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《Chinese Journal of Applied and Environmental Biology》 2004-04
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ASSESSMENT OF THREATENED STATUS OF CHINESE PANGOLIN (MANIS PENTADACTYLA)

WU Shibao 1,2**,LIU Naifa 2,ZHANG Yingmei 2 & MA Guangzhi 3 ( 1Zhanjiang Normal College, Zhanjiang, Guangdong 524048, China) ( 2School of Life Sciences, Lanzhou University, Lanzhou 730000, China) ( 3School of Life Sciences, South China Normal University, Guangzhou 510000, China)  
Chinese pangolins (Manis pentadactyla) mainly distribute in the south of the Yangtze River, China, and only a few are found in the countries bordering Guangxi and Yunnan provinces of China. Some information of its threatened status is given in this paper. Nineteen factors threatening this species survival were used to assess its threatened status, and the attributes of these factors were known from published information and the findings of this study. Each of the factors was given a score on the basis of the potential to cause this species risk in survival, ranging from a maximum of 5 (risk is highest) to 0 (no impact). The overall threatening index (T i) is the summed scores of all factors divided by the total possible scores. The results show that Chinese pangolin belongs to susceptible species due to its taxonomic uniqueness (monotypic order, family and genus), food specialization and stenophagy (only eating several species of ants and termites), very low reproductive rate (usually one cub per litter, one litter per year), and strict requirement for habitat and very poor defense (moving slowly, shy, curling up into a ball when threatened). The potential extinction risk for this animal is very high. The high threatening index (T i = 0.694 7) suggests that this species in high threatened situation and has become a endangered species. The most key external threatening factors of this species are over hunting,utilization and rampant smuggling occurring at the border between China and Viet Nam, owing to its rare value in medicine and food. The second is the loss, alteration and insularity of its habitat, and fragmented population distribution pattern. Now Chinese pangolin is very rare both in China and in the countries close to China. The estimated population number has decreased by 88.88%~94.12 % since the end of the 1960′s. The population density in habitat has declined to 0.001 134~0.056 individual per square kilometer. The high hunting pressure, habitat loss, alteration and insularity, and rampant smuggling will continue, so the threatened status of this species will become more serious, the potential extinction risk will also rise increasingly. To prevent the increasing threatened situation of Chinese pangolin, the most important task at present is to relieve hunting pressure, protect available habitat and crack down smuggling of pangolins. According to the threatened species categories and criteria used in IUCN red list (version 3.1), China Red Data Book of Endangered Animals, CITES Appendix Species and National Importance Protected Animals List in China, Chinese pangolin should be moved up to Endangered categories from Vulnerable categories in China Red Data Book of Endangered Animals and from Lower Risk, near threatened categories in IUCN Red List, and also should be shifted to Appendix Ⅰ from CITES Appendix Ⅱ, and to the List of Rank Ⅰ from the List of the Rank Ⅱ National Importance Protected Animals in China. Fig 3, Tab 1, Ref 40
【Fund】: 中国野生动物保护协会资助项目 (中动协秘 [2 0 0 2 ]第 0 5号 );; 中国药用濒危野生动物保护战略研究课题组资助项目 (课题准字[2 0 0 1 ]第 0 1号 )~~
【CateGory Index】: S863
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1 YANG Li,SU Chao,ZHANG Fu-hua,WU Shi-bao,MA Guang-zhi(School of Life Science,South China Normal University,Guangzhou 510631,China);Age Structure and Parasites of Malayan Pangolin(Manis javanica)[J];Journal of Economic Animal;2010-01
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【Co-citations】
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1 CHENG Fang-xu et al (College of Pharmacy,Southwest Jiaotong University,Emei,Sichuan 614202);Research Progress on the Production and Quality Control of Polygonum multiflorum Thunb.Resources[J];Journal of Anhui Agricultural Sciences;2008-04
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Chinese Journal Full-text Database 4 Hits
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