This page collects deforestation alert data published by Brazil’s National Institute for Space Research (INPE) and Imazon, a Brazilian NGO. INPE’s system is called DETER for Sistema de Detecção do Desmatamento na Amazônia Legal em Tempo Real, while Imazon’s system is called SAD for Sistema de Alerta de Deforestation.
As explained here, month-to-month deforestation is highly variable. Short-term, alert-based deforestation detection systems do not penetrate cloud cover, so during the rainy season — from roughly November to April — estimates are notoriously unreliable when compared to the same month a year earlier. Furthermore, most forest clearing in the Amazon occurs when it is dry. So if the dry season is early, deforestation may increase earlier than normal. For these reasons, the most accurate deforestation comparisons are made year-on-year. For Brazil, the deforestation “year” ends July 31: the peak of the dry season when the largest extent of forest is typically visible via satellite.
Short-term data isn’t useless though — it can provide insights on trends, especially over longer periods of time. Generally, comparing 12 consecutive months of alert data will provide a pretty good indication of deforestation relative to other years. Therefore the charts below include monthly data as well as the 12-month moving average (Trailing Twelve Months = “TTM”).
Last update: 2019-Oct-10
Table: Monthly deforestation in the Brazilian Amazon
|Month||DETER||DETER TTM||SAD||SAD TTM|
In August 2016, the table data for the DETER columns switches from DETER to DETER-B, Brazil’s new deforestation detection system.
Deprived of their forests, Uganda’s Batwa adapt their sustainable practices
by latoyaabulu on October 27, 2021 at 12:00 pm
KISORO, Uganda — It’s been three decades since the Ugandan government evicted the Batwa people, an Indigenous group commonly known as Pygmies, from their forest lands. The reason for their displacement was to create national parks aimed at protecting biodiversity and promoting tourism. The conservation areas that sprang up in this southwestern corner of Uganda
BR-319 highway hearings: An attack on Brazil’s interests and Amazonia’s future (commentary)
by Glenn Scherer on October 26, 2021 at 4:31 pm
Public hearings are underway on the proposed reconstruction of BR-319, a highway which will pierce the heart of the Brazilian Amazon, despite vast potential environmental harm, and a failure to consult Indigenous groups.
NGOs say FSC label offers little protection for forests, Indigenous people
by malavikavyawahare on October 26, 2021 at 3:51 pm
As the annual meeting of the world’s most recognizable ethical wood certifier, the Forest Stewardship Council (FSC), kicked off on Oct. 25, environmental NGOs accused the body of failing to protect forests and indigenous groups. Drawing on years of investigation, U.K.-based NGO Earthsight highlighted problems at FSC-certified concessions ranging from forest destruction to human rights
Hungry like the maned wolf pup: Clips give rare glimpse of elusive canine
by elizabethalberts on October 26, 2021 at 2:01 pm
A camera trap in Argentina’s Iberá National Park has revealed rare images of one of the world’s most elusive species: the maned wolf (Chrysocyon brachyurus). A series of clips shows three maned wolf cubs playing by themselves outside their den, then nursing and eating regurgitated food provided by their mother, whom researchers have named Preta.
Indigenous Bolivians take the defense of their land into their own hands
by Maria Salazar on October 26, 2021 at 10:03 am
When the threats of potential mining activity arrived in the Bolivian community of Las Mangas, in the Indigenous Lomerío territory, the community held a meeting where they decided to put a stop to mining. Ailin Vaca Diez, the leader of the community, took a stand. “I wanted to make it clear that, for the sake