Vertical Distributions of Macromolecular Composition of Particulate Organic Matter in the Water Column of the Amundsen Sea Polynya During the Summer in 2014
Macromolecular compositions (carbohydrates, proteins, and lipids) of particulate organic matter (POM) are crucial as a basic marine food quality. To date, however, one investigation has been carried out in the Amundsen Sea. Water samples for macromolecular compositions were obtained at selected seve...
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| Veröffentlicht in: | Journal of geophysical research. Oceans 2018-02, Vol.123 (2), p.1393-1405 |
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| container_title | Journal of geophysical research. Oceans |
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| creator | Kim, Bo Kyung Lee, SangHoon Ha, Sun‐Yong Jung, Jinyoung Kim, Tae Wan Yang, Eun Jin Jo, Naeun Lim, Yu Jeong Park, Jisoo Lee, Sang Heon |
| description | Macromolecular compositions (carbohydrates, proteins, and lipids) of particulate organic matter (POM) are crucial as a basic marine food quality. To date, however, one investigation has been carried out in the Amundsen Sea. Water samples for macromolecular compositions were obtained at selected seven stations in the Amundsen Sea Polynya (AP) during the austral summer in 2014 to investigate vertical characteristics of POM. We found that a high proportion of carbohydrates (45.9 ± 11.4%) in photic layer which are significantly different from the previous result (27.9 ± 6.9%) in the AP, 2012. The plausible reason could be the carbohydrate content strongly associated with biomass of the dominant species (Phaeocystis antarctica). The calorific content of food material (FM) in the photic layer obtained in this study is similar with that of the Ross Sea as one of the highest primary productivity regions in the Southern Ocean. Total concentrations, calorific values, and calorific contents of FM were higher in the photic layer than the aphotic layer, which implies that a significant fraction of organic matter underwent degradation. A decreasing proteins/carbohydrates (PRT/CHO) ratio with depth could be caused by preferential nitrogen loss during sinking period. Since the biochemical compositions of POM mostly fixed in photic layers could play an important role in transporting organic carbon into the deep sea, further detail studies on the variations in biochemical compositions and main controlling factors are needed to understand sinking mechanisms of POM.
Key Points
Different carbohydrate proportions of POM in photic layer are associated with biomass of the dominant P. antarctica
The calorific content of food material in the Amundsen Sea Polynya reaches up to that of the Ross Sea
Decreasing protein/carbohydrate ratio of POM is related with a preferential nitrogen loss during its sinking period |
| doi_str_mv | 10.1002/2017JC013457 |
| format | Article |
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Key Points
Different carbohydrate proportions of POM in photic layer are associated with biomass of the dominant P. antarctica
The calorific content of food material in the Amundsen Sea Polynya reaches up to that of the Ross Sea
Decreasing protein/carbohydrate ratio of POM is related with a preferential nitrogen loss during its sinking period</description><identifier>ISSN: 2169-9275</identifier><identifier>EISSN: 2169-9291</identifier><identifier>DOI: 10.1002/2017JC013457</identifier><language>eng</language><publisher>Washington: Blackwell Publishing Ltd</publisher><subject>Amundsen Sea ; Biodegradation ; Carbohydrates ; Composition ; Deep sea ; Deep sea environments ; Dominant species ; food material ; Food quality ; Foods ; Geophysics ; Lipids ; macromolecular compositions ; Macromolecules ; Organic carbon ; Organic matter ; Particulate organic matter ; polynya ; Polynyas ; Primary production ; Proteins ; Sinking ; Southern Ocean ; Summer ; Water analysis ; Water column ; Water sampling</subject><ispartof>Journal of geophysical research. Oceans, 2018-02, Vol.123 (2), p.1393-1405</ispartof><rights>2018. American Geophysical Union. All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a3308-d00f797c4400632172c1713a222808de9fbd74b91a2268e4c03d5e4d1c044d183</citedby><cites>FETCH-LOGICAL-a3308-d00f797c4400632172c1713a222808de9fbd74b91a2268e4c03d5e4d1c044d183</cites><orcidid>0000-0001-5257-7256 ; 0000-0002-0248-0066 ; 0000-0003-0284-1519 ; 0000-0003-3183-6428 ; 0000-0003-2445-0690</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2F2017JC013457$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2F2017JC013457$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,1427,27901,27902,45550,45551,46384,46808</link.rule.ids></links><search><creatorcontrib>Kim, Bo Kyung</creatorcontrib><creatorcontrib>Lee, SangHoon</creatorcontrib><creatorcontrib>Ha, Sun‐Yong</creatorcontrib><creatorcontrib>Jung, Jinyoung</creatorcontrib><creatorcontrib>Kim, Tae Wan</creatorcontrib><creatorcontrib>Yang, Eun Jin</creatorcontrib><creatorcontrib>Jo, Naeun</creatorcontrib><creatorcontrib>Lim, Yu Jeong</creatorcontrib><creatorcontrib>Park, Jisoo</creatorcontrib><creatorcontrib>Lee, Sang Heon</creatorcontrib><title>Vertical Distributions of Macromolecular Composition of Particulate Organic Matter in the Water Column of the Amundsen Sea Polynya During the Summer in 2014</title><title>Journal of geophysical research. Oceans</title><description>Macromolecular compositions (carbohydrates, proteins, and lipids) of particulate organic matter (POM) are crucial as a basic marine food quality. To date, however, one investigation has been carried out in the Amundsen Sea. Water samples for macromolecular compositions were obtained at selected seven stations in the Amundsen Sea Polynya (AP) during the austral summer in 2014 to investigate vertical characteristics of POM. We found that a high proportion of carbohydrates (45.9 ± 11.4%) in photic layer which are significantly different from the previous result (27.9 ± 6.9%) in the AP, 2012. The plausible reason could be the carbohydrate content strongly associated with biomass of the dominant species (Phaeocystis antarctica). The calorific content of food material (FM) in the photic layer obtained in this study is similar with that of the Ross Sea as one of the highest primary productivity regions in the Southern Ocean. Total concentrations, calorific values, and calorific contents of FM were higher in the photic layer than the aphotic layer, which implies that a significant fraction of organic matter underwent degradation. A decreasing proteins/carbohydrates (PRT/CHO) ratio with depth could be caused by preferential nitrogen loss during sinking period. Since the biochemical compositions of POM mostly fixed in photic layers could play an important role in transporting organic carbon into the deep sea, further detail studies on the variations in biochemical compositions and main controlling factors are needed to understand sinking mechanisms of POM.
