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Amazon Deforestation Drives Malaria Transmission, and Malaria Burden Reduces Forest Clearing

Amazon Deforestation Drives Malaria Transmission, and Malaria Burden Reduces Forest Clearing

Author(s): Andrew J. MacDonald , Erin A. Mordecai

Publication Date: 2019

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Deforestation and land use change are among the most pressing anthropogenic environmental impacts. In Brazil, a resurgence of malaria in recent decades paralleled rapid deforestation and settlement in the Amazon basin, yet evidence of a deforestation-driven increase in malaria remains equivocal. We hypothesize an underlying cause of this ambiguity is that deforestation and malaria influence each other in bidirectional causal relationships—deforestation increases malaria through ecological mechanisms and malaria reduces deforestation through socioeconomic mechanisms—and that the strength of these relationships depends on the stage of land use transformation.

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