Analyzing Spatio-temporal Land Cover Dynamics in an Atlantic Forest Portion Using Unsupervised Change Detection Techniques

Sapucci, Gabriela Ribeiro; Negri, Rogério Galante; Casaca, Wallace; Massi, Klécia Gili

doi:10.1007/s10666-021-09758-6

Cited by 13 publications

(9 citation statements)

References 33 publications

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“…We also verified that 11 municipalities that joined PES programas had forest gains (although small), while the majority of municipalities that did not join PES programs had forest loss (Table II). This slight increase in forest cover in the region (seen in Table II and Figure 2), as observed in data source of the MapBiomas Project (2021), was already pointed out in the region (Sapucci et al 2021(Sapucci et al , 2022. We cannot attribute the forest gain only to the PES programs in each municipality, but landscape quality improvement related to PES projects may consequently be leading to forest gains, as indicated by Fiorini et al (2020) for Brazilian Atlantic forest of PES participating properties and landscapes.…”

Section: Resultsmentioning

confidence: 57%

“…The Paraíba do Sul River basin sits on the fringe between the major metropolitan areas of São Paulo and Rio de Janeiro (the biggest Brazilian cities). Although populous, the mostly rural valley is currently characterized by a patchy landscape of tropical forest remnants and pastures (Sapucci et al 2021) and has become a focus for regeneration of the Atlantic Forest biome (Silva et al 2016) and several restoration and conservation projects (observatorio-darestauracao.org.br), receiving significant amount of funds from national and international organizations. Besides all that, natural disasters, such as recurrent floods, droughts, an-thropogenic fires and erosion problems associated with hilly reliefs (INPE 2021, AGEVAP 2020) make the region of great relevance and need for studies relating PES projects and ecosystem services with the prevention of natural disaster events.…”

Section: Introductionmentioning

confidence: 99%

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Relationship between Payment for Ecosystem Services Programs and Disasters in Southeast Atlantic Forest region, Brazil

ALMEIDA

TROVARELLI

Massi

2023

An. Acad. Bras. Ciênc.

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Ecosystem services significantly contribute to ecosystems resilience and stability. In this sense, payment for ecosystem services can be designed and applied to prevent or decrease environmental disaster risks. This study aimed at verifying whether municipalities taking part in PES programs present higher number of natural disasters (flood, drought, landslide and fire) between 2009 and 2020 in the Paraíba do Sul river basin. We expected that municipalities having more disaster events would take part in more projects, which we found. Programs can be implemented in response to the increase in natural disasters. We also expected PES calls to explicitly target natural disaster prevention measures and actions, which we did not observe. We found actions related to soil conservation and vegetation cover that might prevent risks, but there were no mentions of disasters. It is concerning that PES in Vale do Paraíba Paulista programs have not been addressing natural disaster risk reduction in a landscape, where floods, droughts, anthropogenic fires and erosion problems associated with hilly reliefs have been increasing in the last years.

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Section: Resultsmentioning

confidence: 57%

Section: Introductionmentioning

confidence: 99%

Relationship between Payment for Ecosystem Services Programs and Disasters in Southeast Atlantic Forest region, Brazil

ALMEIDA

TROVARELLI

Massi

2023

An. Acad. Bras. Ciênc.

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“…The Paraíba do Sul River Valley is currently characterized by a landscape patchwork of tropical forest remnants and pastures (Sapucci et al, 2021). Guedes et al (2020) found a strong positive correlation between pasture area and burn probability in the region, while the opposite was verified for forest cover, reinforcing the role of pastures in fire ignition and transmission.…”

Section: Introductionmentioning

confidence: 91%

The influence of climate parameters on fires in the Paraíba do Sul River valley, southeast Brazil

Oliveira,

Massi,

Bortolozo

et al. 2023

Rev. ambiente água

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Brazilian biomes have been experiencing an increase in fires during the whole year, but fires increase substantially during drier periods. Several indexes might be good indicators of the severity of the droughts, such as The Rainfall Anomaly Index (RAI), Standardized Precipitation Index (SPI) and the Vegetation Health Index (VHI). This study therefore aimed to understand the dynamics of climate, using some indexes and fires in Paraíba do Sul River Valley, Paulista portion, to verify whether fire is more likely to spread in hotter and drier years. We hypothesized that fire events are more frequent and burned areas are larger in hotter and drier years in the region. By conducting a cross-correlation analysis and separating the monthly data into dry and rainy seasons, it was possible to establish a correlation between climate parameters and fire. A significant correlation was found between RAI and fires in both seasons. Additionally, we observed that high occurrences of fire events and burning areas were more explained by RAI, VHI and SPI-3 in dry and wet seasons than by temperature and SPI-1, SPI-6 and SPI-12. We noticed a complex dynamic between fire events, burned area, the environment, and climatic variables. However, the studied indexes proved to be effective tools for detecting drought conditions in the region and their relationship to fire. Keywords: burning, climatic indexes, Paraíba do Sul River Valley.

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“…More specifically the Paraíba do Sul River basin region has a hilly relief (between 20% to 45% slope: Embrapa 1979), soil is red-yellow latosol (Brasil 1960), vegetation is Atlantic rainforest (transition between evergreen and semi-deciduous forest), climate is classified as dry-winter subtropical (Cwa: Alvares et al 2013), landscape is dominated by pasture, small fragments of secondary forest, and silviculture (Eucalyptus species) (Sapucci et al 2021). In the last 60 years, forest cover in the basin increased from 200,000 to 450,000 ha, equivalent to 30% of the territory, through natural regeneration processes S1.…”

Section: Study Sitesmentioning

confidence: 99%

Simple indicators are good proxies for ecological complexity when assessing Atlantic Forest restoration success

Massi

Chaves

Tambosi

2022

Restoration Ecology

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Legal regulation related to restoration monitoring should be supported and validated by studies that evaluate the performance of indicators. In Brazil, a specific state regulation uses three indicators to attest recovery: ground cover with native vegetation (i.e. canopy cover, for tropical forest restoration projects) and density and richness of native plants spontaneously regenerating. Thus, we adopted other three ecological parameters: richness of zoochorous regenerant species (a functioning indicator linked to seed dispersal), the density of non-pioneer regenerants (a composition indicator), and dominance (a structure indicator), to test whether the indicators of the legal state monitoring protocol were associated to these more qualified indicators and we discussed the state protocol effectiveness. We evaluated 10 sites under restoration in the Atlantic Forest ranging from 9 to 45 years old and a reference area. Our results showed that the three indicators of the state monitoring protocol were associated to more qualified indicators in different restored sites and they can be considered proxies of ecological parameters to monitor and attest restoration success of tropical rainforest. In addition, dominance was strongly associated with richness of regenerants, but it was not associated to density, implying that richness and density of regenerants are not redundant and both should be monitored in the field. This kind of analysis could be usefully applied to define powerful and integrative indicators elsewhere, simplifying them without losing effectiveness as a means to stimulate wide adoption of monitoring protocols in the UN Decade on Ecosystem Restoration.

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Analyzing Spatio-temporal Land Cover Dynamics in an Atlantic Forest Portion Using Unsupervised Change Detection Techniques

Cited by 13 publications

References 33 publications

Relationship between Payment for Ecosystem Services Programs and Disasters in Southeast Atlantic Forest region, Brazil

Relationship between Payment for Ecosystem Services Programs and Disasters in Southeast Atlantic Forest region, Brazil

The influence of climate parameters on fires in the Paraíba do Sul River valley, southeast Brazil

Simple indicators are good proxies for ecological complexity when assessing Atlantic Forest restoration success

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