Banca de DEFESA: DANIEL GONÇALVES SOUZA

Uma banca de DEFESA de MESTRADO foi cadastrada pelo programa.
DISCENTE : DANIEL GONÇALVES SOUZA
DATA : 29/01/2021
HORA: 09:00
LOCAL: Instituto de Biologia - UFBA - Salvador, BA
TÍTULO:

The role of protected areas against natural vegetation destruction in Brazil

PALAVRAS-CHAVES:

Habitat loss; Habitat conversion, Natural vegetation, Leakage, Spillover; Matching

PÁGINAS: 63
GRANDE ÁREA: Ciências Biológicas
ÁREA: Ecologia
SUBÁREA: Ecologia Aplicada
RESUMO:

The conservation of biodiversity and all the benefits arising from nature's integrality is a central value for the world's societies. When accounting for the conservation units and indigenous lands in Brazil, more than 2.5 million km² of the territory are designated as protected areas (PAs). However, studies that assess the effectiveness of the PA network in Brazil in protecting biodiversity are limited, despite its global conservation significance. Here we used a counterfactual approach to test the effectiveness of the Brazilian terrestrial conservation network of 1,082 PAs in avoiding natural vegetation destruction since 1985. Additionally, we tested the PAs' impact on their buffer areas' vegetation. We found that about 85.3% of PAs are more effective than unprotected areas and, on average, for each km of vegetation lost in PAs, 4.54 km are lost in similar unprotected areas. Among the biomes, Amazon had the most effective PAs, although some of the least effective ones are also placed there. Indigenous lands appeared as the most effective category of PAs. Besides that, the effectiveness is positively correlated with size but negatively correlated with the year of designation. We also found that PAs' positive effect generally extended beyond their official boundaries. The consequence of PAs is more than 10,000 km² of natural vegetation spared of conversion, and annually more than 9 Tg of carbon has not been emitted to the atmosphere. We showed here that PAs play a strategic role in Brazil and the world by effectively protecting natural vegetation and, consequently, biodiversity and ecosystem services, contributing to people's wellbeing in the world.

MEMBROS DA BANCA:
Presidente - 1576452 - RICARDO DOBROVOLSKI
Externo(a) à Instituição - LUIS MAURICIO BINI - UFG
Externo(a) à Instituição - RAÍSA ROMÊNIA SILVA VIEIRA