and meadows are grazed by domestic
livestock, mainly yaks. A small portion on the periphery is used by the Korzok
villagers for agriculture
Disturbances and threats: The construction of a road right
up to the lake has opened up this once remote basin for tourism and economic
activities. The increased human activity is likely to affect the breeding
waterfowl population. There are no threats foreseen in the immediate future,
although the number of grazing yaks has already reached a very high level
Economic and social values: The wetland provides rich pastures
for domestic livestock. A Buddhist monastery in a nearby village is reputed
to be one of the highest permanent settlements in the world. The area has
been opened to foreign tourists recently Fauna: Tso Morari is thought to be
the most important breeding locality for waterfowl in Ladakh. The lake has
the largest breeding colony of bar-headed geese (Anser indicus) in Indian
territory, and supports significant breeding populations of great crested
grebe, brahminy duck, ruddy shelduck, lesser sand plover, brown-headed gull,
and common tern. One pair of black-necked cranes (Grus nigricollis) nests
in the marshes along the southern edge of the lake, and a pair of black-necked
grebes (Podiceps nigricollis )were found nesting in 1978. An estimated 200
pairs of Anser indicus were found breeding in 1978 in two colonies, one at
Karzak Gompa and the other in the marshes at the south end of the lake. Flocks
of Tibetan sand grouse (Syrrhaptes tibetanus) come to drink at streams in
the adjacent meadows, and wild ass (Equus hemionus) forage on the surrounding
plains
Special floral values: No information
Research and facilities: Some studies have been made on the
breeding birds.
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