New Zealand Terrestrial Biocomplexity Survey
Versão mais recente publicado por SCAR - Microbial Antarctic Resource System em 10 de Setembro de 2015 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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GBIF Registration

Este recurso foi registrado no GBIF e atribuído ao seguinte GBIF UUID: 0821ab21-c6a5-4757-91c2-1f5e95d0ecda.  SCAR - Microbial Antarctic Resource System publica este recurso, e está registrado no GBIF como um publicador de dados aprovado por Scientific Committee on Antarctic Research.

Palavras-chave

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

Contatos

Quem criou esse recurso:

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

Quem pode responder a perguntas sobre o recurso:

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

Quem preencher os metadados:

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

Quem mais foi associado com o recurso:

Usuário
S. Craig Cary
Professor
University of Waikato
Private Bag 3150
3240 Hamilton
Waikato
NZ
Pesquisador Principal
Bryan Storey
Professor
University of Canterbury
Private Bag 4800
Christchurch
NZ
+64-3-364 2368
Custódio de dados
Charles Lee
Research Scientist
University of Waikato
Private Bag 3150
3240 Hamilton
NZ
+648384241
Pesquisador Principal
Ian Hogg
Associate Professor
University of Waikato
Private Bag 3150
3240 Hamilton
Waikato
NZ
Pesquisador Principal
Allan Green
Professor
University of Waikato
Private Bag 3150
3240 Hamilton
Waikato
NZ
Cobertura Geográfica

McMurdo Dry Valleys

Coordenadas delimitadoras Sul Oeste [-78,41, 159,72], Norte Leste [-76,73, 165]
Cobertura Taxonômica

Nenhuma descrição disponível

Domínio  Bacteria (Bacteria),  Archaea (Archaea),  Eukaryote (Eukaryote)
Reino  Bacteria (Cyanobacteria),  Eukaryote (Protist)
Cobertura Temporal
Data Inicial 2009-01-01
Data Inicial 2010-01-01
Data Inicial 2011-01-01
Data Inicial 2012-01-01
Data Inicial 2013-01-01
Dados Sobre o Projeto

Nenhuma descrição disponível

Título New Zealand Terrestrial Biocomplexity Survey
Financiamento 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).
Descrição da Área de Estudo McMurdo Dry Valleys, Victoria Land, Antarctica
Descrição do Design 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.

O pessoal envolvido no projeto:

Pesquisador Principal
Craig Cary
Métodos de Amostragem

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.

Área de Estudo All samples were collected on foot by hand from each location. All samples were collected during the month of January in each sampling year.
Controle de Qualidade All samples were collected using sterile techniques and transferred frozen to the laboratory for continued analysis

Descrição dos passos do método:

  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.
Dados de Coleção
Nome da Coleção NZTABS_soil
Identificador da Coleção nztabs.ictar.aq
Identificador da Coleção Parental N/A
Metadados Adicionais