{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,17]],"date-time":"2026-09-17T15:28:09Z","timestamp":1789658889411,"version":"4.0.1"},"reference-count":70,"publisher":"MDPI AG","issue":"18","license":[{"start":{"date-parts":[[2026,9,14]],"date-time":"2026-09-14T00:00:00Z","timestamp":1789344000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["32501437"],"award-info":[{"award-number":["32501437"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"award":["32501437"],"award-info":[{"award-number":["32501437"]}],"id":[{"id":"https:\/\/ror.org\/01h0zpd94","id-type":"ROR","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100010814","name":"Key Project of Anhui Provincial Department of Education","doi-asserted-by":"publisher","award":["2023AH052248"],"award-info":[{"award-number":["2023AH052248"]}],"id":[{"id":"10.13039\/501100010814","id-type":"DOI","asserted-by":"publisher"}]},{"award":["2023AH052248"],"award-info":[{"award-number":["2023AH052248"]}],"id":[{"id":"https:\/\/ror.org\/012m7k033","id-type":"ROR","asserted-by":"publisher"}]},{"name":"Doctoral Research Initiation Fund of Suzhou University","award":["2023BSK007"],"award-info":[{"award-number":["2023BSK007"]}],"id":[{"id":"https:\/\/ror.org\/02bz8aa76","id-type":"ROR","asserted-by":"crossref"}]},{"award":["2023BSK007"],"award-info":[{"award-number":["2023BSK007"]}],"id":[{"id":"https:\/\/ror.org\/02bz8aa76","id-type":"ROR","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100002858","name":"China Postdoctoral Science Foundation funded project","doi-asserted-by":"publisher","award":["2023M743728"],"award-info":[{"award-number":["2023M743728"]}],"id":[{"id":"10.13039\/501100002858","id-type":"DOI","asserted-by":"publisher"}]},{"award":["2023M743728"],"award-info":[{"award-number":["2023M743728"]}],"id":[{"id":"https:\/\/ror.org\/0426zh255","id-type":"ROR","asserted-by":"publisher"}]},{"name":"Project for Technical Services on Water Conservation Fisheries Assessment at Wenzhou Shanxi Reservoir","award":["2022xhx262"],"award-info":[{"award-number":["2022xhx262"]}]},{"name":"Project for Technical Services on Assessing Spatiotemporal Distribution Characteristics of Zooplankton Communities in Shanxi Reservoir, Wenzhou","award":["2023xhx055"],"award-info":[{"award-number":["2023xhx055"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Animals"],"abstract":"<jats:p>Characterizing the spatiotemporal patterns of fish communities in subtropical river-type reservoirs provides useful baseline information for fisheries stewardship and aquatic ecosystem monitoring. This work investigated fish assemblages across 18 sampling sites within Shanxi Reservoir, Zhejiang Province, using an integrative approach combining gillnet surveys, hydroacoustic detection, and habitat parameter monitoring. Sampling was conducted during two periods: October 2022 (autumn, post-flood, fattening phase) and April 2023 (spring, normal water level, spawning phase). A total of 22 species were documented in spring and 21 in autumn, with Cyprinidae species predominating. Dominant species shifted seasonally, led by Hypophthalmichthys nobilis, Culter dabryi and Hemiculter leucisculus. Planktivores and carnivores were more abundant in spring, while omnivores increased in autumn. Spatially, fish populations were mainly concentrated in the shallow riverine zone (SRZ), predominantly comprising small- to medium-sized individuals. Mantel tests and Pearson correlation analyses identified associations between fish assemblage structure in the deep lake zone (DLZ) and environmental variables including dissolved oxygen, conductivity, chlorophyll a, and phytoplankton density and biomass. This study provides preliminary baseline data on fish community dynamics in Shanxi Reservoir and offers tentative observations that may help inform future zoned monitoring and ecological restoration planning.<\/jats:p>","DOI":"10.3390\/ani16182892","type":"journal-article","created":{"date-parts":[[2026,9,14]],"date-time":"2026-09-14T13:05:26Z","timestamp":1789391126000},"page":"2892","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Identifying Key Factors Associated with the Spatiotemporal Dynamics of Fish Assemblages in Subtropical River-Type Reservoir Ecosystems: Implications for Fishery Management and Conservation"],"prefix":"10.3390","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0762-898X","authenticated-orcid":false,"given":"Chengjie","family":"Yin","sequence":"first","affiliation":[{"name":"School of Resources and Environmental Engineering, Suzhou University, Suzhou 234000, China"},{"name":"National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China"}],"role":[{"vocabulary":"crossref","role":"author"},{"role":"conceptualization","vocabulary":"credit"},{"role":"methodology","vocabulary":"credit"},{"role":"software","vocabulary":"credit"},{"role":"formal-analysis","vocabulary":"credit"},{"role":"investigation","vocabulary":"credit"},{"role":"data-curation","vocabulary":"credit"},{"role":"writing-original-draft","vocabulary":"credit"},{"role":"funding-acquisition","vocabulary":"credit"}]},{"given":"Rongzhen","family":"Zhang","sequence":"additional","affiliation":[{"name":"Wenzhou Shanxi Hydro-Junction Management Center, Wenzhou 325035, China"}],"role":[{"vocabulary":"crossref","role":"author"},{"role":"methodology","vocabulary":"credit"},{"role":"software","vocabulary":"credit"},{"role":"investigation","vocabulary":"credit"},{"role":"writing-original-draft","vocabulary":"credit"}]},{"given":"Zewen","family":"Feng","sequence":"additional","affiliation":[{"name":"Wenzhou Shanxi Hydro-Junction Management Center, Wenzhou 325035, China"}],"role":[{"vocabulary":"crossref","role":"author"},{"role":"software","vocabulary":"credit"},{"role":"formal-analysis","vocabulary":"credit"},{"role":"investigation","vocabulary":"credit"}]},{"given":"Xiaoning","family":"Shi","sequence":"additional","affiliation":[{"name":"Taishun Ecological Environmental Monitoring Station, Wenzhou Bureau of Ecology and Environment Taishun Branch, Wenzhou 325500, China"}],"role":[{"vocabulary":"crossref","role":"author"},{"role":"formal-analysis","vocabulary":"credit"},{"role":"investigation","vocabulary":"credit"},{"role":"data-curation","vocabulary":"credit"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5571-5386","authenticated-orcid":false,"given":"Renhui","family":"Li","sequence":"additional","affiliation":[{"name":"National and Local Joint Engineering Research Center of Ecological Treatment Technology for Urban Water Pollution, Zhejiang Provincial Key Laboratory for Water Environment and Marine Biological Resources Protection, College of Life and Environmental Sciences, Wenzhou University, Wenzhou 325035, 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