Caatinga
The Caatinga is a seasonally dry tropical biome of northeastern Brazil, characterized by drought-adapted vegetation and a pronounced dry season.
Tropical dry forest: A forest ecosystem in tropical regions where rainfall is strongly seasonal and trees often shed leaves during dry periods. The Caatinga is a distinctive Brazilian example of this broader ecosystem type.
Intertropical Convergence Zone: A tropical belt of converging trade winds where rising air produces clouds and heavy rainfall. Its seasonal movement influences rainfall timing across parts of northeastern Brazil.
Caatinga conservation: The protection and sustainable management of the Caatinga's habitats, species, and ecological processes. Conservation efforts address habitat loss and the biome's underrepresentation in protected areas.
Brazilian biomes: The major ecological regions of Brazil, distinguished by climate, vegetation, and characteristic species. The Caatinga is one of Brazil's recognized major biomes.
Deforestation in Brazil: The removal or severe degradation of native forest and woodland cover across Brazil. Wood harvesting and conversion to farms and pasture have reduced native Caatinga vegetation.
Semi-arid climate: A climate with low precipitation relative to potential evaporation, often marked by unreliable rainfall. Its semi-arid climate creates the water stress that shapes Caatinga vegetation.
Rain shadow: A dry region on the leeward side of a mountain range, where descending air suppresses precipitation. Regional topography contributes to rainfall contrasts within the Caatinga.
Caatinga restoration: The recovery of degraded Caatinga ecosystems through measures such as native planting and grazing management. Restoration can rebuild vegetation and soil functions damaged by intensive land use.
Cerrado: A tropical savanna biome of central Brazil with grasslands, shrublands, and fire-adapted woodland. The Cerrado is another Brazilian dry-season biome, but has savanna structure and different dominant vegetation.
Habitat fragmentation: The division of continuous habitat into smaller, isolated patches by land conversion or infrastructure. Fragmentation isolates Caatinga populations and disrupts ecological connections across the landscape.