Assessment of fishery resources using environmental DNA: Small yellow croaker (Larimichthys polyactis) in East China Sea
Species distribution monitoring and biomass assessment are crucial for fishery management and resource conservation. However, traditional methods such as motor trawling are costly and less effective than the novel environmental DNA (eDNA) approach. This study employs eDNA approach to investigate hor...
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| description | Species distribution monitoring and biomass assessment are crucial for fishery management and resource conservation. However, traditional methods such as motor trawling are costly and less effective than the novel environmental DNA (eDNA) approach. This study employs eDNA approach to investigate horizontal and vertical distributions of small yellow croaker (Larimichthys polyactis), an economically important species, in the East China Sea. The analysis of 171 eDNA samples collected from 44 stations using the species-specific primers and Taqman probe suggests a presence of small yellow croaker at 28 sampling layers in 44 stations. Significant differences in croaker eDNA concentrations were revealed among sampling stations and layers, consistent with previous findings through motor-trawl capture offshore and nearshore ichthyoplakton surveys, indicating small yellow croaker exhibits strong regional distribution and layer preference. In addition, we found a high eDNA concentration of small yellow croaker in the surface waters beyond the motor-trawl prohibition line, which confirms spawning grounds have been expanded from nearshore to offshore areas. Such expansion of spawning grounds could be a response by small yellow croaker to stressors such as overfishing, climate change, and nearshore environment contamination. To identify environmental variables potentially associated with small yellow croaker presence and absence, we conducted a correlation analysis between eDNA concentration and environmental variables, and the results provide a guideline for further investigation of fishery resources in the future. In conclusion, this study demonstrates the power of the eDNA approach in monitoring small yellow croaker at extensive geographic scales. The developed protocols and the findings are expected to assist in long-term monitoring and protection programs and benefit sustainable fishery in small yellow croaker. |
| doi_str_mv | 10.1371/journal.pone.0244495 |
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However, traditional methods such as motor trawling are costly and less effective than the novel environmental DNA (eDNA) approach. This study employs eDNA approach to investigate horizontal and vertical distributions of small yellow croaker (Larimichthys polyactis), an economically important species, in the East China Sea. The analysis of 171 eDNA samples collected from 44 stations using the species-specific primers and Taqman probe suggests a presence of small yellow croaker at 28 sampling layers in 44 stations. Significant differences in croaker eDNA concentrations were revealed among sampling stations and layers, consistent with previous findings through motor-trawl capture offshore and nearshore ichthyoplakton surveys, indicating small yellow croaker exhibits strong regional distribution and layer preference. In addition, we found a high eDNA concentration of small yellow croaker in the surface waters beyond the motor-trawl prohibition line, which confirms spawning grounds have been expanded from nearshore to offshore areas. Such expansion of spawning grounds could be a response by small yellow croaker to stressors such as overfishing, climate change, and nearshore environment contamination. To identify environmental variables potentially associated with small yellow croaker presence and absence, we conducted a correlation analysis between eDNA concentration and environmental variables, and the results provide a guideline for further investigation of fishery resources in the future. In conclusion, this study demonstrates the power of the eDNA approach in monitoring small yellow croaker at extensive geographic scales. The developed protocols and the findings are expected to assist in long-term monitoring and protection programs and benefit sustainable fishery in small yellow croaker.