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首页> 外文期刊>Marine biology >Avoidance of feeding opportunities by the whelk Buccinanops globulosum in the presence of damaged conspecifics
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Avoidance of feeding opportunities by the whelk Buccinanops globulosum in the presence of damaged conspecifics

机译：在受损的同种生物存在的情况下，避免了球形小龙虾的觅食机会

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摘要

Feeding decisions under predation risk can be a key in the life of scavenger organisms, and tuned recognition of predation alarm cues and flexibility in the response are fundamental. The effect of injured conspecifics on the response behavior of the whelk Buccinanops globulosum to feeding opportunities was experimentally evaluated in a Patagonian Bay (40°45'S, 64°56'W, Argentina) in September 2010. The effect of sex, size, body condition, or starvation on anti-predatory behavior was assessed. The number of B. globulosum feeding on carrion was reduced by half when damaged conspecifics were present. Smaller, lighter, and starved individuals responded less to the presence of damaged conspecifics. These results indicate that, under natural conditions, feeding avoidance after detecting damaged conspecifics is a common and important anti-predatory strategy of B. globulosum and show that morphology and starvation are significant factors in the context of the trade-off between feeding and avoiding predation risk.
机译：在捕食风险下的喂养决策可能是清除生物生活中的关键，并且对捕食警报线索的协调识别和响应的灵活性至关重要。 2010年9月，在巴塔哥尼亚湾（40°45'S，64°56'W，阿根廷）中，通过实验评估了受伤的物种对鲸类Buccinanops globulosum对进食机会的反应行为的影响。性别，大小，身体状况的影响或对反掠夺行为的饥饿进行了评估。当存在损坏的同种时，以腐肉为食的球形芽孢杆菌的数量减少了一半。较小，较轻和饥饿的个体对受损特定物种的反应较少。这些结果表明，在自然条件下，检测到受损的物种后避免进食是B. globulosum常见且重要的反捕食策略，并表明形态和饥饿是在取食与避免捕食之间权衡的背景下的重要因素。风险。

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  • 来源
    《Marine biology》 |2012年第10期|p.2359-2365|共7页
  • 作者

    Pedro Daleo; Juan Alberti; Maria Soledad Avaca; Make Narvarte; Paulina Martinetto; Oscar Iribarne;

  • 作者单位

    Lab. Ecologia, Dpto. Biologia, Facultad de Ciencias Exactas y Naturales, Instituto de Investigaciones Marinas y Costeras (IIMyC), CONICET-UNMDP, Universidad Nacional de Mar del Plata, CC 573 Correo Central,B7600WAG Mar del Plata, Argentina,Consejo Nacional de Investigaciones Cientiricas y Tecnicas (CONICET), Buenos Aires, Argentina;

    Lab. Ecologia, Dpto. Biologia, Facultad de Ciencias Exactas y Naturales, Instituto de Investigaciones Marinas y Costeras (IIMyC), CONICET-UNMDP, Universidad Nacional de Mar del Plata, CC 573 Correo Central,B7600WAG Mar del Plata, Argentina,Consejo Nacional de Investigaciones Cientiricas y Tecnicas (CONICET), Buenos Aires, Argentina;

    Consejo Nacional de Investigaciones Cientiricas y Tecnicas (CONICET), Buenos Aires, Argentina,Instituto de Biologia Marina y Pesquera Almirante Storni,Gueemes 1030 (8520), San Antonio Oeste, Rio Negro, Argentina;

    Consejo Nacional de Investigaciones Cientiricas y Tecnicas (CONICET), Buenos Aires, Argentina,Instituto de Biologia Marina y Pesquera Almirante Storni,Gueemes 1030 (8520), San Antonio Oeste, Rio Negro, Argentina;

    Lab. Ecologia, Dpto. Biologia, Facultad de Ciencias Exactas y Naturales, Instituto de Investigaciones Marinas y Costeras (IIMyC), CONICET-UNMDP, Universidad Nacional de Mar del Plata, CC 573 Correo Central,B7600WAG Mar del Plata, Argentina,Consejo Nacional de Investigaciones Cientiricas y Tecnicas (CONICET), Buenos Aires, Argentina;

    Lab. Ecologia, Dpto. Biologia, Facultad de Ciencias Exactas y Naturales, Instituto de Investigaciones Marinas y Costeras (IIMyC), CONICET-UNMDP, Universidad Nacional de Mar del Plata, CC 573 Correo Central,B7600WAG Mar del Plata, Argentina,Consejo Nacional de Investigaciones Cientiricas y Tecnicas (CONICET), Buenos Aires, Argentina;

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