首页|The contributions of primary sources to fauna and the trophic structure in tropical seagrass areas: A case study from Thai waters

The contributions of primary sources to fauna and the trophic structure in tropical seagrass areas: A case study from Thai waters

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  • Wiley
Seagrass provides habitat and resources for various organisms in coastal areas. However, the productivity of a seagrass meadow might vary by its size, which can influence the contribution of primary sources to fauna and the food web structure. This study uses stable isotopes to investigate the contribution of sources to faunas and the associated food web structure in two tropical seagrass meadows. The carbon (δ~(13)C) and nitrogen (δ~(15)N) stable isotopes of primary sources such as mangrove leaf, coastal and riverine particulate organic matter, seagrass material and associated fauna (fish, bivalves, gastropods, crab, shrimp) were investigated from samples collected seagrass meadows of different sizes, at Libong Island and Tharai Island in Thailand. The contribution of the primary sources to the fauna diet showed that seagrass material was the main food source for fauna in both sites. Moreover, the trophic niche did not overlap among the groups of each fauna guild, reflecting the support seagrass provides to resident fauna. The study emphasizes the important role of seagrass as a habitat and feeding ground in tropical coastal ecosystems.

seagrass in Thailandsources contribution and nichestable isotopetropical seagrass and fauna

yalap Tuntiprapas、Ken-ichi Hayashizaki、Anchana Prathep

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Seaweed and Seagrass Research Unit,Excellence Center for Biodiversity of Peninsular Thailand, Faculty of Science,Prince of Songkla University, Hat Yai,Songkhla, Thailand||Division of Biological Science,Department of Biology, Prince of Songkla niversity, Hat Yai, Songkhla, Thailand

School of Marine Biosciences, Kitasato University, Sagamihara, Kanagawa, Japan

2025

10.1111/1440-1703.12526

Ecological research

Ecological research

ISSN：0912-3814
年,卷(期)：2025.40(2)
  • 72