2018-09-202018-09-202013p. 82-103. In: Boelee, E. (ed.) Managing water and agroecosystems for food security. CABIhttps://hdl.handle.net/20.500.12348/814After commencing with a summary of the current status, importance and productivity of natural wetlands, the chapter reviews the contribution of wetland ecological functions to sustaining vital ecosystem services. Wetlands are vulnerable to a range of anthropogenic pressures, notably land use change, disruption to regional hydrological regimes as a result of abstraction and impoundment, pollution and excessive nutrient loading, the introduction of invasive species and overexploitation of biomass, plants and animals.application/pdfBook Chapter