# The drivers and impacts of Amazon forest degradation

“The drivers and impacts of Amazon forest degradation” (2023), by David M. Lapola et al. Environmental Science research paper. Original abstract below, unchanged. A free PDF is available.

- Authors: David M. Lapola, Patricia Fernanda Pinho, Jos Barlow, Luiz E. O. C. Aragão, Érika Berenguer, Rachel Carmenta, Hannah M. Liddy, Hugo Tameirão Seixas, Camila V. J. Silva, Celso H. L. Silva et al.
- Published: January 26, 2023
- Field: Environmental Science
- DOI: https://doi.org/10.1126/science.abp8622
- Free PDF: https://biblio.ugent.be/publication/01GR96961W6NXN6275GAHGSPN9/file/01GVMRMPPPT9T9KVYVZA60R0WQ.pdf

## Abstract

Approximately 2.5 × 10 6 square kilometers of the Amazon forest are currently degraded by fire, edge effects, timber extraction, and/or extreme drought, representing 38% of all remaining forests in the region. Carbon emissions from this degradation total up to 0.2 petagrams of carbon per year (Pg C year −1 ), which is equivalent to, if not greater than, the emissions from Amazon deforestation (0.06 to 0.21 Pg C year −1 ). Amazon forest degradation can reduce dry-season evapotranspiration by up to 34% and cause as much biodiversity loss as deforestation in human-modified landscapes, generating uneven socioeconomic burdens, mainly to forest dwellers. Projections indicate that degradation will remain a dominant source of carbon emissions independent of deforestation rates. Policies to tackle degradation should be integrated with efforts to curb deforestation and complemented with innovative measures addressing the disturbances that degrade the Amazon forest.

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