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Integrated modelling of networks of activities, ecosystem services and biodiversity in the Camargue Island: which resilience in a context of global change and agro-ecological transition? - Camargue

The Camargue (Rhône delta) is a complex social-ecosystem with important issues regarding biodiversity conservation and economic and cultural activities. In a context of global change, anthropogenic (water management in agricultural and natural areas, agricultural practices) and climatic (rainfall, evapotranspiration) drivers affect the hydro-saline balance. This hydro-saline functioning is a central element in the dynamics of the Camargue's habitats and species, and the associated networks of activities and services.

Start date: December 2022
Laboratory: 1132 LAE Joint Research Unit Agronomy and Environment Laboratory
INRAE Center: Grand-Est Colmar
Thesis supervisor: Olivier Therond (LAE Joint Research Unit Agronomy and Environment Laboratory) - Arnaud Béchet (Tour du Valat - Research institute for the conservation of Mediterranean wetlands)
Thesis supervision: Olivier Boutron (Tour du Valat - Research institute for the conservation of Mediterranean wetlands)
PhD candidate: Rose Rodier
University and doctoral school: Lorraine University, ED 607 Natural Resource Science and Engineering (SIReNa)
Funding: INRAE, Métaprogram Biosefair / The Tour du Valat - Research institute for the conservation of Mediterranean wetlands

Objectives

In order to develop an integrated representation of the functioning of the Camargue delta, this PhD aims to develop an integrated model simulating the dynamics and relationships between water management, agricultural activities, ecosystem services and emblematic biodiversity groups. This model will be used to perform an integrated assessment of scenarios of agricultural practices and in hydro-climatic drivers.
Studied goods and ecosystem services are: (1) agriculture, livestock and fishing productions; (2) flood regulation and water quality services, with a particular focus on the regulation of hydro-saline dynamics; and (3) cultural services, including habitats (rice fields) and species (e.g. flamingos) with a key symbolic significance for this area.

This model will therefore provide a better understanding of the response of deltaic social-ecosystems to various anthropogenic and climatic drivers. Ultimately, it is intended to be used as part of multi-stakeholder deliberative processes aimed at establishing a concerted allocation of water resources that enables the best possible compromises to be made between the various services expected in the context of agroecological transition and global change.

Contacts :

Modification date: 17 October 2023 | Publication date: 23 June 2022 | By: Com