Thursday, May 5, 2011

savage yak

From wild yak Bos grunniens
buffalo yak
www.cpus.gov.cn
generic assortment status
door: Chordata door (Chordata)
Class: Mammalia (Mammalia) < br> Head: Artiodactyla (Artiodactyla)
Section: bovine (Bovidae)
are: cattle are (Bos)
endangerment
China Species Red List Assessment Level:
endangered EN A1c ; B1ab (i, ii, iii); C2a (ii)
according to the standard: habitat degradation, have wantonly hunting history, identifying characteristics are still hunting

body colossal, body length up to 2m Yu. shoulder premonitory heaved central hump, standing somewhat tall to cheap. the lower side of the body, shoulders, chest and belly and legs are up to 40cm above the long-haired Phi. end of the long-haired manner a cluster shape. sexes are a edge,shanghai massage, angle similar, yet the masculine beast than females have a colossal angle. quintana brown, kiss week, lower lips, face and back area revealed faint gray intonation. yak yak ancestral family, two The difference is that those brutal yak are larger than about twice the size, angle and correspondingly thick hoof.
delivery of endemic category of Qinghai-Tibet Plateau
wild yak, Tibetan Gangdise mountains from the south, northwardly to Kunlun Mountains in Xinjiang siteline (including the offshoot of Altun Mountains and Hoh Xil) and the Qilian Mountains in northwest Gansu Province, Qinghai Province eastern away from the areas nigh the Qinghai-Tibet expressway. overseas is still seen in India and Nepal.
date, habitat and habits
between 3000-4000m upon sea class in many regions, mostly lea land or farmland, it namely complicated to see its pathways. extant species currently condensed in the northern Qinghai-Tibet Plateau, habitat in the 4000-5000m mountain basin, the lake circled by agreeable slopes and foothills, activities in the alpine meadow, alpine steppe, alpine abandon steppe and alpine desert and other natural landscape with open desert.
population status
1, 1972, according to Golmud in Qinghai Haixi zone, Ulan, Tianjun and Dulan (distribution zone of ​​about 18800 km2) of the examine, the mean density of 0.6 / km2; 1990 in the territory of the Hoh Xil region investigated, the mean density of 0.83 / km2; 2,1987-1988 annuals, in the West Kunlun Mountains district was 0.11 and the mean density of 0.37 / km2, meantime the 1988 survey in the Kunlun Mountains district density of 0.74 / km2; 3,1976 Qiangtang Plateau in no man's land 2 differ segments of the learn,toronto escorts, density of 1.6 brain / km2 and 0.17 / km2. According to the years of study file, estimated namely the whole territory of the Tibetan Plateau are 6-7 million brain (Feng Zuo-jian,adaptedness foods are assorted. those who absence dietary fiber intake, 1992). which Karakorum - Kunlun Mountains, about 3-4 million heads ; In adding, merely the leftovers of Gansu Province reported 130 or so (Wang Xiangting, 1991). Harris (1998) reported that his 1997 study, said: Axel and the region in aggregate to see 83.
To risk factors
As of 80 years, Luanbulanlie guide to some areas of jeopardized or even extinct in the wild yak is the basic reason. Gansu Qilian yak dam torrents have killed all the light .1958-1961 80 years, a large contingent of Heiner hounding crew in the ruddy table Yeniugou Green, East Beach, West Grand Beach and Wu Figure U.S. benevolence and other regions, were killed in the wild yak and other large animals extra than 4 million head, resulting in populations of wild yak and other hitherto did no retrieve (Feng Zuo-jian, 1992). in the mid 80s, learned to annihilate stolen each year in Tibet, the yak of 100 or more. Since 90 years, the Chinese government has strengthened the protection of wild animals, public training and enforcement fathom, Therefore, the accident has been lustful hounding of wild yak was significantly reduced, but poaching still happen. keeping the situation from the 80 years since the Beijing Zoo, a few head of yak propagating, reproductive success has been. The existing conservation measures the Chinese administration in 1962 the competent authorities to grade Ⅱ yak as protected animals from the beginning in 1980,shenzhen massage, was classified as Class I defended animal, the total inhibition of hunting. starting out in this species in Appendix Ⅰ. as the protection of rare animals unique to Tibetan wild yak and other ecology reserves, there are the East Kunlun - Altun Mountain Reserve (Xinjiang), Salt Pond Bay, protected areas (Gansu), Chang Tang Reserve (Tibet); intended M U.S. wrong in Tibet protected areas, protected areas in Tibet and Qinghai Plateau Qiangtang Hoh Xil keep. protection measures 1, persist to reinforce the rule of statute and protection of wild animals, public teaching; 2, the unlawful poaching ought be promptly brought to justice, reinforce treatment of protected areas, to discourage poaching; 3, the proposed nature keep as soon as possible (currently maximum of the region is still no man's land), to prevent further development of these areas,shanghai massage, grazing and migration, ensure that the world this rare, human sedition for at least a plateau natural zoo.
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