Effects of water temperature changes on the early life stages (egg and larvae) of walleye Pollock (Gadus chalcogrammus) – Laboratory experiments and field applications
The eastern coast of Korea (ECK) is the southern limit of walleye pollock (pollock) distribution in the North Pacific. Since the climate regime shift in the 1980s, pollock catch has decreased sharply, with
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| Veröffentlicht in: | Journal of experimental marine biology and ecology 2024-02, Vol.571, p.151980, Article 151980 |
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| container_title | Journal of experimental marine biology and ecology |
| container_volume | 571 |
| creator | Park, Jong Won Yoo, Hae Kyun Jung, Hae Kun Park, Hyun Je Bae, Ki Min Kang, Chang-Keun Lee, Chung Il |
| description | The eastern coast of Korea (ECK) is the southern limit of walleye pollock (pollock) distribution in the North Pacific. Since the climate regime shift in the 1980s, pollock catch has decreased sharply, with |
| doi_str_mv | 10.1016/j.jembe.2023.151980 |
| format | Article |
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Since the climate regime shift in the 1980s, pollock catch has decreased sharply, with <1 ton recorded annually since the 2000s. Pollock, a semi-demersal cold-water species, is greatly affected by sea surface temperature changes during its early life stages. This study analyzed the effect of different water temperatures (3.6, 5.1, 7.1, 10.0, 13.3, and 15.1 °C) on the survival and growth of fertilized pollock eggs and larvae to investigate whether the ECK is still suitable for the early life stages development of pollock. The hatching rate of eggs was 82%, 57%, and 4%, and the hatching period was 20.7, 11.6, and 5.6 d at 3.6, 10.0, and 15.1 °C, respectively. The larval size-at-hatch was the highest at 3.6 °C (5.14 mm) and lowest at 15.1 °C (4.24 mm). Above 10.0 °C, the hatching rate decreased rapidly, and the abnormality rate increased. Since the 1980s, the 10 °C isotherm in the ECK has been moving northward in winter, which is the pollock spawning season. Continuous warming of the ECK has thus been unfavorable for the early life stages of pollock. Overall, this study improves our understanding of changes in pollock abundance due to climate change.</description><identifier>ISSN: 0022-0981</identifier><identifier>DOI: 10.1016/j.jembe.2023.151980</identifier><language>eng</language><subject>climate ; climate change ; coasts ; ecology ; eggs ; Gadus chalcogrammus ; Korean Peninsula ; larvae ; pollock ; species ; surface water temperature ; water ; winter</subject><ispartof>Journal of experimental marine biology and ecology, 2024-02, Vol.571, p.151980, Article 151980</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c327t-be3eefa6af9fa3f2fc9907f92f7f980023cc2611239780236344a98585287e9c3</citedby><cites>FETCH-LOGICAL-c327t-be3eefa6af9fa3f2fc9907f92f7f980023cc2611239780236344a98585287e9c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Park, Jong Won</creatorcontrib><creatorcontrib>Yoo, Hae Kyun</creatorcontrib><creatorcontrib>Jung, Hae Kun</creatorcontrib><creatorcontrib>Park, Hyun Je</creatorcontrib><creatorcontrib>Bae, Ki Min</creatorcontrib><creatorcontrib>Kang, Chang-Keun</creatorcontrib><creatorcontrib>Lee, Chung Il</creatorcontrib><title>Effects of water temperature changes on the early life stages (egg and larvae) of walleye Pollock (Gadus chalcogrammus) – Laboratory experiments and field applications</title><title>Journal of experimental marine biology and ecology</title><description>The eastern coast of Korea (ECK) is the southern limit of walleye pollock (pollock) distribution in the North Pacific. Since the climate regime shift in the 1980s, pollock catch has decreased sharply, with <1 ton recorded annually since the 2000s. Pollock, a semi-demersal cold-water species, is greatly affected by sea surface temperature changes during its early life stages. This study analyzed the effect of different water temperatures (3.6, 5.1, 7.1, 10.0, 13.3, and 15.1 °C) on the survival and growth of fertilized pollock eggs and larvae to investigate whether the ECK is still suitable for the early life stages development of pollock. The hatching rate of eggs was 82%, 57%, and 4%, and the hatching period was 20.7, 11.6, and 5.6 d at 3.6, 10.0, and 15.1 °C, respectively. The larval size-at-hatch was the highest at 3.6 °C (5.14 mm) and lowest at 15.1 °C (4.24 mm). Above 10.0 °C, the hatching rate decreased rapidly, and the abnormality rate increased. Since the 1980s, the 10 °C isotherm in the ECK has been moving northward in winter, which is the pollock spawning season. Continuous warming of the ECK has thus been unfavorable for the early life stages of pollock. Overall, this study improves our understanding of changes in pollock abundance due to climate change.