NutNet
The Nutrient Network (NutNet) is a grassroots research effort to address questions of global change, the alteration of biogeochemical cycles and critical ecological species interactions within a coordinated research network comprised of over 40 grassland sites around the world. See the NUTNET website for a full decsription of the project:
Also, you can read the following article, which was published in the 21 October 2011 edition of Science, for a a journalistic perspective on the NUTNET:
“Open-Source Ecology Takes Root Across the World”