Is the population trend of the Bearded Vulture Gypaetus barbatus in Upper Mustang, Nepal, shaped by diclofenac?

被引:0
|
作者
Paudel, Khadananda [1 ,2 ]
Bhusal, Krishna P. [1 ]
Acharya, Raju [3 ]
Chaudhary, Anand [1 ,4 ]
Baral, Hem S. [5 ]
Chaudhary, Ishwari P. [1 ]
Green, Rhys E. [7 ,8 ]
Cuthbert, Richard J. [6 ]
Galligan, Toby H. [7 ]
机构
[1] Bird Conservat Nepal, POB 12465, Kathmandu, Nepal
[2] Kathmandu Univ, Dhulikhel, Kavreplanchowk, Nepal
[3] Friends Nat Nepal, POB 23491, Kathmandu, Nepal
[4] Baylor Univ, Inst Ecol Earth & Environm Sci, One Bear Pl 97205, Waco, TX 76798 USA
[5] Zool Soc London, POB 5867, Kathmandu, Nepal
[6] Conservat Solut, 9 Prospect Dr, Belper DE56 1UY, Derby, England
[7] RSPB, RSPB Ctr Conservat Sci, Sandy SG19 2DL, Beds, England
[8] Univ Cambridge, Dept Zool, Conservat Sci Grp, David Attenborough Bldg, Cambridge CB2 3QZ, England
来源
FORKTAIL | 2016年 / 32期
关键词
RED-HEADED VULTURE; EGYPTIAN VULTURE; GYPS VULTURES; DECLINES; RESIDUES;
D O I
暂无
中图分类号
Q95 [动物学];
学科分类号
071002 ;
摘要
The Bearded Vulture (or Lammergeier) Gypaetus barbatus has been uplisted to Near Threatened because of declines throughout most of its range. In Upper Mustang, Nepal, the species underwent a substantial decline between 2002 and 2008. Diclofenac poisoning, through the consumption of contaminated livestock carcasses, is a serious threat to a number of scavenging raptors in South Asia. It is not known whether Bearded Vultures are intolerant to diclofenac; however, the timing and magnitude of the decline in Upper Mustang parallel those seen in the population of Himalayan Griffons Gyps himalayensis and the populations of six other South Asian vulture species, most of which are known to be intolerant to diclofenac. In this study, we continued the Upper Mustang survey for Bearded Vultures and use generalised linear models to examine the population trend between 2002 and 2014. We confirm a substantial decline after 2004 and show that this trend continued, albeit at a slower rate, up to 2014. However, we also show that subpopulations in remote valleys did not decline. We suggest that these trends are a strong indication that Bearded Vultures are intolerant of diclofenac and that the biology of the species and additional targeted threats are limiting its recovery in Upper Mustang.
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收藏
页码:54 / 57
页数:4
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