</description><subject>climate</subject><subject>climate change</subject><subject>coasts</subject><subject>ecology</subject><subject>eggs</subject><subject>Gadus chalcogrammus</subject><subject>Korean Peninsula</subject><subject>larvae</subject><subject>pollock</subject><subject>species</subject><subject>surface water temperature</subject><subject>water</subject><subject>winter</subject><issn>0022-0981</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNotUUtOAzEMnQVIlM8J2GTZLlryaafJEiF-UiVYwDpyU6edkpkMSQbojjtwCq7FSchQZMmW9az3bL-iOGd0wigrL7aTLdZLnHDKxYTNmJL0oBhQyvmYKsmOiuMYt5RSNuPloPi-thZNisRb8g4JA0lYtxggdQGJ2UCzxgw2JG2QIAS3I66ySGKCHhjiek2gWREH4Q1wtKdxDndIHr1z3ryQ4S2suthzOePXAeq6iyPy8_lFFrD0WcmHHcGPLFrV2ORVej5boVsRaFtXGUiVb-JpcWjBRTz7ryfF883109XdePFwe391uRgbwedpvESBaKEEqywIy61Ris6t4jYnmd8gjOElY1youcxdKaZTUHImZ1zOURlxUgz3vG3wrx3GpOsqGnQOGvRd1IJOc8ipkHlU7EdN8DEGtLrNN0DYaUZ1b4be6j8zdG-G3pshfgGEfIRy</recordid><startdate>202402</startdate><enddate>202402</enddate><creator>Park, Jong Won</creator><creator>Yoo, Hae Kyun</creator><creator>Jung, Hae Kun</creator><creator>Park, Hyun Je</creator><creator>Bae, Ki Min</creator><creator>Kang, Chang-Keun</creator><creator>Lee, Chung Il</creator><scope>AAYXX</scope><scope>CITATION</scope><scope>7S9</scope><scope>L.6</scope></search><sort><creationdate>202402</creationdate><title>Effects of water temperature changes on the early life stages (egg and larvae) of walleye Pollock (Gadus chalcogrammus) – Laboratory experiments and field applications</title><author>Park, Jong Won ; Yoo, Hae Kyun ; Jung, Hae Kun ; Park, Hyun Je ; Bae, Ki Min ; Kang, Chang-Keun ; Lee, Chung Il</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c327t-be3eefa6af9fa3f2fc9907f92f7f980023cc2611239780236344a98585287e9c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>climate</topic><topic>climate change</topic><topic>coasts</topic><topic>ecology</topic><topic>eggs</topic><topic>Gadus chalcogrammus</topic><topic>Korean Peninsula</topic><topic>larvae</topic><topic>pollock</topic><topic>species</topic><topic>surface water temperature</topic><topic>water</topic><topic>winter</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Park, Jong Won</creatorcontrib><creatorcontrib>Yoo, Hae Kyun</creatorcontrib><creatorcontrib>Jung, Hae Kun</creatorcontrib><creatorcontrib>Park, Hyun Je</creatorcontrib><creatorcontrib>Bae, Ki Min</creatorcontrib><creatorcontrib>Kang, Chang-Keun</creatorcontrib><creatorcontrib>Lee, Chung Il</creatorcontrib><collection>CrossRef</collection><collection>AGRICOLA</collection><collection>AGRICOLA - Academic</collection><jtitle>Journal of experimental marine biology and ecology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Park, Jong Won</au><au>Yoo, Hae Kyun</au><au>Jung, Hae Kun</au><au>Park, Hyun Je</au><au>Bae, Ki Min</au><au>Kang, Chang-Keun</au><au>Lee, Chung Il</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of water temperature changes on the early life stages (egg and larvae) of walleye Pollock (Gadus chalcogrammus) – Laboratory experiments and field applications</atitle><jtitle>Journal of experimental marine biology and ecology</jtitle><date>2024-02</date><risdate>2024</risdate><volume>571</volume><spage>151980</spage><pages>151980-</pages><artnum>151980</artnum><issn>0022-0981</issn><abstract>The eastern coast of Korea (ECK) is the southern limit of walleye pollock (pollock) distribution in the North Pacific. Since the climate regime shift in the 1980s, pollock catch has decreased sharply, with <1 ton recorded annually since the 2000s. Pollock, a semi-demersal cold-water species, is greatly affected by sea surface temperature changes during its early life stages. This study analyzed the effect of different water temperatures (3.6, 5.1, 7.1, 10.0, 13.3, and 15.1 °C) on the survival and growth of fertilized pollock eggs and larvae to investigate whether the ECK is still suitable for the early life stages development of pollock. The hatching rate of eggs was 82%, 57%, and 4%, and the hatching period was 20.7, 11.6, and 5.6 d at 3.6, 10.0, and 15.1 °C, respectively. The larval size-at-hatch was the highest at 3.6 °C (5.14 mm) and lowest at 15.1 °C (4.24 mm). Above 10.0 °C, the hatching rate decreased rapidly, and the abnormality rate increased. Since the 1980s, the 10 °C isotherm in the ECK has been moving northward in winter, which is the pollock spawning season. Continuous warming of the ECK has thus been unfavorable for the early life stages of pollock. Overall, this study improves our understanding of changes in pollock abundance due to climate change.</abstract><doi>10.1016/j.jembe.2023.151980</doi><oa>free_for_read</oa></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | climate climate change coasts ecology eggs Gadus chalcogrammus Korean Peninsula larvae pollock species surface water temperature water winter |
| title | Effects of water temperature changes on the early life stages (egg and larvae) of walleye Pollock (Gadus chalcogrammus) – Laboratory experiments and field applications |
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