Cerrado Ecosystem Dynamics and Land Use Change
Summary
The Cerrado is a vast tropical savannah in central Brazil recognised as one of the world’s most biodiverse biomes and a crucial water source for multiple river basins. Its vegetation comprises grasses, shrubs and deep‐rooted trees adapted to a marked dry season and recurrent fire regimes. Natural processes of nutrient cycling, carbon storage and regeneration underlie the ecosystem’s resilience, while heterogeneity in soil types and topography creates a mosaic of habitats. Over recent decades, expansion of cattle ranching and mechanised agriculture—primarily soy cultivation—has driven large‐scale conversion of native vegetation. This land use change has altered hydrological flows, reduced soil fertility and fragmented wildlife corridors, with knock‐on effects on regional climate and global carbon budgets. Emerging approaches in remote sensing, ecological modelling and restoration ecology are now informing more sustainable land management, balancing the demands of food production with the conservation of a biome of global significance.
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Cerrado Ecosystem Dynamics and Land Use Change publication trend
The graph below shows the total number of articles in cerrado ecosystem dynamics and land use change across all publications each year (not limited to Nature Index journals).
Technical terms
Land use and land cover (LULC): Classification of the Earth’s surface into categories such as forest, savannah, agriculture or urban based on physical appearance and human activity, often mapped via satellite imagery.
Generalized Additive Model (GAM): A flexible statistical method that fits smooth curves to describe complex, non‐linear relationships between a response variable (e.g. deforestation rate) and predictors (e.g. precipitation).
Random Forest Classification: An ensemble machine‐learning approach using multiple decision trees to assign land‐cover labels to pixels in satellite images, improving accuracy over single‐model methods.
Secondary Regrowth: The natural reestablishment of vegetation on land previously cleared, which can partially restore ecosystem functions but may differ in species composition and structure from primary vegetation.
Fire Regime: The pattern, frequency and intensity of fires in a given area over time, which profoundly influences vegetation structure and biodiversity in fire‐adapted landscapes such as the Cerrado.
References
- Modelling non-linear deforestation trends for an ecological tension zone in Brazil. Science of Remote Sensing (2023).
- Reconstructing Three Decades of Land Use and Land Cover Changes in Brazilian Biomes with Landsat Archive and Earth Engine. Remote Sensing (2020).
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