Impact of upwelling on phytoplankton blooms and hypoxia along the Chinese coast in the East China Sea
This study evaluates the rarely observed phenomenon of the simultaneous occurrences of phytoplankton blooms, hypoxia, and upwelling along the Zhejiang coast in the East China Sea. Results show that the upwelling uplifted bottom water to 5–10 m below the surface. In the upwelling region, phytoplankto...
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| Veröffentlicht in: | Marine pollution bulletin 2021-06, Vol.167, p.112288-112288, Article 112288 |
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| creator | Chen, Chung-Chi Shiah, Fuh-Kwo Gong, Gwo-Ching Chen, Tzong-Yueh |
| description | This study evaluates the rarely observed phenomenon of the simultaneous occurrences of phytoplankton blooms, hypoxia, and upwelling along the Zhejiang coast in the East China Sea. Results show that the upwelling uplifted bottom water to 5–10 m below the surface. In the upwelling region, phytoplankton blooms (Chl a = 10.9 μg L−1) occurred and hypoxia or low-oxygen appeared below the surface water. High concentrations of nitrate and phosphate were regenerated in the hypoxic regions, corresponding with mean values (± SD) of 16.9 (± 1.5) and 0.90 (± 0.14) μM, respectively. The upwelling expanded the region of hypoxic water, which nearly reached the surface, thereby increasing the threat to marine life. In addition to fluvial nutrients, the upwelling of water with high nutrient levels, especially phosphates, can enhance phytoplankton blooms. The results suggest that hypoxia can become more severe due to further decomposition of bloom-derived organic matter after blooms crash. |
| doi_str_mv | 10.1016/j.marpolbul.2021.112288 |
| format | Article |
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Results show that the upwelling uplifted bottom water to 5–10 m below the surface. In the upwelling region, phytoplankton blooms (Chl a = 10.9 μg L−1) occurred and hypoxia or low-oxygen appeared below the surface water. High concentrations of nitrate and phosphate were regenerated in the hypoxic regions, corresponding with mean values (± SD) of 16.9 (± 1.5) and 0.90 (± 0.14) μM, respectively. The upwelling expanded the region of hypoxic water, which nearly reached the surface, thereby increasing the threat to marine life. In addition to fluvial nutrients, the upwelling of water with high nutrient levels, especially phosphates, can enhance phytoplankton blooms. The results suggest that hypoxia can become more severe due to further decomposition of bloom-derived organic matter after blooms crash.</description><identifier>ISSN: 0025-326X</identifier><identifier>EISSN: 1879-3363</identifier><identifier>DOI: 10.1016/j.marpolbul.2021.112288</identifier><identifier>PMID: 33836334</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Blooms ; Bottom water ; East China Sea ; Hypoxia ; Mineral nutrients ; Nutrient regeneration ; Nutrients ; Ocean circulation ; Organic matter ; Phosphates ; Phytoplankton ; Phytoplankton blooms ; Plankton ; Surface water ; Upwelling ; Yangtze River</subject><ispartof>Marine pollution bulletin, 2021-06, Vol.167, p.112288-112288, Article 112288</ispartof><rights>2021 Elsevier Ltd</rights><rights>Copyright © 2021 Elsevier Ltd. All rights reserved.</rights><rights>Copyright Elsevier BV Jun 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c465t-b5e1c99e81cecac0d42d4afc692e1a4db89d6c14061c4a8e835cdbf78f7a8ecc3</citedby><cites>FETCH-LOGICAL-c465t-b5e1c99e81cecac0d42d4afc692e1a4db89d6c14061c4a8e835cdbf78f7a8ecc3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0025326X21003222$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33836334$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Chen, Chung-Chi</creatorcontrib><creatorcontrib>Shiah, Fuh-Kwo</creatorcontrib><creatorcontrib>Gong, Gwo-Ching</creatorcontrib><creatorcontrib>Chen, Tzong-Yueh</creatorcontrib><title>Impact of upwelling on phytoplankton blooms and hypoxia along the Chinese coast in the East China Sea</title><title>Marine pollution bulletin</title><addtitle>Mar Pollut Bull</addtitle><description>This study evaluates the rarely observed phenomenon of the simultaneous occurrences of phytoplankton blooms, hypoxia, and upwelling along the Zhejiang coast in the East China Sea. Results show that the upwelling uplifted bottom water to 5–10 m below the surface. In the upwelling region, phytoplankton blooms (Chl a = 10.9 μg L−1) occurred and hypoxia or low-oxygen appeared below the surface water. High concentrations of nitrate and phosphate were regenerated in the hypoxic regions, corresponding with mean values (± SD) of 16.9 (± 1.5) and 0.90 (± 0.14) μM, respectively. The upwelling expanded the region of hypoxic water, which nearly reached the surface, thereby increasing the threat to marine life. In addition to fluvial nutrients, the upwelling of water with high nutrient levels, especially phosphates, can enhance phytoplankton blooms. The results suggest that hypoxia can become more severe due to further decomposition of bloom-derived organic matter after blooms crash.