Data

Effects of salinity and vapour pressure on gas exchange and water use in mangroves from northern Australia and Papua New Guinea

Australian Institute of Marine Science
Australian Institute of Marine Science (AIMS)
Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]
ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=http://geo.aims.gov.au/geonetwork/geonetwork/srv/eng/search?uuid=816a72d9-c384-4d3e-9e14-ce86a5479ddf&rft.title=Effects of salinity and vapour pressure on gas exchange and water use in mangroves from northern Australia and Papua New Guinea&rft.identifier=http://geo.aims.gov.au/geonetwork/geonetwork/srv/eng/search?uuid=816a72d9-c384-4d3e-9e14-ce86a5479ddf&rft.publisher=Australian Institute of Marine Science (AIMS)&rft.description=Gas exchange measurements were made on exposed sun leaves from 19 mangrove species (10 genera and 8 families) from 9 estuaries in north eastern Australia and Papua New Guinea. The estuaries varied in salinity and climatic regimes.The Australian localities included 5 sites in Queensland (Norman River, Daintree River, Trinity Inlet, Murray River, and Missionary Bay (Hinchinbrook Island) and one site in the Northern Territory (McArthur River). In Papua New Guinea the sites were Era, Wapo and Ivi Rivers (Gulf of Papua), Galley Reach and Motupore Island.Gas exchange measurements were made on between 2 and 27 leaves from each species sampled at each site. Leaves exposed to irradiances above 800 µmol/m²/s were chosen. Measurements were made with a portable photosynthesis system with a purpose designed leaf cuvette. Measurements were made of leaf temperature, the relative humidity and air temperature inside the cuvette. Gases were analysed with an infrared gas analyser. Barometric pressure was measured daily with an aneroid barometer. Ambient relative humidity was measured with an aspirated wet and dry bulb thermometer at 9am and 3pm.The data collected were used to calculate CO2 assimilation rate, stomatal conductance to CO2, intercellular CO2 concentrations and intrinsic water use efficiency. Soil salinity was measured in samples of the pore water, which drained into a 0.45 core hole. Samples were taken at a number of locations within each site. This field study was undertaken to determine whether salinity and leaf to air vapour pressure deficit influence photosynthetic carbon fixation and water use efficiency in mangroves.Maintenance and Update Frequency: notPlannedStatement: Statement: Gas exchange measurements were made with a Licor LI-6000 portable photosynthesis system (Li-Cor, Lincoln, Nebraska, USA) equipped with a leaf cuvette designed at AIMS. The cuvette, once clamped to the leaf, enclosed an area of 5.7 cm² of the lower (abaxial) leaf surface. The volume of the chamber was 275 cm³. The infrared gas analyser (IRGA) of the LI-600 was calibrated daily using a cylinder of air which had previously been intercalibrated against gas mixtures generated with Wosthoff pumps (H. Wostoff oHG, F.R. Germany). The IRGA zero was checked at approximately half-hourly intervals using CO2 free air that has been passed through soda lime.Leaf temperature was measured with a 36-SWG chromel constantan thermocouple pressed to the abaxial surface of the leaf.The relative humidity inside the cuvette were measured with a Vaisala Humicap 6061 RH sensor (Vaisala Oy, Helsinki, Finland). The humidity sensor was calibrated prior to each field trip using airstreams of known humidity.The air temperature inside the cuvette was measured using a YSI-44202 (Yellow Springs Instrument Co., Yellow Springs, Ohio, USA) linearised thermister.The rate of air flow to the gas analyser was measures with a mass flow meter (Tylan Model FM-360; Tylan Corporation, Torrence, California, USA)Pore water salinity was measured using a conductivity type salinometer (TPS Model 81C, TPS, Springwood, Queensland, Australia). Corrections were made for the temperature of the sample. The salinity of estuarine water samples was measured with the same salinometer of a refractometer.