New Zealand Terrestrial Biocomplexity Survey
最新版本 由 SCAR - Microbial Antarctic Resource System 發佈於 2015年9月10日 SCAR - Microbial Antarctic Resource System

The New Zealand Terrestrial Antarctic Biocomplexity Survey (nzTABS) is the largest and most comprehensive interdisciplinary landscape-scale study of terrestrial biology ever undertaken in Antarctica, incorporating fieldwork of 1500+ person days in 6 of the Dry Valleys (total area of 6500 km2), strategic sampling of over 1200 sites designed to encompass the landscape heterogeneities in the ecosystem, and a range of high-resolution remote sensing data. The central goal of nzTABS is to determine the primary abiotic drivers of biodiversity in the Dry Valleys, one of few ecosystems where such undertaking can be achieved. With the aid of a comprehensive GIS framework, we are on track to achieve this goal by examining community microbial sequence data in conjunction with a broad range of physicochemical parameters. This project currently involves over 29 senior investigators from 9 countries that encompass disciplines from geochemistry and geomorphology to population genetics and microbial ecology.

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關鍵字

Metadata;NZTABS;McMurdo Dry Valley;soil;biocomplexity;microbial;geochemistry;; Metadata

聯絡資訊

資源建立者:

S. Craig Cary
Professor
University of Waikato
Private Bag 3150
3240 Hamilton
Waikato
NZ

可回覆此資源相關問題者:

S. Craig Cary
Professor
University of Waikato
Private Bag 3150
3240 Hamilton
Waikato
NZ

元數據填寫者:

S. Craig Cary
Professor
University of Waikato
Private Bag 3150
3240 Hamilton
Waikato
NZ

與此資源的相關者:

使用者
S. Craig Cary
Professor
University of Waikato
Private Bag 3150
3240 Hamilton
Waikato
NZ
研究主持人
Bryan Storey
Professor
University of Canterbury
Private Bag 4800
Christchurch
NZ
+64-3-364 2368
託管人
Charles Lee
Research Scientist
University of Waikato
Private Bag 3150
3240 Hamilton
NZ
+648384241
研究主持人
Ian Hogg
Associate Professor
University of Waikato
Private Bag 3150
3240 Hamilton
Waikato
NZ
研究主持人
Allan Green
Professor
University of Waikato
Private Bag 3150
3240 Hamilton
Waikato
NZ
地理涵蓋範圍

McMurdo Dry Valleys

界定座標範圍 緯度南界 經度西界 [-78.41, 159.72], 緯度北界 經度東界 [-76.73, 165]
分類群涵蓋範圍

無相關描述

Domain  Bacteria (Bacteria),  Archaea (Archaea),  Eukaryote (Eukaryote)
Kingdom  Bacteria (Cyanobacteria),  Eukaryote (Protist)
時間涵蓋範圍
起始日期 2009-01-01
起始日期 2010-01-01
起始日期 2011-01-01
起始日期 2012-01-01
起始日期 2013-01-01
計畫資料

無相關描述

計畫名稱 New Zealand Terrestrial Biocomplexity Survey
經費來源 This project was supported through a grants from the Foundation for Research, Science and Technology (New Zealand), Antarctica New Zealand, and the Marsden Fund (New Zealand).
研究區域描述 McMurdo Dry Valleys, Victoria Land, Antarctica
研究設計描述 The study was a comprehensive survey of the Dry Valley ecosystem and includes collections from all of the major valleys throughout the latitudinal extent of the system.

參與計畫的人員:

研究主持人
Craig Cary
取樣方法

Initially a 220 km2 study area, consisting of Miers, Marshall, and Garwood Valleys as well as Shangri-La, was divided into more than 600 geographically and geologically distinct ice-free sectors (hereinafter “tiles”) using remote-sensing data and published soil maps. Tile boundaries were delineated where the combination of geographical and geological variables changed, and on-the-ground assessments were carried out in November 2008 to confirm the reliability of delineations. 554 tiles were chosen for sampling to encompass the entire range of geographical and geological heterogeneity. Sampling of soils and biological communities was carried out over two successive austral summers (January 2009 and January 2010). Surveys were conducted for vegetation (i.e., mosses, lichens, algal and cyanobacterial mats), lithic microbial communities, and invertebrates at each sampling site (verified by GPS to be inside its respective tile), followed by collection of bulk soil samples for additional analyses, including molecular analyses of bacteria (total and cyanobacteria-only) and fungi. In addition, a number of key variables were derived from satellite imagery, including surface soil temperature, a topographically derived ‘wetness index’, and distance to the coast. After quality control, data for 490 samples were included in the analysis.

研究範圍 All samples were collected on foot by hand from each location. All samples were collected during the month of January in each sampling year.
品質控管 All samples were collected using sterile techniques and transferred frozen to the laboratory for continued analysis

方法步驟描述:

  1. Sample locations were determined as the centroids within each tile.
  2. Soil was collected from the upper 2-4 cm after removal of any larger rocks that were lying on the surface.
收藏資料
蒐藏名稱 NZTABS_soil
蒐藏編號 nztabs.ictar.aq
上層採集品識別碼 N/A
額外的元數據