After 40 years of government induced settlement of the Brazilian Amazon, the core of this region has experienced surprisingly little deforestation. The agriculture and ranching that cause deforestation depend upon reliable roads, which are concentrated along the eastern and southern flanks of Amazonia. This ‘passive protection’ of central Amazonia may soon be lost, however, unless the proposed paving of roads through the core of the region is reassessed.
Tree height matters
Tall trees are more resilient to drought than short trees, suggests a comparison of the sensitivity of photosynthesis to soil moisture in Amazon forests. Full...