Spatial and seasonal variations in the trophic spectrum of demersal fish assemblages in Jiaozhou Bay, China
Trophic structure offish communities is fundamental for ecosystem-based fisheries management, and trophic spectrum classifies fishes by their positions in food web, which provides a simple summary on the trophic structure and ecosystem function. In this study, both fish biomass and abundance trophic...
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| Veröffentlicht in: | Chinese journal of oceanology and limnology 2015-07, Vol.33 (4), p.934-944 |
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| description | Trophic structure offish communities is fundamental for ecosystem-based fisheries management, and trophic spectrum classifies fishes by their positions in food web, which provides a simple summary on the trophic structure and ecosystem function. In this study, both fish biomass and abundance trophic spectra were constructed to study the spatial and seasonal variations in the trophic structure of demersal fish assemblages in Jiaozhou Bay, China. Data were collected from four seasonal bottom trawl surveys in Jiaozhou Bay from February to November in 2011. Trophic levels （TLs） of fishes were determined by nitrogen stable isotope analysis. This study indicated that most of these trophic spectra had a single peak at trophic level （TL） of 3.4-3.7, suggesting that demersal fish assemblages of Jiaozhou Bay were dominated by secondary consumers （eg. Pholisfangi and Amblychaeturichthys hexanema）. The spatial and seasonal variations of trophic spectra of Jiaozhou Bay reflected the influence of fish reproduction, fishing pressure and migration of fishes. Two-way analysis of variance （ANOVA） showed that seasonal variations in trophic spectra in Jiaozhou Bay were significant （P〈0.05）, but variations among different areas were not significant （P〉0.05）. The trophic spectrum has been proved to be a useful tool to monitor the trophic structure of fish assemblages. This study highlighted the comprehensive application of fish biomass and abundance trophic spectra in the study on trophic structure offish assemblages. |
| doi_str_mv | 10.1007/s00343-015-4242-3 |
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In this study, both fish biomass and abundance trophic spectra were constructed to study the spatial and seasonal variations in the trophic structure of demersal fish assemblages in Jiaozhou Bay, China. Data were collected from four seasonal bottom trawl surveys in Jiaozhou Bay from February to November in 2011. Trophic levels （TLs） of fishes were determined by nitrogen stable isotope analysis. This study indicated that most of these trophic spectra had a single peak at trophic level （TL） of 3.4-3.7, suggesting that demersal fish assemblages of Jiaozhou Bay were dominated by secondary consumers （eg. Pholisfangi and Amblychaeturichthys hexanema）. The spatial and seasonal variations of trophic spectra of Jiaozhou Bay reflected the influence of fish reproduction, fishing pressure and migration of fishes. Two-way analysis of variance （ANOVA） showed that seasonal variations in trophic spectra in Jiaozhou Bay were significant （P〈0.05）, but variations among different areas were not significant （P〉0.05）. The trophic spectrum has been proved to be a useful tool to monitor the trophic structure of fish assemblages. This study highlighted the comprehensive application of fish biomass and abundance trophic spectra in the study on trophic structure offish assemblages.</description><identifier>ISSN: 0254-4059</identifier><identifier>ISSN: 2096-5508</identifier><identifier>EISSN: 1993-5005</identifier><identifier>EISSN: 2523-3521</identifier><identifier>DOI: 10.1007/s00343-015-4242-3</identifier><language>eng</language><publisher>Heidelberg: Science Press</publisher><subject>Abundance ; Bays ; Benthos collecting devices ; Biology ; Biomass ; Bottom trawling ; Demersal fish ; Earth and Environmental Science ; Earth Sciences ; Ecological function ; Fish ; Fish reproduction ; Fisheries ; Fisheries management ; Fishery management ; Fishing ; Fishing effort ; Food chains ; Food webs ; Isotopes ; Marine biology ; Migrations ; Oceanography ; Pholis ; Seasonal variation ; Seasonal variations ; Seasons ; Spectra ; Stable isotopes ; Structure-function relationships ; Trophic levels ; Trophic structure ; Variance analysis ; 中国 ; 季节变化 ; 生态系统功能 ; 稳定同位素分析 ; 空间 ; 胶州湾 ; 营养结构 ; 鱼类群落</subject><ispartof>Chinese journal of oceanology and limnology, 2015-07, Vol.33 (4), p.934-944</ispartof><rights>Chinese Society for Oceanology and Limnology, Science Press and Springer-Verlag Berlin Heidelberg 2015</rights><rights>Chinese Society for Oceanology and Limnology, Science Press and Springer-Verlag Berlin Heidelberg 2015.