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Seasonal contrast of water masses and larval fish habitats at the entrance of the Gulf of California
Based on satellite and in situ data and larval fish distributions obtained from two cruises during April 2012 (cold period) and September 2016 (warm period), larval fish habitats were analyzed in relation to the water masses that converge at the entrance of the Gulf of California. The distribution o...
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Published in: | Journal of marine systems 2024-02, Vol.242, p.103936, Article 103936 |
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description | Based on satellite and in situ data and larval fish distributions obtained from two cruises during April 2012 (cold period) and September 2016 (warm period), larval fish habitats were analyzed in relation to the water masses that converge at the entrance of the Gulf of California. The distribution of environmental variables and the ocean upper layer water masses showed a clear-cut seasonal contrast. During April 2012, the Gulf of California Water extended southward to ∼21oN, while in September 2016, the Transitional Water expanded northward to ∼23oN to dominate the entrance of the Gulf of California as the Gulf of California Water retreated to the interior gulf. In addition, mesoscale eddies were frequently observed in both periods, mostly cyclonic in April 2012, and anticyclonic in September 2016. Multivariate analyses defined two larval fish habitats in each period: North and South of a boundary between 22 and 22.5oN. The larval structure of the North larval fish habitat varied in both composition and abundance between periods, although the dominant species in both periods were Vinciguerria lucetia above the thermocline and Diogenichthys laternatus in the layer beneath the thermocline. These species had a higher abundance in April 2012 than in September 2016. The South larval fish habitats also had differences in their larval structures in the two periods, but Bregmaceros bathymaster was the dominant species, with the highest abundance in April 2012. The definition of the larval fish habitats and their changes in structure were associated with the seasonal contrast of the water masses, but the limits of the larval fish habitats were modulated by the mesoscale structures. The spawning of most species is seasonally controlled, but the dominant ones showed signs of resilience to environmental changes. This study displayed the influence of two different environmental scales on the fish larvae community, which might be a pattern in other regions of water mass convergence.
•Upper layer water masses converge at the entrance of the Gulf of California.•Gulf of California Water (cold period) and Transitional Water (warm) vary seasonally.•Water mass borders define North and South larval fish habitats in both periods.•Eddies limit larval fish habitats, cyclonic in the cold period and anticyclonic in warm period.•Dominant species (mesopelagic) in both periods show tolerance to seasonal changes. |
doi_str_mv | 10.1016/j.jmarsys.2023.103936 |
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•Upper layer water masses converge at the entrance of the Gulf of California.•Gulf of California Water (cold period) and Transitional Water (warm) vary seasonally.•Water mass borders define North and South larval fish habitats in both periods.•Eddies limit larval fish habitats, cyclonic in the cold period and anticyclonic in warm period.•Dominant species (mesopelagic) in both periods show tolerance to seasonal changes.</description><identifier>ISSN: 0924-7963</identifier><identifier>EISSN: 1879-1573</identifier><identifier>DOI: 10.1016/j.jmarsys.2023.103936</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>And 112° west longitude to the coast ; Entrance of the Gulf of California ; Geographic bounding coordinates: 18 and 24° north latitude ; Hydrography ; Larval fish habitats ; Mexico ; Pacific Ocean ; Water masses</subject><ispartof>Journal of marine systems, 2024-02, Vol.242, p.103936, Article 103936</ispartof><rights>2023 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c257t-da62e3b6b29437ab97d788d5dc455a3a48822ba6bd0b201a6d65a750a86396b93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Landeros-Tafolla, David</creatorcontrib><creatorcontrib>Sánchez-Velasco, Laura</creatorcontrib><creatorcontrib>Beier, Emilio</creatorcontrib><creatorcontrib>Jiménez-Rosenberg, S.P.A.