Abstract
Abstract This study aimed to identify priority areas for the passive restoration of the Arauai river basin, municipality of Moju, Para, using a multicriteria model. This basin is located in a region with intense land use dynamics and expansion of oil palm cultivation, and with high forest loss and fragmentation. The Weighted Linear Combination method was used, with the aggregation of five criteria (Natural Erosion Vulnerability, Potential Land Use and Cover to Passive Restoration, Proximity to the Primary Forest, Forest cover deficit in PPAs, and Distance from Roads and Highways). This analysis allowed to evaluate different biophysical classes and types of land use that affect the selection of areas for restoration. A total of 207.82 km2 of priority areas for passive restoration were identified in the studied basin, with about 80% of its priority areas having medium to very high priority. The final map generated proved to be a useful instrument in the environmental management of restoration plans in the Amazon watershed.
Highlights
AND OBJECTIVESThe historical process of Amazonian occupation by large agricultural enterprises resulted in intense spatial and structural changes in the regional landscape (Toledo et al, 2015)
This study aimed to identify priority areas for the passive restoration of the Arauaí river basin, municipality of Moju, Pará, using a multicriteria model
As for the Forest Cover Deficit in permanent preservation areas (PPAs) (FD_PPA) criteria, we considered restrictions all map classes of vegetation cover and land use because the aim of restoring this criterion is only the track related to PPAs
Summary
AND OBJECTIVESThe historical process of Amazonian occupation by large agricultural enterprises resulted in intense spatial and structural changes in the regional landscape (Toledo et al, 2015). The Arauaí river basin, located in the municipality of Moju, is relevant in the context of the land use changes due to its insertion in the expansion zone of oil palm cultivation (Elaeis guineensis Jacq.) in the State of Pará. This basin is subject to intense pressures on its natural resources and land use (Almeida & Vieira, 2014), dominated by different agricultural uses, isolated fragments of native vegetation, secondary vegetation, and areas under degradation process (Silva et al, 2016). Ongoing degradation of this region leads to the increasing fragmentation, isolation and reduction of the forest remnants (Almeida et al, 2020)
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