Data

Plankton dynamics and geochemistry of Beaver Lake

Australian Antarctic Data Centre
LAYBOURN-PARRY, JOHANNA
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=info:doi10.4225/15/574BBB34312C2&rft.title=Plankton dynamics and geochemistry of Beaver Lake&rft.identifier=10.4225/15/574BBB34312C2&rft.publisher=Australian Antarctic Data Centre&rft.description=Preliminary Metadata record for data expected from ASAC Project 2324 See the link below for public details on this project. ---- Public Summary from Project ---- Epishelf lakes are freshwater lakes situated adjacent to ice-shelves. Their basins continue beneath the ice-shelf, thereby providing hydraulic connection to the sea. Recent work (Laybourn-Parry et al., 2001) on Beaver Lake (Eastern Antarctica) has demonstrated that epishelf lakes are ecosystems on the edge of existence, and that their populations of largely microbial organisms live under permanent stress. It has been suggested that epishelf lakes are old and have acted as refugia for Antarctic organisms. Thus one might expect to find that a significant component of their biota has a circum-polar distribution. Our approach has two main aims, firstly to examine the biodiversity of the microbial plankton using molecular techniques, and secondly to produce models of carbon cycling in the water column for the summer, thereby elucidating the functional dynamics of the plankton community. There are two files available for download from the URL given below. One is a text document detailing the methods used in the collection of these data, and the other is an excel spreadsheet of these data. The fields in this dataset are: Date Depth Ice Depth Temperature PAR DOC TOC Ammonium Nitrate SRP Chlorophyll Bacteria Viruses HNAN PNAN Ciliate Askenasia Monodinium scuticociliates Strombidium Mesodinium Zooplankton Boeckella Primary Production Bacterial Production&rft.creator=LAYBOURN-PARRY, JOHANNA &rft.date=2002&rft.coverage=northlimit=-70.75; southlimit=-70.77; westlimit=68.25; eastLimit=68.3; projection=WGS84&rft.coverage=northlimit=-70.75; southlimit=-70.77; westlimit=68.25; eastLimit=68.3; projection=WGS84&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_2324 when using these data.&rft_subject=biota&rft_subject=geoscientificInformation&rft_subject=inlandWaters&rft_subject=EARTH SCIENCE > TERRESTRIAL HYDROSPHERE > SURFACE WATER > SURFACE WATER FEATURES > LAKES/RESERVOIRS&rft_subject=PLANKTON&rft_subject=EARTH SCIENCE&rft_subject=BIOSPHERE&rft_subject=AQUATIC ECOSYSTEMS&rft_subject=AMMONIUM&rft_subject=ANTARCTICA&rft_subject=ASKENASIA&rft_subject=BACTERIA&rft_subject=BACTERIAL PRODUCTION&rft_subject=BOECKELLA&rft_subject=CHLOROPHYLL&rft_subject=CILIATE&rft_subject=DATE&rft_subject=DEPTH&rft_subject=DOC&rft_subject=HNAN&rft_subject=ICE DEPTH&rft_subject=LAKES&rft_subject=MESODINIUM&rft_subject=MONODINIUM&rft_subject=NITRATE&rft_subject=PAR&rft_subject=PNAN&rft_subject=PRIMARY PRODUCTION&rft_subject=SCUTICOCILIATES&rft_subject=SRP&rft_subject=STROMBIDIUM&rft_subject=TEMPERATURE&rft_subject=TOC&rft_subject=VIRUSES&rft_subject=ZOOPLANKTON&rft_subject=CONTINENT > ANTARCTICA&rft_subject=GEOGRAPHIC REGION > POLAR&rft_place=Hobart&rft.type=dataset&rft.language=English Access the data
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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_2324 when using these data.

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Brief description

Preliminary Metadata record for data expected from ASAC Project 2324 See the link below for public details on this project. ---- Public Summary from Project ---- Epishelf lakes are freshwater lakes situated adjacent to ice-shelves. Their basins continue beneath the ice-shelf, thereby providing hydraulic connection to the sea. Recent work (Laybourn-Parry et al., 2001) on Beaver Lake (Eastern Antarctica) has demonstrated that epishelf lakes are ecosystems on the edge of existence, and that their populations of largely microbial organisms live under permanent stress. It has been suggested that epishelf lakes are old and have acted as refugia for Antarctic organisms. Thus one might expect to find that a significant component of their biota has a circum-polar distribution. Our approach has two main aims, firstly to examine the biodiversity of the microbial plankton using molecular techniques, and secondly to produce models of carbon cycling in the water column for the summer, thereby elucidating the functional dynamics of the plankton community. There are two files available for download from the URL given below. One is a text document detailing the methods used in the collection of these data, and the other is an excel spreadsheet of these data. The fields in this dataset are: Date Depth Ice Depth Temperature PAR DOC TOC Ammonium Nitrate SRP Chlorophyll Bacteria Viruses HNAN PNAN Ciliate Askenasia Monodinium scuticociliates Strombidium Mesodinium Zooplankton Boeckella Primary Production Bacterial Production

Issued: 2002-07-02

Data time period: 2003-12-03 to 2004-01-28

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68.3,-70.75 68.3,-70.77 68.25,-70.77 68.25,-70.75 68.3,-70.75

68.275,-70.76

text: northlimit=-70.75; southlimit=-70.77; westlimit=68.25; eastLimit=68.3; projection=WGS84

Subjects
AMMONIUM | ANTARCTICA | AQUATIC ECOSYSTEMS | ASKENASIA | BACTERIA | BACTERIAL PRODUCTION | BIOSPHERE | BOECKELLA | CHLOROPHYLL | CILIATE | CONTINENT > ANTARCTICA | DATE | DEPTH | DOC | EARTH SCIENCE | EARTH SCIENCE > TERRESTRIAL HYDROSPHERE > SURFACE WATER > SURFACE WATER FEATURES > LAKES/RESERVOIRS | GEOGRAPHIC REGION > POLAR | HNAN | ICE DEPTH | LAKES | MESODINIUM | MONODINIUM | NITRATE | PAR | PLANKTON | PNAN | PRIMARY PRODUCTION | SCUTICOCILIATES | SRP | STROMBIDIUM | TEMPERATURE | TOC | VIRUSES | ZOOPLANKTON | biota | geoscientificInformation | inlandWaters |

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AU-ANL:PEAU : http://nla.gov.au/nla.party-617536

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