Deforestation of the Amazon rainforest , and recover of degraded pastures. In August 2017, Brazilian president Michel Temer abolished an Amazonian nature reserve the size of Denmark in Brazil's northern states of Pará and Amapá. Deforestation of the Amazon rainforest The cattle sector of the Brazilian Amazon, incentivized by the international beef and leather trades, has been responsible for about 80% of all deforestation in the region, or about 14% of the world's total annual deforestation, making it the world's largest single driver of deforestation. By 2017, 20% of land forested before 1970 in the Amazon had been deforested, and 90% of that been converted
Amazon rainforest is estimated at 16,000. The green leaf area of plants and trees in the rainforest varies by about 25% as a result of seasonal changes. Leaves expand during the dry season when sunlight is at a maximum, then undergo abscission in the cloudy wet season. These changes provide a balance of carbon between photosynthesis and respiration. The rainforest contains several species that can pose a hazard. Among the largest predatory creatures are the black caiman, jaguar, cougar, and anaconda. In the river, electric eels can produce an electric shock that can stun or kill, while piranha are known to bite