Articles | Volume 22, issue 18
https://doi.org/10.5194/bg-22-4763-2025
https://doi.org/10.5194/bg-22-4763-2025
Research article
 | 
17 Sep 2025
Research article |  | 17 Sep 2025

Benthic ostracod diversity and biogeography in an urban semi-enclosed eutrophic riverine bay

Jialu Huang, Moriaki Yasuhara, He Wang, Pedro Julião Jimenez, Jiying Li, and Minhan Dai

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Cited articles

Bowler, R. A., Yang, D. S. C., and Smith, A. J. E.: The pearl river estuary oyster industry in and around deep bay, Journal of the Hong Kong Branch of the Royal Asiatic Society, 24, 162–181, http://www.jstor.org/stable/23902772 (last access: 3 September 2025), 1984. 
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Chao, A., Kubota, Y., Zelený, D., Chiu, C. H., Li, C. F., Kusumoto, B., Yasuhara, M., Thorn, S., Wei, C.–L., Costello, M., and Colwell, R.: Quantifying sample completeness and comparing diversities among assemblages, Ecol. Res., 35, 292–314, https://doi.org/10.1111/1440-1703.12102, 2020. 
Cheung, R., Yasuhara, M., Iwatani, H., Wei, C.-L., and Dong, Y.: Benthic community history in the Changjiang (Yangtze River) mega-delta: Damming, urbanization, and environmental control, Paleobiology, 45, 1–15, https://doi.org/10.1017/pab.2019.21, 2019. 
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We investigated the abundance, diversity, composition, and distribution of ostracods (a meiobenthic group) and their interactions with eutrophication and pollution through high-resolution sampling of surface sediment in Deep Bay, a small semi-enclosed riverine bay adjacent to two of the world’s most populated cities: Hong Kong and Shenzhen. The results support the idea that ostracods are a useful bioindicator of coastal benthic ecosystems shaped by distinct environmental problems.
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