</creatorcontrib><creatorcontrib>Kurczyn, J. Alejandro</creatorcontrib><creatorcontrib>Godínez, Victor M.</creatorcontrib><title>Seasonal contrast of water masses and larval fish habitats at the entrance of the Gulf of California</title><title>Journal of marine systems</title><description>Based on satellite and in situ data and larval fish distributions obtained from two cruises during April 2012 (cold period) and September 2016 (warm period), larval fish habitats were analyzed in relation to the water masses that converge at the entrance of the Gulf of California. The distribution of environmental variables and the ocean upper layer water masses showed a clear-cut seasonal contrast. During April 2012, the Gulf of California Water extended southward to ∼21oN, while in September 2016, the Transitional Water expanded northward to ∼23oN to dominate the entrance of the Gulf of California as the Gulf of California Water retreated to the interior gulf. In addition, mesoscale eddies were frequently observed in both periods, mostly cyclonic in April 2012, and anticyclonic in September 2016. Multivariate analyses defined two larval fish habitats in each period: North and South of a boundary between 22 and 22.5oN. The larval structure of the North larval fish habitat varied in both composition and abundance between periods, although the dominant species in both periods were Vinciguerria lucetia above the thermocline and Diogenichthys laternatus in the layer beneath the thermocline. These species had a higher abundance in April 2012 than in September 2016. The South larval fish habitats also had differences in their larval structures in the two periods, but Bregmaceros bathymaster was the dominant species, with the highest abundance in April 2012. The definition of the larval fish habitats and their changes in structure were associated with the seasonal contrast of the water masses, but the limits of the larval fish habitats were modulated by the mesoscale structures. The spawning of most species is seasonally controlled, but the dominant ones showed signs of resilience to environmental changes. This study displayed the influence of two different environmental scales on the fish larvae community, which might be a pattern in other regions of water mass convergence.
•Upper layer water masses converge at the entrance of the Gulf of California.•Gulf of California Water (cold period) and Transitional Water (warm) vary seasonally.•Water mass borders define North and South larval fish habitats in both periods.•Eddies limit larval fish habitats, cyclonic in the cold period and anticyclonic in warm period.•Dominant species (mesopelagic) in both periods show tolerance to seasonal changes.</description><subject>And 112° west longitude to the coast</subject><subject>Entrance of the Gulf of California</subject><subject>Geographic bounding coordinates: 18 and 24° north latitude</subject><subject>Hydrography</subject><subject>Larval fish habitats</subject><subject>Mexico</subject><subject>Pacific Ocean</subject><subject>Water masses</subject><issn>0924-7963</issn><issn>1879-1573</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNqFkMtKAzEUhoMoWKuPIOQFpuYyua1Eilah4EJdh5NJhmaYzkgSK317Z2j3rs71_znnQ-iekhUlVD50q24PKR_zihHGpx43XF6gBdXKVFQofokWxLC6Ukbya3STc0cIkVSLBfIfAfI4QI-bcSgJcsFji3-hhIT3kHPIGAaPe0iHaaeNeYd34GKBMg0KLruAw6wbmjAL53rz07dzvoY-tmMaItyiqxb6HO7OcYm-Xp4_16_V9n3ztn7aVg0TqlQeJAvcScdMzRU4o7zS2gvf1EIAh1prxhxI54ljhIL0UoASBLTkRjrDl0icfJs05pxCa79TnNAcLSV2RmU7e0ZlZ1T2hGrSPZ50YTruEEOyuYlhesnHFJpi_Rj_cfgDmSJ1_w</recordid><startdate>202402</startdate><enddate>202402</enddate><creator>Landeros-Tafolla, David</creator><creator>Sánchez-Velasco, Laura</creator><creator>Beier, Emilio</creator><creator>Jiménez-Rosenberg, S.P.A.</creator><creator>Kurczyn, J. Alejandro</creator><creator>Godínez, Victor M.