</titre> <alinea/> The experimentation of sustainable development by Madagascar fit into the global environmental and development frameworks. It is characterized by an original and ambitious system of environmental planning. However, it is confronted with several difficulties : an extrovert sustainable...

Ecotourism is an activity considered by most stakeholders as a means to achieve conservation and valorisation of biodiversity, local development and development of the tourist sector. In this regard, this activity appears to be symbolic of what is called sustainable development, combining...

We explore several issues raised by a size dependent regulation of a fishery in a situation where it is important for conservation purposes to keep highly reproductive big fish and where the fish prices depend on their body size. Firstly, we represent in a common modeling frame, the interplay...

Without denying the existence of common characteristics between lands protected areas and marine protected areas (MPA), we address the question of MPA, as a peculiar category of territories to protect. This article shows how Law and economic sciences are increasingly involved in the study of...

The explicit assumption underlying Payments for Ecosystem Services (PES) is that offering payments that are at least equal to individual’s opportunity cost will establish individuals’ participation. At the same time, that payment should act as a substitution within landowners’ global...

The use of economic incentives for biodiversity (mostly Compensation and Reward for Environmental Services including Payment for ES) has been widely supported in the past decades and became the main innovative policy tools for biodiversity conservation worldwide. These policy tools are often...