Key Points
Different carbohydrate proportions of POM in photic layer are associated with biomass of the dominant P. antarctica
The calorific content of food material in the Amundsen Sea Polynya reaches up to that of the Ross Sea
Decreasing protein/carbohydrate ratio of POM is related with a preferential nitrogen loss during its sinking period</description><subject>Amundsen Sea</subject><subject>Biodegradation</subject><subject>Carbohydrates</subject><subject>Composition</subject><subject>Deep sea</subject><subject>Deep sea environments</subject><subject>Dominant species</subject><subject>food material</subject><subject>Food quality</subject><subject>Foods</subject><subject>Geophysics</subject><subject>Lipids</subject><subject>macromolecular compositions</subject><subject>Macromolecules</subject><subject>Organic carbon</subject><subject>Organic matter</subject><subject>Particulate organic matter</subject><subject>polynya</subject><subject>Polynyas</subject><subject>Primary production</subject><subject>Proteins</subject><subject>Sinking</subject><subject>Southern Ocean</subject><subject>Summer</subject><subject>Water analysis</subject><subject>Water column</subject><subject>Water sampling</subject><issn>2169-9275</issn><issn>2169-9291</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp9kctOwzAQRSMEElXpjg-wxJaAX23iZZVCoSqiojyWkes4xVUSF9sRyr_wsdgNQqzwwo-5547Hnig6R_AKQYivMUTJIoOI0HFyFA0wmrCYYYaOf_fJ-DQaWbuDfqQopZQNoq9XaZwSvAIzZZ1Rm9Yp3VigS_DAhdG1rqRoK25Apuu9tirIQV3x4POKk-DRbHmjhHc4Jw1QDXDvErzxcMh01dYHR4hN67YprGzAWnKw0lXXdBzMWqOa7UFft3XdZ_DPoWfRSckrK0c_6zB6ub15zu7i5eP8PpsuY04ITOMCwjJhiaAUwgnBKMECJYhwjHEK00KyclMkdMOQj0xSSQUkxVjSAglI_ZySYXTR590b_dFK6_Kdbk3jr8x9GYRBSkigLnvKf4u1Rpb53qiamy5HMA8tyP-2wOOkxz9VJbt_2Xwxf8pCbSn5BtuohzE</recordid><startdate>201802</startdate><enddate>201802</enddate><creator>Kim, Bo Kyung</creator><creator>Lee, SangHoon</creator><creator>Ha, Sun‐Yong</creator><creator>Jung, Jinyoung</creator><creator>Kim, Tae Wan</creator><creator>Yang, Eun Jin</creator><creator>Jo, Naeun</creator><creator>Lim, Yu Jeong</creator><creator>Park, Jisoo</creator><creator>Lee, Sang Heon</creator><general>Blackwell Publishing Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>7TN</scope><scope>F1W</scope><scope>H96</scope><scope>KL.</scope><scope>L.G</scope><orcidid>https://orcid.org/0000-0001-5257-7256</orcidid><orcidid>https://orcid.org/0000-0002-0248-0066</orcidid><orcidid>https://orcid.org/0000-0003-0284-1519</orcidid><orcidid>https://orcid.org/0000-0003-3183-6428</orcidid><orcidid>https://orcid.org/0000-0003-2445-0690</orcidid></search><sort><creationdate>201802</creationdate><title>Vertical Distributions of Macromolecular Composition of Particulate Organic Matter in the Water Column of the Amundsen Sea Polynya During the Summer in 2014</title><author>Kim, Bo Kyung ; Lee, SangHoon ; Ha, Sun‐Yong ; Jung, Jinyoung ; Kim, Tae Wan ; Yang, Eun Jin ; Jo, Naeun ; Lim, Yu Jeong ; Park, Jisoo ; Lee, Sang Heon</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a3308-d00f797c4400632172c1713a222808de9fbd74b91a2268e4c03d5e4d1c044d183</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Amundsen Sea</topic><topic>Biodegradation</topic><topic>Carbohydrates</topic><topic>Composition</topic><topic>Deep sea</topic><topic>Deep sea environments</topic><topic>Dominant species</topic><topic>food material</topic><topic>Food quality</topic><topic>Foods</topic><topic>Geophysics</topic><topic>Lipids</topic><topic>macromolecular compositions</topic><topic>Macromolecules</topic><topic>Organic carbon</topic><topic>Organic matter</topic><topic>Particulate organic matter</topic><topic>polynya</topic><topic>Polynyas</topic><topic>Primary production</topic><topic>Proteins</topic><topic>Sinking</topic><topic>Southern Ocean</topic><topic>Summer</topic><topic>Water analysis</topic><topic>Water column</topic><topic>Water sampling</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kim, Bo Kyung</creatorcontrib><creatorcontrib>Lee, SangHoon</creatorcontrib><creatorcontrib>Ha, Sun‐Yong</creatorcontrib><creatorcontrib>Jung, Jinyoung</creatorcontrib><creatorcontrib>Kim, Tae