Massive outbreaks of Noctiluca scintillans blooms in the Arabian Sea due to spread of hypoxia
In the last decade, the northern Arabian Sea has witnessed a radical shift in the composition of winter phytoplankton blooms, which previously comprised mainly of diatoms, the unicellular, siliceous photosynthetic organisms favoured by nutrient-enriched waters from convective mixing. These trophical...
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description | In the last decade, the northern Arabian Sea has witnessed a radical shift in the composition of winter phytoplankton blooms, which previously comprised mainly of diatoms, the unicellular, siliceous photosynthetic organisms favoured by nutrient-enriched waters from convective mixing. These trophically important diatom blooms have been replaced by widespread blooms of a large, green dinoflagellate,
Noctiluca scintillans
, which combines carbon fixation from its chlorophyll-containing endosymbiont with ingestion of prey. Here, we report that these massive outbreaks of
N. scintillans
during winter are being facilitated by an unprecedented influx of oxygen deficient waters into the euphotic zone and by the extraordinary ability of its endosymbiont
Pedinomonas noctilucae
to fix carbon more efficiently than other phytoplankton under hypoxic conditions. We contend that
N. scintillans
blooms could disrupt the traditional diatom-sustained food chain to the detriment of regional fisheries and long-term health of an ecosystem supporting a coastal population of nearly 120 million people.
Phytoplankton blooms in the northern Arabian Sea have shifted from diatoms to green dinoflagellates in the last decade. Here, the authors show that influx of oxygen deficient waters, together with the ability of dinoflagellates’ endosymbionts to fix carbon under such conditions, facilitated the bloom shift. |
doi_str_mv | 10.1038/ncomms5862 |
format | Article |
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Noctiluca scintillans
, which combines carbon fixation from its chlorophyll-containing endosymbiont with ingestion of prey. Here, we report that these massive outbreaks of
N. scintillans
during winter are being facilitated by an unprecedented influx of oxygen deficient waters into the euphotic zone and by the extraordinary ability of its endosymbiont
Pedinomonas noctilucae
to fix carbon more efficiently than other phytoplankton under hypoxic conditions. We contend that
N. scintillans
blooms could disrupt the traditional diatom-sustained food chain to the detriment of regional fisheries and long-term health of an ecosystem supporting a coastal population of nearly 120 million people.
Phytoplankton blooms in the northern Arabian Sea have shifted from diatoms to green dinoflagellates in the last decade. Here, the authors show that influx of oxygen deficient waters, together with the ability of dinoflagellates’ endosymbionts to fix carbon under such conditions, facilitated the bloom shift.</description><identifier>ISSN: 2041-1723</identifier><identifier>EISSN: 2041-1723</identifier><identifier>DOI: 10.1038/ncomms5862</identifier><identifier>PMID: 25203785</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>14/63 ; 631/158/2446 ; Chlorophyta - physiology ; Dinoflagellida - growth & development ; Dinoflagellida - physiology ; Humanities and Social Sciences ; multidisciplinary ; Oceans and Seas ; Oxygen - chemistry ; Photosynthesis - physiology ; Science ; Science (multidisciplinary) ; Seasons ; Seawater - chemistry ; Seawater - parasitology ; Symbiosis - physiology</subject><ispartof>Nature communications, 2014-09, Vol.5 (1), p.4862-4862, Article 4862</ispartof><rights>Springer Nature Limited 2014</rights><rights>Copyright Nature Publishing Group Sep 2014</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c453t-f42afa09fb7eefc9ecd999f53088d4c4a229b7ccc9e3011a5ada9232660db1f33</citedby><cites>FETCH-LOGICAL-c453t-f42afa09fb7eefc9ecd999f53088d4c4a229b7ccc9e3011a5ada9232660db1f33</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1038/ncomms5862$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://doi.org/10.1038/ncomms5862$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41120,42189,51576</link.rule.ids><linktorsrc>$$Uhttps://doi.org/10.1038/ncomms5862$$EView_record_in_Springer_Nature$$FView_record_in_$$GSpringer_Nature</linktorsrc><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25203785$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>do Rosário Gomes, Helga</creatorcontrib><creatorcontrib>Goes, Joaquim I.</creatorcontrib><creatorcontrib>Matondkar, S. G. P.</creatorcontrib><creatorcontrib>Buskey, Edward J.</creatorcontrib><creatorcontrib>Basu, Subhajit</creatorcontrib><creatorcontrib>Parab, Sushma</creatorcontrib><creatorcontrib>Thoppil, Prasad</creatorcontrib><title>Massive outbreaks of Noctiluca scintillans blooms in the Arabian Sea due to spread of hypoxia</title><title>Nature communications</title><addtitle>Nat Commun</addtitle><addtitle>Nat Commun</addtitle><description>In the last decade, the northern Arabian Sea has witnessed a radical shift in the composition of winter phytoplankton blooms, which previously comprised mainly of diatoms, the unicellular, siliceous photosynthetic organisms favoured by nutrient-enriched waters from convective mixing. These trophically important diatom blooms have been replaced by widespread blooms of a large, green dinoflagellate,
Noctiluca scintillans
, which combines carbon fixation from its chlorophyll-containing endosymbiont with ingestion of prey. Here, we report that these massive outbreaks of
N. scintillans
during winter are being facilitated by an unprecedented influx of oxygen deficient waters into the euphotic zone and by the extraordinary ability of its endosymbiont
Pedinomonas noctilucae
to fix carbon more efficiently than other phytoplankton under hypoxic conditions. We contend that
N. scintillans
blooms could disrupt the traditional diatom-sustained food chain to the detriment of regional fisheries and long-term health of an ecosystem supporting a coastal population of nearly 120 million people.
