Spatial and temporal variation of fish assemblages in a subtropical small stream of the Huangshan Mountain

Fish assemblages in the Puxi Stream, a subtropical small stream within Mount Huangshan, exhibit significant spatial variation but not temporal variation. Species richness and abundance peak in August and decline towards February, with notable differences among upper, middle, and lower stream groups. Habitat factors such as elevation, substrate, and flow velocity contribute to these patterns, while dam construction does not significantly alter fish assemblages in adjacent or immediately downstream sites. Key species like S. curriculus, Z. platypus, R. bitterling, and A. fasciatus drive assemblage differences. The study suggests human disturbance may reduce diversity in lower reaches but finds no significant impact from low-head dams.

Yan, Y., He, S., Chu, L., Xiang, X., Jia, Y., Tao, J., & Chen, Y. (2010). Spatial and temporal variation of fish assemblages in a subtropical small stream of the Huangshan Mountain. Current Zoology, 56(6), 670–677. https://doi.org/10.1093/czoolo/56.6.670