Agro-Hydro-System definition
An Agro-Hydro-System is defined as the hydrological system of a catchment as it is influenced by agricultural activity in the frame of water flow through the soil plant atmosphere continuum. This system is constrained globally by three kinds of forcings: i) the farming activity which induces changes in spatial structures (spatial organization of crops and farming, soil tillage, plot’s size and shape, buffer zones, wetland transformation), ii) modifications in input fluxes, either water fluxes (irrigation), or nutrients organic and mineral fluxes (fertilization), or carbon fluxes, iii) the climate as for any ecosystem, with a short term vast variability and long term trends related to global changes.
