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王陈路,曾小翠,沈佳琰,黄成.2015.不同地位克氏原螯虾对社会环境改变的行为反应.动物学杂志,50(4):555-562.
不同地位克氏原螯虾对社会环境改变的行为反应
Behavior Response of Dominant and Subordinate Crayfish to Social Context Change- a Larger Intruding Conspecific
投稿时间:2014-12-05  修订日期:2015-06-25
DOI:DOI: 10.13859/j.cjz.201504007
中文关键词:  等级秩序  社会环境  领域优先权  性别
英文关键词:Dominance hierarchy  Social context  Prior residence effects  Sexes
基金项目:国家自然科学基金委项目(No. NSFCJ1103512);江苏省农业科技自主创资金项目(No.CX(14)2077)
作者单位E-mail
王陈路 南京大学生命科学学院 dlctwcl@163.com 
曾小翠 浙江农林大学农业与食品科学学院  
沈佳琰 南京大学生命科学学院  
黄成 南京大学生命科学学院 huangcheng@nju.edu.cn 
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中文摘要:
      探究不同社会地位的亚成体克氏原螯虾(Procambarus clarkii)对利益的分配,以及对社会环境改变(体型较大的入侵同类)各自做出的行为反应。统计已确立等级序列的成对同性别螯虾对隐蔽所的占有情况,并视频拍摄同性别螯虾入侵时,入侵者及不同地位的原居者做出的格斗行为,分别统计格斗次数、格斗时间、首次攻击及被首攻对象多个参数。隐蔽所占有试验中:71%为优势者占有隐蔽所,7%为从属者占有,共占或共弃各11%。入侵—反入侵战斗试验中:1.雄性入侵者对两只原居虾之间的攻击选择显著差异,雌性显著选择与原优势者格斗;2.雄性优势者对入侵者和原从属者的攻击显著差异倾向,雌性则显著选择与入侵者格斗;3.雄性从属者显著选择与入侵者格斗,雌性从属者对入侵者和原优势者的攻击显著差异倾向。优势者优先占有资源;雌雄螯虾在入侵和面临入侵时有各自不同的策略;不同地位的螯虾在反入侵时行为反应也各有不同。
英文摘要:
      To study the distribution of benefits between dominant and subordinate subadult crayfish(Procambarus clarkii) and their behavior responses to social context change- a larger intruding conspecific, we set shelter in the box where the dyad lived and 3 days later noted the occupied number, then introduced a single larger crayfish to the pair of crayfish with established social ranks and taped 30 min behavior of the three. We found that in shelter occupation, 71% of the shelters were occupied by dominant, 7% were by subordinate, 11% were occupied by both and the rest 11% were empty. In intruding and anti-intruding fight, male intruder showed no difference in attacks versus dominant and subordinate, while female mostly chose to begin the fight with the dominant; male dominant had no significant tendency between intruder and initial subordinate, while female prefer to interact with intruder; male subordinate had more aggressions to intruder than to initial dominant, while female subordinate showed few combat and no difference between with intruder and initial dominant. Thus, dominant provide increased access to resources, male and female have different strategy intruding and being intruded, crayfishes with different status show different behavior responses being intruded.
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