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A B S T R A C T The aim of this paper is to present the impacts of climate change at brazilian semiarid as well as discuss practices of mitigation and adaptation that are already been carried out in Brazilian semi-arid. The potentially negative impacts on water resources and rain-fed agriculture will affect the population at the region. Mitigation practices such as proper soil management, the reduction of methane emission by ruminants, forest management, integrated crop-livestock-forestry and the production and use of biofuels can reduce or prevent the emission of greenhouse gases. Adaptation practices such as use of genetic breeding, the hold of rainwater, adoption of new production systems, use of the productive potential of native plants may help minimize the problem of climate change. The demand for research in this context will continue growing, requiring multidisciplinary efforts, with the interaction between research institutions, to define methods and strategies to be applied in the Semi-Arid. The formulation of public policies that encourage the adoption of these practices is essential that they be put into practice.

revista brasileira de geografia física

Mudanças Climáticas no Semiárido Brasileiro: Medidas de Mitigação e Adaptação (Climate Change in the Brazilian Semiarid: Mitigation and Adaptation Practices)