Não somente os direitos indígenas, garantidos pela Constituição Federal de 1988, estão ameaçados pela Proposta de Emenda Constitucional 215 de 2000 (PEC 215/00). Atualmente em discussão no Congresso Nacional, esta PEC, que também abarca propostas apensadas relativas aos territórios quilombolas e às Unidades de Conservação, impõe um risco potencial e adicional à maior floresta tropical do planeta: a Amazônica. Algo que poderá contribuir para a perda de conquistas importantes ligadas à redução do desmatamento e da degradação florestal na região.
Paulo Moutinho, Ane Alencar, Fernanda Bortolotto, Caroline Correa Nóbrega, Martha Fellows Dourado, Isabel Mesquita, Julia Zanin Shimbo, Divino Silvério, Juliana Pinto
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The impacts of recurrent fires on diversity of fruit-feeding butterflies in a south-eastern Amazon forest
The impacts of recurrent fires on diversity of fruit-feeding butterflies in a south-eastern Amazon forest
In the south-eastern Amazon, positive feedbacks between land use and severe weather events are increasing the frequency and intensity of fires, threatening local biodiversity. We sampled fruit-feeding butterflies in experimental plots in a south-eastern Amazon...
Threshold Responses to Soil Moisture Deficit by Trees and Soil in Tropical Rain Forests: Insights from Field Experiments
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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.