</description><subject>Blooms</subject><subject>Bottom water</subject><subject>East China Sea</subject><subject>Hypoxia</subject><subject>Mineral nutrients</subject><subject>Nutrient regeneration</subject><subject>Nutrients</subject><subject>Ocean circulation</subject><subject>Organic matter</subject><subject>Phosphates</subject><subject>Phytoplankton</subject><subject>Phytoplankton blooms</subject><subject>Plankton</subject><subject>Surface water</subject><subject>Upwelling</subject><subject>Yangtze River</subject><issn>0025-326X</issn><issn>1879-3363</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqFkctu1DAUhi1URIfCKxRL3bDJ4FsSZ1mNWqhUiQUgsbOc45OOh8RO46Rl3h4PU7roBnlhH_s7F_8_IR84W3PGq0-79WCnMfbt0q8FE3zNuRBavyIrruumkLKSJ2TFmCgLKaqfp-RtSjvGWC1q_oacSqkzIdWK4M0wWphp7OgyPmLf-3BHY6Djdj_Hsbfh15yjto9xSNQGR7f7Mf72lto-ZnLeIt1sfcCEFKJNM_Xh7-XV4Xx4sfQb2nfkdWf7hO-f9jPy4_rq--ZLcfv1883m8rYAVZVz0ZbIoWlQc0CwwJwSTtkOqkYgt8q1unEVcMUqDspq1LIE13a17uocAcgz8vFYd5zi_YJpNoNPkH9lA8YlGVFmnVReTUYvXqC7uEwhT5cp1WShmBSZqo8UTDGlCTszTj5LvzecmYMTZmeenTAHJ8zRiZx5_lR_aQd0z3n_pM_A5RHALMiDx8kk8BgAnZ8QZuOi_2-TP_2bn1s</recordid><startdate>20210601</startdate><enddate>20210601</enddate><creator>Chen, Chung-Chi</creator><creator>Shiah, Fuh-Kwo</creator><creator>Gong, Gwo-Ching</creator><creator>Chen, Tzong-Yueh</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>7T7</scope><scope>7TN</scope><scope>7TV</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>M7N</scope><scope>P64</scope><scope>SOI</scope><scope>7X8</scope></search><sort><creationdate>20210601</creationdate><title>Impact of upwelling on phytoplankton blooms and hypoxia along the Chinese coast in the East China Sea</title><author>Chen, Chung-Chi ; Shiah, Fuh-Kwo ; Gong, Gwo-Ching ; Chen, Tzong-Yueh</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c465t-b5e1c99e81cecac0d42d4afc692e1a4db89d6c14061c4a8e835cdbf78f7a8ecc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Blooms</topic><topic>Bottom water</topic><topic>East China Sea</topic><topic>Hypoxia</topic><topic>Mineral nutrients</topic><topic>Nutrient regeneration</topic><topic>Nutrients</topic><topic>Ocean circulation</topic><topic>Organic matter</topic><topic>Phosphates</topic><topic>Phytoplankton</topic><topic>Phytoplankton blooms</topic><topic>Plankton</topic><topic>Surface water</topic><topic>Upwelling</topic><topic>Yangtze River</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, Chung-Chi</creatorcontrib><creatorcontrib>Shiah, Fuh-Kwo</creatorcontrib><creatorcontrib>Gong, Gwo-Ching</creatorcontrib><creatorcontrib>Chen, Tzong-Yueh</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Oceanic Abstracts</collection><collection>Pollution Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Marine pollution bulletin</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Chung-Chi</au><au>Shiah, Fuh-Kwo</au><au>Gong, Gwo-Ching</au><au>Chen, Tzong-Yueh</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Impact of upwelling on phytoplankton blooms and hypoxia along the Chinese coast in the East China Sea</atitle><jtitle>Marine pollution bulletin</jtitle><addtitle>Mar Pollut Bull</addtitle><date>2021-06-01</date><risdate>2021</risdate><volume>167</volume><spage>112288</spage><epage>112288</epage><pages>112288-112288</pages><artnum>112288</artnum><issn>0025-326X</issn><eissn>1879-3363</eissn><abstract>This study evaluates the rarely observed phenomenon of the simultaneous occurrences of phytoplankton blooms, hypoxia, and upwelling along the Zhejiang coast in the East China Sea. 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| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Blooms Bottom water East China Sea Hypoxia Mineral nutrients Nutrient regeneration Nutrients Ocean circulation Organic matter Phosphates Phytoplankton Phytoplankton blooms Plankton Surface water Upwelling Yangtze River |
| title | Impact of upwelling on phytoplankton blooms and hypoxia along the Chinese coast in the East China Sea |
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