Journal
TRENDS IN ECOLOGY & EVOLUTION
Volume 27, Issue 4, Pages 219-225Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tree.2011.09.012
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Funding
- UK Natural Environmental Research Council (NERC) [NE/G00496X/1]
- Natural Environment Research Council [NE/G00496X/1] Funding Source: researchfish
- NERC [NE/G00496X/1] Funding Source: UKRI
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The tundra is the coldest biome described in typical geography and biology textbooks. Within the cryosphere, there are large expanses of ice in the Antarctic, Arctic and alpine regions that are not regarded as being part of any biome. During the summer, there is significant melt on the surface of glaciers, ice caps and ice shelves, at which point microbial communities become active and play an important role in the cycling of carbon and other elements within the cryosphere. In this review, we suggest that it is time to recognise the cryosphere as one of the biomes of Earth. The cryospheric biome encompasses extreme environments and is typified by truncated food webs dominated by viruses, bacteria, protozoa and algae with distinct biogeographical structures.
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