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Water nutrient chemistry of ponds on Bratina Island, Antarctica
Entry ID: K081_2004_2005_NZ_3


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Summary
Abstract: Tweleve ponds on the McMurdo Ice Shelf were sampled to create and annual data set of water nutrient chemistry (DRP, NH4-N, NO3-N, TDN, TDP), pH, conductivity, temperature, phytoplankton chlorophyll a, and particulate N: P. Biological parameters collected include benthic algal chlorophyll a and ash-free dry weight, benthic microbial biomass, pigment and species composition. Species composition and dominance within the microbial mats varies from pond to pond. Photosynthetic and nitrogen fixation rates of benthic algae were determined from several ponds with contrasting physio-chemical properties. Samples were collected from ponds for algal species determination and microbial mat samples were collected and preserved for community spatial structure (i.e. position of each species within the microbial matrix). The annual 12-pond dataset has been operating since January 1988 and is one of the longest-running environmental datasets in Antarctica.

Related URL
Link: VIEW PROJECT HOME PAGE
Description: National Institute for Water and Atmospheric Research (NIWA)


Geographic Coverage
 N: -78.0 S: -78.0  E: 165.3333  W: 165.3333

Temporal Coverage
Start Date: 2005-01-21
Stop Date: 2005-01-29


Location Keywords
CONTINENT > ANTARCTICA
CONTINENT > ANTARCTICA > BRATINA ISLAND
GEOGRAPHIC REGION > POLAR


Science Keywords
TERRESTRIAL HYDROSPHERE >WATER QUALITY/WATER CHEMISTRY >CONDUCTIVITY    [Definition]
TERRESTRIAL HYDROSPHERE >WATER QUALITY/WATER CHEMISTRY >NITROGEN COMPOUNDS    [Definition]
TERRESTRIAL HYDROSPHERE >WATER QUALITY/WATER CHEMISTRY >NUTRIENTS    [Definition]
TERRESTRIAL HYDROSPHERE >WATER QUALITY/WATER CHEMISTRY >PH    [Definition]
TERRESTRIAL HYDROSPHERE >WATER QUALITY/WATER CHEMISTRY >PHOSPHOROUS COMPOUNDS    [Definition]
TERRESTRIAL HYDROSPHERE >WATER QUALITY/WATER CHEMISTRY >WATER TEMPERATURE    [Definition]
BIOLOGICAL CLASSIFICATION >BACTERIA/ARCHAEA >CYANOBACTERIA (BLUE-GREEN ALGAE)    [Definition]
BIOLOGICAL CLASSIFICATION >PLANTS >MICROALGAE    [Definition]
BIOSPHERE >ECOLOGICAL DYNAMICS >ECOSYSTEM FUNCTIONS >PHOTOSYNTHESIS    [Definition]
BIOSPHERE >ECOLOGICAL DYNAMICS >COMMUNITY DYNAMICS >COMMUNITY STRUCTURE    [Definition]


ISO Topic Category
BIOTA
INLAND WATERS


Project
LGP >Latitudinal Gradient Project    [Information]
EBA >Evolution and Biodiversity in the Antarctic    [Information]


Data Set Progress
COMPLETE


Originating Center


Data Center
Antarctica New Zealand, New Zealand Antarctic Institute, New Zealand    [Information]
Data Center URL: http://www.antarcticanz.govt.nz/

Data Center Personnel
Name: SHULAMIT GORDON
Phone: +64 3 358 0200
Fax: +64 3 358 0211
Email: s.gordon at antarcticanz.govt.nz
Contact Address:
Antarctica New Zealand
Private Bag 4745
City: Christchurch
Country: New Zealand


Personnel
BRIAN SORRELL
Role: INVESTIGATOR
Phone: +64 3 343 7802
Fax: +64 3 348 5548
Email: b.sorrell at niwa.co.nz
Contact Address:
NIWA
PO BOX 11-115
City: Christchurch
Country: New Zealand


IAN HAWES
Role: INVESTIGATOR
Email: AquaticResearchSolutions at gmail.com
Email: ian.hawes at canterbury.ac.nz
Contact Address:
Waterways Centre for Freshwater Management
University of Canterbury
City: Christchurch
Country: New Zealand


CLIVE HOWARD-WILLIAMS
Role: INVESTIGATOR
Phone: +64 3 343 7857
Fax: +64 3 348 5548
Email: c.howard-williams at niwa.co.nz
Contact Address:
NIWA
PO BOX 8602
City: Christchurch
Country: New Zealand


CEISHA POIROT
Role: DIF AUTHOR
Phone: +64 3 358 0200
Fax: +64 3 358 0211
Email: c.poirot at antarcticanz.govt.nz
Contact Address:
Antarctica New Zealand
Private Bag 4745
City: Christchurch
Country: New Zealand


SHULAMIT GORDON
Role: DIF AUTHOR
Phone: +64 3 358 0200
Fax: +64 3 358 0211
Email: s.gordon at antarcticanz.govt.nz
Contact Address:
Antarctica New Zealand
Private Bag 4745
City: Christchurch
Country: New Zealand


Publications/References
Jungblut, A.D. Hawes, I. Montford, D. Hitzfeld, B. Dietrich, D.R. Burns, P. Neilan, A. Diversity within cyanobacterial mat communities in variable salinity meltwater ponds of McMurdo Ice Shelf, Antarctica. Environmental microbiology 7(4): 519-529, 2005.

Creation and Review Dates
DIF Creation Date: 2008-10-06
Last DIF Revision Date: 2008-10-08


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