Data

The effect of global climate change on Antarctic marine diatoms

Australian Antarctic Division
McMinn, A. and Taylor, F. ; MCMINN, ANDREW ; TAYLOR, FIONA
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://data.aad.gov.au/metadata/ASAC_2302&rft.title=The effect of global climate change on Antarctic marine diatoms&rft.identifier=http://data.aad.gov.au/metadata/ASAC_2302&rft.publisher=Australian Antarctic Data Centre&rft.description=Antarctic marine diatoms are sensitive to environment change. This project will determine the environmental niches occupied by key diatom species in Antarctic sediments. This will allow climate changes in the past to be interpreted from Holocene sediments and future changes in diatom biogeography to be predicted.Environmental manipulation and competition experiments using diatoms will identify the response of key taxa to environment modification. Understanding the environmental factors governing their distribution and natural variability will provide a basis to interpret palaeo-environment records, and allow predictions how this temperature-sensitive ecosystem will respond to future change.Diatoms for the experiments were collected in 2002 (Aurora Australia, Voyage 1) and 2003 (Aurora Australis, Voyage 1). On each occasion water from the ship's online seawater tap was filtered through a 20 micrometre plankton net for up to one hour into a sample jar. A portion of the sample was preserved in lugol's iodine for later phytoplankton analysis, and the rest of the sample maintained alive in the dark in seawater at a constant low temperature. The live sample is maintained at the AAD for culturing and environment manipulation and competition experiments.Project 2302Twenty-two water samples were collected from 24/10/02 to 11/11/02, in open seawater between 53 degrees 50 degrees S and 65 degrees 50 degrees S. At each site, the following were recorded from the ship's data logger: latitude, longitude, date, UCT time, local time, water depth, salinity, water temperature, chlorophyll A, UV radiation, and conductivity.Progress Code: completed&rft.creator=McMinn, A. and Taylor, F. &rft.creator=MCMINN, ANDREW &rft.creator=TAYLOR, FIONA &rft.date=2002&rft.coverage=westlimit=137.2986; southlimit=-65.7566; eastlimit=147.1191; northlimit=-53.8408&rft.coverage=westlimit=137.2986; southlimit=-65.7566; eastlimit=147.1191; northlimit=-53.8408&rft.coverage=uplimit=4551; downlimit=0&rft.coverage=uplimit=4551; downlimit=0&rft_rights=The dataset is available for download from the provided URL. Presently, diatom data are not yet available - only underway data collected by the ship's data logger.&rft_rights=Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/legalcode&rft_rights=This data set conforms to the CCBY Attribution License (http://creativecommons.org/licenses/by/4.0/). Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=ASAC_2302 when using these data.&rft_rights=This metadata record is publicly available.&rft_subject=biota&rft_subject=oceans&rft_subject=EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC RADIATION > ULTRAVIOLET RADIATION&rft_subject=EARTH SCIENCE > OCEANS > BATHYMETRY/SEAFLOOR TOPOGRAPHY > WATER DEPTH&rft_subject=EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE&rft_subject=EARTH SCIENCE > OCEANS > SALINITY/DENSITY > CONDUCTIVITY&rft_subject=EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY&rft_subject=EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > PROTISTS > DIATOMS&rft_subject=EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > PLANTS > MICROALGAE&rft_subject=EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > PLANTS&rft_subject=EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > PLANTS > MICROALGAE > DIATOMS&rft_subject=EARTH SCIENCE > BIOSPHERE > ECOSYSTEMS > AQUATIC ECOSYSTEMS > PLANKTON > PHYTOPLANKTON&rft_subject=EARTH SCIENCE > BIOSPHERE > ECOSYSTEMS > AQUATIC ECOSYSTEMS > PLANKTON&rft_subject=EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PIGMENTS > CHLOROPHYLL&rft_subject=ANTARCTICA&rft_subject=AURORA AUSTRALIS&rft_subject=CHLOROPHYLL A&rft_subject=CLIAMATE CHANGE&rft_subject=CONDUCTIVITY&rft_subject=DATE&rft_subject=DIATOMS&rft_subject=LATITUDE&rft_subject=SALINITY&rft_subject=LONGITUDE&rft_subject=SOUTHERN OCEAN&rft_subject=TEMPERATURE&rft_subject=TIME&rft_subject=ULTRAVIOLET RADIATION&rft_subject=UV RADIATION&rft_subject=WATER DEPTH&rft_subject=PLANKTON NETS&rft_subject=SHIPS&rft_subject=AMD/AU&rft_subject=CEOS&rft_subject=AMD&rft_subject=ACE/CRC&rft_subject=OCEAN > SOUTHERN OCEAN&rft_subject=CONTINENT > ANTARCTICA&rft_subject=GEOGRAPHIC REGION > POLAR&rft.type=dataset&rft.language=English Access the data
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Licence & Rights:

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CC-BY

Attribution 4.0 International (CC BY 4.0)
https://creativecommons.org/licenses/by/4.0/legalcode

The dataset is available for download from the provided URL.

