干旱区生态环境知识资源中心(Arid): Long-term monitoring using DNA sampling reveals the dire demographic status of the critically endangered Gobi bear

Arid

DOI	10.1002/ecs2.3696
	Long-term monitoring using DNA sampling reveals the dire demographic status of the critically endangered Gobi bear
	Tumendemberel, Odbayar; Tebbenkamp, Joel M.; Zedrosser, Andreas; Proctor, Michael F.; Blomberg, Erik J.; Morin, Dana J.; Rosell, Frank; Reynolds, Harry V.; Adams, Jennifer R.; Waits, Lisette P.
通讯作者	Tumendemberel, O (corresponding author), Univ South Eastern Norway, Dept Nat Sci & Environm Hlth, Bo I Telemark, Norway.
来源期刊	ECOSPHERE
ISSN	2150-8925
出版年	2021
卷号	12 期号:8
英文摘要	Information about population demography is crucial for developing and implementing conservation measures. The brown bear in the Gobi desert of southwestern Mongolia (referred to as the Gobi bear) is one of the smallest and most isolated brown bear populations in the world. We conducted genetic sampling (n = 2660 samples collected) using hair corrals around feeding sites at 13 water sources during 2009, 2013, and 2017 to evaluate population size, survival, and population trend. Bears were identified using 13 microsatellite loci and one sex marker. We detected 51 unique individuals (15F and 36M) from our targeted surveys in 2009, 2013, and 2017. Based on capture-mark-recapture robust design, population estimates were 23 (95% CI: 21-32) in 2009, 28 (95% CI: 25-35) in 2013, and 31 (95% CI: 29-38) individuals in 2017. Spatial capture-recapture analysis suggested abundance was very low (N<^> = 27; 95% CI: 22-35), and there was no significant change from 2009 to 2017. The population density was 0.93 bears/1000 km(2) (95% CI: 0.74-1.17). Our population estimates suggested a stable population trend. However, the population is still very small, and the sex ratio is skewed toward males, raising concerns for future persistence. Annual survival based on Robust design CMR was 0.85. Low abundance and apparent survival for both sexes in this unhunted population coupled with a skewed sex ratio highlight the need for on-the-ground conservation action to conserve this isolated population of bears.
英文关键词	brown bear genetic sampling Gobi Desert population abundance and density spatial capture-recapture survival Ursus arctos
类型	Article
语种	英语
开放获取类型	gold
收录类别	SCI-E
WOS记录号	WOS:000689453800042
WOS关键词	BROWN BEAR ; GRIZZLY BEARS ; GENETIC-VARIATION ; NATIONAL-PARK ; BODY-SIZE ; POPULATION ; DENSITY ; SELECTION ; BLACK ; CONSERVATION
WOS类目	Ecology
WOS研究方向	Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/363047
作者单位	[Tumendemberel, Odbayar; Zedrosser, Andreas; Rosell, Frank] Univ South Eastern Norway, Dept Nat Sci & Environm Hlth, Bo I Telemark, Norway; [Tebbenkamp, Joel M.; Blomberg, Erik J.] Univ Maine, Dept Wildlife Fisheries & Conservat Biol, Orono, ME USA; [Zedrosser, Andreas] Univ Nat Resources & Life Sci, Inst Wildlife Biol & Game Management, Vienna, Austria; [Proctor, Michael F.] Birchdale Ecol, Kaslo, BC, Canada; [Morin, Dana J.] Mississippi State Univ, Dept Wildlife Fisheries & Aquaculture, Mississippi State, MS 39762 USA; [Reynolds, Harry V.] Gobi Bear Fund Inc, Fairbanks, AK USA; [Adams, Jennifer R.; Waits, Lisette P.] Univ Idaho, Dept Fish & Wildlife Sci, Moscow, ID 83843 USA
推荐引用方式 GB/T 7714	Tumendemberel, Odbayar,Tebbenkamp, Joel M.,Zedrosser, Andreas,et al. Long-term monitoring using DNA sampling reveals the dire demographic status of the critically endangered Gobi bear[J],2021,12(8).
APA	Tumendemberel, Odbayar.,Tebbenkamp, Joel M..,Zedrosser, Andreas.,Proctor, Michael F..,Blomberg, Erik J..,...&Waits, Lisette P..(2021).Long-term monitoring using DNA sampling reveals the dire demographic status of the critically endangered Gobi bear.ECOSPHERE,12(8).
MLA	Tumendemberel, Odbayar,et al."Long-term monitoring using DNA sampling reveals the dire demographic status of the critically endangered Gobi bear".ECOSPHERE 12.8(2021).