Deforestation reduces rainfall and agricultural revenues in the Brazilian Amazon

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dc.creatorArgemiro Teixeira Leite-Filho
dc.creatorBritaldo Silveira Soares Filho
dc.creatorJuliana Leroy Davis
dc.creatorGabriel Medeiros Abrahão
dc.creatorJan Börner
dc.date.accessioned2023-04-20T21:23:44Z
dc.date.accessioned2025-09-08T23:02:51Z
dc.date.available2023-04-20T21:23:44Z
dc.date.issued2021-05-10
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.format.mimetypepdf
dc.identifier.doihttps://doi.org/10.1038/s41467-021-22840-7
dc.identifier.issn2041-1723
dc.identifier.urihttps://hdl.handle.net/1843/52348
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofNature Communications
dc.rightsAcesso Aberto
dc.subjectDesmatamento
dc.subjectAmazônia
dc.subjectFlorestas - Legislação
dc.subjectChuvas
dc.subject.otherChuva
dc.subject.otherAmazônia
dc.subject.otherDesmatamento
dc.subject.otherPolítica de desmatamento
dc.titleDeforestation reduces rainfall and agricultural revenues in the Brazilian Amazon
dc.typeArtigo de periódico
local.citation.epage7
local.citation.issue1
local.citation.spage2591
local.citation.volume12
local.description.resumoIt has been suggested that rainfall in the Amazon decreases if forest loss exceeds some threshold, but the specific value of this threshold remains uncertain. Here, we investigate the relationship between historical deforestation and rainfall at different geographical scales across the Southern Brazilian Amazon (SBA). We also assess impacts of deforestation policy scenarios on the region’s agriculture. Forest loss of up to 55–60% within 28 km grid cells enhances rainfall, but further deforestation reduces rainfall precipitously. This threshold is lower at larger scales (45–50% at 56 km and 25–30% at 112 km grid cells), while rainfall decreases linearly within 224 km grid cells. Widespread deforestation results in a hydrological and economic negative-sum game, because lower rainfall and agricultural productivity at larger scales outdo local gains. Under a weak governance scenario, SBA may lose 56% of its forests by 2050. Reducing deforestation prevents agricultural losses in SBA up to US$ 1 billion annually
local.identifier.orcidhttp://orcid.org/0000-0002-8480-4254
local.identifier.orcidhttp://orcid.org/0000-0002-7703-946X
local.identifier.orcidhttp://orcid.org/0000-0003-0336-6246
local.publisher.countryBrasil
local.publisher.departmentIGC - DEPARTAMENTO DE CARTOGRAFIA
local.publisher.initialsUFMG
local.url.externahttps://www.nature.com/articles/s41467-021-22840-7

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