Most traditional uses of wetlands do not impose permanent impacts, with the exception of livestock grazing and timber harvest which can affect the functions such as water quality and habitat. read more
Pollution of freshwater wetlands. Many wetlands, particularly those near cities, have been polluted by human activities. Waterways often carry toxic loads of nutrients, heavy metals, pesticides and contaminants from previous activities that involved sewage plants, chemical factories, refineries and industry. read more
to wetlands generally leads to human impacts on the natural systems. Human impacts are influences that humans have on the natural environment, and generally refer to negative effects of human actions. read more