Control of Hydraulic Load on Bacterioplankton Diversity in Cascade Hydropower Reservoirs, Southwest China
Hydroelectric reservoirs are highly regulated ecosystems, where the understanding on bacterioplankton has been very limited so far. In view of significant changes in river hydrological conditions by dam construction, hydraulic load (i.e., the ratio of mean water depth to water retention time) was as...
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| Veröffentlicht in: | Microbial ecology 2020-10, Vol.80 (3), p.537-545 |
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| creator | Yang, Meiling Shi, Jie Wang, Baoli Xiao, Jing Li, Wanzhu Liu, Cong-Qiang |
| description | Hydroelectric reservoirs are highly regulated ecosystems, where the understanding on bacterioplankton has been very limited so far. In view of significant changes in river hydrological conditions by dam construction, hydraulic load (i.e., the ratio of mean water depth to water retention time) was assumed to control bacterioplankton diversity in cascading hydropower reservoirs. To evaluate this hypothesis, we investigated bacterioplankton composition and diversity using high-throughput sequencing and related environmental variables in eleven reservoirs on the Wujiang River, Southwest China. Our results showed a decrease of bacterioplankton diversity index with an increase of reservoir hydraulic load. This is because hydraulic load governs dissolved oxygen variation in the water column, which is a key factor shaping bacterioplankton composition in these hydroelectric reservoirs. In contrast, bacterioplankton abundance was mainly affected by nutrient-related environmental factors. Therefore, from a hydrological perspective, hydraulic load is a decisive factor for the bacterioplankton diversity in the hydroelectric reservoirs. This study can improve the understanding of reservoir bacterial ecology, and the empirical relationship between hydraulic load and bacterioplankton diversity index will help to quantitatively evaluate ecological effects of river damming. |
| doi_str_mv | 10.1007/s00248-020-01523-8 |
| format | Article |
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In view of significant changes in river hydrological conditions by dam construction, hydraulic load (i.e., the ratio of mean water depth to water retention time) was assumed to control bacterioplankton diversity in cascading hydropower reservoirs. To evaluate this hypothesis, we investigated bacterioplankton composition and diversity using high-throughput sequencing and related environmental variables in eleven reservoirs on the Wujiang River, Southwest China. Our results showed a decrease of bacterioplankton diversity index with an increase of reservoir hydraulic load. This is because hydraulic load governs dissolved oxygen variation in the water column, which is a key factor shaping bacterioplankton composition in these hydroelectric reservoirs. In contrast, bacterioplankton abundance was mainly affected by nutrient-related environmental factors. Therefore, from a hydrological perspective, hydraulic load is a decisive factor for the bacterioplankton diversity in the hydroelectric reservoirs. This study can improve the understanding of reservoir bacterial ecology, and the empirical relationship between hydraulic load and bacterioplankton diversity index will help to quantitatively evaluate ecological effects of river damming.</description><identifier>ISSN: 0095-3628</identifier><identifier>EISSN: 1432-184X</identifier><identifier>DOI: 10.1007/s00248-020-01523-8</identifier><identifier>PMID: 32462390</identifier><language>eng</language><publisher>New York: Springer Science + Business Media</publisher><subject>Bacterial Physiological Phenomena ; Bacterioplankton ; Biomedical and Life Sciences ; Cascading ; China ; Composition ; Dam construction ; Dissolved oxygen ; Ecological effects ; Ecology ; Environmental factors ; Geoecology/Natural Processes ; Hydraulic loading ; Hydraulics ; Hydroelectric power ; Hydrology ; Lakes - analysis ; Lakes - microbiology ; Life Sciences ; Microbial Ecology ; Microbiology ; MICROBIOLOGY OF AQUATIC SYSTEMS ; Microbiota - physiology ; Nanoplankton ; Nature Conservation ; Next-generation sequencing ; Plankton - physiology ; Reservoirs ; Retention time ; Rivers ; Water circulation ; Water column ; Water depth ; Water Quality/Water Pollution ; Water Supply</subject><ispartof>Microbial ecology, 2020-10, Vol.80 (3), p.537-545</ispartof><rights>Springer Science+Business Media, LLC, part of Springer Nature 2020</rights><rights>Springer Science+Business Media, LLC, part of Springer Nature 