| Issue |
BIO Web Conf.
Volume 168, 2025
The 2nd International Seminar on Ocean Sciences and Sustainability (ISOSS 2024)
|
|
|---|---|---|
| Article Number | 04002 | |
| Number of page(s) | 20 | |
| Section | Sustainable Fisheries and Blue Economies | |
| DOI | https://doi.org/10.1051/bioconf/202516804002 | |
| Published online | 26 March 2025 | |
Fish community structure in the seagrass ecosystem of Tidung Besar Island, Seribu Islands
Department of Aquatic Resources Management, Faculty of Fisheries and Marine Sciences, Bogor Agricultural Institute, Bogor, 16680
* Corresponding author: onosulistiono@gmail.com
Seagrass plays an important role as a habitat for spawning, nurturing, protecting, and foraging marine biota such as fish. However, the fish community structure in the seagrass ecosystem of Tidung Besar Island has not been studied. This study aimed to analyze the structure of fish communities in the seagrass ecosystem of Tidung Besar Island during high- and low-tide conditions. Fish sampling was carried out for three months from October to December 2023 using gillnets with four different mesh sizes, lengths, and widths. The fish samples were analyzed in the laboratory. During the study, 1144 individuals were collected, consisting of 12 orders, 30 families, and 70 species. The fish composition was dominated by Dischistodus chrysopoecilus (white-spot damsel) at 612 Ind/m2. The abundance and dominance of species were higher at high tide, whereas species richness, diversity, and evenness were higher at low tide. Fish diversity on Tidung Besar Island is included in the medium category, with conditions that tend to be stable.
© The Authors, published by EDP Sciences, 2025
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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