样线法和标志重捕法在鳄蜥种群数量调查中的应用比较

2015年7~8月,分别采用样线法和标志重捕法对广西大桂山自然保护区主要分布点的鳄蜥（Shinisaurus crocodilurus）种群数量进行调查。结果显示,利用样线法共发现鳄蜥58只,种群密度5.0只/km;标志重捕法共发现鳄蜥129只（其中有26只重复）,估算的种群数量为（162±59）只,种群密度（13.9±5.08）只/km,表明标志重捕法的调查结果优于样线法。由于鳄蜥的尾纹可以作为无损伤的个体标记,适合于开展标志重捕法调查,在鳄蜥的种群资源调查中,为得到更为准确的结果,应使用标记重捕法进行调查。...

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Published in野生动物学报 Vol. 38; no. 2; pp. 291 - 294
Main Author 阳春生 罗树毅 李钰慧 何家松 武正军
Format Journal Article
LanguageChinese
Published Editorial Department of Chinese Journal of Wildlife 2017
Subjects
标志重捕法
样线法
种群数量
鳄蜥
Online AccessGet full text
ISSN2310-1490

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Abstract 2015年7~8月,分别采用样线法和标志重捕法对广西大桂山自然保护区主要分布点的鳄蜥（Shinisaurus crocodilurus）种群数量进行调查。结果显示,利用样线法共发现鳄蜥58只,种群密度5.0只/km;标志重捕法共发现鳄蜥129只（其中有26只重复）,估算的种群数量为（162±59）只,种群密度（13.9±5.08）只/km,表明标志重捕法的调查结果优于样线法。由于鳄蜥的尾纹可以作为无损伤的个体标记,适合于开展标志重捕法调查,在鳄蜥的种群资源调查中,为得到更为准确的结果,应使用标记重捕法进行调查。
AbstractList 2015年7~8月,分别采用样线法和标志重捕法对广西大桂山自然保护区主要分布点的鳄蜥（Shinisaurus crocodilurus）种群数量进行调查。结果显示,利用样线法共发现鳄蜥58只,种群密度5.0只/km;标志重捕法共发现鳄蜥129只（其中有26只重复）,估算的种群数量为（162±59）只,种群密度（13.9±5.08）只/km,表明标志重捕法的调查结果优于样线法。由于鳄蜥的尾纹可以作为无损伤的个体标记,适合于开展标志重捕法调查,在鳄蜥的种群资源调查中,为得到更为准确的结果,应使用标记重捕法进行调查。
2015年7～8月,分别采用样线法和标志重捕法对广西大桂山自然保护区主要分布点的鳄蜥(Shinisaurus crocodilurus)种群数量进行调查。结果显示,利用样线法共发现鳄蜥58只,种群密度5.0只/km; 标志重捕法共发现鳄蜥129只(其中有26只重复),估算的种群数量为(162±59)只,种群密度(13.9±5.08)只/km,表明标志重捕法的调查结果优于样线法。由于鳄蜥的尾纹可以作为无损伤的个体标记,适合于开展标志重捕法调查,在鳄蜥的种群资源调查中,为得到更为准确的结果,应使用标记重捕法进行调查。
Author 阳春生 罗树毅 李钰慧 何家松 武正军
AuthorAffiliation 广西大桂山鳄蜥国家级自然保护区,贺州542824 广西珍稀濒危动物生态学重点实验室,广西师范大学生命科学学院,桂林541004
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DocumentTitleAlternate Comparison of Line Transect Versus Mark- Recapture Methods for Estimating Population Size of Shinisaurus crocodilurus
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Notes We investigated the population size and the density of Chinese crocodile lizard （ Shini- saurus crocodilurus）using line transect and mark- recapture methods at the main distribution area of the species at Guangxi Daguishan Nature Reserve from July to August 2015. Using the line tran- sect method, we recorded 58 individual lizards and estimated density at 5 lizards/km2. Using the mark-recapture method, we recorded 129 individual lizards, of which 26 individuals were recap- tured, and we estimated the population at 162 ±59 individuals and the density at 13. 9 ±5. 08 liz- ards/km2. We conclude that mark - recapture survey is more reliable than line transect survey. Since the tail pattern of Shinisaurus crocodilurus can be used as non - invasive marker, the spe- cies is suitable to survey by mark - recapture. The mark - recapture method proved reliable for es- timating population size and density of Shinisaurus crocodilurus.
Shinisaurus crocodilurus ; Line transect method; Mark - recapture ; Population
Yang Chunshe
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Snippet 2015年7~8月,分别采用样线法和标志重捕法对广西大桂山自然保护区主要分布点的鳄蜥（Shinisaurus crocodilurus）种群数量进行调查。结果显示,利用样线法共发现鳄蜥58只,种群...
2015年7～8月,分别采用样线法和标志重捕法对广西大桂山自然保护区主要分布点的鳄蜥(Shinisaurus crocodilurus)种群数量进行调查。结果显示,利用样线法共发现鳄蜥58只,种群...
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StartPage 291
SubjectTerms 标志重捕法
样线法
种群数量
鳄蜥
Title 样线法和标志重捕法在鳄蜥种群数量调查中的应用比较
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