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0244495</identifier><identifier>PMID: 33373404</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Animal Distribution ; Animals ; Biological diversity conservation ; Biology and Life Sciences ; China ; Climate change ; Commercial fishing ; Conservation ; Conservation of Natural Resources ; Contamination ; Correlation analysis ; Deoxyribonucleic acid ; DNA ; Drinking water ; Earth Sciences ; Ecological Parameter Monitoring - methods ; Ecology and Environmental Sciences ; Economic analysis ; Economic importance ; Engineering research ; Environmental assessment ; Environmental DNA ; Environmental DNA - isolation & purification ; Feasibility Studies ; Fish ; Fisheries ; Fisheries - statistics & numerical data ; Fisheries management ; Fishery management ; Fishery resources ; Fishing zones ; Genetic research ; Geographical distribution ; Larimichthys polyactis ; Methods ; Mitochondrial DNA ; Monitoring ; Natural resources ; Oceanography ; Overfishing ; Perciformes - genetics ; Physical Sciences ; Prohibition ; Research and Analysis Methods ; Resource conservation ; Resource management ; Sampling ; Seawater ; Seawater - chemistry ; Social Sciences ; Spawning ; Spawning grounds ; Species ; Stations ; Surface water ; Sustainable fisheries ; Trawling ; Zoogeography</subject><ispartof>PloS one, 2020-12, Vol.15 (12), p.e0244495</ispartof><rights>COPYRIGHT 2020 Public Library of Science</rights><rights>This is an open access article, free of all copyright, and may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose. 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However, traditional methods such as motor trawling are costly and less effective than the novel environmental DNA (eDNA) approach. This study employs eDNA approach to investigate horizontal and vertical distributions of small yellow croaker (Larimichthys polyactis), an economically important species, in the East China Sea. The analysis of 171 eDNA samples collected from 44 stations using the species-specific primers and Taqman probe suggests a presence of small yellow croaker at 28 sampling layers in 44 stations. Significant differences in croaker eDNA concentrations were revealed among sampling stations and layers, consistent with previous findings through motor-trawl capture offshore and nearshore ichthyoplakton surveys, indicating small yellow croaker exhibits strong regional distribution and layer preference. In addition, we found a high eDNA concentration of small yellow croaker in the surface waters beyond the motor-trawl prohibition line, which confirms spawning grounds have been expanded from nearshore to offshore areas. Such expansion of spawning grounds could be a response by small yellow croaker to stressors such as overfishing, climate change, and nearshore environment contamination. To identify environmental variables potentially associated with small yellow croaker presence and absence, we conducted a correlation analysis between eDNA concentration and environmental variables, and the results provide a guideline for further investigation of fishery resources in the future. In conclusion, this study demonstrates the power of the eDNA approach in monitoring small yellow croaker at extensive geographic scales. The developed protocols and the findings are expected to assist in long-term monitoring and protection programs and benefit sustainable fishery in small yellow croaker.</description><subject>Animal Distribution</subject><subject>Animals</subject><subject>Biological diversity conservation</subject><subject>Biology and Life Sciences</subject><subject>China</subject><subject>Climate change</subject><subject>Commercial fishing</subject><subject>Conservation</subject><subject>Conservation of Natural Resources</subject><subject>Contamination</subject><subject>Correlation analysis</subject><subject>Deoxyribonucleic acid</subject><subject>DNA</subject><subject>Drinking water</subject><subject>Earth Sciences</subject><subject>Ecological Parameter Monitoring - methods</subject><subject>Ecology and Environmental Sciences</subject><subject>Economic analysis</subject><subject>Economic importance</subject><subject>Engineering research</subject><subject>Environmental 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of fishery resources using environmental DNA: Small yellow croaker (Larimichthys polyactis) in East China Sea</title><author>Wang, Xiaoyan ; Lu, Guoqing ; Zhao, Linlin ; Yang, Qiao ; Gao, Tianxiang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c593t-ad68ba22dd68c03dc8b1942ffaff462afeae86c346a16f474b0163588b28a383</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Animal Distribution</topic><topic>Animals</topic><topic>Biological diversity conservation</topic><topic>Biology and Life Sciences</topic><topic>China</topic><topic>Climate change</topic><topic>Commercial