Human activity degraded more than a third of remaining Amazon forest: Study

The Amazon rainforest has been degraded to a much greater extent than scientists previously believed with more than a third of the remaining forest affected by humans, according to a new study. 


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The study shows that up to 38 per cent of the remaining Amazon forest area - equivalent to ten times the size of the UK - has been affected by some form of human disturbance, causing carbon emissions equivalent to or greater than those from deforestation.

The paper was led by an international team of 35 scientists and researchers, from institutions such as Brazil’s University of Campinas (Unicamp), the Amazon Environmental Research Institute (IPAM), the National Institute for Space Research (INPE), and the UK’s Lancaster University, it said.

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The work is the result of the AIMES (Analysis, Integration and Modelling of the Earth System) project, linked to the Future Earth international initiative, which brings together scientists and researchers who study sustainability, the study said.

The findings, published in the journal Science, are the result of an analytical review of previously published scientific data, based on satellite imagery and a synthesis of published data outlining changes in the Amazon region between 2001 and 2018, the study said.

The authors define the concept of degradation as transient or long-term changes in forest conditions caused by humans. Videos Videos Videos Videos Videos Videos Videos Videos Videos Videos Videos Videos Videos Videos 

Degradation is different from deforestation, where the forest is removed altogether and a new land use, such as agriculture, is established in its place. Although highly degraded forests can lose almost all of the trees, the land use itself does not change.

 


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