Group for Research in Decision Analysis

Viability of small islands agro systems: How to tackle existing complex problems imperfectly described?

Patrick Saint-Pierre Université Paris-Dauphine, France

Applying viability techniques to real problems arising in agronomic, economical or environmental sciences is a true challenge. The large number of variables, the lack of precision in data, the necessarily stylized dynamical models mostly experimentally known, the approximate knowledge of uncertainty, particularly for extreme climate disaster pose challenges to its ability to give trustful answers to live problems that concern ecology at the boundary of human activities. In the context of small islands agro systems, studying mainly the capability of small farms to restore the soil quality of parcels whenever managing cropping or animal farming in a sustainable economic way lead to explore and tackle these questions in the framework of applied viability theory.

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