Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1111/ele.13283 |
Dams have varying impacts on fish communities across latitudes: a quantitative synthesis | |
Turgeon, Katrine1,2,3; Turpin, Christian2; Gregory-Eaves, Irene1 | |
2019-09-01 | |
发表期刊 | ECOLOGY LETTERS
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ISSN | 1461-023X |
EISSN | 1461-0248 |
出版年 | 2019 |
卷号 | 22期号:9页码:1501-1516 |
文章类型 | Review |
语种 | 英语 |
国家 | Canada |
英文摘要 | Dams are recognised to impact aquatic biodiversity, but the effects and conclusions diverge across studies and locations. By using a meta-analytical approach, we quantified the effects of impoundment on fish communities distributed across three large biomes. The impacts of dams on richness and diversity differed across biomes, with significant declines in the tropics, lower amplitude but similar directional changes in temperate regions, and no changes in boreal regions. Our analyses showed that non-native species increased significantly in tropical and temperate regulated rivers, but not in boreal rivers. In contrast, temporal trajectories in fish assemblage metrics were common across regions, with all biomes showing an increase in mean trophic level position and in the proportion of generalist species after impoundment. Such changes in fish assemblages may affect food web stability and merit closer study. Across the literature examined, predominant mechanisms that render fish assemblages susceptible to impacts from dams were: (1) the transformation of the lotic environment into a lentic environment; (2) habitat fragmentation and (3) the introduction of non-native species. Collectively, our results highlight that an understanding of the regional context and a suite of community metrics are needed to make robust predictions about how fish will respond to river impoundments. |
英文关键词 | Biomes fish fluvial specialist hydroelectricity impoundment invasive meta-analysis reservoirs species assemblages trophic level position tropical |
领域 | 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000480601900017 |
WOS关键词 | FRESH-WATER BIODIVERSITY ; UPPER PARANA RIVER ; FOOD-CHAIN LENGTH ; ASSEMBLAGE STRUCTURE ; FLOW REGULATION ; ECOLOGICAL STRATEGIES ; ECOSYSTEM SERVICES ; LEVEL FLUCTUATIONS ; NATURAL BARRIER ; CLASS STRENGTH |
WOS类目 | Ecology |
WOS研究方向 | Environmental Sciences & Ecology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/186451 |
专题 | 资源环境科学 |
作者单位 | 1.McGill Univ, Dept Biol, 1205 Docteur Penfield Ave, Montreal, PQ H3A 1B1, Canada; 2.Hydroquebec Governance & Strateg Issues, 75 Rene Levesque, Montreal, PQ H2Z 1A4, Canada; 3.Univ Quebec Outaouais, Nat Sci Dept, 58 Rue Principale, Ripon, PQ J0V 1V0, Canada |
推荐引用方式 GB/T 7714 | Turgeon, Katrine,Turpin, Christian,Gregory-Eaves, Irene. Dams have varying impacts on fish communities across latitudes: a quantitative synthesis[J]. ECOLOGY LETTERS,2019,22(9):1501-1516. |
APA | Turgeon, Katrine,Turpin, Christian,&Gregory-Eaves, Irene.(2019).Dams have varying impacts on fish communities across latitudes: a quantitative synthesis.ECOLOGY LETTERS,22(9),1501-1516. |
MLA | Turgeon, Katrine,et al."Dams have varying impacts on fish communities across latitudes: a quantitative synthesis".ECOLOGY LETTERS 22.9(2019):1501-1516. |
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