In the core areas in these parks, no human exploitation is allowed, no roads or construction, no hunting, fishing, mining, logging, grazing or even grass cutting.
However, both are now seriously threatened by deforestation and invasive practices, including intensive mining and logging, extensive livestock activity, water pollution, degradation of headwaters, unregulated processes of urban settlement, construction of roads, waterways and dams, drainage and diversion of rivers, burning of forests and illegal fishing and trade in wildlife.