fishing</topic><topic>Conservation</topic><topic>Conservation of Natural Resources</topic><topic>Contamination</topic><topic>Correlation analysis</topic><topic>Deoxyribonucleic acid</topic><topic>DNA</topic><topic>Drinking water</topic><topic>Earth Sciences</topic><topic>Ecological Parameter Monitoring - 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However, traditional methods such as motor trawling are costly and less effective than the novel environmental DNA (eDNA) approach. This study employs eDNA approach to investigate horizontal and vertical distributions of small yellow croaker (Larimichthys polyactis), an economically important species, in the East China Sea. The analysis of 171 eDNA samples collected from 44 stations using the species-specific primers and Taqman probe suggests a presence of small yellow croaker at 28 sampling layers in 44 stations. Significant differences in croaker eDNA concentrations were revealed among sampling stations and layers, consistent with previous findings through motor-trawl capture offshore and nearshore ichthyoplakton surveys, indicating small yellow croaker exhibits strong regional distribution and layer preference. In addition, we found a high eDNA concentration of small yellow croaker in the surface waters beyond the motor-trawl prohibition line, which confirms spawning grounds have been expanded from nearshore to offshore areas. Such expansion of spawning grounds could be a response by small yellow croaker to stressors such as overfishing, climate change, and nearshore environment contamination. To identify environmental variables potentially associated with small yellow croaker presence and absence, we conducted a correlation analysis between eDNA concentration and environmental variables, and the results provide a guideline for further investigation of fishery resources in the future. In conclusion, this study demonstrates the power of the eDNA approach in monitoring small yellow croaker at extensive geographic scales. The developed protocols and the findings are expected to assist in long-term monitoring and protection programs and benefit sustainable fishery in small yellow croaker.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>33373404</pmid><doi>10.1371/journal.pone.0244495</doi><orcidid>https://orcid.org/0000-0002-7520-541X</orcidid><oa>free_for_read</oa></addata></record> |
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| source | MEDLINE; DOAJ Directory of Open Access Journals; Public Library of Science (PLoS); EZB-FREE-00999 freely available EZB journals; PubMed Central; Free Full-Text Journals in Chemistry |
| subjects | Animal Distribution Animals Biological diversity conservation Biology and Life Sciences China Climate change Commercial fishing Conservation Conservation of Natural Resources Contamination Correlation analysis Deoxyribonucleic acid DNA Drinking water Earth Sciences Ecological Parameter Monitoring - methods Ecology and Environmental Sciences Economic analysis Economic importance Engineering research Environmental assessment Environmental DNA Environmental DNA - isolation & purification Feasibility Studies Fish Fisheries Fisheries - statistics & numerical data Fisheries management Fishery management Fishery resources Fishing zones Genetic research Geographical distribution Larimichthys polyactis Methods Mitochondrial DNA Monitoring Natural resources Oceanography Overfishing Perciformes - genetics Physical Sciences Prohibition Research and Analysis Methods Resource conservation Resource management Sampling Seawater Seawater - chemistry Social Sciences Spawning Spawning grounds Species Stations Surface water Sustainable fisheries Trawling Zoogeography |
| title | Assessment of fishery resources using environmental DNA: Small yellow croaker (Larimichthys polyactis) in East China Sea |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-21T05%3A58%3A17IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-gale_plos_&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Assessment%20of%20fishery%20resources%20using%20environmental%20DNA:%20Small%20yellow%20croaker%20(Larimichthys%20polyactis)%20in%20East%20China%20Sea&rft.jtitle=PloS%20one&rft.au=Wang,%20Xiaoyan&rft.date=2020-12-29&rft.volume=15&rft.issue=12&rft.spage=e0244495&rft.pages=e0244495-&rft.issn=1932-6203&rft.eissn=1932-6203&rft_id=info:doi/10.1371/journal.pone.0244495&rft_dat=%3Cgale_plos_%3EA646974417%3C/gale_plos_%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=2473727971&rft_id=info:pmid/33373404&rft_galeid=A646974417&rft_doaj_id=oai_doaj_org_article_f160359aa4904927a792ed638a03265d&rfr_iscdi=true |