Fish assemblage responses to drought and the importance of deep pool as refugia.

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Key Points

This research aims to evaluate fish responses to drought and the characteristics of pools that serve as refugia.
Utilized an experimental river with adjustable flow to simulate drought conditions.
Conducted fish sampling at 12 pool locations during normal and drought periods.
Assessed changes in fish community structure and the impact of water depth.
During drought, fish abundance increased in deeper pools during spring and summer.
Species numbers remained stable, but community structures varied significantly between normal and drought conditions.
Deeper pools supported higher fish numbers, indicating their critical role as refugia during drought.

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Examines fish responses to drought in river pools, highlighting refugia importance.

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Matsuzawa et al. (2026) studied this question.

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