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
DOI:
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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
中科院分区:
文献类型:
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作者:
J. Bédard
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.