| Records |
| Author |
Reading, R.P.; Amgalanbaatar, S.; Mix, H.; Lhagvasuren, B. |
| Title |
Argali Ovis ammon surveys in Mongolia's South Gobi |
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Journal Article |
Year  |
1997 |
Publication |
Oryx |
Abbreviated Journal |
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| Volume |
31 |
Issue |
4 |
Pages |
285-294 |
| Keywords |
Mongolia; argali; gobi; livestock; population; status; 5220 |
| Abstract |
Claims poaching and competition with domestic livestock are threatening the argali's survival in Mongolia. The author's conducted aerial and ground surveys in the South Gobi and estimated a populaton size of approximately 3,900 argali. |
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Full text available at URL. |
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| Call Number |
SLN @ rana @ 507 |
Serial |
811 |
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| Author |
Reading, R.P.; Mix, H.; Lhagvasuren, B.; Blumer, E.S. |
| Title |
Status of wild Bactrian camels and other large ungulates in south-western Mongolia |
Type |
Journal Article |
| Year |
1999 |
Publication |
Oryx |
Abbreviated Journal |
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33 |
Issue |
3 |
Pages |
247-255 |
| Keywords |
argali; Asian wild ass; Bactrian camels; Camelus bactrianus; goitred gazelle; Mongolia.; 5230 |
| Abstract |
Abstract Wild Bactrian camels Camelus bactrianus ferus are endangered. Surveys over the past several decades suggest a marked decline in camel numbers and reproductive success. However, most surveys were made using methods that precluded rigorous population estimation. The need for more accurate surveys resulted in an aerial survey of known and suspected camel habitat in Mongolia during March 1997. We estimated density, group density and population size of large mammals in south-western Mongolia using the interactive computer program DISTANCE. We recorded sufficient data for population modelling of wild Bactrian camels, goitred gazelles Gazella subgutturosa, Asian wild asses Equus hemionus and argali sheep Ovis ammon. We observed 277 camels in 27 groups (mean group size = 10.269 +- 2.38 SE camels: group). Modelling yielded a population estimate of 198 +- 802 SE camels in the survey area. Population modelling for other ungulates yielded estimates of 6046 +- 1398 SE goitred gazelles, 1674 +- 506 SE Asian wild asses and 909 +- 303 SE argalis. Discrepancies between population estimates of ungulates in our survey and previous surveys are discussed with regard to methods used and robustness of results obtained. We also discuss conservation implications for wild Bactrian camels and other Mongolian ungulates. |
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Full text available at URL |
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no |
| Call Number |
SLN @ rana @ 508 |
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812 |
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| Author |
Reading, R.P.; Mix, H.M.; Badamjaviin L.; Feh, L.; Kane, D.; Dulamtseren, S.; Enkhbold S. |
| Title |
Status and distribution of khulan Equus hemionus in Mongolia |
Type |
Journal Article |
| Year |
2001 |
Publication |
Journal of Zoology |
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254 |
Issue |
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Pages |
381-389 |
| Keywords |
gobi; Equus hemionus; Khulan; Mongolia; wild ass; 5240 |
| Abstract |
The Asiatic wild ass Equus hemionus, or khulan, once ranged across much of Central Asia, but is now globally threatened. The largest free-ranging populations are now restricted to a 250-km wide area (range 100ñ400 km) across the Gobi Desert region of southern Mongolia. Over the last 23 years the population has moved further north and east into its former range. Surveys conducted in the 1970s and 1980s estimated that the Mongolian population contained fewer than 15 000 animals and was declining as a result of human exploitation and livestock competition. Aerial surveys (one in autumn 1994, two in spring 1997) were flown as line transects over portions of the khulan's range in Mongolia and ground surveys (’ve in spring, summer, and autumn 1994ñ97) were conducted by vehicle and foot. Sample sizes and areas surveyed were larger than previous surveys, and our methods were often more systematic. Population size was estimated at 33 000ñ63 000 wild asses in Mongolia. Animal density ranged from 4.2 a 1.3 to 19.1a 3.2 per 100 km2. Mean group size ranged from four to 35 animals in the south-western Gobi, four to seven animals in the southern Gobi, and three to 18 in the south-eastern Gobi. Our data suggest that Mongolia is the most important stronghold for the conservation of E. hemionus. Conservation management continues to be challenging because intensive studies on khulan biology and ecology are just beginning. As a freemarket economy continues to emerge in Mongolia, pressure from resource extraction interests and nomadic livestock herders to remove the khulan's protected status, permit harvesting and halt population growth and expansion, also makes implementation of research and conservation management programs more imperative. |
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Full text available at URL |
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| Call Number |
SLN @ rana @ 509 |
Serial |
813 |
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