Soil samples in 349  sampling plots were obtained within the LUCAS project in 2009; from these, 205 soil samples were collected in agricultural lands (grasslands, arable lands, grasslands overgrown by trees and shrubs), and 133 soil samples were obtained in forests (deciduous, coniferous and mixed forests), as well as 7 soil samples–in scrublands.

Study region : In this study, 33 catchments across the Lower Mekong Basin in Southeast Asia are examined to detect historical changes in their hydrological response via a model-based methodology.