The Water Framework Directive (WFD) has introduced economic principles for water resource management, including the environmental cost recovery on the basis of the polluter pays principle (PPP). Agriculture, as a potential driver of pressures on water bodies, can produce environmental costs....

Understanding that the environment is more than the resource base of human economic activities was a watershed in the awareness of the real value of the environment and the need for an assessment of its quality. The complex of benefits from ecosystems that people obtain in the literature became...