'2005 permafrost' presentation slideshows

Crossing the final ecological threshold in high Arctic ponds

How often and under what circumstances does wetland drying or thawing of permafrost cause a change in ecosystem state?. Crossing the final ecological threshold in high Arctic ponds. Smol and Douglas 2007 PNAS. Barber et al. 2004 Climatic Change. Klein et al. Can. J. For. Res. 2005.

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