&rft.creator=Australian Institute of Marine Science (AIMS) &rft.date=2024&rft.coverage=westlimit=140.822; southlimit=-17.462; eastlimit=140.822; northlimit=-17.462&rft.coverage=westlimit=140.822; southlimit=-17.462; eastlimit=140.822; northlimit=-17.462&rft.coverage=westlimit=136.675; southlimit=-15.811; eastlimit=136.675; northlimit=-15.811&rft.coverage=westlimit=136.675; southlimit=-15.811; eastlimit=136.675; northlimit=-15.811&rft.coverage=westlimit=145.452; southlimit=-16.289; eastlimit=145.452; northlimit=-16.289&rft.coverage=westlimit=145.452; southlimit=-16.289; eastlimit=145.452; northlimit=-16.289&rft.coverage=westlimit=145.783; southlimit=-16.927; eastlimit=145.783; northlimit=-16.927&rft.coverage=westlimit=145.783; southlimit=-16.927; eastlimit=145.783; northlimit=-16.927&rft.coverage=westlimit=146.028; southlimit=-18.085; eastlimit=146.028; northlimit=-18.085&rft.coverage=westlimit=146.028; southlimit=-18.085; eastlimit=146.028; northlimit=-18.085&rft.coverage=westlimit=146.209; southlimit=-18.242; eastlimit=146.209; northlimit=-18.242&rft.coverage=westlimit=146.209; southlimit=-18.242; eastlimit=146.209; northlimit=-18.242&rft.coverage=westlimit=144.633333; southlimit=-7.5; eastlimit=144.633333; northlimit=-7.5&rft.coverage=westlimit=144.633333; southlimit=-7.5; eastlimit=144.633333; northlimit=-7.5&rft.coverage=westlimit=146.9; southlimit=-9.083333; eastlimit=146.9; northlimit=-9.083333&rft.coverage=westlimit=146.9; southlimit=-9.083333; eastlimit=146.9; northlimit=-9.083333&rft.coverage=westlimit=147.284674; southlimit=-9.523896; eastlimit=147.284674; northlimit=-9.523896&rft.coverage=westlimit=147.284674; southlimit=-9.523896; eastlimit=147.284674; northlimit=-9.523896&rft_rights= http://creativecommons.org/licenses/by-nc/3.0/au/&rft_rights=http://i.creativecommons.org/l/by-nc/3.0/au/88x31.png&rft_rights=WWW:LINK-1.0-http--related&rft_rights=License Graphic&rft_rights=Creative Commons Attribution-NonCommercial 3.0 Australia License&rft_rights=http://creativecommons.org/international/au/&rft_rights=WWW:LINK-1.0-http--related&rft_rights=WWW:LINK-1.0-http--related&rft_rights=License Text&rft_rights=Use Limitation: All AIMS data, products and services are provided as is and AIMS does not warrant their fitness for a particular purpose or non-infringement. While AIMS has made every reasonable effort to ensure high quality of the data, products and services, to the extent permitted by law the data, products and services are provided without any warranties of any kind, either expressed or implied, including without limitation any implied warranties of title, merchantability, and fitness for a particular purpose or non-infringement. AIMS make no representation or warranty that the data, products and services are accurate, complete, reliable or current. To the extent permitted by law, AIMS exclude all liability to any person arising directly or indirectly from the use of the data, products and services.&rft_rights=Attribution: Format for citation of metadata sourced from Australian Institute of Marine Science (AIMS) in a list of reference is as follows: Australian Institute of Marine Science (AIMS). (2011). Effects of salinity and vapour pressure on gas exchange and water use in mangroves from northern Australia and Papua New Guinea. https://apps.aims.gov.au/metadata/view/816a72d9-c384-4d3e-9e14-ce86a5479ddf, accessed[date-of-access].&rft_rights=Resource Usage:Use of the AIMS data is for not-for-profit applications only. All other users shall seek permission for use by contacting AIMS. Acknowledgements as prescribed must be clearly set out in the user's formal communications or publications.&rft_rights=Creative Commons Attribution-NonCommercial 3.0 Australia License http://creativecommons.org/licenses/by-nc/3.0/au&rft_subject=oceans&rft.type=dataset&rft.language=English Access the data
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Use Limitation: All AIMS data, products and services are provided "as is" and AIMS does not warrant their fitness for a particular purpose or non-infringement. While AIMS has made every reasonable effort to ensure high quality of the data, products and services, to the extent permitted by law the data, products and services are provided without any warranties of any kind, either expressed or implied, including without limitation any implied warranties of title, merchantability, and fitness for a particular purpose or non-infringement. AIMS make no representation or warranty that the data, products and services are accurate, complete, reliable or current. To the extent permitted by law, AIMS exclude all liability to any person arising directly or indirectly from the use of the data, products and services.

