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首页> 外文期刊>Southeastern naturalist >Reciprocal Intraguild Predation between Alligator mississippiensis (American Alligator) and Elasmobranchii in the Southeastern United States
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Reciprocal Intraguild Predation between Alligator mississippiensis (American Alligator) and Elasmobranchii in the Southeastern United States

机译：鳄鱼密西西比人（美国鳄鱼）与美国东南部的Elasmobranchii之间的互惠intrazuild捕食

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摘要

The food habits and predatory interactions of Alligator mississippiensis (American Alligator) have been thoroughly studied within populations inhabiting inland freshwater ecosystems; however, it is increasingly evident that coastal populations habitually forage in estuarine and nearshore marine ecosystems inhabited by other top predators. While few studies have been performed, data reported thus far from marine-foraging populations indicate individuals chiefly consume small-bodied prey such as crustaceans, fish, and wading birds. Nonetheless, capture and consumption of large-bodied marine prey such as multiple species of sea turtles and a single species of Elasmobranchii (sharks and rays) have been documented. Here, we examine evidence regarding reciprocal intraguild predation between American Alligators and elasmobranchs. We provide the first evidence of American Alligator depredation of 4 Elasmobranchii species and review putative evidence for Elasmobranchii depredation of American Alligators. We discuss the ecological significance of these interactions, draw comparisons to similar interactions experienced by other crocodilians, and recommend further avenues for research on the subject.
机译：None

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  • 来源
    《Southeastern naturalist》 |2017年第3期|共14页
  • 作者

    Nifong James C.; Lowers Russell H.;

  • 作者单位

    Kansas State Univ Div Biol Kansas Cooperat Fish &

    Wildlife Res Unit 104 Ackert Hall Manhattan KS 66506 USA;

    Integrated Mission Support Serv Mail Code IM-300 Kennedy Space Ctr FL 32899 USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 自然地理学;
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