Oito organizações ambientalistas – Greenpeace Brasil, ICV, Imaflora, Imazon, IPAM, Instituto Socioambiental, WWF-Brasil e TNC Brasil – apresentaram pela primeira vez no Brasil o relatório “Desmatamento zero na Amazônia: como e por que chegar lá”.
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Threshold Responses to Soil Moisture Deficit by Trees and Soil in Tropical Rain Forests: Insights from Field Experiments
Many tropical rain forest regions are at risk of increased future drought. The net effects of drought on forest ecosystem functioning will be substantial if important ecological thresholds are passed. However, understanding and predicting these effects is challenging using observational studies alone. Field-based rainfall exclusion (canopy throughfall exclusion; TFE) experiments can offer mechanistic insight into the response to extended or severe drought and can be used to help improve model-based simulations, which are currently inadequate.
Confronting model predictions of carbon fluxes with measurements of Amazon forests subjected to experimental drought.
Considerable uncertainty surrounds the fate of Amazon rainforests in response to climate change. Here, carbon (C) flux predictions of five terrestrial biosphere models (Community Land Model version 3.5 (CLM3.5), Ecosystem Demography model version 2.1 (ED2),...