West African ForestsEast African ForestsAsian ForestsAndes to Amazon transectLowland Amazon ForestSouthern Temperate ForestsGlobal investigationsEuropean Forests Wytham

Here's a nice, very convenient and cheap method for getting a standardized index of decomposition across the GEM sites:

As a plus, it is already been performed at a wide range of contrasting sites worldwide.

Note they have almost NO sites in the tropics. A nice easy project for GEM??