They Are not Numbers. They Are Lives! COVID-19 threatens indigenous peoples in the Brazilian Amazon

29 de June de 2020

Jun 29, 2020

Martha Fellows, Valéria Paye, Ane Alencar, Mário Nicácio, Isabel Castro, Maria Emília Coelho, Paulo Moutinho

The scenario of infection is severe. The mortality revealed among the indigenous peoples of the Amazon today is the harbinger of a situation that can be catastrophic if an urgent and adequate strategy for treating these populations is not implemented within these regions. This technical note aims to present more data that help to give dimension to the problem, in this sense, in order to contribute so that solutions are created quickly and efficiently, for the safety of all the indigenous peoples in the region.

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Fire, fragmentation, and windstorms: A recipe for tropical forest degradation

Fire, fragmentation, and windstorms: A recipe for tropical forest degradation

Widespread degradation of tropical forests is caused by a variety of disturbances that interact in ways that are not well understood. To explore potential synergies between edge effects, fire and windstorm damage as causes of Amazonian forest degradation, we quantified vegetation responses to a 30‐min, high‐intensity windstorm that in 2012, swept through a large‐scale fire experiment that borders an agricultural field. Our pre‐ and postwindstorm measurements include tree mortality rates and modes of death, above‐ground biomass, and airborne LiDAR‐based estimates of tree heights and canopy disturbance (i.e., number and size of gaps). The experimental area in the southeastern Amazonia includes three 50‐ha plots established in 2004 that were unburned (Control), burned annually (B1yr), or burned at 3‐year intervals (B3yr).