Larval Dispersal: VENT LIFE IN THE WATER COLUMN
Larval Dispersal: VENT LIFE IN THE WATER COLUMN
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DOI：
10.5670/oceanog.2012.24
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发表时间：
2012-03-01
期刊：
影响因子：
2.8
通讯作者：
Govenar, Breea
中科院分区：
文献类型：
--
作者：
Adams, Diane K.;Arellano, Shawn M.;Govenar, Breea
视觉上引人注目的高丰度和生物量的动物群落聚集在热液喷口周围，但这些动物并不是一辈子都在海底度过的。相反，它们一生中有一部分时间是作为微小的幼虫在上面的水柱中度过的。幼虫在喷口之间的扩散对种群的维持、新喷口的定植以及被干扰的喷口的重新定植至关重要。从历史上看，研究幼虫一直具有挑战性，尤其是在深海中。在过去十年中，幼虫培养技术的进步和更综合、跨学科的时间序列观察为热液喷口动物如何利用水柱在短暂和分离的栖息地中维持其种群提供了新的见解。幼虫的生理和发育经常受到进化史的限制，导致幼虫使用不同的分散策略来与周围不同深度的水流相互作用。这些复杂的生物和海洋学相互作用将喷口群落中成虫的繁殖产出转化为来自远近来源的定居幼虫的动态供应。
Visually striking faunal communities of high abundance and biomass cluster around hydrothermal vents, but these animals don't spend all of their lives on the seafloor. Instead, they spend a portion of their lives as tiny larvae in the overlying water column. Dispersal of larvae among vent sites is critical for population maintenance, colonization of new vents, and recolonization of disturbed vents. Historically, studying larvae has been challenging, especially in the deep sea. Advances in the last decade in larval culturing technologies and more integrated, interdisciplinary time-series observations are providing new insights into how hydrothermal vent animals use the water column to maintain their populations across ephemeral and disjunct habitats. Larval physiology and development are often constrained by evolutionary history, resulting in larvae using a diverse set of dispersal strategies to interact with the surrounding currents at different depths. These complex biological and oceanographic interactions translate the reproductive output of adults in vent communities into a dynamic supply of settling larvae from sources near and far.