Reports: Logging and fires causing high levels of forest loss in the Amazon and beyond

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Reports: Logging and fires causing high levels of forest loss in the Amazon and beyond

Brazil’s national space research institute has tracked levels of deforestation broadly consistent with last summer, when levels hit a 15-year high. Elsewhere, researchers in the US have documented a doubling of tree loss from forest fires since 2001.

A study published on Wednesday (17 August) by researchers at the University of Maryland revealed that forest fires burned a record level of tree cover in 2021. Using satellite imagery, the team calculated that 2021 saw 9.3 million hectares of tree cover affected. This is compared with around six million hectares in 2001.

The five most-affected countries during the 2001-2021 period were found to be Russia, Canada, the US (particularly the west coast), Brazil and Australia.

Russia came first by a long run, losing an average of 2.51 million hectares of forest each year compared with Canada’s average of 1.27 million hectares. Russia’s level of tree loss to fires increased by 31% between 2020 and 2021

Only fires resulting in “substantial” tree canopy loss were included in the study, and instances where trees were cut down and later burned were excluded.

Global Forest Watch states that 9.3 million hectares of tree cover lost in 2021 represented more than one-third of all tree cover loss globally that year. It is also warning that deforestation led by industries such as agriculture and forest products is making regions more vulnerable to fires, as this practice leads to drier vegetation and soils.

The level of forest cover lost in fires may well increase year-on-year for 2022, with little sign of deforestation rates slowing and with several nations reporting an increase in forest fire damage amid high temperatures and low rainfall levels. The EU’s satellite monitoring service has stated this month that western Europe has seen record fire activity so far in 2022, with widespread forest loss recorded in Greece, France, Spain and Portugal. Deadly fires are also happening in Algeria this weekand Morocco.

Global Forest Watch has stated that climate change is a “major driver” in increased fire activity, as warming global temperature averages and changing weather patterns serve to make heatwaves more likely, more intense, and prolonged. For an explainer on the link between forest fires and climate change, readers may wish to access this resource from Carbon Brief.

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