</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>202402</creationdate><title>Seasonal contrast of water masses and larval fish habitats at the entrance of the Gulf of California</title><author>Landeros-Tafolla, David ; Sánchez-Velasco, Laura ; Beier, Emilio ; Jiménez-Rosenberg, S.P.A. ; Kurczyn, J. Alejandro ; Godínez, Victor M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c257t-da62e3b6b29437ab97d788d5dc455a3a48822ba6bd0b201a6d65a750a86396b93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>And 112° west longitude to the coast</topic><topic>Entrance of the Gulf of California</topic><topic>Geographic bounding coordinates: 18 and 24° north latitude</topic><topic>Hydrography</topic><topic>Larval fish habitats</topic><topic>Mexico</topic><topic>Pacific Ocean</topic><topic>Water masses</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Landeros-Tafolla, David</creatorcontrib><creatorcontrib>Sánchez-Velasco, Laura</creatorcontrib><creatorcontrib>Beier, Emilio</creatorcontrib><creatorcontrib>Jiménez-Rosenberg, S.P.A.</creatorcontrib><creatorcontrib>Kurczyn, J. Alejandro</creatorcontrib><creatorcontrib>Godínez, Victor M.</creatorcontrib><collection>CrossRef</collection><jtitle>Journal of marine systems</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Landeros-Tafolla, David</au><au>Sánchez-Velasco, Laura</au><au>Beier, Emilio</au><au>Jiménez-Rosenberg, S.P.A.</au><au>Kurczyn, J. Alejandro</au><au>Godínez, Victor M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Seasonal contrast of water masses and larval fish habitats at the entrance of the Gulf of California</atitle><jtitle>Journal of marine systems</jtitle><date>2024-02</date><risdate>2024</risdate><volume>242</volume><spage>103936</spage><pages>103936-</pages><artnum>103936</artnum><issn>0924-7963</issn><eissn>1879-1573</eissn><abstract>Based on satellite and in situ data and larval fish distributions obtained from two cruises during April 2012 (cold period) and September 2016 (warm period), larval fish habitats were analyzed in relation to the water masses that converge at the entrance of the Gulf of California. The distribution of environmental variables and the ocean upper layer water masses showed a clear-cut seasonal contrast. During April 2012, the Gulf of California Water extended southward to ∼21oN, while in September 2016, the Transitional Water expanded northward to ∼23oN to dominate the entrance of the Gulf of California as the Gulf of California Water retreated to the interior gulf. In addition, mesoscale eddies were frequently observed in both periods, mostly cyclonic in April 2012, and anticyclonic in September 2016. Multivariate analyses defined two larval fish habitats in each period: North and South of a boundary between 22 and 22.5oN. The larval structure of the North larval fish habitat varied in both composition and abundance between periods, although the dominant species in both periods were Vinciguerria lucetia above the thermocline and Diogenichthys laternatus in the layer beneath the thermocline. These species had a higher abundance in April 2012 than in September 2016. The South larval fish habitats also had differences in their larval structures in the two periods, but Bregmaceros bathymaster was the dominant species, with the highest abundance in April 2012. The definition of the larval fish habitats and their changes in structure were associated with the seasonal contrast of the water masses, but the limits of the larval fish habitats were modulated by the mesoscale structures. The spawning of most species is seasonally controlled, but the dominant ones showed signs of resilience to environmental changes. This study displayed the influence of two different environmental scales on the fish larvae community, which might be a pattern in other regions of water mass convergence.
•Upper layer water masses converge at the entrance of the Gulf of California.•Gulf of California Water (cold period) and Transitional Water (warm) vary seasonally.•Water mass borders define North and South larval fish habitats in both periods.•Eddies limit larval fish habitats, cyclonic in the cold period and anticyclonic in warm period.•Dominant species (mesopelagic) in both periods show tolerance to seasonal changes.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.jmarsys.2023.103936</doi></addata></record> |
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subjects | And 112° west longitude to the coast Entrance of the Gulf of California Geographic bounding coordinates: 18 and 24° north latitude Hydrography Larval fish habitats Mexico Pacific Ocean Water masses |
title | Seasonal contrast of water masses and larval fish habitats at the entrance of the Gulf of California |
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