The paper starts with the wide variability of nonpoint water nitrogenous pollution generated by agriculture. This variability depends especially on climate, soil types and farming systems. Our interdisciplinary researches, mainly based on two sites in France, show that space and time...

Owing to increasing environmental concerns the current trend is to bend technical production systems in order to adapt them to the specific characteristics of the milieu and diversify them. Inherent to such dynamics is the issue of how to design the accompanying environmental policies....

Theoritically, spatially targeted environmental policies are considered optimal, since economic agents tune their efforts according to their environment. But this advantage can be undermined by the high cost of information. We posit that it is possible to reduce the spatial scale and...

L’objectif de ce papier est d’analyser qui sont et que font les touristes en espace rural. Notre point d’entrée est celui de la demande, analysée à partir des comportements observés des touristes. Cette analyse concerne le tourisme d’été dans deux régions : Aquitaine et...

[eng] The future of mountain farming - In this paper the writer recalls the development processes of French farming especially the present two-fold tendency towards industrialization and regression. . Mountain regions are particularly affected by farmers leaving farming and by the growing lack...