Attribution: Format for citation of metadata sourced from Australian Institute of Marine Science (AIMS) in a list of reference is as follows: "Australian Institute of Marine Science (AIMS). (2011). Effects of salinity and vapour pressure on gas exchange and water use in mangroves from northern Australia and Papua New Guinea. https://apps.aims.gov.au/metadata/view/816a72d9-c384-4d3e-9e14-ce86a5479ddf, accessed[date-of-access]".

Resource Usage:Use of the AIMS data is for not-for-profit applications only. All other users shall seek permission for use by contacting AIMS. Acknowledgements as prescribed must be clearly set out in the user's formal communications or publications.

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Brief description

Gas exchange measurements were made on exposed sun leaves from 19 mangrove species (10 genera and 8 families) from 9 estuaries in north eastern Australia and Papua New Guinea. The estuaries varied in salinity and climatic regimes.The Australian localities included 5 sites in Queensland (Norman River, Daintree River, Trinity Inlet, Murray River, and Missionary Bay (Hinchinbrook Island) and one site in the Northern Territory (McArthur River). In Papua New Guinea the sites were Era, Wapo and Ivi Rivers (Gulf of Papua), Galley Reach and Motupore Island.Gas exchange measurements were made on between 2 and 27 leaves from each species sampled at each site. Leaves exposed to irradiances above 800 µmol/m²/s were chosen. Measurements were made with a portable photosynthesis system with a purpose designed leaf cuvette. Measurements were made of leaf temperature, the relative humidity and air temperature inside the cuvette. Gases were analysed with an infrared gas analyser. Barometric pressure was measured daily with an aneroid barometer. Ambient relative humidity was measured with an aspirated wet and dry bulb thermometer at 9am and 3pm.The data collected were used to calculate CO2 assimilation rate, stomatal conductance to CO2, intercellular CO2 concentrations and intrinsic water use efficiency. Soil salinity was measured in samples of the pore water, which drained into a 0.45 core hole. Samples were taken at a number of locations within each site.
This field study was undertaken to determine whether salinity and leaf to air vapour pressure deficit influence photosynthetic carbon fixation and water use efficiency in mangroves.

Lineage

Maintenance and Update Frequency: notPlanned
Statement: Statement: Gas exchange measurements were made with a Licor LI-6000 portable photosynthesis system (Li-Cor, Lincoln, Nebraska, USA) equipped with a leaf cuvette designed at AIMS. The cuvette, once clamped to the leaf, enclosed an area of 5.7 cm² of the lower (abaxial) leaf surface. The volume of the chamber was 275 cm³. The infrared gas analyser (IRGA) of the LI-600 was calibrated daily using a cylinder of air which had previously been intercalibrated against gas mixtures generated with Wosthoff pumps (H. Wostoff oHG, F.R. Germany). The IRGA zero was checked at approximately half-hourly intervals using CO2 free air that has been passed through soda lime.Leaf temperature was measured with a 36-SWG chromel constantan thermocouple pressed to the abaxial surface of the leaf.The relative humidity inside the cuvette were measured with a Vaisala Humicap 6061 RH sensor (Vaisala Oy, Helsinki, Finland). The humidity sensor was calibrated prior to each field trip using airstreams of known humidity.The air temperature inside the cuvette was measured using a YSI-44202 (Yellow Springs Instrument Co., Yellow Springs, Ohio, USA) linearised thermister.The rate of air flow to the gas analyser was measures with a mass flow meter (Tylan Model FM-360; Tylan Corporation, Torrence, California, USA)Pore water salinity was measured using a conductivity type salinometer (TPS Model 81C, TPS, Springwood, Queensland, Australia). Corrections were made for the temperature of the sample. The salinity of estuarine water samples was measured with the same salinometer of a refractometer.

Notes

Credit
Clough, Barry F, Dr (Principal Investigator)

Modified: 12 03 2024

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140.822,-17.462

140.822,-17.462

136.675,-15.811

136.675,-15.811

145.452,-16.289

145.452,-16.289

145.783,-16.927

145.783,-16.927

146.028,-18.085

146.028,-18.085

146.209,-18.242

146.209,-18.242

144.63333,-7.5

144.633333,-7.5

146.9,-9.08333

146.9,-9.083333

147.28467,-9.5239

147.284674,-9.523896

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text: westlimit=136.675; southlimit=-15.811; eastlimit=136.675; northlimit=-15.811

text: westlimit=145.452; southlimit=-16.289; eastlimit=145.452; northlimit=-16.289

text: westlimit=145.783; southlimit=-16.927; eastlimit=145.783; northlimit=-16.927

text: westlimit=146.028; southlimit=-18.085; eastlimit=146.028; northlimit=-18.085

text: westlimit=146.209; southlimit=-18.242; eastlimit=146.209; northlimit=-18.242

text: westlimit=144.633333; southlimit=-7.5; eastlimit=144.633333; northlimit=-7.5

text: westlimit=146.9; southlimit=-9.083333; eastlimit=146.9; northlimit=-9.083333

text: westlimit=147.284674; southlimit=-9.523896; eastlimit=147.284674; northlimit=-9.523896

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Other Information
Changes in gas exchange characteristics and water use efficiency of mangroves in response to salinity and vapour pressure deficit: Clough BF and Sim RG (1989) Changes in gas exchange characteristics and water use efficiency of mangroves in response to salinity and vapour pressure deficit. Oecologia 79: 38-44.

local : articleId=2241

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  • global : 816a72d9-c384-4d3e-9e14-ce86a5479ddf
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