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Synthesis of particulate and extracellular carbon by phytoplankton at the marginal ice zone in the Barents Sea
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| Zeitschriftentitel: | Journal of Geophysical Research: Oceans |
|---|---|
| Personen und Körperschaften: | , , |
| In: | Journal of Geophysical Research: Oceans, 103, 1998, C1, S. 1023-1037 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Geophysical Union (AGU)
|
| Schlagwörter: |
| author_facet |
Vernet, María Matrai, Patricia A. Andreassen, Inger Vernet, María Matrai, Patricia A. Andreassen, Inger |
|---|---|
| author |
Vernet, María Matrai, Patricia A. Andreassen, Inger |
| spellingShingle |
Vernet, María Matrai, Patricia A. Andreassen, Inger Journal of Geophysical Research: Oceans Synthesis of particulate and extracellular carbon by phytoplankton at the marginal ice zone in the Barents Sea Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics |
| author_sort |
vernet, maría |
| spelling |
Vernet, María Matrai, Patricia A. Andreassen, Inger 0148-0227 American Geophysical Union (AGU) Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics http://dx.doi.org/10.1029/97jc02288 <jats:p>Large phytoplankton biomass accumulates during ice‐edge blooms in Arctic waters, where taxa such as diatoms or the prymnesiophyte<jats:italic>Phaeocystis pouchetii</jats:italic>usually dominate. Based on characteristics from temperate phytoplankton, we hypothesized that in Barents Sea waters, a larger fraction of primary production would be extracellular (for synthesis of colonial mucilage) during periods of dominance by<jats:italic>P</jats:italic>.<jats:italic>pouchetii</jats:italic>as opposed to periods when diatoms dominated. This alternation of<jats:italic>P</jats:italic>.<jats:italic>pouchetii</jats:italic>and diatoms would affect the relationship between the particulate and dissolved carbon pools in the upper water column of the marginal ice zone (MIZ). Results presented in this paper do not support this hypothesis. Although<jats:italic>P</jats:italic>.<jats:italic>pouchetii</jats:italic>contributed strongly to the extracellular carbon pool (mucilage and dissolved organic carbon, DOC) during an ice‐edge bloom in May 1993, arctic diatoms contributed an equal amount of exuded carbon. Three process stations visited along a north‐south transect in the MIZ in the Barents Sea, presented between 36% and 55% of the primary production as extracellular carbon, defined as labeled organic matter which passes through a Whatman GF/C filter. No difference in the carbon allocation between diatom‐ and<jats:italic>P. pouchetii</jats:italic>‐rich phytoplankton was observed in these stations. In contrast, the station located in ice‐free waters had 18% of primary production in the extracellular fraction. These results (1) highlight similar carbon allocation for diatom‐ and<jats:italic>P. pouchetii</jats:italic>‐dominated phytoplankton in surface waters of the Barents Sea during the spring and/or ice‐edge bloom at the MIZ and (2) suggest that polar phytoplankton may be stronger producers of extracellular carbon, and possibly DOC, than previously thought.</jats:p> Synthesis of particulate and extracellular carbon by phytoplankton at the marginal ice zone in the Barents Sea Journal of Geophysical Research: Oceans |
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Geographie Chemie und Pharmazie Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft Biologie Allgemeine Naturwissenschaft Physik Technik Geologie und Paläontologie |
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| title |
Synthesis of particulate and extracellular carbon by phytoplankton at the marginal ice zone in the Barents Sea |
| title_unstemmed |
Synthesis of particulate and extracellular carbon by phytoplankton at the marginal ice zone in the Barents Sea |
| title_full |
Synthesis of particulate and extracellular carbon by phytoplankton at the marginal ice zone in the Barents Sea |
| title_fullStr |
Synthesis of particulate and extracellular carbon by phytoplankton at the marginal ice zone in the Barents Sea |
| title_full_unstemmed |
Synthesis of particulate and extracellular carbon by phytoplankton at the marginal ice zone in the Barents Sea |
| title_short |
Synthesis of particulate and extracellular carbon by phytoplankton at the marginal ice zone in the Barents Sea |
| title_sort |
