Decreased lipid storage in juvenile Bering Sea crabs (Chionoecetes spp.) in a warm (2014) compared to a cold (2012) year on the southeastern Bering Sea
The decline of eastern Bering Sea snow ( Chionoecetes opilio ) and Tanner ( Chionoecetes bairdi ) crab has coincided with loss of spring sea ice extent and northward contraction of the ‘cold pool,’ a layer of cold ( 10 µm) such as diatoms was elevated in the colder year particularly over the central...
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| Veröffentlicht in: | Polar biology 2021-09, Vol.44 (9), p.1883-1901 |
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| creator | Copeman, Louise A. Ryer, Clifford H. Eisner, Lisa B. Nielsen, Jens M. Spencer, Mara L. Iseri, Paul J. Ottmar, Michele L. |
| description | The decline of eastern Bering Sea snow (
Chionoecetes opilio
) and Tanner (
Chionoecetes bairdi
) crab has coincided with loss of spring sea ice extent and northward contraction of the ‘cold pool,’ a layer of cold ( 10 µm) such as diatoms was elevated in the colder year particularly over the central middle shelf. During the cold year, crab storage of diatom-sourced fatty acids (16:1n-7 to 16:0,
r
2
= 0.72) as well as a station-specific relationship between large size-fraction integrated chla and crab total fatty acids (
r
2
= 0.5) points to the potential importance of diatoms to juvenile crab nutrition. Our results suggest that continued warming and loss of sea ice across the Bering Sea may reduce juvenile crab lipid storage through both direct thermal effects as well as through the reduction of large-size phytoplankton delivered to the benthos. |
| doi_str_mv | 10.1007/s00300-021-02926-0 |
| format | Article |
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Chionoecetes opilio
) and Tanner (
Chionoecetes bairdi
) crab has coincided with loss of spring sea ice extent and northward contraction of the ‘cold pool,’ a layer of cold (< 2 °C) summer bottom water. We measured temperature-associated growth and lipid storage of lab-reared Tanner crab, as well as the fatty acid content of field-collected juvenile
Chionoecetes
spp. Field collections occurred during a cold, high sea ice year (2012) and a warm, low ice year (2014), representative of cold and warm climate stanzas in the southeastern Bering Sea. Lab-reared Tanner crab maintained the lowest growth rates but highest lipids under cold conditions (2 °C). In the field, crabs contained higher fatty acids per wet weight (mg g
−1
) during 2012 than during 2014. Water column-integrated chlorophyll a (chla, an indicator of phytoplankton biomass) from large particles (> 10 µm) such as diatoms was elevated in the colder year particularly over the central middle shelf. During the cold year, crab storage of diatom-sourced fatty acids (16:1n-7 to 16:0,
r
2
= 0.72) as well as a station-specific relationship between large size-fraction integrated chla and crab total fatty acids (
r
2
= 0.5) points to the potential importance of diatoms to juvenile crab nutrition. Our results suggest that continued warming and loss of sea ice across the Bering Sea may reduce juvenile crab lipid storage through both direct thermal effects as well as through the reduction of large-size phytoplankton delivered to the benthos.</description><identifier>ISSN: 0722-4060</identifier><identifier>EISSN: 1432-2056</identifier><identifier>DOI: 10.1007/s00300-021-02926-0</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Bacillariophyceae ; Benthos ; Biomedical and Life Sciences ; Bottom water ; Chionoecetes ; Chionoecetes bairdi ; Chlorophyll ; Chlorophyll a ; Cold ; Cold storage ; Collections ; Contraction ; Crustaceans ; Decapoda ; Diatoms ; Ecology ; Fatty acids ; Growth rate ; High seas ; Life Sciences ; Lipids ; Marine crustaceans ; Marine microorganisms ; Microbiology ; Nutrition ; Oceanography ; Original Paper ; Phytoplankton ; Plant Sciences ; Sea ice ; Temperature effects ; Water circulation ; Water column ; Wet weight ; Zoology</subject><ispartof>Polar biology, 2021-09, Vol.44 (9), p.1883-1901</ispartof><rights>This is a U.S. government work and not under copyright protection in the U.S.; foreign copyright protection may apply 2021</rights><rights>This is a U.S. government work and not under copyright protection in the U.S.; foreign copyright protection may apply 2021.