Alaska’s permafrost, shown here in 2010, is no longer permanent

Alaska’s permafrost, shown here in 2010, is no longer permanent. It is starting to thaw.


By 2050, much of this frozen ground, a storehouse of ancient carbon, could be gone.


This is what may be lost.


Source: nytimes.com
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Alex E

Ecoclimax is defined by Odum (1969) as the culmination state after a succession in a stabilized ecosystem in which maximum biomass (or high information content) and symbiotic function among organisms is kept per unit of available energy flow.