Chemical cues affecting recruitment and juvenile habitat selection in marine versus freshwater systems
Chemical cues affecting recruitment and juvenile habitat selection in marine versus freshwater systems
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DOI：
10.1007/s10452-021-09905-x
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发表时间：
2021-10-09
期刊：
影响因子：
1.8
通讯作者：
Hay, Mark E.
中科院分区：
文献类型：
--
作者：
Bilodeau, Stephanie M.;Hay, Mark E.
海洋和淡水生态系统在持久性、规模、种群连通性以及它们所经历的物理和生物条件的差异方面各不相同。这些差异可能会选择不同的生殖模式，生活史，传播策略，和化学线索招聘行为。在海洋系统中，成体通常不太移动的，而幼虫则需要数小时至数周至数月的时间分散在浮游生物中，并可能移动很远的距离。正是这些未成熟的幼虫阶段，必须选择适当的招聘网站在海洋环境中。在淡水系统中，发育完全的成虫通常会分散到更远的地方，通常是成虫通过幼虫或受精卵的放置来确定幼鱼的招募地点。因此，在涉及化学线索的大规模生境选择方面，应选择成年阶段来检测大多数淡水物种的生境线索并作出反应，而在大多数海洋物种中，幼鱼应发挥这一作用。很少有研究评估这一假设，但不同的蚊子和青蛙的淡水生物的成年人关键的化学线索，以选择存放鸡蛋或幼虫的网站，而在海洋系统中的招聘化学线索主要发生在迄今为止调查的众多鱼类和海洋无脊椎动物的幼虫阶段。一般栖息地特征的线索，捕食者或竞争对手，以及特定的猎物或主机都被证明会影响招聘。在这里，我们回顾化学介导的招聘在海洋与淡水系统，总结什么是已知的，并提出未知的，可能是富有成效的调查。
Marine and freshwater ecosystems differ in persistence, size, population connectivity, and the variance in physical and biotic conditions they experience. These differences may select for differing reproductive modes, life histories, dispersal strategies, and chemically cued recruitment behaviors. In marine systems, adults are commonly less mobile, while larvae spend hours to weeks to months dispersing in the plankton and may move over great distances. It is these immature larval stages that must select appropriate recruitment sites in marine environments. In freshwater systems, the fully developed adults more commonly disperse over greater distances, and it is usually adults that determine juvenile recruitment sites via their placement of larvae or fertilized eggs. Thus, in terms of large-scale habitat choices involving chemical cuing, adult stages should be selected to detect and react to habitat cues among most freshwater species, while juveniles should play this role among most marine species. Few studies assess this hypothesis, but adults of freshwater organisms as different as mosquitoes and frogs do key on chemical cues to select sites for depositing eggs or larvae, while chemical cuing of recruitment in marine systems occurs primarily among the larval stages of the numerous fishes and marine invertebrates investigated to date. Cues to general habitat features, to predators or competitors, and to specific prey or hosts have all been shown to affect recruitment. Here, we review chemically mediated recruitment in marine versus freshwater systems, summarizing what is known and suggesting unknowns that may be productive to investigate.