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c397t-971ffb7c02df331146b1179689d89034a3439e84736242dcaf10bf6ffef0ab553</citedby><cites>FETCH-LOGICAL-c397t-971ffb7c02df331146b1179689d89034a3439e84736242dcaf10bf6ffef0ab553</cites><orcidid>0000-0003-1437-6095</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/48740430$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/48740430$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,776,780,799,27903,27904,41467,42536,51298,57996,58229</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/32462390$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Yang, Meiling</creatorcontrib><creatorcontrib>Shi, Jie</creatorcontrib><creatorcontrib>Wang, Baoli</creatorcontrib><creatorcontrib>Xiao, Jing</creatorcontrib><creatorcontrib>Li, Wanzhu</creatorcontrib><creatorcontrib>Liu, Cong-Qiang</creatorcontrib><title>Control of Hydraulic Load on Bacterioplankton Diversity in Cascade Hydropower Reservoirs, Southwest China</title><title>Microbial ecology</title><addtitle>Microb Ecol</addtitle><addtitle>Microb Ecol</addtitle><description>Hydroelectric reservoirs are highly regulated ecosystems, where the understanding on bacterioplankton has been very limited so far. In view of significant changes in river hydrological conditions by dam construction, hydraulic load (i.e., the ratio of mean water depth to water retention time) was assumed to control bacterioplankton diversity in cascading hydropower reservoirs. To evaluate this hypothesis, we investigated bacterioplankton composition and diversity using high-throughput sequencing and related environmental variables in eleven reservoirs on the Wujiang River, Southwest China. Our results showed a decrease of bacterioplankton diversity index with an increase of reservoir hydraulic load. This is because hydraulic load governs dissolved oxygen variation in the water column, which is a key factor shaping bacterioplankton composition in these hydroelectric reservoirs. In contrast, bacterioplankton abundance was mainly affected by nutrient-related environmental factors. Therefore, from a hydrological perspective, hydraulic load is a decisive factor for the bacterioplankton diversity in the hydroelectric reservoirs. This study can improve the understanding of reservoir bacterial ecology, and the empirical relationship between hydraulic load and bacterioplankton diversity index will help to quantitatively evaluate ecological effects of river damming.</description><subject>Bacterial Physiological Phenomena</subject><subject>Bacterioplankton</subject><subject>Biomedical and Life Sciences</subject><subject>Cascading</subject><subject>China</subject><subject>Composition</subject><subject>Dam construction</subject><subject>Dissolved oxygen</subject><subject>Ecological effects</subject><subject>Ecology</subject><subject>Environmental factors</subject><subject>Geoecology/Natural Processes</subject><subject>Hydraulic loading</subject><subject>Hydraulics</subject><subject>Hydroelectric power</subject><subject>Hydrology</subject><subject>Lakes - analysis</subject><subject>Lakes - microbiology</subject><subject>Life Sciences</subject><subject>Microbial Ecology</subject><subject>Microbiology</subject><subject>MICROBIOLOGY OF AQUATIC SYSTEMS</subject><subject>Microbiota - physiology</subject><subject>Nanoplankton</subject><subject>Nature Conservation</subject><subject>Next-generation sequencing</subject><subject>Plankton - physiology</subject><subject>Reservoirs</subject><subject>Retention time</subject><subject>Rivers</subject><subject>Water circulation</subject><subject>Water column</subject><subject>Water depth</subject><subject>Water Quality/Water Pollution</subject><subject>Water Supply</subject><issn>0095-3628</issn><issn>1432-184X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9kU1v1DAQhi0EokvhDyCBLHHhQGDscWL7COGjSCsh8SFxs5zEpl6y8WInrfbf4zalSBw4eWQ_7zueeQl5zOAlA5CvMgAXqgIOFbCaY6XukA0TyCumxPe7ZAOg6wobrk7Ig5x3AEw2HO-TE-SiFBo2JLRxmlMcafT07Dgku4yhp9toBxon-sb2s0shHkY7_ZzLxdtw4VIO85GGibY293Zw17p4iJcu0c8uu3QRQ8ov6Je4zOeXLs-0PQ-TfUjueTtm9-jmPCXf3r_72p5V208fPravt1WPWs6Vlsz7TvbAB4_ImGg6xqRulB6UBhQWBWqnhCxzCT701jPofOO982C7usZT8nz1PaT4ayntzT7k3o1lBBeXbLgAWSvkTBb02T_oLi5pKr8rlIAatZKqUHyl-hRzTs6bQwp7m46GgbkKwqxBmBKEuQ7CXIme3lgv3d4Nt5I_my8ArkAuT9MPl_72_q_tk1W1y3NMt65CSQECAX8Dewecyg</recordid><startdate>20201001</startdate><enddate>20201001</enddate><creator>Yang, Meiling</creator><creator>Shi, Jie</creator><creator>Wang, Baoli</creator><creator>Xiao, Jing</creator><creator>Li, Wanzhu</creator><creator>Liu, Cong-Qiang</creator><general>Springer Science + Business Media</general><general>Springer US</general><general>Springer Nature