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c319t-1726b85bc940caa244dfbe74968177e7934becab658b6cb61af65404692841243</citedby><cites>FETCH-LOGICAL-c319t-1726b85bc940caa244dfbe74968177e7934becab658b6cb61af65404692841243</cites><orcidid>0000-0002-8851-7586</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00300-021-02926-0$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00300-021-02926-0$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Copeman, Louise A.</creatorcontrib><creatorcontrib>Ryer, Clifford H.</creatorcontrib><creatorcontrib>Eisner, Lisa B.</creatorcontrib><creatorcontrib>Nielsen, Jens M.</creatorcontrib><creatorcontrib>Spencer, Mara L.</creatorcontrib><creatorcontrib>Iseri, Paul J.</creatorcontrib><creatorcontrib>Ottmar, Michele L.</creatorcontrib><title>Decreased lipid storage in juvenile Bering Sea crabs (Chionoecetes spp.) in a warm (2014) compared to a cold (2012) year on the southeastern Bering Sea</title><title>Polar biology</title><addtitle>Polar Biol</addtitle><description>The decline of eastern Bering Sea snow (
Chionoecetes opilio
) and Tanner (
Chionoecetes bairdi
) crab has coincided with loss of spring sea ice extent and northward contraction of the ‘cold pool,’ a layer of cold (< 2 °C) summer bottom water. We measured temperature-associated growth and lipid storage of lab-reared Tanner crab, as well as the fatty acid content of field-collected juvenile
Chionoecetes
spp. Field collections occurred during a cold, high sea ice year (2012) and a warm, low ice year (2014), representative of cold and warm climate stanzas in the southeastern Bering Sea. Lab-reared Tanner crab maintained the lowest growth rates but highest lipids under cold conditions (2 °C). In the field, crabs contained higher fatty acids per wet weight (mg g
−1
) during 2012 than during 2014. Water column-integrated chlorophyll a (chla, an indicator of phytoplankton biomass) from large particles (> 10 µm) such as diatoms was elevated in the colder year particularly over the central middle shelf. During the cold year, crab storage of diatom-sourced fatty acids (16:1n-7 to 16:0,
r
2
= 0.72) as well as a station-specific relationship between large size-fraction integrated chla and crab total fatty acids (
r
2
= 0.5) points to the potential importance of diatoms to juvenile crab nutrition. Our results suggest that continued warming and loss of sea ice across the Bering Sea may reduce juvenile crab lipid storage through both direct thermal effects as well as through the reduction of large-size phytoplankton delivered to the benthos.</description><subject>Bacillariophyceae</subject><subject>Benthos</subject><subject>Biomedical and Life Sciences</subject><subject>Bottom water</subject><subject>Chionoecetes</subject><subject>Chionoecetes bairdi</subject><subject>Chlorophyll</subject><subject>Chlorophyll a</subject><subject>Cold</subject><subject>Cold storage</subject><subject>Collections</subject><subject>Contraction</subject><subject>Crustaceans</subject><subject>Decapoda</subject><subject>Diatoms</subject><subject>Ecology</subject><subject>Fatty acids</subject><subject>Growth rate</subject><subject>High seas</subject><subject>Life Sciences</subject><subject>Lipids</subject><subject>Marine crustaceans</subject><subject>Marine microorganisms</subject><subject>Microbiology</subject><subject>Nutrition</subject><subject>Oceanography</subject><subject>Original Paper</subject><subject>Phytoplankton</subject><subject>Plant Sciences</subject><subject>Sea ice</subject><subject>Temperature effects</subject><subject>Water circulation</subject><subject>Water column</subject><subject>Wet weight</subject><subject>Zoology</subject><issn>0722-4060</issn><issn>1432-2056</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9UbtOwzAUtRBIlMIPMFliaYeUa8exkxHKU0JiAGbLcW7aVGkc7BTUL-F3SRskmBiuznBeujqEnDOYMQB1GQBigAg46y_jMoIDMmIi5hGHRB6SESjOIwESjslJCCsApqTIRuTrBq1HE7CgddVWBQ2d82aBtGroavOBTVUjvUZfNQv6goZab_JAJ_Nl5RqHFjsMNLTtbLozGPpp_JpOODAxpdatW-P74M71jHV1sWf4lG7ReOoa2i2RBrfpwYQOffOn6JQclaYOePaDY_J2d_s6f4ienu8f51dPkY1Z1kVMcZmnSW4zAdYYLkRR5qhEJlOmFKosFjlak8skzaXNJTOlTAQImfFUMC7iMbkYclvv3jcYOr1yG9_0lZonksuEp1nSq_igst6F4LHUra_Wxm81A70bQA8D6H4AvR9AQ2-KB1Nod1-h_43-x_UNOmGGCg</recordid><startdate>20210901</startdate><enddate>20210901</enddate><creator>Copeman, Louise A.