Photosynthetic and growth responses in three tropical seagrass species to pCO2 enrichment (440, 700, 890, 1204 µatm) (NERP TE 5.2, AIMS)
Purpose The aim of this study was to test the hypothesis that increased pCO2 would increase photosynthetic and growth rates to various extents between seagrass species. This dataset consists of one data file (spreadsheet) from a 2 week aquarium experiment manipulating pH (pCO2) changes and measuring...
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Online Access: | https://researchdata.edu.au/photosynthetic-growth-responses-52-aims/690525 |
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ftands:oai:ands.org.au::690525 2024-09-15T18:28:28+00:00 Photosynthetic and growth responses in three tropical seagrass species to pCO2 enrichment (440, 700, 890, 1204 µatm) (NERP TE 5.2, AIMS) Australian Institute of Marine Science (AIMS) (hasAssociationWith) Centre for Tropical Water & Aquatic Ecosystems Research (TropWater) (hasAssociationWith) Collier, Catherine, Dr (collaborator) Collier, Catherine, Dr (coInvestigator) Lawrey, Eric, Dr (pointOfContact) Lawrey, Eric, Dr. (pointOfContact) Ow, Yan Xiang (Party who can be contacted for acquiring knowledge about or acquisition of the
				resource) Ow, Yan Xiang (Key party responsible for gathering information and conducting
			research) Ow, Yan Xiang (pointOfContact) Ow, Yan Xiang (hasPrincipalInvestigator) Uthicke, Sven, Dr (coInvestigator) Uthicke, Sven, Dr (collaborator) Wolfe, Kennedy (Dr) (pointOfContact) e-Atlas (pointOfContact) eAtlas Data Manager (pointOfContact) mailto:b.robson@aims.gov.au (pointOfContact) Spatial: westlimit=146.8438; southlimit=-19.18133; eastlimit=146.8438; northlimit=-19.18133 Spatial: westlimit=145.9698; southlimit=-16.756170000000004; eastlimit=145.9698; northlimit=-16.756170000000004 Spatial: westlimit=147.05599; southlimit=-19.27229; eastlimit=147.05599; northlimit=-19.27229 Temporal: From 2013-04-01 to 2013-04-15 https://researchdata.edu.au/photosynthetic-growth-responses-52-aims/690525 unknown Australian Ocean Data Network https://researchdata.edu.au/photosynthetic-growth-responses-52-aims/690525 0fd70612-a07a-492a-bacf-8e0b7951da4d Australian Institute of Marine Science (AIMS) biota ocean acidification Cymodocea serrulata Halodule uninervis Thalassia hemprichii marine dataset ftands 2024-08-06T01:59:00Z Purpose The aim of this study was to test the hypothesis that increased pCO2 would increase photosynthetic and growth rates to various extents between seagrass species. This dataset consists of one data file (spreadsheet) from a 2 week aquarium experiment manipulating pH (pCO2) changes and measuring photosynthetic and growth responses of three tropical seagrass species (Cymodocea serrulata, Halodule uninervis and Thalassia hemprichii). The aim of this study was to test the hypothesis that increased pCO2 would increase photosynthetic and growth rates to various extents between seagrass species. Method: This experiment exposed three seagrass species, Cymodocea serrulata, Halodule uninervis and Thalassia hemprichii, to four pCO2 treatments (440, 700, 890, 1204 µatm) for two weeks to investigate the effects of acidification on their physiology. These treatments were chosen to bracket the range of atmospheric CO2 levels predicted for different end-of-century emission scenarios in the near-future (2100). Each treatment was replicated across four aquaria, each with 2 duplicate pots per species. C. serrulata and H. uninervis were collected from the intertidal meadow at Cockle Bay, Magnetic Island, Great Barrier Reef (19°10.88’S, 146°50.63’E) in late March 2013. T. hemprichii was collected from Green Island in the Northern Great Barrier Reef (16°45.37’S, 145°58.19’E) in early April 2013. H. uninervis and sediment was collected as intact plugs. C. serrulata and T. hemprichii were collected by excavating intact shoots with connected horizontal rhizomes from the sediment. The experiment started two to four weeks after the collection. Photosynthetic rates and respiration of the second youngest leaf of a haphazardly chosen shoot from each pot were measured using optical oxygen sensors. Photosynthetic rates were measured over a series of light steps (10, 30, 70, 110, 220, 400, 510 µmol m-2 s-1), with each light step lasting 20 minutes. Rates were normalised to the dry weight of the leaf, after drying leaves at 60°C for 48 ... Dataset Ocean acidification Green Island Magnetic Island Research Data Australia (Australian National Data Service - ANDS) |
institution |
Open Polar |
collection |
Research Data Australia (Australian National Data Service - ANDS) |
op_collection_id |
ftands |
language |
unknown |
topic |
biota ocean acidification Cymodocea serrulata Halodule uninervis Thalassia hemprichii marine |
spellingShingle |