B.V</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QL</scope><scope>7SN</scope><scope>7T7</scope><scope>7U9</scope><scope>7X7</scope><scope>7XB</scope><scope>88A</scope><scope>88E</scope><scope>8AO</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>H94</scope><scope>H95</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>L.G</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M7N</scope><scope>M7P</scope><scope>P64</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>RC3</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0003-1437-6095</orcidid></search><sort><creationdate>20201001</creationdate><title>Control of Hydraulic Load on Bacterioplankton Diversity in Cascade Hydropower Reservoirs, Southwest China</title><author>Yang, Meiling ; Shi, Jie ; Wang, Baoli ; Xiao, Jing ; Li, Wanzhu ; Liu, Cong-Qiang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c397t-971ffb7c02df331146b1179689d89034a3439e84736242dcaf10bf6ffef0ab553</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Bacterial Physiological Phenomena</topic><topic>Bacterioplankton</topic><topic>Biomedical and Life Sciences</topic><topic>Cascading</topic><topic>China</topic><topic>Composition</topic><topic>Dam construction</topic><topic>Dissolved oxygen</topic><topic>Ecological effects</topic><topic>Ecology</topic><topic>Environmental factors</topic><topic>Geoecology/Natural Processes</topic><topic>Hydraulic loading</topic><topic>Hydraulics</topic><topic>Hydroelectric power</topic><topic>Hydrology</topic><topic>Lakes - 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Academic</collection><jtitle>Microbial ecology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yang, Meiling</au><au>Shi, Jie</au><au>Wang, Baoli</au><au>Xiao, Jing</au><au>Li, Wanzhu</au><au>Liu, Cong-Qiang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Control of Hydraulic Load on Bacterioplankton Diversity in Cascade Hydropower Reservoirs, Southwest China</atitle><jtitle>Microbial ecology</jtitle><stitle>Microb Ecol</stitle><addtitle>Microb Ecol</addtitle><date>2020-10-01</date><risdate>2020</risdate><volume>80</volume><issue>3</issue><spage>537</spage><epage>545</epage><pages>537-545</pages><issn>0095-3628</issn><eissn>1432-184X</eissn><abstract>Hydroelectric reservoirs are highly regulated ecosystems, where the understanding on bacterioplankton has been very limited so far. In view of significant changes in river hydrological conditions by dam construction, hydraulic load (i.e., the ratio of mean water depth to water retention time) was assumed to control bacterioplankton diversity in cascading hydropower reservoirs. To evaluate this hypothesis, we investigated bacterioplankton composition and diversity using high-throughput sequencing and related environmental variables in eleven reservoirs on the Wujiang River, Southwest China. Our results showed a decrease of bacterioplankton diversity index with an increase of reservoir hydraulic load. This is because hydraulic load governs dissolved oxygen variation in the water column, which is a key factor shaping bacterioplankton composition in these hydroelectric reservoirs. In contrast, bacterioplankton abundance was mainly affected by nutrient-related environmental factors. Therefore, from a hydrological perspective, hydraulic load is a decisive factor for the bacterioplankton diversity in the hydroelectric reservoirs. This study can improve the understanding of reservoir bacterial ecology, and the empirical relationship between hydraulic load and bacterioplankton diversity index will help to quantitatively evaluate ecological effects of river damming.</abstract><cop>New York</cop><pub>Springer Science + Business Media</pub><pmid>32462390</pmid><doi>10.1007/s00248-020-01523-8</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0003-1437-6095</orcidid></addata></record> |
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| subjects | Bacterial Physiological Phenomena Bacterioplankton Biomedical and Life Sciences Cascading China Composition Dam construction Dissolved oxygen Ecological effects Ecology Environmental factors Geoecology/Natural Processes Hydraulic loading Hydraulics Hydroelectric power Hydrology Lakes - analysis Lakes - microbiology Life Sciences Microbial Ecology Microbiology MICROBIOLOGY OF AQUATIC SYSTEMS Microbiota - physiology Nanoplankton Nature Conservation Next-generation sequencing Plankton - physiology Reservoirs Retention time Rivers Water circulation Water column Water depth Water Quality/Water Pollution Water Supply |
| title | Control of Hydraulic Load on Bacterioplankton Diversity in Cascade Hydropower Reservoirs, Southwest China |
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