synthesis of particulate and extracellular carbon by phytoplankton at the marginal ice zone in the barents sea |
| topic |
Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics |
| url |
http://dx.doi.org/10.1029/97jc02288 |
| publishDate |
1998 |
| physical |
1023-1037 |
| description |
<jats:p>Large phytoplankton biomass accumulates during ice‐edge blooms in Arctic waters, where taxa such as diatoms or the prymnesiophyte<jats:italic>Phaeocystis pouchetii</jats:italic>usually dominate. Based on characteristics from temperate phytoplankton, we hypothesized that in Barents Sea waters, a larger fraction of primary production would be extracellular (for synthesis of colonial mucilage) during periods of dominance by<jats:italic>P</jats:italic>.<jats:italic>pouchetii</jats:italic>as opposed to periods when diatoms dominated. This alternation of<jats:italic>P</jats:italic>.<jats:italic>pouchetii</jats:italic>and diatoms would affect the relationship between the particulate and dissolved carbon pools in the upper water column of the marginal ice zone (MIZ). Results presented in this paper do not support this hypothesis. Although<jats:italic>P</jats:italic>.<jats:italic>pouchetii</jats:italic>contributed strongly to the extracellular carbon pool (mucilage and dissolved organic carbon, DOC) during an ice‐edge bloom in May 1993, arctic diatoms contributed an equal amount of exuded carbon. Three process stations visited along a north‐south transect in the MIZ in the Barents Sea, presented between 36% and 55% of the primary production as extracellular carbon, defined as labeled organic matter which passes through a Whatman GF/C filter. No difference in the carbon allocation between diatom‐ and<jats:italic>P. pouchetii</jats:italic>‐rich phytoplankton was observed in these stations. In contrast, the station located in ice‐free waters had 18% of primary production in the extracellular fraction. These results (1) highlight similar carbon allocation for diatom‐ and<jats:italic>P. pouchetii</jats:italic>‐dominated phytoplankton in surface waters of the Barents Sea during the spring and/or ice‐edge bloom at the MIZ and (2) suggest that polar phytoplankton may be stronger producers of extracellular carbon, and possibly DOC, than previously thought.</jats:p> |
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| author | Vernet, María, Matrai, Patricia A., Andreassen, Inger |
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| description | <jats:p>Large phytoplankton biomass accumulates during ice‐edge blooms in Arctic waters, where taxa such as diatoms or the prymnesiophyte<jats:italic>Phaeocystis pouchetii</jats:italic>usually dominate. Based on characteristics from temperate phytoplankton, we hypothesized that in Barents Sea waters, a larger fraction of primary production would be extracellular (for synthesis of colonial mucilage) during periods of dominance by<jats:italic>P</jats:italic>.<jats:italic>pouchetii</jats:italic>as opposed to periods when diatoms dominated. This alternation of<jats:italic>P</jats:italic>.<jats:italic>pouchetii</jats:italic>and diatoms would affect the relationship between the particulate and dissolved carbon pools in the upper water column of the marginal ice zone (MIZ). Results presented in this paper do not support this hypothesis. Although<jats:italic>P</jats:italic>.<jats:italic>pouchetii</jats:italic>contributed strongly to the extracellular carbon pool (mucilage and dissolved organic carbon, DOC) during an ice‐edge bloom in May 1993, arctic diatoms contributed an equal amount of exuded carbon. Three process stations visited along a north‐south transect in the MIZ in the Barents Sea, presented between 36% and 55% of the primary production as extracellular carbon, defined as labeled organic matter which passes through a Whatman GF/C filter. No difference in the carbon allocation between diatom‐ and<jats:italic>P. pouchetii</jats:italic>‐rich phytoplankton was observed in these stations. In contrast, the station located in ice‐free waters had 18% of primary production in the extracellular fraction. These results (1) highlight similar carbon allocation for diatom‐ and<jats:italic>P. pouchetii</jats:italic>‐dominated phytoplankton in surface waters of the Barents Sea during the spring and/or ice‐edge bloom at the MIZ and (2) suggest that polar phytoplankton may be stronger producers of extracellular carbon, and possibly DOC, than previously thought.</jats:p> |
