Using the Geoweb cellular confinement system with onsite vegetation and onsite bacterial nutrients, a structurally secure, sustainable vegetation cover was established. The interaction of all components resulted in the establishment of a natural, healthy, ecosystem that is changing the sterile soils into...
The Amazon basin includes 550 Mha covered with rainforests, and 60% of this area is in Brazil. The conversion of rainforest for soybean production raises concerns about how Brazil can reconcile production and environmental goals. Here we investigated the degree to which intensification could help...
THE AMAZON basin, most of which sits within the borders of Brazil, contains 40% of the world’s tropical forests and accounts for 10-15% of the biodiversity of Earth’s continents. Since the 1970s nearly 800,000km² of Brazil’s original 4m km² (1.5m square miles) of Amazon fores...
Forest changes in the Amazon Basin during the last glacial maximum spectra and Podocarpus wood in the deposits suggest that vegetation comparable to the present Andean forest grew at least 700 m lower than it does now, suggesting a temperature depression of at least 4.5 °C for the Amazon lowla...
A synthesis of recent research shows that the effects of human actions have already altered the regional hydrology and energy balance of parts of the Amazon basin, and that interactions between deforestation, fire and climate change are likely to further
Natural and indigenous disturbances and synchronized phenologies are therefore responsible for a dynamic spectral bahavior in large portions of the Amazon Basin. Disturbances and disturbance indicators not easily detected include blowdown sites > 30 yrs old, blowdowns < 30 hectares in size, liana ...
Understanding the temporal and spatial changes of vegetation in the Amazon Basin and the response of vegetation to climatic factors is essential for global climate change adaptation. However, the respective contributions of precipitation and temperature variability to vegetation dynamics in the Amazon Basin...
The Amazon Basin is low lying, with more than 1,000,000 km2 below 100 m elevation. For example the water level at Manaus, which lies 1200 km inland, is only 14 m a.s.l. As a consequence, the central and eastern part of the Amazon Basin and its vegetation as well as the coastal...
Isoprene is emitted in large quantities by vegetation such as broad-leafed trees and it has the largest source strength of all biogenic volatile organic compounds (VOCs). Globally, emissions amount to about 500–600 Tg a−1, representing more than half of the total biogenic VOC emissions...
The Amazon forest also releases large amounts of BVOC, including isoprene, monoterpenes and sesquiterpenes emitted by vegetation and soil36,37. Mosses and lichen, which constitute a significant portion of the forest ground cover, release sesquiterpenes when they become moist. Fig. 4: Ozone evolution...