Effect of ENSO events on larval and juvenile duration and transport of Japanese eel (Anguilla japonica)
Spawning ground of Japanese eel (Anguilla japonica) is located near the West Mariana Ridge seamount. The species travels through the North Equatorial Current (NEC) and then enters the Kuroshio Current (KC) on the migration toward East Asian growth habitats. Therefore, El Niño-Southern Oscillation (E...
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| description | Spawning ground of Japanese eel (Anguilla japonica) is located near the West Mariana Ridge seamount. The species travels through the North Equatorial Current (NEC) and then enters the Kuroshio Current (KC) on the migration toward East Asian growth habitats. Therefore, El Niño-Southern Oscillation (ENSO) events serve as the potentially important drivers of interannual variability across the equatorial Pacific. Because the NEC bifurcation and salinity profiles are related to ENSO events, we investigated the influence of locations of the NEC bifurcation and salinity front on the success of larval entry to the KC by numerically modeling particle transport in ocean currents from 1972 to 2013 and possible effects on the size of glass eels at continental recruitment and, via otolithometry on the duration of larval migration. Circulation and hydrography used for particle tracking were obtained from the results of the Model for Interdisciplinary Research on Climate (MIROC) high-resolution forecasting experiment. Our results demonstrated that during El Niño years, (1) the southward movement of the salinity front might cause the larvae to experience slower currents and (2) the northward movement of the NEC bifurcation might broaden the separation between their spawning ground and NEC bifurcation, thus prolonging the time needed for the larvae to enter the KC from their spawning ground, because of which the duration of entrainment in the water column and body size increase when eels reach estuarine waters. In addition, this might cause more water to flow into the Mindanao Current (MC), leading to a decline in the rate at which larvae get entrained into the KC. |
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The species travels through the North Equatorial Current (NEC) and then enters the Kuroshio Current (KC) on the migration toward East Asian growth habitats. Therefore, El Niño-Southern Oscillation (ENSO) events serve as the potentially important drivers of interannual variability across the equatorial Pacific. Because the NEC bifurcation and salinity profiles are related to ENSO events, we investigated the influence of locations of the NEC bifurcation and salinity front on the success of larval entry to the KC by numerically modeling particle transport in ocean currents from 1972 to 2013 and possible effects on the size of glass eels at continental recruitment and, via otolithometry on the duration of larval migration. Circulation and hydrography used for particle tracking were obtained from the results of the Model for Interdisciplinary Research on Climate (MIROC) high-resolution forecasting experiment. Our results demonstrated that during El Niño years, (1) the southward movement of the salinity front might cause the larvae to experience slower currents and (2) the northward movement of the NEC bifurcation might broaden the separation between their spawning ground and NEC bifurcation, thus prolonging the time needed for the larvae to enter the KC from their spawning ground, because of which the duration of entrainment in the water column and body size increase when eels reach estuarine waters. In addition, this might cause more water to flow into the Mindanao Current (MC), leading to a decline in the rate at which larvae get entrained into the KC.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0195544</identifier><identifier>PMID: 29634730</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Anguilla japonica ; Annual variations ; Behavior ; Bifurcations ; Biology and Life Sciences ; Body size ; Brevoortia tyrannus ; Climate models ; Commercial fishing ; Earth sciences ; Economic aspects ; Eels ; El Nino ; El Nino-Southern Oscillation event ; Entrainment ; Environmental aspects ; Equatorial currents ; Estuaries ; Estuarine water ; Fish ; Fisheries ; Fishery management ; Fishes ; Fishing ; Hydrography ; Interannual variability ; Interdisciplinary research ; Interdisciplinary studies ; Kuroshio Current ; Larvae ; Life sciences ; Marine biology ; Mathematical models ; Medicine and Health Sciences ; Migration ; Mindanao Current ; Ocean circulation ; Ocean currents ; Ocean models ; Oceanography ; Particle tracking ; Particle transport ; Physical Sciences ; Physiological aspects ; Salinity ; Salinity effects ; Salinity profiles ; Southern Oscillation ; Spawning ; Transport ; Water column</subject><ispartof>PloS one, 2018-04, Vol.13 (4), p.e0195544-e0195544</ispartof><rights>COPYRIGHT 2018 Public Library of Science</rights><rights>2018 Hsiung et al. This is an open access article distributed under the terms of the Creative Commons Attribution License: http://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. 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The species travels through the North Equatorial Current (NEC) and then enters the Kuroshio Current (KC) on the migration toward East Asian growth habitats. Therefore, El Niño-Southern Oscillation (ENSO) events serve as the potentially important drivers of interannual variability across the equatorial Pacific. Because the NEC bifurcation and salinity profiles are related to ENSO events, we investigated the influence of locations of the NEC bifurcation and salinity front on the success of larval entry to the KC by numerically modeling particle transport in ocean currents from 1972 to 2013 and possible effects on the size of glass eels at continental recruitment and, via otolithometry on the duration of larval migration. Circulation and hydrography used for particle tracking were obtained from the results of the Model for Interdisciplinary Research on Climate (MIROC) high-resolution forecasting experiment. 