</creator><creator>Ryer, Clifford H.</creator><creator>Eisner, Lisa B.</creator><creator>Nielsen, Jens M.</creator><creator>Spencer, Mara L.</creator><creator>Iseri, Paul J.</creator><creator>Ottmar, Michele L.</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QG</scope><scope>7QL</scope><scope>7SN</scope><scope>7SS</scope><scope>7T7</scope><scope>7TN</scope><scope>7U9</scope><scope>88A</scope><scope>8AO</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>H94</scope><scope>H95</scope><scope>HCIFZ</scope><scope>L.G</scope><scope>LK8</scope><scope>M7N</scope><scope>M7P</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><orcidid>https://orcid.org/0000-0002-8851-7586</orcidid></search><sort><creationdate>20210901</creationdate><title>Decreased lipid storage in juvenile Bering Sea crabs (Chionoecetes spp.) in a warm (2014) compared to a cold (2012) year on the southeastern Bering Sea</title><author>Copeman, Louise A. ; 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Chionoecetes opilio
) and Tanner (
Chionoecetes bairdi
) crab has coincided with loss of spring sea ice extent and northward contraction of the ‘cold pool,’ a layer of cold (< 2 °C) summer bottom water. We measured temperature-associated growth and lipid storage of lab-reared Tanner crab, as well as the fatty acid content of field-collected juvenile
Chionoecetes
spp. Field collections occurred during a cold, high sea ice year (2012) and a warm, low ice year (2014), representative of cold and warm climate stanzas in the southeastern Bering Sea. Lab-reared Tanner crab maintained the lowest growth rates but highest lipids under cold conditions (2 °C). In the field, crabs contained higher fatty acids per wet weight (mg g
−1
) during 2012 than during 2014. Water column-integrated chlorophyll a (chla, an indicator of phytoplankton biomass) from large particles (> 10 µm) such as diatoms was elevated in the colder year particularly over the central middle shelf. During the cold year, crab storage of diatom-sourced fatty acids (16:1n-7 to 16:0,
r
2
= 0.72) as well as a station-specific relationship between large size-fraction integrated chla and crab total fatty acids (
r
2
= 0.5) points to the potential importance of diatoms to juvenile crab nutrition. Our results suggest that continued warming and loss of sea ice across the Bering Sea may reduce juvenile crab lipid storage through both direct thermal effects as well as through the reduction of large-size phytoplankton delivered to the benthos.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s00300-021-02926-0</doi><tpages>19</tpages><orcidid>https://orcid.org/0000-0002-8851-7586</orcidid></addata></record> |
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| ispartof | Polar biology, 2021-09, Vol.44 (9), p.1883-1901 |
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| language | eng |
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| source | SpringerNature Journals |
| subjects | Bacillariophyceae Benthos Biomedical and Life Sciences Bottom water Chionoecetes Chionoecetes bairdi Chlorophyll Chlorophyll a Cold Cold storage Collections Contraction Crustaceans Decapoda Diatoms Ecology Fatty acids Growth rate High seas Life Sciences Lipids Marine crustaceans Marine microorganisms Microbiology Nutrition Oceanography Original Paper Phytoplankton Plant Sciences Sea ice Temperature effects Water circulation Water column Wet weight Zoology |
| title | Decreased lipid storage in juvenile Bering Sea crabs (Chionoecetes spp.) in a warm (2014) compared to a cold (2012) year on the southeastern Bering Sea |
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