Presently, diatom data are not yet available - only underway data collected by the ship's data logger.

This data set conforms to the CCBY Attribution License (http://creativecommons.org/licenses/by/4.0/).

Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=ASAC_2302 when using these data.

This metadata record is publicly available.

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Full description

Antarctic marine diatoms are sensitive to environment change. This project will determine the environmental niches occupied by key diatom species in Antarctic sediments. This will allow climate changes in the past to be interpreted from Holocene sediments and future changes in diatom biogeography to be predicted.

Environmental manipulation and competition experiments using diatoms will identify the response of key taxa to environment modification. Understanding the environmental factors governing their distribution and natural variability will provide a basis to interpret palaeo-environment records, and allow predictions how this temperature-sensitive ecosystem will respond to future change.

Diatoms for the experiments were collected in 2002 (Aurora Australia, Voyage 1) and 2003 (Aurora Australis, Voyage 1). On each occasion water from the ship's online seawater tap was filtered through a 20 micrometre plankton net for up to one hour into a sample jar. A portion of the sample was preserved in lugol's iodine for later phytoplankton analysis, and the rest of the sample maintained alive in the dark in seawater at a constant low temperature. The live sample is maintained at the AAD for culturing and environment manipulation and competition experiments.

Project 2302
Twenty-two water samples were collected from 24/10/02 to 11/11/02, in open seawater between 53 degrees 50 degrees S and 65 degrees 50 degrees S. At each site, the following were recorded from the ship's data logger: latitude, longitude, date, UCT time, local time, water depth, salinity, water temperature, chlorophyll A, UV radiation, and conductivity.

Lineage

Progress Code: completed

Data time period: 2002-10-24 to 2002-11-11

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147.1191,-53.8408 147.1191,-65.7566 137.2986,-65.7566 137.2986,-53.8408 147.1191,-53.8408

142.20885,-59.7987

text: westlimit=137.2986; southlimit=-65.7566; eastlimit=147.1191; northlimit=-53.8408

text: uplimit=4551; downlimit=0

Subjects
ACE/CRC | AMD | AMD/AU | ANTARCTICA | AURORA AUSTRALIS | CEOS | CHLOROPHYLL A | CLIAMATE CHANGE | CONDUCTIVITY | CONTINENT > ANTARCTICA | DATE | DIATOMS | EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC RADIATION > ULTRAVIOLET RADIATION | EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > PLANTS | EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > PLANTS > MICROALGAE | EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > PLANTS > MICROALGAE > DIATOMS | EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > PROTISTS > DIATOMS | EARTH SCIENCE > BIOSPHERE > ECOSYSTEMS > AQUATIC ECOSYSTEMS > PLANKTON | EARTH SCIENCE > BIOSPHERE > ECOSYSTEMS > AQUATIC ECOSYSTEMS > PLANKTON > PHYTOPLANKTON | EARTH SCIENCE > OCEANS > BATHYMETRY/SEAFLOOR TOPOGRAPHY > WATER DEPTH | EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PIGMENTS > CHLOROPHYLL | EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE | EARTH SCIENCE > OCEANS > SALINITY/DENSITY > CONDUCTIVITY | EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY | GEOGRAPHIC REGION > POLAR | LATITUDE | LONGITUDE | OCEAN > SOUTHERN OCEAN | PLANKTON NETS | SALINITY | SHIPS | SOUTHERN OCEAN | TEMPERATURE | TIME | ULTRAVIOLET RADIATION | UV RADIATION | WATER DEPTH | biota | oceans |

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Other Information
Download point for the data (GET DATA)

uri : https://data.aad.gov.au/eds/945/download

Public information for ASAC project 2302 (PROJECT HOME PAGE)

uri : https://projects.aad.gov.au/search_projects_results.cfm?project_no=2302

Citation reference for this metadata record and dataset (VIEW RELATED INFORMATION)

uri : http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=ASAC_2302

Identifiers
  • global : ASAC_2302