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Ecological-economic scenarios of land-use for biodiversity and ecosystem services in the New Aquitaine region

Ny Andraina Andriamanantena, Charly Gaufreteau, Jean-Sauveur Ay () and Luc Doyen ()

Bordeaux Economics Working Papers from Bordeaux School of Economics (BSE)

Abstract: The synergies and trade-offs between human well-being, biodiversity, and ecosystem services are under debate for the design of more sustainable public policies. In that perspective, there is a need of quantitative methods to compare all these outcomes under alternative policy scenarios. The present paper provides climate consistent scenarios at the horizon 2053 for the New-Aquitaine region in France. They rely on spatio-temporal models derived from individual land-use choices under climate change. The models are estimated at the national level from 1993-2003 fine-scale data. We focus on farming, forestry,and urban land-uses along with bird biodiversity scores and a basket of ecosystem services: carbon sink intensity, forest recreation, and water pollution. A first ‘climate-economic adaptation’ scenario shows that climate-induced land-use worsens the negative effects of climate change on biodiversity and several ecosystem services in the long run as compared to a ‘status quo’ scenario. A second scenario with an incentive policy, based on a flat payment for pastures, slightly mitigates these negative impacts on biodiversity and water pollution. However, this turns out to be detrimental for others ecosystem services. This result confirms that the design of sustainable policies can not be limited to uniform strategies and should account for the complexity of ecosystem management.

Keywords: Model-based scenarios; climate; land-use; incentive policy; birds biodiversity; ecosystem services (search for similar items in EconPapers)
JEL-codes: Q51 Q54 Q57 (search for similar items in EconPapers)
Date: 2021
New Economics Papers: this item is included in nep-agr and nep-env
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