A local public-good game played on directed networks is analyzed. The model is motivated by one-way flows of hydrological influence between cities of a river basin that may shape the level of their contribution to the conservation of wetlands. It is shown that in many (but not all) directed...

<italic>This note investigates the methodological conditions necessary to a fair deal between conservation and conversion of wetlands. We consider conversion cases to agriculture and industrial uses. In this latest situation, one could think that it is not possible to rely on conservation benefit...</italic>

France and Germany have developed their own water pollution policies which combine to varying degrees incentives-based instruments and effluent limits. However, organisational traditions as well as demographic and geographical particularities have led to the implementation of different...

[fre] La forêt reste la destination de loisirs privilégiée des Français. Face à la croissance de la demande, la loi d'orientation sur la forêt de 200 1 se tourne vers les forêts privées. Pour assurer la compatibilité de l'ouverture récréative avec les autres fonctions de la forêt,...

We all have become aware of the essential contribution of ecosystems to the human welfare. This is a strong driver for taking into account ecosystem services within decision processes. But the connection between ecosystems and theirs services is frequently neither readily apparent nor easy to...

This paper is part of an investigation to evaluate the benefits of landscape policies. Such policies are, within a specific area (here the Monts d’Arrée in Brittany), favouring some landscape attributes. We test out a procedure based on a double device. The first one relies on the choice...