Wan</creatorcontrib><creatorcontrib>Yang, Eun Jin</creatorcontrib><creatorcontrib>Jo, Naeun</creatorcontrib><creatorcontrib>Lim, Yu Jeong</creatorcontrib><creatorcontrib>Park, Jisoo</creatorcontrib><creatorcontrib>Lee, Sang Heon</creatorcontrib><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Oceanic Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Journal of geophysical research. Oceans</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kim, Bo Kyung</au><au>Lee, SangHoon</au><au>Ha, Sun‐Yong</au><au>Jung, Jinyoung</au><au>Kim, Tae Wan</au><au>Yang, Eun Jin</au><au>Jo, Naeun</au><au>Lim, Yu Jeong</au><au>Park, Jisoo</au><au>Lee, Sang Heon</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Vertical Distributions of Macromolecular Composition of Particulate Organic Matter in the Water Column of the Amundsen Sea Polynya During the Summer in 2014</atitle><jtitle>Journal of geophysical research. Oceans</jtitle><date>2018-02</date><risdate>2018</risdate><volume>123</volume><issue>2</issue><spage>1393</spage><epage>1405</epage><pages>1393-1405</pages><issn>2169-9275</issn><eissn>2169-9291</eissn><abstract>Macromolecular compositions (carbohydrates, proteins, and lipids) of particulate organic matter (POM) are crucial as a basic marine food quality. To date, however, one investigation has been carried out in the Amundsen Sea. Water samples for macromolecular compositions were obtained at selected seven stations in the Amundsen Sea Polynya (AP) during the austral summer in 2014 to investigate vertical characteristics of POM. We found that a high proportion of carbohydrates (45.9 ± 11.4%) in photic layer which are significantly different from the previous result (27.9 ± 6.9%) in the AP, 2012. The plausible reason could be the carbohydrate content strongly associated with biomass of the dominant species (Phaeocystis antarctica). The calorific content of food material (FM) in the photic layer obtained in this study is similar with that of the Ross Sea as one of the highest primary productivity regions in the Southern Ocean. Total concentrations, calorific values, and calorific contents of FM were higher in the photic layer than the aphotic layer, which implies that a significant fraction of organic matter underwent degradation. A decreasing proteins/carbohydrates (PRT/CHO) ratio with depth could be caused by preferential nitrogen loss during sinking period. Since the biochemical compositions of POM mostly fixed in photic layers could play an important role in transporting organic carbon into the deep sea, further detail studies on the variations in biochemical compositions and main controlling factors are needed to understand sinking mechanisms of POM.
Key Points
Different carbohydrate proportions of POM in photic layer are associated with biomass of the dominant P. antarctica
The calorific content of food material in the Amundsen Sea Polynya reaches up to that of the Ross Sea
Decreasing protein/carbohydrate ratio of POM is related with a preferential nitrogen loss during its sinking period</abstract><cop>Washington</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1002/2017JC013457</doi><tpages>14</tpages><orcidid>https://orcid.org/0000-0001-5257-7256</orcidid><orcidid>https://orcid.org/0000-0002-0248-0066</orcidid><orcidid>https://orcid.org/0000-0003-0284-1519</orcidid><orcidid>https://orcid.org/0000-0003-3183-6428</orcidid><orcidid>https://orcid.org/0000-0003-2445-0690</orcidid></addata></record> |
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| subjects | Amundsen Sea Biodegradation Carbohydrates Composition Deep sea Deep sea environments Dominant species food material Food quality Foods Geophysics Lipids macromolecular compositions Macromolecules Organic carbon Organic matter Particulate organic matter polynya Polynyas Primary production Proteins Sinking Southern Ocean Summer Water analysis Water column Water sampling |
| title | Vertical Distributions of Macromolecular Composition of Particulate Organic Matter in the Water Column of the Amundsen Sea Polynya During the Summer in 2014 |
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