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In addition, this might cause more water to flow into the Mindanao Current (MC), leading to a decline in the rate at which larvae get entrained into the KC.</description><subject>Anguilla japonica</subject><subject>Annual variations</subject><subject>Behavior</subject><subject>Bifurcations</subject><subject>Biology and Life Sciences</subject><subject>Body size</subject><subject>Brevoortia tyrannus</subject><subject>Climate models</subject><subject>Commercial fishing</subject><subject>Earth sciences</subject><subject>Economic aspects</subject><subject>Eels</subject><subject>El Nino</subject><subject>El Nino-Southern Oscillation event</subject><subject>Entrainment</subject><subject>Environmental aspects</subject><subject>Equatorial currents</subject><subject>Estuaries</subject><subject>Estuarine water</subject><subject>Fish</subject><subject>Fisheries</subject><subject>Fishery 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of ENSO events on larval and juvenile duration and transport of Japanese eel (Anguilla japonica)</title><author>Hsiung, Kuan-Mei ; Kimura, Shingo ; Han, Yu-San ; Takeshige, Aigo ; Iizuka, Yoshiyuki</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c758t-54d792f7219a2af1b8fc709a460df6ecc3bbc803998dcf523ad3c77711dd9eee3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Anguilla japonica</topic><topic>Annual variations</topic><topic>Behavior</topic><topic>Bifurcations</topic><topic>Biology and Life Sciences</topic><topic>Body size</topic><topic>Brevoortia tyrannus</topic><topic>Climate models</topic><topic>Commercial fishing</topic><topic>Earth sciences</topic><topic>Economic aspects</topic><topic>Eels</topic><topic>El Nino</topic><topic>El Nino-Southern Oscillation event</topic><topic>Entrainment</topic><topic>Environmental aspects</topic><topic>Equatorial 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Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hsiung, Kuan-Mei</au><au>Kimura, Shingo</au><au>Han, Yu-San</au><au>Takeshige, Aigo</au><au>Iizuka, Yoshiyuki</au><au>Durif, Caroline</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of ENSO events on larval and juvenile duration and transport of Japanese eel (Anguilla japonica)</atitle><jtitle>PloS one</jtitle><addtitle>PLoS One</addtitle><date>2018-04-10</date><risdate>2018</risdate><volume>13</volume><issue>4</issue><spage>e0195544</spage><epage>e0195544</epage><pages>e0195544-e0195544</pages><issn>1932-6203</issn><eissn>1932-6203</eissn><abstract>Spawning ground of Japanese eel (Anguilla japonica) is located near the West Mariana Ridge seamount. The species travels through the North Equatorial Current (NEC) and then enters the Kuroshio Current (KC) on the migration toward East Asian growth habitats. Therefore, El Niño-Southern Oscillation (ENSO) events serve as the potentially important drivers of interannual variability across the equatorial Pacific. Because the NEC bifurcation and salinity profiles are related to ENSO events, we investigated the influence of locations of the NEC bifurcation and salinity front on the success of larval entry to the KC by numerically modeling particle transport in ocean currents from 1972 to 2013 and possible effects on the size of glass eels at continental recruitment and, via otolithometry on the duration of larval migration. Circulation and hydrography used for particle tracking were obtained from the results of the Model for Interdisciplinary Research on Climate (MIROC) high-resolution forecasting experiment. Our results demonstrated that during El Niño years, (1) the southward movement of the salinity front might cause the larvae to experience slower currents and (2) the northward movement of the NEC bifurcation might broaden the separation between their spawning ground and NEC bifurcation, thus prolonging the time needed for the larvae to enter the KC from their spawning ground, because of which the duration of entrainment in the water column and body size increase when eels reach estuarine waters. In addition, this might cause more water to flow into the Mindanao Current (MC), leading to a decline in the rate at which larvae get entrained into the KC.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>29634730</pmid><doi>10.1371/journal.pone.0195544</doi><tpages>e0195544</tpages><orcidid>https://orcid.org/0000-0002-3268-6719</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Anguilla japonica Annual variations Behavior Bifurcations Biology and Life Sciences Body size Brevoortia tyrannus Climate models Commercial fishing Earth sciences Economic aspects Eels El Nino El Nino-Southern Oscillation event Entrainment Environmental aspects Equatorial currents Estuaries Estuarine water Fish Fisheries Fishery management Fishes Fishing Hydrography Interannual variability Interdisciplinary research Interdisciplinary studies Kuroshio Current Larvae Life sciences Marine biology Mathematical models Medicine and Health Sciences Migration Mindanao Current Ocean circulation Ocean currents Ocean models Oceanography Particle tracking Particle transport Physical Sciences Physiological aspects Salinity Salinity effects Salinity profiles Southern Oscillation Spawning Transport Water column |
| title | Effect of ENSO events on larval and juvenile duration and transport of Japanese eel (Anguilla japonica) |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-12T00%3A55%3A05IST&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=Effect%20of%20ENSO%20events%20on%20larval%20and%20juvenile%20duration%20and%20transport%20of%20Japanese%20eel%20(Anguilla%20japonica)&rft.jtitle=PloS%20one&rft.au=Hsiung,%20Kuan-Mei&rft.date=2018-04-10&rft.volume=13&rft.issue=4&rft.spage=e0195544&rft.epage=e0195544&rft.pages=e0195544-e0195544&rft.issn=1932-6203&rft.eissn=1932-6203&rft_id=info:doi/10.1371/journal.pone.0195544&rft_dat=%3Cgale_plos_%3EA534104821%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=2023715618&rft_id=info:pmid/29634730&rft_galeid=A534104821&rft_doaj_id=oai_doaj_org_article_25fa0c3101de47f690655dd17e44f145&rfr_iscdi=true |