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Wetlands are habitats with temporary or permanent accumulation of water. The degradation and loss of wetlands is more rapid than that for other ecosystems, and wetland-dependent biodiversity in many parts of the world is in continuing and accelerating decline. They have been confirmed to deliver ...
This unit provides an introduction to the key concepts and issues associated with managing water for ecosystems. 'Aquatic ecosystems' is a wide term that includes a range of inland, coastal and marine ecosystems but for the purpose of this module we will concentrate on inland and coastal aquatic ...
This unit provides an introduction to some of the key elements of the role and importance of water resources in smallholder agriculture. The first section introduces the basic concepts at the farm level by looking at farm productivity and the role of men and women which is essential in understand...
This unit provides an introduction to large-scale and formal irrigation systems. The first section introduces large-scale irrigation systems and looks at their role in poverty alleviation. The section analyses the positive and negative implications in the context of social, economic and environme...
This unit provides an introduction to the key characteristics of fisheries and aquaculture and the distinctions between them. It looks at their significance in farming systems and the water requirements involved. It proceeds to discuss the methods and tools available to assess water requirements ...
Agriculture, a century old practice, has rarely been questioned as it is a necessity for feeding the world's population. With the increase in food requirement, the sustainability of upland agriculture has posed threats to downstream and coastal areas of river basins. In South Asia, the coastal po...
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