Date: 2011-07-28 06:56:06
URL: http://bit.ly/nNR78I
Global warming: Tundra fires are huge carbon sources Summit County Citizens Voice Little is known about the effects of fire on carbon storage and cycling in tundra ecosystems. Cool, wet soils underlain by permafrost are thought to restrict fires to aboveground plants and ground-level plant litter leaving the carbon stored in soils ... and more »
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