biota ocean acidification Cymodocea serrulata Halodule uninervis Thalassia hemprichii marine Photosynthetic and growth responses in three tropical seagrass species to pCO2 enrichment (440, 700, 890, 1204 µatm) (NERP TE 5.2, AIMS) |
topic_facet |
biota ocean acidification Cymodocea serrulata Halodule uninervis Thalassia hemprichii marine |
description |
Purpose The aim of this study was to test the hypothesis that increased pCO2 would increase photosynthetic and growth rates to various extents between seagrass species. This dataset consists of one data file (spreadsheet) from a 2 week aquarium experiment manipulating pH (pCO2) changes and measuring photosynthetic and growth responses of three tropical seagrass species (Cymodocea serrulata, Halodule uninervis and Thalassia hemprichii). The aim of this study was to test the hypothesis that increased pCO2 would increase photosynthetic and growth rates to various extents between seagrass species. Method: This experiment exposed three seagrass species, Cymodocea serrulata, Halodule uninervis and Thalassia hemprichii, to four pCO2 treatments (440, 700, 890, 1204 µatm) for two weeks to investigate the effects of acidification on their physiology. These treatments were chosen to bracket the range of atmospheric CO2 levels predicted for different end-of-century emission scenarios in the near-future (2100). Each treatment was replicated across four aquaria, each with 2 duplicate pots per species. C. serrulata and H. uninervis were collected from the intertidal meadow at Cockle Bay, Magnetic Island, Great Barrier Reef (19°10.88’S, 146°50.63’E) in late March 2013. T. hemprichii was collected from Green Island in the Northern Great Barrier Reef (16°45.37’S, 145°58.19’E) in early April 2013. H. uninervis and sediment was collected as intact plugs. C. serrulata and T. hemprichii were collected by excavating intact shoots with connected horizontal rhizomes from the sediment. The experiment started two to four weeks after the collection. Photosynthetic rates and respiration of the second youngest leaf of a haphazardly chosen shoot from each pot were measured using optical oxygen sensors. Photosynthetic rates were measured over a series of light steps (10, 30, 70, 110, 220, 400, 510 µmol m-2 s-1), with each light step lasting 20 minutes. Rates were normalised to the dry weight of the leaf, after drying leaves at 60°C for 48 ... |
author2 |
Australian Institute of Marine Science (AIMS) (hasAssociationWith) Centre for Tropical Water & Aquatic Ecosystems Research (TropWater) (hasAssociationWith) Collier, Catherine, Dr (collaborator) Collier, Catherine, Dr (coInvestigator) Lawrey, Eric, Dr (pointOfContact) Lawrey, Eric, Dr. (pointOfContact) Ow, Yan Xiang (Party who can be contacted for acquiring knowledge about or acquisition of the
				resource) Ow, Yan Xiang (Key party responsible for gathering information and conducting
			research) Ow, Yan Xiang (pointOfContact) Ow, Yan Xiang (hasPrincipalInvestigator) Uthicke, Sven, Dr (coInvestigator) Uthicke, Sven, Dr (collaborator) Wolfe, Kennedy (Dr) (pointOfContact) e-Atlas (pointOfContact) eAtlas Data Manager (pointOfContact) mailto:b.robson@aims.gov.au (pointOfContact) |
format |
Dataset |
title |
Photosynthetic and growth responses in three tropical seagrass species to pCO2 enrichment (440, 700, 890, 1204 µatm) (NERP TE 5.2, AIMS) |
title_short |
Photosynthetic and growth responses in three tropical seagrass species to pCO2 enrichment (440, 700, 890, 1204 µatm) (NERP TE 5.2, AIMS) |
title_full |
Photosynthetic and growth responses in three tropical seagrass species to pCO2 enrichment (440, 700, 890, 1204 µatm) (NERP TE 5.2, AIMS) |
title_fullStr |
Photosynthetic and growth responses in three tropical seagrass species to pCO2 enrichment (440, 700, 890, 1204 µatm) (NERP TE 5.2, AIMS) |
title_full_unstemmed |
Photosynthetic and growth responses in three tropical seagrass species to pCO2 enrichment (440, 700, 890, 1204 µatm) (NERP TE 5.2, AIMS) |
title_sort |
photosynthetic and growth responses in three tropical seagrass species to pco2 enrichment (440, 700, 890, 1204 µatm) (nerp te 5.2, aims) |
publisher |
Australian Ocean Data Network |
url |
https://researchdata.edu.au/photosynthetic-growth-responses-52-aims/690525 |
op_coverage |
Spatial: westlimit=146.8438; southlimit=-19.18133; eastlimit=146.8438; northlimit=-19.18133 Spatial: westlimit=145.9698; southlimit=-16.756170000000004; eastlimit=145.9698; northlimit=-16.756170000000004 Spatial: westlimit=147.05599; southlimit=-19.27229; eastlimit=147.05599; northlimit=-19.27229 Temporal: From 2013-04-01 to 2013-04-15 |
genre |
Ocean acidification Green Island Magnetic Island |
genre_facet |
Ocean acidification Green Island Magnetic Island |
op_source |
Australian Institute of Marine Science (AIMS) |
op_relation |
https://researchdata.edu.au/photosynthetic-growth-responses-52-aims/690525 0fd70612-a07a-492a-bacf-8e0b7951da4d |
_version_ |
1810469832557068288 |