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Arctic Climate Change, Substrate, and Vegetation

Arctic Climate Change, Substrate, and Vegetation
北极气候变化、基质和植被
批准号：
9908829
负责人：
Donald Walker
金额：
$167.0万
依托单位：
University of Alaska Fairbanks Campus
依托单位国家：
美国
项目类别：
Continuing Grant
财政年份：
1999
资助国家：
美国
项目状态：
已结题
起止时间：
1999-09-15 至 2004-08-31
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=9908829&HistoricalAwards=false
关键词：
ArcticClimateChangeSubstrateVegetation

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ABSTRACT OPP-9732076 WALKER, DONALD UNIVERSITY OF COLORADO The project will investigate the relationship between climate change, tundra ecosystem, and soil type as part of a multidisciplinary project that addresses the impact of global change on land-atmosphere-ice interactions (LAII) in the Arctic. Regional scale variations in climate gradient and vegetation will be compared to soil type by producing circumarctic maps of vegetation from satellite imagery in combination with field work to verify vegetation and soil classifications. The regional maps and climate models will be used to project the effects of a warming climate on the carbon cycle, exchanges of trace gas fluxes, water and energy, permafrost, and the hydrological cycle. The results of this project will be used in combination with other LAII projects to determine the regional impacts of global change on terrestrial systems in the Arctic.
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CAREER: Fungal pathogen induced dysbiosis alters microbiome assembly along host resource gradients: implications for biodiversity conservation
  • 批准号：
    2236580
  • 项目类别：
    Continuing Grant
  • 资助金额：
    $100.0万
  • 财政年份：
    2023
  • 负责人：
    Donald Walker
  • 依托单位：
    Middle Tennessee State University
Collaborative Research: MIM: Gut-inhabiting fungi influence structure and function of herptile microbiomes through horizontal gene transfer and novel metabolic function
  • 批准号：
    2125065
  • 项目类别：
    Standard Grant
  • 资助金额：
    $87.0万
  • 财政年份：
    2022
  • 负责人：
    Donald Walker
  • 依托单位：
    Middle Tennessee State University
NNA Track 1: Landscape evolution and adapting to change in ice-rich permafrost systems
Collaborative Research: Testing the Drivers and Scale-dependency of Plant-fungal Bacterial Community Co-assembly Across the Arctic
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