Short-term photoacclimation effects on photoinhibition of phytoplankton in the Drake Passage (Southern Ocean)
We assessed whether short-term photoacclimation responses of natural phytoplankton populations in the Drake Passage (Southern Ocean) were affecting protection from photodamage as cells are mixed up to the surface from depth. To this end, we measured phytoplankton fluorescence characteristics and the...
Published in: | Deep Sea Research Part I: Oceanographic Research Papers |
---|---|
Main Authors: | , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
2011
|
Subjects: | |
Online Access: | https://hdl.handle.net/11370/bd821ef5-cb41-41d1-a8b2-c14a98ce5f4e https://research.rug.nl/en/publications/bd821ef5-cb41-41d1-a8b2-c14a98ce5f4e https://doi.org/10.1016/j.dsr.2011.07.001 |
id |
ftunigroningenpu:oai:pure.rug.nl:publications/bd821ef5-cb41-41d1-a8b2-c14a98ce5f4e |
---|---|
record_format |
openpolar |
spelling |
ftunigroningenpu:oai:pure.rug.nl:publications/bd821ef5-cb41-41d1-a8b2-c14a98ce5f4e 2024-06-02T07:57:58+00:00 Short-term photoacclimation effects on photoinhibition of phytoplankton in the Drake Passage (Southern Ocean) Alderkamp, Anne-Carlijn Garcon, Veronique de Baar, Hein J. W. Arrigo, Kevin R. 2011-09 https://hdl.handle.net/11370/bd821ef5-cb41-41d1-a8b2-c14a98ce5f4e https://research.rug.nl/en/publications/bd821ef5-cb41-41d1-a8b2-c14a98ce5f4e https://doi.org/10.1016/j.dsr.2011.07.001 eng eng https://research.rug.nl/en/publications/bd821ef5-cb41-41d1-a8b2-c14a98ce5f4e info:eu-repo/semantics/closedAccess Alderkamp , A-C , Garcon , V , de Baar , H J W & Arrigo , K R 2011 , ' Short-term photoacclimation effects on photoinhibition of phytoplankton in the Drake Passage (Southern Ocean) ' , Deep-Sea research part i-Oceanographic research papers , vol. 58 , no. 9 , pp. 943-955 . https://doi.org/10.1016/j.dsr.2011.07.001 Phytoplankton Photoacclimation Antarctic Xanthophyll Pigments Upper mixed layer NATURAL ULTRAVIOLET-RADIATION PHOTOSYSTEM-II EFFICIENCY ANTARCTIC MARINE DIATOM UV-B RADIATION CHLOROPHYLL FLUORESCENCE PHAEOCYSTIS-ANTARCTICA ENERGY-DISSIPATION IRON LIMITATION FRAGILARIOPSIS-CYLINDRUS DIADINOXANTHIN CYCLE article 2011 ftunigroningenpu https://doi.org/10.1016/j.dsr.2011.07.001 2024-05-07T18:51:18Z We assessed whether short-term photoacclimation responses of natural phytoplankton populations in the Drake Passage (Southern Ocean) were affecting protection from photodamage as cells are mixed up to the surface from depth. To this end, we measured phytoplankton fluorescence characteristics and their ratio of xanthophyll cycle pigment to photosynthetic pigments within the upper mixed layer (UML) and in short-term deck incubation experiments. Phytoplankton within the UML photoacclimated by increasing their ratio of xanthophyll cycle (diadinoxanthin [dd] and diatoxanthin [dt]) pigments to chlorophyll a. The photoacclimation processes observed within the UML did, however, not influence the protection of phytoplankton from photodamage during short-term near-surface irradiance experiments. Exposure to near-surface irradiance resulted in photodamage in all experiments, regardless of the phytoplankton community composition and irradiance levels. Incubating phytoplankton for six hours at either 2% or 50% of surface irradiance prior to exposure to near-surface irradiance did not alter the photodamage characteristics. This suggests that short-term photoacclimation processes within the UML are not adequate to protect phytoplankton from photodamage when cells are mixed up to the surface from depth, and that repair of damaged photosystems is crucial for maintaining photosynthesis under fluctuating irradiance conditions, even at very low mean irradiance levels. Likely, continuously operating photoacclimation processes offset to some extent the negative effects of photodamage on photosynthetic performance, albeit with increased metabolic costs. (C) 2011 Elsevier Ltd. All rights reserved. Article in Journal/Newspaper Antarc* Antarctic Antarctica Drake Passage Southern Ocean University of Groningen research database Antarctic Southern Ocean Drake Passage Deep Sea Research Part I: Oceanographic Research Papers 58 9 943 955 |
institution |
Open Polar |
collection |
University of Groningen research database |
op_collection_id |
ftunigroningenpu |
language |
English |
topic |
Phytoplankton Photoacclimation Antarctic Xanthophyll Pigments Upper mixed layer NATURAL ULTRAVIOLET-RADIATION PHOTOSYSTEM-II EFFICIENCY ANTARCTIC MARINE DIATOM UV-B RADIATION CHLOROPHYLL FLUORESCENCE PHAEOCYSTIS-ANTARCTICA ENERGY-DISSIPATION IRON LIMITATION FRAGILARIOPSIS-CYLINDRUS DIADINOXANTHIN CYCLE |
spellingShingle |
