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Martin Schönhart, Thomas Schauppenlehner, Michael Kuttner, Mathias Kirchner, Erwin Schmid
Climate change impacts on farm production, landscape appearance, and the environment: Policy scenario results from an integrated field-farm-landscape model in Austria
Agricultural Systems, 2016, 145, S.39-50, https://doi.org/10.1016/j.agsy.2016.02.008
Climate change is among the major drivers of agricultural land use change and demands autonomous farm adaptation as well as public mitigation and adaptation policies. In this article, we present an integrated land use model (ILM) mainly combining a bio-physical model and a bio-economic farm model at field, farm and landscape levels. The ILM is applied to a cropland dominated landscape in Austria to analyse impacts of climate change and mitigation and adaptation policy scenarios on farm production as well as on the abiotic environment and biotic environment. Changes in aggregated total farm gross margins from three climate change scenarios for 2040 range between + 1 and + 5 percent without policy intervention and compared to a reference situation under the current climate. Changes in aggregated gross margins are even higher if adaptation policies are in place. However, increasing productivity from climate change leads to deteriorating environmental conditions such as declining plant species richness and landscape appearance. It has to be balanced by mitigation and adaptation policies taking into account effects from the considerable spatial heterogeneity such as revealed by the ILM.
Keywords:Agri-environmental program; Spatial targeting; Climate change impacts; CAP post-2013; Integrated analysis
Forschungsbereich:Klima-, Umwelt- und Ressourcenökonomie
Sprache:Englisch