The role of water management and river morphology on stranding pool formation

Benjankar, Rohan; Vidergar, Dmitri; Tonina, Daniele; Chen, Qiuwen

doi:10.1016/j.ecoleng.2023.107101

Cited by 1 publication

(1 citation statement)

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“…Stranding is mainly caused by changes in flow magnitude, known as ramping rates in dam operations (Le Coarer et al, 2022;Poff et al, 1997). However, the potential for fish stranding also depends on factors such as fish species and their life stages, stream temperature, and the time of the day, and thus fish stranding may be site specific (Auer et al, 2022;Benjankar et al, 2023;Glowa et al, 2022). In newly constructed reservoirs, the decomposition of organic matter can provide more bait, and thus omnivorous fishes can increase in the short term (Bunn & Arthington, 2002;Junk et al, 2013).…”

Section: Alterations To River Hydrological Regimesmentioning

confidence: 99%

River Damming Impacts on Fish Habitat and Associated Conservation Measures

Chen,

Li,

Lin

et al. 2023

Reviews of Geophysics

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River damming has brought great benefits to flood mitigation, energy and food production, and will continue to play a significant role in global energy supply, particularly in Asia, Africa, and South America. However, dams have extensively altered global river dynamics, including riverine connectivity, hydrological, thermal, sediment and solute regimes, and the channel morphology. These alterations have detrimental effects on the quality and quantity of fish habitat and associated impacts on aquatic life. Indeed, dams have been implicated in the decline of numerous fishes, emphasizing the need for effective conservation measures. Here, we present a global synthesis of critical issues concerning the impacts of river damming on physical fish habitats, with a particular focus on key fish species across continents. We also consider current fish conservation measures and their applicability in different contexts. Finally, we identify future research needs. The information presented herein will help support sustainable dam operation under the constraints of future climate change and human needs.

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