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The biomass, productivity and biodiversity of algae and bacteria in Granite Harbour and the physical parameters of their environment Entry ID: K043_2008_2009_NZ_2 |
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Summary
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Abstract:
The total biomass, productivity and biodiversity of algae and bacteria from the sea ice and the water column was investigated in Granite Harbour. Sampling sites in the Granite Harbour area were used to survey the sea ice for algae and bacteria by drilling cores and using bottom ice, brine and using the entire ice core to look at biomass in profile. Initial chlorophyll concentrations were determined on all samples and additional sub samples were collected for analysis of bacterial and algal cell counts, carbon concentrations, DNA content, MAA composition, species biodiversity and cell numbers. Sea water under the ice was sampled at 5, 25 and 50m depths and similar analysis were performed. CTD (conductivity, temperature and chlorophyll concentration) profiles were taken in the water column every day at solar noon. A brine survey was also conducted. The sampling sites were ~100m, ~200m & ~300m from a freshwater source (glacial ice near the camp site). Holes of depth 60cm, 80cm & 120cm were drilled using the SIPRE corer and the core was removed from the hole, prior to covering with a black plastic. Samples were analysed for salinity and kept for biomass measurements. Each sea ice and seawater sample will be screened for the following: (i) bacterial diversity, (ii) cyanobacterial sequences (iii) proteorhodopsin-containing sequences (iv) carbon content, (v) mycosporine-like amino acids (vi) chlorophyll a, (vii) viral community composition, (viii) nutrient concentration i.e. ammonium and phosphates, and (ix) methylumbelliferyl enzymatic activity.
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Related URL
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Link:
VIEW PROJECT HOME PAGE
Description: The Latitudinal Gradient Project homepage Link: VIEW RELATED INFORMATION Description: The investigators homepage |
Geographic Coverage
| N: -77.015 | S: -77.015 | E: 162.89 | W: 162.89 |
| Min Depth: 0 | Max Depth: 3.2 |
Temporal Coverage
| Start Date: 2008-11-15 |
| Stop Date: 2008-11-27 |
| Start Date: 2009-11-16 |
| Stop Date: 2009-12-29 |
Location Keywords
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CONTINENT
> ANTARCTICA
CONTINENT > ANTARCTICA > GRANITE HARBOUR GEOGRAPHIC REGION > POLAR |
Science Keywords
| TERRESTRIAL HYDROSPHERE >WATER QUALITY/WATER CHEMISTRY >CHLOROPHYLL [Definition] |
| OCEANS >SEA ICE [Definition] |
| BIOLOGICAL CLASSIFICATION >BACTERIA/ARCHAEA [Definition] |
| BIOLOGICAL CLASSIFICATION >PLANTS >MICROALGAE [Definition] |
| BIOSPHERE >AQUATIC ECOSYSTEMS >PLANKTON >PHYTOPLANKTON [Definition] |
| BIOSPHERE >AQUATIC ECOSYSTEMS >MARINE HABITAT [Definition] |
| BIOSPHERE >ECOLOGICAL DYNAMICS >SPECIES/POPULATION INTERACTIONS >GRAZING DYNAMICS/PLANT HERBIVORY [Definition] |
| BIOSPHERE >ECOLOGICAL DYNAMICS >COMMUNITY DYNAMICS >BIODIVERSITY FUNCTIONS [Definition] |
| BIOSPHERE >ECOLOGICAL DYNAMICS >ECOSYSTEM FUNCTIONS >PHOTOSYNTHESIS [Definition] |
| BIOSPHERE >ECOLOGICAL DYNAMICS >ECOSYSTEM FUNCTIONS >PRIMARY PRODUCTION [Definition] |
ISO Topic Category
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BIOTA
OCEANS |
Platform
| FIELD SURVEYS [Information] |
| FIELD INVESTIGATION [Information] |
Instrument
| CTD >Conductivity, Temperature, Depth [Information] |
| ICE AUGERS [Information] |
Project
| LGP >Latitudinal Gradient Project [Information] |
| IPY >INTERNATIONAL POLAR YEAR [Information] |
| EBA >Evolution and Biodiversity in the Antarctic [Information] |
Quality
| Samples are all held at Victoria University of Wellington. Please contact the investigator for more information. |
Data Set Progress
| IN WORK |
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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KEN
RYAN Role: INVESTIGATOR Phone: +64 4 463 6083 Fax: +64 4 463 5331 Email: ken.ryan at vuw.ac.nz Contact Address: Victoria University of Wellington School of Biological Sciences PO BOX 600 City: Wellington Postal Code: 6140 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 |
Creation and Review Dates
DIF Creation Date:
1999-04-07
Last DIF Revision Date:
2005-02-07
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