Phytoplankton production after the collapse of the Larsen A Ice Shelf, Antarctica
Part of the Larsen A Ice Shelf (64°15′S to 74°15′S) collapsed during January 1995. A first oceanographic and biological data set from the newly free waters was obtained during December 1996. Typical shelf waters with temperatures near and below the freezing point were found. A nutrient-rich water ma...
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| Veröffentlicht in: | Polar biology 2009-10, Vol.32 (10), p.1435-1446 |
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| description | Part of the Larsen A Ice Shelf (64°15′S to 74°15′S) collapsed during January 1995. A first oceanographic and biological data set from the newly free waters was obtained during December 1996. Typical shelf waters with temperatures near and below the freezing point were found. A nutrient-rich water mass (max: PO
4
3−
1.80 μmol L
−1
and NO
3
−
27.64 μmol L
−1
) was found between 70 and 200 m depth. Chlorophyll-
a
(Chl-
a
) values (max 14.24 μg L
−1
) were high; surface oxygen saturation ranged between 86 and 148%. Diatoms of the genera
Nitzschia
and
Navicula
and the prymnesiophyte
Phaeocystis sp.
were the most abundant taxa found. Mean daily primary production (Pc) estimated from nutrient consumption was 14.80 ± 0.17 mgC m
−3
day
−1
. Pc was significantly correlated with total diatom abundance and Chl-
a
. Calculated Δ
p
CO
2
(difference of the CO
2
partial pressure between surface seawater and the atmosphere) was –30.5 μatm, which could have contributed to a net CO
2
flux from the atmosphere to the sea and suggests the area has been a CO
2
sink during the studied period. High phytoplankton biomass and production values were found in this freshly open area, suggesting its importance for biological CO
2
pumping. |
| doi_str_mv | 10.1007/s00300-009-0638-x |
| format | Article |
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4
3−
1.80 μmol L
−1
and NO
3
−
27.64 μmol L
−1
) was found between 70 and 200 m depth. Chlorophyll-
a
(Chl-
a
) values (max 14.24 μg L
−1
) were high; surface oxygen saturation ranged between 86 and 148%. Diatoms of the genera
Nitzschia
and
Navicula
and the prymnesiophyte
Phaeocystis sp.
were the most abundant taxa found. Mean daily primary production (Pc) estimated from nutrient consumption was 14.80 ± 0.17 mgC m
−3
day
−1
. Pc was significantly correlated with total diatom abundance and Chl-
a
. Calculated Δ
p
CO
2
(difference of the CO
2
partial pressure between surface seawater and the atmosphere) was –30.5 μatm, which could have contributed to a net CO
2
flux from the atmosphere to the sea and suggests the area has been a CO
2
sink during the studied period. High phytoplankton biomass and production values were found in this freshly open area, suggesting its importance for biological CO
2
pumping.</description><identifier>ISSN: 0722-4060</identifier><identifier>EISSN: 1432-2056</identifier><identifier>DOI: 10.1007/s00300-009-0638-x</identifier><identifier>CODEN: POBIDP</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer-Verlag</publisher><subject>Animal and plant ecology ; Animal, plant and microbial ecology ; Atmosphere ; Biological and medical sciences ; Biomedical and Life Sciences ; Carbon dioxide ; Climate change ; Ecology ; Freezing ; Freezing point ; Fundamental and applied biological sciences. Psychology ; Geochemistry ; Greenhouse gases ; Ice shelves ; Life Sciences ; Microbiology ; Nutrients ; Oceanography ; Original Paper ; Particular ecosystems ; Phytoplankton ; Plankton ; Plant Sciences ; Primary production ; Seawater ; Synecology ; Zoology</subject><ispartof>Polar biology, 2009-10, Vol.32 (10), p.1435-1446</ispartof><rights>Springer-Verlag 2009</rights><rights>2009 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c345t-91d80827891c6a63cc51d04c95acb5fc4e2c81e07db81fe3a9defe72e0660073</citedby><cites>FETCH-LOGICAL-c345t-91d80827891c6a63cc51d04c95acb5fc4e2c81e07db81fe3a9defe72e0660073</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00300-009-0638-x$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00300-009-0638-x$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22007347$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Bertolin, M. Lila</creatorcontrib><creatorcontrib>Schloss, Irene R.