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c376t-69163dc607a9d32bcd087e21ae0b18272f582be7909e265f775fd7047fcab1283</citedby><cites>FETCH-LOGICAL-c376t-69163dc607a9d32bcd087e21ae0b18272f582be7909e265f775fd7047fcab1283</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/84119X/84119X.jpg</thumbnail><linktopdf>$$Uhttps://www.proquest.com/docview/1691969012/fulltextPDF?pq-origsite=primo$$EPDF$$P50$$Gproquest$$H</linktopdf><linktohtml>$$Uhttps://www.proquest.com/docview/1691969012?pq-origsite=primo$$EHTML$$P50$$Gproquest$$H</linktohtml><link.rule.ids>314,776,780,21367,27901,27902,33721,43781,74045</link.rule.ids></links><search><creatorcontrib>韩东燕 薛莹 任一平 麻秋云</creatorcontrib><title>Spatial and seasonal variations in the trophic spectrum of demersal fish assemblages in Jiaozhou Bay, China</title><title>Chinese journal of oceanology and limnology</title><addtitle>Chin. J. Ocean. Limnol</addtitle><addtitle>Chinese Journal of Oceanology and Limnology</addtitle><description>Trophic structure offish communities is fundamental for ecosystem-based fisheries management, and trophic spectrum classifies fishes by their positions in food web, which provides a simple summary on the trophic structure and ecosystem function. In this study, both fish biomass and abundance trophic spectra were constructed to study the spatial and seasonal variations in the trophic structure of demersal fish assemblages in Jiaozhou Bay, China. Data were collected from four seasonal bottom trawl surveys in Jiaozhou Bay from February to November in 2011. Trophic levels （TLs） of fishes were determined by nitrogen stable isotope analysis. This study indicated that most of these trophic spectra had a single peak at trophic level （TL） of 3.4-3.7, suggesting that demersal fish assemblages of Jiaozhou Bay were dominated by secondary consumers （eg. Pholisfangi and Amblychaeturichthys hexanema）. The spatial and seasonal variations of trophic spectra of Jiaozhou Bay reflected the influence of fish reproduction, fishing pressure and migration of fishes. Two-way analysis of variance （ANOVA） showed that seasonal variations in trophic spectra in Jiaozhou Bay were significant （P〈0.05）, but variations among different areas were not significant （P〉0.05）. The trophic spectrum has been proved to be a useful tool to monitor the trophic structure of fish assemblages. This study highlighted the comprehensive application of fish biomass and abundance trophic spectra in the study on trophic structure offish assemblages.</description><subject>Abundance</subject><subject>Bays</subject><subject>Benthos collecting devices</subject><subject>Biology</subject><subject>Biomass</subject><subject>Bottom trawling</subject><subject>Demersal fish</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Ecological function</subject><subject>Fish</subject><subject>Fish reproduction</subject><subject>Fisheries</subject><subject>Fisheries management</subject><subject>Fishery management</subject><subject>Fishing</subject><subject>Fishing effort</subject><subject>Food chains</subject><subject>Food webs</subject><subject>Isotopes</subject><subject>Marine biology</subject><subject>Migrations</subject><subject>Oceanography</subject><subject>Pholis</subject><subject>Seasonal variation</subject><subject>Seasonal variations</subject><subject>Seasons</subject><subject>Spectra</subject><subject>Stable isotopes</subject><subject>Structure-function relationships</subject><subject>Trophic levels</subject><subject>Trophic structure</subject><subject>Variance