Coexistence, Coevolution and Convergent Evolution in Seabird Communities: A Comment

Coexistence, Coevolution and Convergent Evolution in Seabird Communities: A Comment
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海鸟群落中的共存、共同进化和趋同进化:评论

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发表时间:
1976
期刊:
影响因子:
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通讯作者:
J. Bédard
J. Bédard
中科院分区:
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文献类型:
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作者:
J. Bédard

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最近发表的一篇文章对北太平洋和北大西洋的两个海鸟(Alcidae)群落进行了批判性评论。空间隔离论证所依据的定量基础被证明充其量是虚无缥缈的。人们还质疑将北太平洋大型社区的一小部分(缺乏许多重要元素)与整个北大西洋社区进行比较是否合适。针对这些鸟类提出的生态隔离模型存在缺陷,无法充分描述所涉及鸟类群落组织的任何重要特征。
A recent article paralleling two seabird (Alcidae) communities of the North Pacific and the North Atlantic oceans is reviewed critically. The quantitative basis upon which the argument of spatial segregation is based is demonstrated to be ethereal at best. Doubts are also raised about the appropriateness of comparing a fragment of a large North Pacific com- munity, lacking many of its important elements, with an entire North Atlantic one. The model of ecological segregation proposed for these birds is burdened with shortcomings and cannot adequately describe any significant trait of the organization of the bird communities involved.