期刊
BIOSCIENCE
卷 67, 期 2, 页码 118-133出版社
OXFORD UNIV PRESS
DOI: 10.1093/biosci/biw158
关键词
tundra; lake; carbon; permafrost; aeolian
类别
资金
- Natural Environmental Research Council (UK) [NE/K000349/1, NE/G019622/1]
- US National Science Foundation [1203434, 1107381, 0902125]
- Directorate For Geosciences
- Office of Polar Programs (OPP) [1203434] Funding Source: National Science Foundation
- Natural Environment Research Council [NE/K000276/1, NE/G019193/1, NE/J021474/1, NE/K000349/1, NE/G019622/1] Funding Source: researchfish
- NERC [NE/G019622/1, NE/G019193/1, NE/J021474/1, NE/K000276/1, NE/K000349/1] Funding Source: UKRI
The Kangerlussuaq area of southwest Greenland encompasses diverse ecological, geomorphic, and climate gradients that function over a range of spatial and temporal scales. Ecosystems range from the microbial communities on the ice sheet and moisture-stressed terrestrial vegetation (and their associated herbivores) to freshwater and oligosaline lakes. These ecosystems are linked by a dynamic glacio-fluvial-aeolian geomorphic system that transports water, geological material, organic carbon and nutrients from the glacier surface to adjacent terrestrial and aquatic systems. This paraglacial system is now subject to substantial change because of rapid regional warming since 2000. Here, we describe changes in the eco-and geomorphic systems at a range of timescales and explore rapid future change in the links that integrate these systems. We highlight the importance of cross-system subsidies at the landscape scale and, importantly, how these might change in the near future as the Arctic is expected to continue to warm.
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