Two recent studies looked into the impact of human disturbance on ecological diversity in Amazonia habitats. Another study in the Rupununi region of Guyana found how important maintaining connectivity is to maintaining ecosystem health. The first study investigated how forest fragmentation impacts mixed-species flocks of birds. The research found evidence that forest habitat fragmentation in the Amazon has caused mixed-species bird flocks to severely diminish and even disappear. A second study evaluated the impact of logging and fire on seed dispersal in tropical forest plots in the eastern Brazilian Amazon. The research team found that Amazon forests which have been heavily logged and burned are populated primarily by tree species with smaller seeds, and smaller fruits. The remote Rupununi region provides water connectivity between the ancient Guyana Shield and the Amazon basin. A recent study there identified more than 450 fish species within the Rupununi region. The research illustrated the value of conserving connectivity between diverse habitats. The Amazon rainforest is falling to pieces — deep cracks intrude ever farther into old growth forest, while devastating wildfires spring up to consume degraded fragments. This shattering, occurring over decades, is the result of an aggressive modern human economic invasion, as […]

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