Phytoplankton Photoacclimation Antarctic Xanthophyll Pigments Upper mixed layer NATURAL ULTRAVIOLET-RADIATION PHOTOSYSTEM-II EFFICIENCY ANTARCTIC MARINE DIATOM UV-B RADIATION CHLOROPHYLL FLUORESCENCE PHAEOCYSTIS-ANTARCTICA ENERGY-DISSIPATION IRON LIMITATION FRAGILARIOPSIS-CYLINDRUS DIADINOXANTHIN CYCLE Alderkamp, Anne-Carlijn Garcon, Veronique de Baar, Hein J. W. Arrigo, Kevin R. Short-term photoacclimation effects on photoinhibition of phytoplankton in the Drake Passage (Southern Ocean) |
topic_facet |
Phytoplankton Photoacclimation Antarctic Xanthophyll Pigments Upper mixed layer NATURAL ULTRAVIOLET-RADIATION PHOTOSYSTEM-II EFFICIENCY ANTARCTIC MARINE DIATOM UV-B RADIATION CHLOROPHYLL FLUORESCENCE PHAEOCYSTIS-ANTARCTICA ENERGY-DISSIPATION IRON LIMITATION FRAGILARIOPSIS-CYLINDRUS DIADINOXANTHIN CYCLE |
description |
We assessed whether short-term photoacclimation responses of natural phytoplankton populations in the Drake Passage (Southern Ocean) were affecting protection from photodamage as cells are mixed up to the surface from depth. To this end, we measured phytoplankton fluorescence characteristics and their ratio of xanthophyll cycle pigment to photosynthetic pigments within the upper mixed layer (UML) and in short-term deck incubation experiments. Phytoplankton within the UML photoacclimated by increasing their ratio of xanthophyll cycle (diadinoxanthin [dd] and diatoxanthin [dt]) pigments to chlorophyll a. The photoacclimation processes observed within the UML did, however, not influence the protection of phytoplankton from photodamage during short-term near-surface irradiance experiments. Exposure to near-surface irradiance resulted in photodamage in all experiments, regardless of the phytoplankton community composition and irradiance levels. Incubating phytoplankton for six hours at either 2% or 50% of surface irradiance prior to exposure to near-surface irradiance did not alter the photodamage characteristics. This suggests that short-term photoacclimation processes within the UML are not adequate to protect phytoplankton from photodamage when cells are mixed up to the surface from depth, and that repair of damaged photosystems is crucial for maintaining photosynthesis under fluctuating irradiance conditions, even at very low mean irradiance levels. Likely, continuously operating photoacclimation processes offset to some extent the negative effects of photodamage on photosynthetic performance, albeit with increased metabolic costs. (C) 2011 Elsevier Ltd. All rights reserved. |
format |
Article in Journal/Newspaper |
author |
Alderkamp, Anne-Carlijn Garcon, Veronique de Baar, Hein J. W. Arrigo, Kevin R. |
author_facet |
Alderkamp, Anne-Carlijn Garcon, Veronique de Baar, Hein J. W. Arrigo, Kevin R. |
author_sort |
Alderkamp, Anne-Carlijn |
title |
Short-term photoacclimation effects on photoinhibition of phytoplankton in the Drake Passage (Southern Ocean) |
title_short |
Short-term photoacclimation effects on photoinhibition of phytoplankton in the Drake Passage (Southern Ocean) |
title_full |
Short-term photoacclimation effects on photoinhibition of phytoplankton in the Drake Passage (Southern Ocean) |
title_fullStr |
Short-term photoacclimation effects on photoinhibition of phytoplankton in the Drake Passage (Southern Ocean) |
title_full_unstemmed |
Short-term photoacclimation effects on photoinhibition of phytoplankton in the Drake Passage (Southern Ocean) |
title_sort |
short-term photoacclimation effects on photoinhibition of phytoplankton in the drake passage (southern ocean) |
publishDate |
2011 |
url |
https://hdl.handle.net/11370/bd821ef5-cb41-41d1-a8b2-c14a98ce5f4e https://research.rug.nl/en/publications/bd821ef5-cb41-41d1-a8b2-c14a98ce5f4e https://doi.org/10.1016/j.dsr.2011.07.001 |
geographic |
Antarctic Southern Ocean Drake Passage |
geographic_facet |
Antarctic Southern Ocean Drake Passage |
genre |
Antarc* Antarctic Antarctica Drake Passage Southern Ocean |
genre_facet |
Antarc* Antarctic Antarctica Drake Passage Southern Ocean |
op_source |
Alderkamp , A-C , Garcon , V , de Baar , H J W & Arrigo , K R 2011 , ' Short-term photoacclimation effects on photoinhibition of phytoplankton in the Drake Passage (Southern Ocean) ' , Deep-Sea research part i-Oceanographic research papers , vol. 58 , no. 9 , pp. 943-955 . https://doi.org/10.1016/j.dsr.2011.07.001 |
op_relation |
https://research.rug.nl/en/publications/bd821ef5-cb41-41d1-a8b2-c14a98ce5f4e |
op_rights |
info:eu-repo/semantics/closedAccess |
op_doi |
https://doi.org/10.1016/j.dsr.2011.07.001 |
container_title |
Deep Sea Research Part I: Oceanographic Research Papers |
container_volume |
58 |
container_issue |
9 |
container_start_page |
943 |
op_container_end_page |
955 |
_version_ |
1800741206039199744 |