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首页> 外文期刊>Marine biology >Mating system of the burrowing crab Neohelice granulata (Brachyura: Varunidae) in two contrasting environments: effect of burrow architecture
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Mating system of the burrowing crab Neohelice granulata (Brachyura: Varunidae) in two contrasting environments: effect of burrow architecture

机译：两种相反环境中的穴居蟹新鳞片目（Brachyura：Varunidae）的交配系统：穴居结构的影响

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摘要

Few studies conducted in crustaceans have demonstrated how habitat features could shape the mating systems. Here, the burrow of Neohelice granulata was considered as a resource used for mating, and its architecture was characterized in two contrasting study sites: Mar Chiq-uita Lagoon (MCL), an estuary composed of muddy sediments, and San Antonio Oeste (SAO), a marine bay composed of gravel sediment. Burrow features differed between study sites and occupant gender. Large males constructed burrows with a chamber in MCL and with a widened entrance in SAO, while small males constructed the same narrow burrows as females at both study sites. Field experiments demonstrated that burrows with chambers or widened entries are places used for copulation, although successful post-copulatory guarding was displayed only in those with chambers. The intensity of the agonistic encounters and the success of males in winning resources (burrows/females) also depend on the habitat characteristics. N. granulata shows a resource defense mating system where males employ different mating strategies according to the burrow architecture to ensure mating success.
机译：在甲壳类动物中进行的研究很少能证明栖息地特征如何影响交配系统。在这里，新螺旋藻的洞穴被认为是用于交配的资源，其结构在两个对比的研究地点进行了表征：由泥质沉积物组成的河口Mar Chiq-uita泻湖（MCL）和圣安东尼奥·奥埃斯特（SAO） ，由砾石沉积物组成的海洋海湾。研究地点和居住者性别之间的洞穴特征有所不同。大型雄性在MCL中建造了一个带有腔室的洞穴，在SAO中扩宽了入口，而小型雄性在两个研究地点都建造了与雌性相同的狭窄洞穴。野外实验表明，有小室或扩大入口的洞穴是用于交配的地方，尽管仅在有小室的地方才显示出成功的交配后防护。激烈交锋的强度以及雄性在赢得资源（洞穴/雌性）方面的成功也取决于栖息地的特征。颗粒猪笼草显示了一种资源防御交配系统，其中雄性根据洞穴结构采用不同的交配策略，以确保交配成功。

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  • 来源
    《Marine biology》 |2012年第7期|1403-1416|共14页
  • 作者

    M. P. Sal Moyano; M. A. Gavio; T. A. Luppi;

  • 作者单位

    Instituto de Investigaciones Marinas y Costeras (IIMyC), Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET), Estacion Costera J.J. Nagera, Mar del Plata, Argentina,Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes, 3350, 7600 Mar del Plata, Argentina;

    Instituto de Investigaciones Marinas y Costeras (IIMyC), Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET), Estacion Costera J.J. Nagera, Mar del Plata, Argentina,Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes, 3350, 7600 Mar del Plata, Argentina;

    Instituto de Investigaciones Marinas y Costeras (IIMyC), Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET), Estacion Costera J.J. Nagera, Mar del Plata, Argentina,Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes, 3350, 7600 Mar del Plata, Argentina;

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