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广东省穿山甲种群数量调查与资源蕴藏量

吴诗宝  马广智  唐玫  陈海  徐昭荣  刘迺发   

  1. 兰州大学生命科学学院
  • 出版日期:2005-07-12 发布日期:2008-07-07

THE POPULATION AND DENSITY OF PANGOLIN IN DAWULING NATURAL RESERVE AND THE NUMBER OF PANGOLIN RESOURCE IN GUANGDONG PROVINCE

WU Shibao1 ,2 MA Guangzhi3 TANGMei3 CHEN Hai4 XU Zhaorong5 LIU Naifa1   

  • Online:2005-07-12 Published:2008-07-07

摘要: 2000 年12 月至2001 年3 月, 利用“洞口记数法”对大雾岭自然保护区穿山甲华南亚种的种群密度与种群数量进行了调查, 结果表明: 保护区内穿山甲的种群数量为65.27~156.59 头, 平均密度为1.85~4.43 ind./ km2 ; 不同栖息生境穿山甲的种群平均密度为2.46~5.90 ind./ km2 , 密度大小依次为针阔混交林> 阔叶林> 灌木林> 针叶林。各栖息生境的洞口密度平均为51.39 ±18.31 个/ km2 , 以针阔混交林的洞口密度最大, 其次是阔叶林和灌木林, 最小的是针叶林, 且洞口密度大小存在极显著差异( F = 16.96 > F0.01 , 3/ 30 = 4.51> F0.01 , 3/ 36) 。根据保护区内穿山甲的密度值, 估计广东全省穿山甲的资源量为14 273.09±5 863.79 头。

关键词: 穿山甲, 种群数量, 种群密度, 大雾岭自然保护区, 广东省

Abstract: A survey was conducted between December 2000 and March 2001 on the population and density of Chinese pangolin (Manis pentadactyla aurita) in Dawuling Natural Reserve , Maoming , Guangdong Province , China. The results showed a population of 65.27 - 156.59 individuals with the average density of 1.85 - 4.43 ind./ km2 in this Reserve. The average pangolin density ranged 2.46 - 5.90 ind./ km2 in different habitats in the following order :mixed coniferous and broadleaf forest (9.00 - 15.08 ind./ km2) > evergreen broadleaf forest (3.48 - 7.36 ind. /km2) > shrub (1.78 - 5.46 ind. / km2) > coniferous forest (0.10 - 2.32 ind./ km2 ) . The mean density of burrows in different habitats was 51.39 burrows/ km2 with the identical order as the pangolin density : mixed coniferous and broadleaf forest (111.11 burrows/ km2 ) > evergreen broadleaf forest (50.00 burrows/ km2 ) > shrub (33.34 burrows/ km2) , coniferous forest (11.11 burrows/ km2) . The difference in pangolin burrow density among habitats was highly significant at P < 0.01. According to the density of pangolin population in Dawuling Natural Reserve, it was estimated that a population of 14 273.09 ±5 863.79 individuals in guangdong Province.

Key words: Pangolin (Manis pentadactyla aurita), Population, Density, Dawuling Natural Reserve, Guangdong Province