期刊
MARINE ENVIRONMENTAL RESEARCH
卷 170, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.marenvres.2021.105442
关键词
Core species; Life history traits; Fish assemblage; Beta diversity; Habitat heterogeneity; Specialist; Habitat-use
资金
- Sasakawa Scientific Research Grant from The Japan Science Society [27-706]
- Research Fellowships of the Japan So-ciety for the Promotion of Science (JSPS) and JSPS KAKENHI Grant [JP16J07695]
- University of the Ryukyus
Research suggests that the ecological functions of soft-sediment tidepools for fish are influenced by topography and biological characteristics of species, with landward tidepools being suitable for resident species and seaward tidepools being important for transient species, resulting in an inverse trend in diversity between different topographic types.
Fish communities inhabiting soft-sediment areas are representative conservation targets for coastal habitats, but how the ecological function of soft-sediment tidepools drives diversity is still unknown. To tackle this issue, the ecological functions of soft-sediment tidepools for fishes according to topographic types (open and closed habitats) on Okinawa-jima Island, located in subtropical Japan, were examined in diversity, species composition, and lifestyle (resident and transient species). Landward tidepools serve as permanent habitat for specialists, whereas seaward tidepools are more important for transient species as temporal habitats, which shaped the inverse trend in alpha- and beta-diversity between topographic types, depending on the habitat heterogeneity and the biological characteristics of resident and transient species. We propose a strategy for the conservation and management of topographically distinct intertidal habitats, basically as a single set, while also considering the ecological functions with spatial nuances at smaller scales within coastal landscapes.
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