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Systematic survey and abundance investigations of the microfauna (tardigrades, nematodes and rotifers) in the meltpools of the McMurdo Ice Shelf Entry ID: K053_1987_1988_NZ_2 |
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Summary
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Abstract:
Quantitative examinations of the microfauna associated with the algal felts in small melt pools on the McMurdo Ice Shelf in the vicinity of Bratina Island off the northen tip of Brown Peninsula was conducted. The animal groups studied were Tardigrades, Nematodes and Rotifers. Eight ponds were selected to encompass a wide range of physical and chemical conditions which not represent the variability of ponds on the ice shelf. Therefore, a range of envrionmental conditions that each species could tolerate was determined and the abundance of each animal in pools of vastly different chemistry was compared. Samples for analyses were cores driven through the algal mat and 3-4cm into the underlying sediment. Five replicate samples and water samples were collected from each pond per day between January 17-24, 1988 at the same time each day (2300-2330h). Animals were extracted from the core and abundances counted. The optimal time of extraction, extraction efficiency and the vertical distribution of fauna in ponds was also investigated.
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Description: Please contact the investigator for any information or access to existing data |
Geographic Coverage
| N: -78.0167 | S: -78.0167 | E: 165.5333 | W: 165.5333 |
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Temporal Coverage
| Start Date: 1988-01-17 |
| Stop Date: 1988-01-24 |
Location Keywords
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CONTINENT
> ANTARCTICA
CONTINENT > ANTARCTICA > MCMURDO ICE SHELF CONTINENT > ANTARCTICA > BRATINA ISLAND GEOGRAPHIC REGION > POLAR |
Science Keywords
| BIOLOGICAL CLASSIFICATION >ANIMALS/INVERTEBRATES >WATER BEARS (TARDIGRADES) |
| BIOLOGICAL CLASSIFICATION >ANIMALS/INVERTEBRATES >ROTIFERS |
| BIOSPHERE >ECOLOGICAL DYNAMICS >ECOSYSTEM FUNCTIONS >BIOMASS DYNAMICS [Definition] |
| BIOSPHERE >ECOLOGICAL DYNAMICS >COMMUNITY DYNAMICS >COMMUNITY STRUCTURE [Definition] |
ISO Topic Category
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BIOTA
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Platform
| FIELD SURVEYS [Information] |
| GROUND-BASED OBSERVATIONS [Information] |
| FIELD INVESTIGATION [Information] |
Instrument
| SEDIMENT CORERS [Information] |
| MICROSCOPES [Information] |
| VISUAL OBSERVATIONS [Information] |
Keywords
| microfauna |
| tolerance limits |
| algae mats |
| abundance |
Data Set Progress
| COMPLETE |
Originating Center
Data Center
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Antarctica New Zealand, New Zealand Antarctic Institute, New Zealand
[Information]
Data Center URL: http://www.antarcticanz.govt.nz/
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Personnel
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PAUL
BROADY Role: INVESTIGATOR Phone: +64 3 364 2525 Fax: +64 3 364 2590 Email: paul.broady at canterbury.ac.nz Contact Address: School of Biological Sciences University of Canterbury Private Bag 4800 City: Christchurch Country: New Zealand |
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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 |
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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
Suren, A. Microflora associated with algal mats in melt ponds of the Ross Ice Shelf. Polar biology 10(5): 329-335, 1990.
Creation and Review Dates
DIF Creation Date:
2009-01-16
Last DIF Revision Date:
2009-01-16
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