NDLI: Simulating Deforestation and Carbon Loss in Amazonia: Impacts in Brazil’s Roraima State from Reconstructing Highway BR-319 (Manaus-Porto Velho)

Content Provider	Springer Nature Link
Author	Barni, Paulo Eduardo Fearnside, Philip Martin Graça, Paulo Maurício Lima de Alencastro
Copyright Year	2014
Abstract	Reconstruction of Highway BR-319 (Manaus-Porto Velho) would allow for access from the “arc of deforestation” in the southern part of Brazil’s Amazon region to vast blocks of forests in central and northern Amazonia. Building roads is known to be a major driver of deforestation, allowing entry of squatters, and other actors. Rather than deforestation along the highway route, here we consider the road’s potential for stimulating deforestation in a separate location, approximately 550 km north of BR-319’s endpoint in Manaus. Reconstructing BR-319 has great potential impact to start a new wave of migration to this remote region. The southern portion of the state of Roraima, the focus of our study, is already connected to Manaus by Highway BR-174. We modeled deforestation in southern Roraima and simulated carbon emissions between 2007 and 2030 under four scenarios. Simulations used the AGROECO model in DINAMICA-EGO © software. Two scenarios were considered with reconstruction of BR-319 and two without this road connection. For each of the two possibilities regarding BR-319, simulations were developed for (1) a “conservation” (CONSERV) scenario that assumes the creation of a series of protected areas, and (2) a “business-as-usual” (BAU) scenario that assumes no additional protected areas. Results show that by 2030, with BR-319 rebuilt, deforestation carbon emissions would increase between 19 % (CONSERV) and 42 % (BAU) over and above those corresponding to no-road scenarios.
Starting Page	259
Ending Page	278
Page Count	20
File Format	PDF
ISSN	0364152X
Journal	Environmental Management
Volume Number	55
Issue Number	2
e-ISSN	14321009
Language	English
Publisher	Springer US
Publisher Date	2014-12-04
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Global warming Land use Land-use change Carbon Tropical forest Climate change Environmental Management Ecology Nature Conservation Atmospheric Protection/Air Quality Control/Air Pollution Forestry Management Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution
Content Type	Text
Resource Type	Article
Subject	Ecology Pollution Global and Planetary Change

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