Thailand – Maeyom watershed
North Thailand, Phrae province, Huai Ma Nai catchment divided in 5 fitted sub-catchments (total 93ha), on siltstone and sandstone soils, slope gradient 12-50%, rain amount around 1100 mm pear year.
Land use changes: switch from cassava + maize + fallow + orchards to maize mono-crop
Hydro-meteorological and soil losses surveys from 2000
|Sediment sampler and weir of Huai Ma Nai catchment (photo : J.-L Janeau)|