Economic evaluation

La présente étude porte sur l’évaluation des principales valeurs économiques générées par la restauration du Parc national du Diawling en République islamique de Mauritanie, zone humide d’importance internationale, à travers une estimation des usages directs de la zone d’influence du parc. L’objectif était de contribuer des informations utiles aux décisions d’aménagement et de gestion durable du parc ainsi qu’à celles relatives au développement de la périphérie, soit du bas delta.

For billions of people throughout the world – especially the poorest – wetlands are critical for livelihoods. Wetlands are also home to an enormous diversity of wildlife, much of it unique to freshwater habitats. Traditional separate biodiversity and livelihood assessment and economic valuation fails to present the full value of a wetland in the face of alternative wetland uses, and as a result wetlands are lost through development activities.

Recopilación de casos de valoración económica de diferentes regiones de Iberoamérica, entre ellos España, Centroamérica, Suramérica y el Caribe. Se basa en dos grandes enfoques: la economía ambiental y ecológica. Además, se concluye con una serie de lecciones emanadas de los diversos métodos utilizados.

This report presents the results of an economic study of the willingness to pay (WTP) of recreational visitors to the Djoudj National Bird Park in northern Senegal, based on interviews with 647 visitors to the park conducted in early 2003. The study forms part of a broader economic analysis of the costs and benefits of the park.

The contribution of wild plants and animals to human welfare is widely appreciated but not routinely measured. Reliable and up-to-date information on the economic importance of wild resources is needed to ensure that development policies and investments take account of the full costs and benefits of alternative land uses. This report presents a summary of findings of recent research on the value of non-timber forest products, game and freshwater fisheries in Senegal.

The contribution of wild plants and animals to human welfare is widely appreciated but not routinely measured. Reliable and up-to-date information on the economic importance of wild resources is needed to ensure that development policies and investments take account of the full costs and benefits of alternative land uses. This report presents a summary of findings of recent research on the value of non-timber forest products, game and freshwater fisheries in Senegal.

With increasing demands on the water of the Pangani River Basin, coupled with a decreasing catchment runoff due to climate change, water resources are becoming increasingly scarce, and leading to conflicts among users.