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Effects of climate change in the seas of China: Predicted changes in the distribution of fish species and diversity
Hu, W.; Du, J.; Su, S.; Tan, H.; Yang, W.; Ding, L.; Dong, P.; Yu, W.; Zheng, X.; Chen, B. (2022). Effects of climate change in the seas of China: Predicted changes in the distribution of fish species and diversity. Ecol. Indic. 134: 108489. https://dx.doi.org/10.1016/j.ecolind.2021.108489
In: Ecological Indicators. Elsevier: Shannon. ISSN 1470-160X; e-ISSN 1872-7034
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| Trefwoorden |
Pisces [WoRMS]
Marien/Kust |
| Author keywords |
Climate refuge; Marine fish; Species distribution model; Temporal beta diversity |
| Auteurs | | Top |
- Hu, W.
- Du, J.
- Su, S.
- Tan, H.
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- Yang, W.
- Ding, L.
- Dong, P.
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- Yu, W.
- Zheng, X.
- Chen, B.
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| Abstract |
Long-term habitat shifts in marine fishes under climate change have been discussed over the last few decades. However, there is still a limited understanding of how fish distribution and biodiversity patterns will change in the offshore areas of China over time. In the present study, the potential distributions of 21 important marine fishes under current conditions and two climate change scenarios up to the 2050 s were projected using the maximum entropy (MaxEnt) model. The predicted habitat shifts were further used to observe how future environmental changes would affect communities. By the 2050 s, nine out of 21 fish species may have reduced habitats, which were considered as potential loser species in adapting to climate change, while the other 12 fish species were considered as winner species. The habitats of 20 species were predicted to move northward, with a mean habitat centroid shifting distance from 110 to 206.5 km. A novel discovery is that the Yangtze River Estuary is probably a geographical barrier for the northward migration of some species. An asymmetry in the habitat range shift was observed within the study region, wherein the leading edge moved 1° faster than the trailing edge. The Beibu Gulf, Pearl River Estuary, Southwest Taiwan Strait, and Yangtze River Estuary were identified as fish refuges, indicating that large river estuaries and upwelling systems may have positive effects on reducing the vulnerability of biological communities to climate change. At the community level, species richness would be reduced at lower latitudes, while it would be increased at higher latitudes, and species turnover was the main component of temporal beta diversity. Our study provides an informative outlook on the impact of climate change on the distribution and biodiversity of marine fish species in China, supporting the adaptive conservation and management of fish habitats. |
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