analysis</subject><subject>中国</subject><subject>季节变化</subject><subject>生态系统功能</subject><subject>稳定同位素分析</subject><subject>空间</subject><subject>胶州湾</subject><subject>营养结构</subject><subject>鱼类群落</subject><issn>0254-4059</issn><issn>2096-5508</issn><issn>1993-5005</issn><issn>2523-3521</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9kMFu1DAQQC0EEkvLB3Cz4MKBwNiO4_gIK9qCKnEAzpaTTDYuSZx6EqT26-t2K4Q4cLJsvTdjPcZeCXgvAMwHAlClKkDoopSlLNQTthPWqkID6KdsB1KXRQnaPmcviK4ybUuwO_br--LX4Efu544Teopzvvz2KeTnOBMPM18H5GuKyxBaTgu2a9omHnve4YSJMt4HGrgnwqkZ_QEfpK_Bx9shbvyTv3nH90OY_Sl71vuR8OXjecJ-nn3-sb8oLr-df9l_vCxaZaq1qKyoVNdWYLztlGzaDmqDUniERtTSyF7XskFjwaKsdG-M7jsDpelb3whZqxP29jh3SfF6Q1rdFKjFcfQzxo2cMGCFqeUD-uYf9CpuKSfIVP6HrSwImSlxpNoUiRL2bklh8unGCXD3-d0xv8v53X1-p7Ijjw5ldj5g-mvyf6TXj4uGOB-us_dnU1VppaSxUt0BkhKSqg</recordid><startdate>20150701</startdate><enddate>20150701</enddate><creator>韩东燕 薛莹 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trophic spectrum of demersal fish assemblages in Jiaozhou Bay, China</title><author>韩东燕 薛莹 任一平 麻秋云</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c376t-69163dc607a9d32bcd087e21ae0b18272f582be7909e265f775fd7047fcab1283</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Abundance</topic><topic>Bays</topic><topic>Benthos collecting devices</topic><topic>Biology</topic><topic>Biomass</topic><topic>Bottom trawling</topic><topic>Demersal fish</topic><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Ecological function</topic><topic>Fish</topic><topic>Fish reproduction</topic><topic>Fisheries</topic><topic>Fisheries management</topic><topic>Fishery management</topic><topic>Fishing</topic><topic>Fishing effort</topic><topic>Food chains</topic><topic>Food webs</topic><topic>Isotopes</topic><topic>Marine 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J. Ocean. Limnol</stitle><addtitle>Chinese Journal of Oceanology and Limnology</addtitle><date>2015-07-01</date><risdate>2015</risdate><volume>33</volume><issue>4</issue><spage>934</spage><epage>944</epage><pages>934-944</pages><issn>0254-4059</issn><issn>2096-5508</issn><eissn>1993-5005</eissn><eissn>2523-3521</eissn><abstract>Trophic structure offish communities is fundamental for ecosystem-based fisheries management, and trophic spectrum classifies fishes by their positions in food web, which provides a simple summary on the trophic structure and ecosystem function. In this study, both fish biomass and abundance trophic spectra were constructed to study the spatial and seasonal variations in the trophic structure of demersal fish assemblages in Jiaozhou Bay, China. Data were collected from four seasonal bottom trawl surveys in Jiaozhou Bay from February to November in 2011. Trophic levels （TLs） of fishes were determined by nitrogen stable isotope analysis. This study indicated that most of these trophic spectra had a single peak at trophic level （TL） of 3.4-3.7, suggesting that demersal fish assemblages of Jiaozhou Bay were dominated by secondary consumers （eg. Pholisfangi and Amblychaeturichthys hexanema）. The spatial and seasonal variations of trophic spectra of Jiaozhou Bay reflected the influence of fish reproduction, fishing pressure and migration of fishes. Two-way analysis of variance （ANOVA） showed that seasonal variations in trophic spectra in Jiaozhou Bay were significant （P〈0.05）, but variations among different areas were not significant （P〉0.05）. The trophic spectrum has been proved to be a useful tool to monitor the trophic structure of fish assemblages. This study highlighted the comprehensive application of fish biomass and abundance trophic spectra in the study on trophic structure offish assemblages.</abstract><cop>Heidelberg</cop><pub>Science Press</pub><doi>10.1007/s00343-015-4242-3</doi><tpages>11</tpages></addata></record> |
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| ispartof | Chinese journal of oceanology and limnology, 2015-07, Vol.33 (4), p.934-944 |
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| language | eng |
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| subjects | Abundance Bays Benthos collecting devices Biology Biomass Bottom trawling Demersal fish Earth and Environmental Science Earth Sciences Ecological function Fish Fish reproduction Fisheries Fisheries management Fishery management Fishing Fishing effort Food chains Food webs Isotopes Marine biology Migrations Oceanography Pholis Seasonal variation Seasonal variations Seasons Spectra Stable isotopes Structure-function relationships Trophic levels Trophic structure Variance analysis 中国 季节变化 生态系统功能 稳定同位素分析 空间 胶州湾 营养结构 鱼类群落 |
| title | Spatial and seasonal variations in the trophic spectrum of demersal fish assemblages in Jiaozhou Bay, China |
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