</creatorcontrib><title>Phytoplankton production after the collapse of the Larsen A Ice Shelf, Antarctica</title><title>Polar biology</title><addtitle>Polar Biol</addtitle><description>Part of the Larsen A Ice Shelf (64°15′S to 74°15′S) collapsed during January 1995. A first oceanographic and biological data set from the newly free waters was obtained during December 1996. Typical shelf waters with temperatures near and below the freezing point were found. A nutrient-rich water mass (max: PO
4
3−
1.80 μmol L
−1
and NO
3
−
27.64 μmol L
−1
) was found between 70 and 200 m depth. Chlorophyll-
a
(Chl-
a
) values (max 14.24 μg L
−1
) were high; surface oxygen saturation ranged between 86 and 148%. Diatoms of the genera
Nitzschia
and
Navicula
and the prymnesiophyte
Phaeocystis sp.
were the most abundant taxa found. Mean daily primary production (Pc) estimated from nutrient consumption was 14.80 ± 0.17 mgC m
−3
day
−1
. Pc was significantly correlated with total diatom abundance and Chl-
a
. Calculated Δ
p
CO
2
(difference of the CO
2
partial pressure between surface seawater and the atmosphere) was –30.5 μatm, which could have contributed to a net CO
2
flux from the atmosphere to the sea and suggests the area has been a CO
2
sink during the studied period. High phytoplankton biomass and production values were found in this freshly open area, suggesting its importance for biological CO
2
pumping.</description><subject>Animal and plant ecology</subject><subject>Animal, plant and microbial ecology</subject><subject>Atmosphere</subject><subject>Biological and medical sciences</subject><subject>Biomedical and Life Sciences</subject><subject>Carbon dioxide</subject><subject>Climate change</subject><subject>Ecology</subject><subject>Freezing</subject><subject>Freezing point</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Geochemistry</subject><subject>Greenhouse gases</subject><subject>Ice shelves</subject><subject>Life Sciences</subject><subject>Microbiology</subject><subject>Nutrients</subject><subject>Oceanography</subject><subject>Original Paper</subject><subject>Particular ecosystems</subject><subject>Phytoplankton</subject><subject>Plankton</subject><subject>Plant Sciences</subject><subject>Primary production</subject><subject>Seawater</subject><subject>Synecology</subject><subject>Zoology</subject><issn>0722-4060</issn><issn>1432-2056</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp1kM1OwzAQhC0EEqXwANwsJG4Y1k7iJMeq4qdSJUD0brnOmraEJNiu1L49DqngxMlr7cy3u0PIJYdbDpDfeYAEgAGUDGRSsN0RGfE0EUxAJo_JCHIhWAoSTsmZ9xsAnsu0HJHXl9U-tF2tm4_QNrRzbbU1YR1LbQM6GlZITVvXuvNIW_vzn2vnsaETOjNI31ZY2xs6aYJ20Wj0OTmxuvZ4cXjHZPFwv5g-sfnz42w6mTOTpFlgJa8KKERelNxILRNjMl5BaspMm2VmTYrCFBwhr5YFt5joskKLuUCQMh6cjMnVgI0rf23RB7Vpt66JE5XgUCQR3ov4IDKu9d6hVZ1bf2q3VxxUn5saclMxN9XnpnbRc30Aa290bZ1uzNr_GoXop6c9Www6H1vNO7q_Bf6HfwMpIX0d</recordid><startdate>20091001</startdate><enddate>20091001</enddate><creator>Bertolin, M. Lila</creator><creator>Schloss, Irene R.