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Population Dynamics of the Spotted Turtle, Clemmys guttata, on Carroll Island

机译：卡罗尔岛上斑点龟（Clemmys guttata）的种群动态

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The population dynamics and structure of the spotted turtle, Clemmys guttata, were studies from 1970 until 1982. Carroll Island was the site of chemical testing from post WW II until 1971. Special consideration was given to the impact upon the populations of turtles by the chemicals released on Carroll Island. Several findings are noteworthy. The number of juveniles on the island has steadily declined over the 12 years of sampling. The current (1982) population is half of that estimated for 1972-73. The proportion of females dropped as low as 0.25 of the population. Four possible hypotheses are delivered to explain the observations. The most likely explanations are that a temperature anomaly or natural catastrophe dramatically reduced the proportion of females present. At the same time the population of turtles overshot the carrying capacity of the environment after cessation of an artificial or natural constraint.

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作者
Landis, W. G.; Johnson, D. W.; Infiesto, B.; Lamb, M. C.; Haley, M. V.;
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年度 1983
页码 p.1-18
总页数 18
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Turtles; Population; Chemicals; Sampling; Islands; Dynamics; Statistical data; Sites; Test methods;

机译：海龟;人口;化学品;取样;群岛;动态;统计数据;地点;试验方法;

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2. Demography of an island population of Spotted Turtles (Clemmys guttata) at the species' northern range limit [J] . Reeves Dan J., Litzgus Jacqueline D. Northeastern Naturalist . 2008,第3期

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3. Size and Structure of Two Populations of Spotted Turtle ( Clemmys guttata ) at Its Western Range Limit [J] . Christina Y. Feng, David Mauger, Jason P. Ross, Herpetological Conservation and Biology . 2019,第3期

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5. Inter-nesting distribution of green turtles (Chelonia mydas) and flatback turtles (Natator depressus) at the Lacepede Islands, Western Australia [C] . D A Waayers, L M Smith, B E Malseed Symposium on Kimberley marine and coastal science . 2011

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6. Habitat selection, foraging ecology, and maternal investment in a Lake Huron population of spotted turtles (Clemmys guttata): Implications for conservation and management. [D] . Rasmussen, Megan L. 2009

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9. Population Dynamics of the Spotted Turtle, Clemmys guttata, on Carroll Island. [R] . Landis, W. G., Johnson, D. W., Infiesto, B., 1983

机译：卡罗尔岛上斑点龟（Clemmys guttata）的种群动态。

Population Dynamics of the Spotted Turtle, Clemmys guttata, on Carroll Island

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