The USDA-NRCS has created the Web Soil Survey (WSS) as a clearance house for soil survey data from the Soil Survey Geographic Database (SSURGO). Currently, there are data available for almost all ...
Peter C. de Ruiter is at Biometris, Wageningen University, 6708 PB Wageningen, the Netherlands, and at the Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, 1090 GE Amsterdam ...
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