[Parent_DIF='K023_2004_2008_NZ_1']
|
Microbial diversity and the environmental factors that drive the microbial community in the Ross Sea Region Entry ID: K023_2004_2008_NZ_1 |
||||||||
|
[
Update this Record
]
|
Summary
|
Abstract:
The Antarctic environment has recently been shown to support a high level of diversity of bacteria in the soil given the simplicity and extreme nature of the habitat. Understanding the relationship between soil biodiversity and ecosystem functioning is critical to predicting and monitoring the effects of ecosystem changes on important soil processes. This study investigated what environment factors (moisture, nutrients, mineralogy, geochemistry) drive the microbial diversity in the dry valley soils of Antarctica. Soils were sampled from several different environments (Miers Valley, Mt Erebus thermal soils, Bratina Island meltwater pools, Beacon Valley, Upper Wright Valley and Battleship Promontory) with different environmental factors and analysed for micro-organism using a number of genetic and geochemical analysis such as in situ ATP analysis for quantification of microbial biomass, phylogenetic studies and PCR analysis. The data sets were rather large and detailed and are outlined by season of study in the associated metadata entries.
|
Related URL
|
Link:
VIEW RELATED INFORMATION
Link: VIEW RELATED INFORMATION Description: The investigators homepage |
This data set description is a member of a collection. Click to see members of this collection.
Geographic Coverage
| N: -78.0943 | S: -78.0943 | E: 163.812 | W: 163.812 |
|
| N: -77.7667 | S: -77.7667 | E: 167.45 | W: 167.45 |
|
| N: -78.0167 | S: -78.0167 | E: 165.5333 | W: 165.5333 |
|
| N: -77.5155 | S: -77.5155 | E: 160.7155 | W: 160.7155 |
|
| N: -77.5188 | S: -77.5188 | E: 160.7636 | W: 160.7636 |
|
| N: -76.9116 | S: -76.9116 | E: 160.9113 | W: 160.9113 |
|
Temporal Coverage
| Start Date: 2005-01-24 |
| Stop Date: 2005-02-05 |
| Start Date: 2006-01-10 |
| Stop Date: 2006-02-01 |
| Start Date: 2006-11-26 |
| Stop Date: 2006-12-13 |
| Start Date: 2008-01-22 |
| Stop Date: 2008-02-02 |
Location Keywords
Science Keywords
| LAND SURFACE >SOILS >MICRONUTRIENTS/TRACE ELEMENTS [Definition] |
| LAND SURFACE >SOILS >SOIL MOISTURE/WATER CONTENT [Definition] |
| LAND SURFACE >SOILS >SOIL PRODUCTIVITY [Definition] |
| LAND SURFACE >SOILS >SOIL TEMPERATURE [Definition] |
| LAND SURFACE >SOILS >MICROFLORA [Definition] |
| BIOSPHERE >ECOLOGICAL DYNAMICS >COMMUNITY DYNAMICS >BIODIVERSITY FUNCTIONS [Definition] |
| BIOSPHERE >ECOLOGICAL DYNAMICS >COMMUNITY DYNAMICS >COMMUNITY STRUCTURE [Definition] |
ISO Topic Category
|
BIOTA
ENVIRONMENT GEOSCIENTIFIC INFORMATION |
Platform
| FIELD SURVEYS [Information] |
| LABORATORY [Information] |
Instrument
| SOIL MOISTURE PROBE [Information] |
| SOIL SAMPLER [Information] |
| SOIL TEMPERATURE PROBE [Information] |
Project
| LTER >Long-Term Ecological Research [Information] |
| LGP >Latitudinal Gradient Project [Information] |
| IPY >INTERNATIONAL POLAR YEAR [Information] |
| EBA >Evolution and Biodiversity in the Antarctic [Information] |
Quality
|
All of the collected samples are stored at the University of Waikato, Hamilton New Zealand in a PC2 containment facility. Various amounts of the samples are held at the University of Western Cape, Cape Town, South Africa and is indicated below. The samples are stored at -80C. The samples were used for DNA analysis and this analysis uses very little material. Therefore, most if not all, of the samples still exist. In the 2004-2005 field season, soil samples were collected along a transect in the Miers Valley. 12 stations were samples with three samples and the data along with these samples includes elevation, GPS position, volumetric water content, temperature and relative humidity. Mummified seal samples were also collected and the corresponding data includes seal number, location, GPS details, altitude, photo number, dentition number, length and associated notes. Soil samples for the biodiversity study corresponding data includes sample number, GPS information, the date collected, altitude and a site description. A set of full transect samples and samples of hypoliths are held in South Africa. In the 2005-2006 season, samples of soil, sediment and water were collected from Tramway Ridge, Bratina Island meltwater ponds and in the Miers Valley. A set of soil and hypolith samples are held in South Africa. In the 2006-2007 season, samples were collected from Tramway Ridge, Mt Erebus, the Miers Valley and Beacon Valley. Samples consisted of soil, hyperrhic measurements, seal samples, cyanbacterial mats and hyperliths. A small number of samples are held in South Africa. In the 2007-2008 season rocks and sand were collected from the Miers Valley, Upper Wright Valley and Battleship Promontory and several samples were taken to South Africa. A full sample set is held at the University of Waikato. For more information, please contact the investigator. |
Data Set Progress
| IN WORK |
Data Center
|
Antarctica New Zealand, New Zealand Antarctic Institute, New Zealand
[Information]
Data Center URL: http://www.antarcticanz.govt.nz/
| |||
Personnel
|
CRAIG
CARY Role: INVESTIGATOR Phone: +64 7 838 4593 Fax: +64 7 838 4218 Email: caryc at UDel.Edu Email: c.cary at waikato.ac.nz Contact Address: Department of Biological Sciences University of Waikato PO BOX 3105 City: Hamilton Postal Code: 3105 Country: New Zealand |
|
DON
COWAN Role: INVESTIGATOR Phone: +27 (21) 959 2083 Fax: +27 (21) 959 3505 Email: dcowan at uwc.ac.za Contact Address: Department of Biotechnology University of the Western Cape Bellville City: Cape Town Postal Code: 7535 Country: SOUTH AFRICA |
|
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 |
Creation and Review Dates
DIF Creation Date:
2001-08-13
Last DIF Revision Date:
2009-01-21
| [ Update this Record ] |



