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Mapping tropical dry forest succession using multiple criteria spectral mixture analysis
The study introduces the MCSMA method to improve the mapping of tropical dry forest succession stages by utilizing spectral and spatial information and an evaluation framework based on RMSE, spatial distance, and fraction consistency. Tested in Costa Rica's Santa Rosa National Park, the method outperformed the MESMA approach in reducing error across early, intermediate, and late successional stages.
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Document type: Research paper
Modeling seasonal surface temperature variations in secondary tropical dry forests
The research modeled land surface temperature (LST) time series from July 2013 to July 2016 using Landsat-8 data and a radiative transfer equation algorithm. The study found that LST in the dry season was 1520 K higher than in the wet season, with early successional stages being significantly warmer than intermediate and late stages during the dry season. While leaf phenology and canopy architecture explain most variations, precipitation was identified as the ultimate determinant of LST variations through biogeochemical and biogeophysical processes.
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Document type: Research paper
Interception of rainfall in successional tropical dry forests in Brazil and Costa Rica
The study analyzed rainfall interception in early, intermediate, and late successional stages of tropical dry forests in Costa Rica and Brazil. In Brazil's Mata Seca State Park, net rainfall remained relatively stable between 79.3% and 85.4% across stages, influenced by high liana density. In Costa Rica's Santa Rosa National Park, net rainfall decreased significantly as succession progressed, from 87.5% in early stages to 63.4% in late stages, correlating negatively with the plant area index.
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Document type: Research paper
Case Example: Costa Rica
Between 1986 and 2005, Costa Rica increased its forest area by 394,000 hectares, primarily through passive restoration on abandoned pastures. This success is attributed to a combination of crisis-driven motivation, ecological viability, and market shifts—specifically the decline of the cattle industry and the rise of eco-tourism. While the Pago de Servicios Ambientales (PSA) system is a well-known financial incentive, the document argues that structural economic changes and restrictive forestry laws were equally or more critical to the country's reforestation outcomes.
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Document type: Case study