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首页> 外文期刊>ICES Journal of Marine Science >The nocturnal zonation of decapods in the subtidal zone within the reef seascape-abiotic factors defining habitats
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The nocturnal zonation of decapods in the subtidal zone within the reef seascape-abiotic factors defining habitats

机译：珊瑚礁海景非生物因素在潮间带下的十足动物的夜间区域划分

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摘要

The relationship between populations of marine organisms and physicochemical gradients directly influence distributions of species within associated seascapes. This study examines the impact that exposure to sunlight and substrate type has on the distribution of decapods in a tropical coastal reef environment. The study was performed at night when the species are at their most active using a visual census methodology to observe the natural nocturnal behaviour. The research revealed the existence of three distinct habitats housing specific decapod assemblages within tropical hard substrate environments; the External-Reef habitat which accommodates colonial benthic host decapods; the Crevicular-Reef habitat which accommodates the reef-stygofauna; and the Interface habitat between the reef and soft substrate which is habituated by transient decapod species. The findings extend the previous zonation patterns for decapods to the subtidal zone using physical parameters as the rationale defining allocation. The study collated and reviewed documented taxonomic and ecological evidence which supports this division of decapods into similar reef seascapes worldwide. It further proposes that this format of subtidal zonation may be applicable on a global scale to species which inhabit a comparable ecological niche within tropical zones.
机译：海洋生物种群与理化梯度之间的关系直接影响相关海景中物种的分布。这项研究研究了在热带沿海礁石环境中暴露于阳光和底物类型对十足动物分布的影响。这项研究是在夜晚进行的，该物种最活跃时使用视觉普查方法观察自然的夜间行为。研究发现，在热带硬质基质环境中，存在着三种不同的栖息地，它们具有特定的十足动物组合。外礁栖息地，可容纳殖民底栖寄主十足动物；容纳礁-stygofauna的轮礁生物栖息地；珊瑚礁和软基质之间的界面栖息地，它们被短暂的十足动物所栖息。研究结果使用物理参数作为定义分配的依据，将十足动物的先前分区模式扩展到了潮下带。该研究整理并审查了已记录的生物分类学和生态学证据，这些证据支持将十足动物划分为全球类似的礁石海景。它进一步提出，这种潮下带分区形式可在全球范围内适用于在热带区域内居住可比生态位的物种。

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