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| imprint | American Geophysical Union (AGU), 1998 |
| imprint_str_mv | American Geophysical Union (AGU), 1998 |
| institution | DE-15, DE-Rs1, DE-Pl11, DE-105, DE-14, DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-Zwi2, DE-D161, DE-Gla1, DE-Zi4 |
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| physical | 1023-1037 |
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| spelling | Vernet, María Matrai, Patricia A. Andreassen, Inger 0148-0227 American Geophysical Union (AGU) Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics http://dx.doi.org/10.1029/97jc02288 <jats:p>Large phytoplankton biomass accumulates during ice‐edge blooms in Arctic waters, where taxa such as diatoms or the prymnesiophyte<jats:italic>Phaeocystis pouchetii</jats:italic>usually dominate. Based on characteristics from temperate phytoplankton, we hypothesized that in Barents Sea waters, a larger fraction of primary production would be extracellular (for synthesis of colonial mucilage) during periods of dominance by<jats:italic>P</jats:italic>.<jats:italic>pouchetii</jats:italic>as opposed to periods when diatoms dominated. This alternation of<jats:italic>P</jats:italic>.<jats:italic>pouchetii</jats:italic>and diatoms would affect the relationship between the particulate and dissolved carbon pools in the upper water column of the marginal ice zone (MIZ). Results presented in this paper do not support this hypothesis. Although<jats:italic>P</jats:italic>.<jats:italic>pouchetii</jats:italic>contributed strongly to the extracellular carbon pool (mucilage and dissolved organic carbon, DOC) during an ice‐edge bloom in May 1993, arctic diatoms contributed an equal amount of exuded carbon. Three process stations visited along a north‐south transect in the MIZ in the Barents Sea, presented between 36% and 55% of the primary production as extracellular carbon, defined as labeled organic matter which passes through a Whatman GF/C filter. No difference in the carbon allocation between diatom‐ and<jats:italic>P. pouchetii</jats:italic>‐rich phytoplankton was observed in these stations. In contrast, the station located in ice‐free waters had 18% of primary production in the extracellular fraction. These results (1) highlight similar carbon allocation for diatom‐ and<jats:italic>P. pouchetii</jats:italic>‐dominated phytoplankton in surface waters of the Barents Sea during the spring and/or ice‐edge bloom at the MIZ and (2) suggest that polar phytoplankton may be stronger producers of extracellular carbon, and possibly DOC, than previously thought.</jats:p> Synthesis of particulate and extracellular carbon by phytoplankton at the marginal ice zone in the Barents Sea Journal of Geophysical Research: Oceans |
| spellingShingle | Vernet, María, Matrai, Patricia A., Andreassen, Inger, Journal of Geophysical Research: Oceans, Synthesis of particulate and extracellular carbon by phytoplankton at the marginal ice zone in the Barents Sea, Paleontology, Space and Planetary Science, Earth and Planetary Sciences (miscellaneous), Atmospheric Science, Earth-Surface Processes, Geochemistry and Petrology, Soil Science, Water Science and Technology, Ecology, Aquatic Science, Forestry, Oceanography, Geophysics |
| title | Synthesis of particulate and extracellular carbon by phytoplankton at the marginal ice zone in the Barents Sea |
| title_full | Synthesis of particulate and extracellular carbon by phytoplankton at the marginal ice zone in the Barents Sea |
| title_fullStr | Synthesis of particulate and extracellular carbon by phytoplankton at the marginal ice zone in the Barents Sea |
| title_full_unstemmed | Synthesis of particulate and extracellular carbon by phytoplankton at the marginal ice zone in the Barents Sea |
| title_short | Synthesis of particulate and extracellular carbon by phytoplankton at the marginal ice zone in the Barents Sea |
| title_sort | synthesis of particulate and extracellular carbon by phytoplankton at the marginal ice zone in the barents sea |
| title_unstemmed | Synthesis of particulate and extracellular carbon by phytoplankton at the marginal ice zone in the Barents Sea |
| topic | Paleontology, Space and Planetary Science, Earth and Planetary Sciences (miscellaneous), Atmospheric Science, Earth-Surface Processes, Geochemistry and Petrology, Soil Science, Water Science and Technology, Ecology, Aquatic Science, Forestry, Oceanography, Geophysics |
| url | http://dx.doi.org/10.1029/97jc02288 |