Cited by 9Fish Ecology and Management StudiesAquatic Ecosystems and BiodiversityFish Biology and Ecology Studies

Reservoir ecosystems support large pools of fish biomass

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Parisek, Christine A., De Castro, Francine A., Colby, Jordan D., Leidy, George R., Sadro, Steve, Rypel, Andrew L.·2024·Scientific Reports

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Abstract

Humans increasingly dominate Earth’s natural freshwater ecosystems, but biomass production of modified ecosystems is rarely studied. We estimate potential fish total standing stock in USA reservoirs is 3.4 billion (B) kg, and approximate annual secondary production is 4.5 B kg y −1 . We also observe varied and non-linear trends in reservoir fish biomass over time, thus previous assertions that reservoir fisheries decline over time are not universal. Reservoirs are globally relevant pools of freshwater fisheries, in part due to their immense limnetic footprint and spatial extent. This study further shows that reservoir ecosystems play major roles in food security and fisheries conservation. We encourage additional effort be expended to effectively manage reservoir environments for the good of humanity, biodiversity, and fish conservation.

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Authors
Parisek, C. A., De Castro, F. A., Colby, J. D., Leidy, G. R., Sadro, S., & Rypel, A. L.
Affiliations
  • University of California, Davis (US)
  • Aecom (United States) (US)
Corresponding author
Parisek, Christine A.
Venue
Scientific Reports
Published
2024-04-24
Volume
14
Issue
1
Pages
9428-9428
ISSN
2045-2322 (ISSN-L)
OpenAlex
W4395081908
Cited by
9
References
120
Citations by year
2026: 3 · 2025: 5 · 2024: 1
FWCI
2.70
Type
journal article
Language
en
Open access
Locations
  • Scientific Reports (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • eScholarship (California Digital Library) (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
  • UC Davis Center for Watershed Sciences’ Bechtel Next Generation Funds
  • National Science Foundation Grant (DEB-2225284)
  • Agricultural Experiment Station of the University of California (Project CA-D-WFB-2467-H)
  • California Trout and Peter B. Moyle Endowment for Coldwater Fish Conservation
Topics
  • Physical Sciences › Environmental Science › Nature and Landscape Conservation › Fish Ecology and Management Studies
  • Physical Sciences › Environmental Science › Ecology › Aquatic Ecosystems and Biodiversity
  • Life Sciences › Agricultural and Biological Sciences › Aquatic Science › Fish Biology and Ecology Studies
Keywords
reservoirs, fish biomass, secondary production, inland fisheries, fisheries decline, food security, fisheries conservation, reservoir management, fish conservation
MeSH terms
Animals, Conservation of Natural Resources, Fisheries, Fishes, Fresh Water, Humans, United States, Ecosystem, Biomass, Biodiversity

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