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Four states account for over 80% of Amazon's deforestation | Nature



Four states in the Legal Amazon accounted for 84.13% of the region's deforestation, according to the National Institute for Space Research (INPE). In a survey published Monday (18), between August 2018 and July 2019, the Stop led the clearing of the forest, followed Mato Grosso, Amazon and Rondonia.

Data comes from the Amazon Forestry Satellite Injury Project (Prodes) The Amazon Forest Afforestation was 9,762 km² from August 2018 to July 2019, with the four states accounting for 8,213 km².

Money has a bigger contribution

With 3,862 km² of forested area, the state of Paris has the highest contribution to deforestation in the region. There was 39.56% of the total cleared forest.

Mato Grosso, Amazon and Rhondnia exceeded a thousand kilometers of deforestation and were, in that order, the states that contributed most to the increase in the rate of deforestation behind Money.

Take a look at the afforestation rates in each country

Afforestation in the Amazon for legal purposes

StateProdi 2019 (km²)Contribution (%)
Stop3.86239.56
Mato Grosso1.68517.26
Amazon1421.14.56
Rondonia1.24512.75
Acre6887.05
Roraima6176.32
Maranchio2152.2
Tocantins210.22
Amamp8th0.08

Amazon deforestation between August 2018 and July 2019 was 9,762 km², the highest since 2008, when the forest had more than 12,000 km² of cleared area.

Compared to last year's survey, there was a 29.5% increase in forested areas from August 2017 to July 2018 – when 7,536 km² were recorded.

  • Official Afforestation Reports from Amazon Confirm Early Warning System Data

The system uses this range because it covers both rainy and dry seasons in the Amazon region. In this way, it incorporates the highlights of the "forest destruction cycle" and is able to identify possible climate impacts. Forest destruction is often followed by burning.

Amazon's afforestation rate since 2000

Source: Prodi

Conducted since 1988, the Prodes survey is considered to be the most accurate measure of Brazil's annual deforestation rates. However, the information released this Monday is still preliminary: as every year, Inpe will revise the data in the first half of 2020 and reach a consolidated rate.

The practices are mapped with images from Landsat, CBERS and ResourceSat satellites. The system can measure forests with an area of ​​more than 6.25 hectares. It also records the so-called "clearing" of forests, which is the complete removal of the primary forest cover. According to Inpe, Prodes' accuracy level is approximately 95%.


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