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Surrogacy of bird species in systematic conservation planning and conservation assessments in Yunnan Province,China

Journal of Mountain Science 2022年第10期19卷 2861-2873页

作者： ZHOU Jian YANG Fei-ling ZHONG Zi-jie ZHANG Ji LENG Xian YE Jin WU Rui-dong Conservation Biogeography Research Group Institute of International Rivers and Eco-securityYunnan UniversityKunming 650091China Yunnan Key Laboratory of International Rivers and Transboundary Eco-security Yunnan UniversityKunming 650091China

Bird diversity is often used as surrogates for other species diversity,but there is a limited understanding of the extent of this surrogate in identifying representative priority conservation areas(PCAs).We used Yunnan Province in China as a case to measure the surrogacy of birds in systematic conservation ***,we collected distribution records of mammals,amphibians,reptiles,and birds from public databases and literature,and applied systematic conservation planning methods to identify *** targeted four taxonomic groups at conservation targets of 17%,31%,and 50%of the total study area,and used the Jaccard similarity index to evaluate the surrogate extent of bird PCAs for the other three ***,we overlapped different portfolios of PCAs with six categories of protected areas(PAs)in Yunnan,calculated the protection rates,and evaluated the effect of sustainable-use PAs on improving the protection rate of strict Nature *** results showed that bird PCAs generally had the highest surrogacy for representing PCAs of the other three *** the 50%conservation target,the Jaccard indices between birds and the other taxa reached about ***,amphibian PCAs had a good surrogacy for conserving reptiles,with a Jaccard index of 0.30,0.44 and 0.51 at the 17%,31%and 50%conservation targets,*** existing PA system had quite low coverages for PCAs of these four taxa,and the average protection rates were 22.97%,19.78%and 16.52%at the three levels of conservation targets,*** sustainable-use PAs can greatly complement the strict Nature Reserves by achieving average increased PA coverages of 10.00%,9.20%and 7.90%at the three conservation *** findings provide a basis for surrogate-based conservation planning for areas with insufficient biodiversity information.

关键词： biodiversity surrogates Priority conservation areas Protected areas Systematic conservation planning Threatened species Yunnan

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