Phytoplankton blooms in the northern Arabian Sea have shifted from diatoms to green dinoflagellates in the last decade. Here, the authors show that influx of oxygen deficient waters, together with the ability of dinoflagellates’ endosymbionts to fix carbon under such conditions, facilitated the bloom shift.</description><subject>14/63</subject><subject>631/158/2446</subject><subject>Chlorophyta - physiology</subject><subject>Dinoflagellida - growth & development</subject><subject>Dinoflagellida - physiology</subject><subject>Humanities and Social Sciences</subject><subject>multidisciplinary</subject><subject>Oceans and Seas</subject><subject>Oxygen - chemistry</subject><subject>Photosynthesis - physiology</subject><subject>Science</subject><subject>Science (multidisciplinary)</subject><subject>Seasons</subject><subject>Seawater - chemistry</subject><subject>Seawater - parasitology</subject><subject>Symbiosis - physiology</subject><issn>2041-1723</issn><issn>2041-1723</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNplkE1LAzEQhoMottRe_AES8CLKaj7341iKX1D1oB5lyWYTm7q7qcmu2H9vllYtOpcZmIdnhheAQ4zOMaLpRSNtXXuexmQHDAliOMIJobtb8wCMvV-gUDTDKWP7YEA4QTRJ-RC83AnvzYeCtmsLp8Sbh1bDeytbU3VSQC9NE8ZKNB4WlbW1h6aB7VzBiROFEQ18VAKWnYKthX4ZDGUvmK-W9tOIA7CnReXVeNNH4Pnq8ml6E80erm-nk1kkGadtpBkRWqBMF4lSWmZKllmWaU5RmpZMMkFIViRShg1FGAsuSpERSuIYlQXWlI7Aydq7dPa9U77Na-Ol6t9WtvM55jFmMU8wD-jxH3RhO9eE73oKpQQlMQrU6ZqSznrvlM6XztTCrXKM8j73_Df3AB9tlF1Rq_IH_U45AGdrIARkmlfltm7-130Bzd-Npg</recordid><startdate>20140909</startdate><enddate>20140909</enddate><creator>do Rosário Gomes, Helga</creator><creator>Goes, Joaquim I.</creator><creator>Matondkar, S. 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G. P.</au><au>Buskey, Edward J.</au><au>Basu, Subhajit</au><au>Parab, Sushma</au><au>Thoppil, Prasad</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Massive outbreaks of Noctiluca scintillans blooms in the Arabian Sea due to spread of hypoxia</atitle><jtitle>Nature communications</jtitle><stitle>Nat Commun</stitle><addtitle>Nat Commun</addtitle><date>2014-09-09</date><risdate>2014</risdate><volume>5</volume><issue>1</issue><spage>4862</spage><epage>4862</epage><pages>4862-4862</pages><artnum>4862</artnum><issn>2041-1723</issn><eissn>2041-1723</eissn><abstract>In the last decade, the northern Arabian Sea has witnessed a radical shift in the composition of winter phytoplankton blooms, which previously comprised mainly of diatoms, the unicellular, siliceous photosynthetic organisms favoured by nutrient-enriched waters from convective mixing. These trophically important diatom blooms have been replaced by widespread blooms of a large, green dinoflagellate,
Noctiluca scintillans
, which combines carbon fixation from its chlorophyll-containing endosymbiont with ingestion of prey. Here, we report that these massive outbreaks of
N. scintillans
during winter are being facilitated by an unprecedented influx of oxygen deficient waters into the euphotic zone and by the extraordinary ability of its endosymbiont
Pedinomonas noctilucae
to fix carbon more efficiently than other phytoplankton under hypoxic conditions. We contend that
N. scintillans
blooms could disrupt the traditional diatom-sustained food chain to the detriment of regional fisheries and long-term health of an ecosystem supporting a coastal population of nearly 120 million people.
Phytoplankton blooms in the northern Arabian Sea have shifted from diatoms to green dinoflagellates in the last decade. Here, the authors show that influx of oxygen deficient waters, together with the ability of dinoflagellates’ endosymbionts to fix carbon under such conditions, facilitated the bloom shift.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>25203785</pmid><doi>10.1038/ncomms5862</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record> |
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subjects | 14/63 631/158/2446 Chlorophyta - physiology Dinoflagellida - growth & development Dinoflagellida - physiology Humanities and Social Sciences multidisciplinary Oceans and Seas Oxygen - chemistry Photosynthesis - physiology Science Science (multidisciplinary) Seasons Seawater - chemistry Seawater - parasitology Symbiosis - physiology |
title | Massive outbreaks of Noctiluca scintillans blooms in the Arabian Sea due to spread of hypoxia |
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