</creator><general>Springer-Verlag</general><general>Springer</general><general>Springer Nature B.V</general><scope>IQODW</scope><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>AEUYN</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></search><sort><creationdate>20091001</creationdate><title>Phytoplankton production after the collapse of the Larsen A Ice Shelf, Antarctica</title><author>Bertolin, M. Lila ; Schloss, Irene R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c345t-91d80827891c6a63cc51d04c95acb5fc4e2c81e07db81fe3a9defe72e0660073</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Animal and plant ecology</topic><topic>Animal, plant and microbial ecology</topic><topic>Atmosphere</topic><topic>Biological and medical sciences</topic><topic>Biomedical and Life Sciences</topic><topic>Carbon dioxide</topic><topic>Climate change</topic><topic>Ecology</topic><topic>Freezing</topic><topic>Freezing point</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Geochemistry</topic><topic>Greenhouse gases</topic><topic>Ice shelves</topic><topic>Life Sciences</topic><topic>Microbiology</topic><topic>Nutrients</topic><topic>Oceanography</topic><topic>Original Paper</topic><topic>Particular ecosystems</topic><topic>Phytoplankton</topic><topic>Plankton</topic><topic>Plant Sciences</topic><topic>Primary production</topic><topic>Seawater</topic><topic>Synecology</topic><topic>Zoology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bertolin, M. 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Lila</au><au>Schloss, Irene R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Phytoplankton production after the collapse of the Larsen A Ice Shelf, Antarctica</atitle><jtitle>Polar biology</jtitle><stitle>Polar Biol</stitle><date>2009-10-01</date><risdate>2009</risdate><volume>32</volume><issue>10</issue><spage>1435</spage><epage>1446</epage><pages>1435-1446</pages><issn>0722-4060</issn><eissn>1432-2056</eissn><coden>POBIDP</coden><abstract>Part of the Larsen A Ice Shelf (64°15′S to 74°15′S) collapsed during January 1995. A first oceanographic and biological data set from the newly free waters was obtained during December 1996. Typical shelf waters with temperatures near and below the freezing point were found. A nutrient-rich water mass (max: PO
4
3−
1.80 μmol L
−1
and NO
3
−
27.64 μmol L
−1
) was found between 70 and 200 m depth. Chlorophyll-
a
(Chl-
a
) values (max 14.24 μg L
−1
) were high; surface oxygen saturation ranged between 86 and 148%. Diatoms of the genera
Nitzschia
and
Navicula
and the prymnesiophyte
Phaeocystis sp.
were the most abundant taxa found. Mean daily primary production (Pc) estimated from nutrient consumption was 14.80 ± 0.17 mgC m
−3
day
−1
. Pc was significantly correlated with total diatom abundance and Chl-
a
. Calculated Δ
p
CO
2
(difference of the CO
2
partial pressure between surface seawater and the atmosphere) was –30.5 μatm, which could have contributed to a net CO
2
flux from the atmosphere to the sea and suggests the area has been a CO
2
sink during the studied period. High phytoplankton biomass and production values were found in this freshly open area, suggesting its importance for biological CO
2
pumping.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer-Verlag</pub><doi>10.1007/s00300-009-0638-x</doi><tpages>12</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0722-4060 |
| ispartof | Polar biology, 2009-10, Vol.32 (10), p.1435-1446 |
| issn | 0722-4060 1432-2056 |
| language | eng |
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| source | SpringerLink Journals |
| subjects | Animal and plant ecology Animal, plant and microbial ecology Atmosphere Biological and medical sciences Biomedical and Life Sciences Carbon dioxide Climate change Ecology Freezing Freezing point Fundamental and applied biological sciences. Psychology Geochemistry Greenhouse gases Ice shelves Life Sciences Microbiology Nutrients Oceanography Original Paper Particular ecosystems Phytoplankton Plankton Plant Sciences Primary production Seawater Synecology Zoology |
| title | Phytoplankton production after the collapse of the Larsen A Ice Shelf, Antarctica |
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