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News and Views
Nature 432, 159-160 (11 November 2004) | doi:10.1038/432159a; Published online 10 November 2004
Ecology: Hope in the hills for tundra?
Peter D. Moore1
Abstract
Will global warming cause northern forests to spread into arctic tundra? A study of black spruce suggests that the answer is complex and varies according to latitude and altitude.
Global warming is likely to spell trouble for the tundra. The polar tundra has nowhere to retreat to when boreal forests invade from warmer latitudes, and alpine tundra has no alternative but extinction when tree lines climb to the mountain tops.
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