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Human impacts
The effects, intentional or unintentional, beneficial or harmful, direct or indirect, which human activities have upon the environment and living things.
Subtopics:
Abandoned mines and quarries (5 items)
Dredging (1 items)
Ecosystem services (1 items)
Land use change (21 items)
Mining hazards (10 items)
Overfishing (3 items)
Overgrazing (1 items)
Waste treatment and disposal (23 items)
Related topics:


Results 41 - 50 of 107 listed by similarity [list alphabetically]
PDF Effects of brush management on the hydrologic budget and water quality in and adjacent to Honey Creek State Natural Area, Comal County, Texas, 2001--10 [More info]
Comparison of water in two adjacent watersheds before and after implementing a brush management strategy in one of the watersheds helps us see what water resource characteristics are sensitive to brush management and how.
Effects of land use on water quality in Michigan [More info]
Links to projects that provide information on the relation of land use to water quality, sources of pollutants, or trends in water quality.
PDF Effects of urban stormwater-management strategies on stream-water quantity and quality [More info]
Changes in the way communities address potential problems with stormwater runoff may affect surface waters. This study combines geographic with hydrologic analyses to better understand the effects of the management strategies.
PDF Effects of wastewater on forested wetlands [More info]
Study of the effects of the practice of cycling municipal nutrient-enriched wastewater from holding ponds through forested wetlands. Studies were in the Cypiere Perdue Swamp, Louisiana, and the Drummond Bog, Wisconsin.
PDF Emissions from Coal Fires and Their Impact on the Environment [More info]
Reviews how coal fires occur, how they can be detected by airborne and remote surveys, and, most importantly, the impact coal-fire emissions may have on the environment and human health, especially mercury, carbon dioxide, carbon monoxide, and methane.
Environmental Affairs Program [More info]
The USGS reviews and prepares technical comments on environmental impact statements and establishes policies to implement the National Environmental Policy Act (NEPA). Site has links to environmental laws and regulations including NEPA.
PDF Environmental effects of historical mining in the Animas River watershed, southwestern Colorado [More info]
History and summary maps showing metal concentrations downstream of the mining area.
Environmental processes that affect mineral deposits in the Eastern United States [More info]
Studies in Eastern United States on massive sulfide deposits in Maine, Vermont, Great Smoky Mountains, and Virginia to assess potential environmental impacts.
Erosion in the Rio Puerco: geography and processes [More info]
Paper on the accelerated erosion of the Rio Puerco, a tributary of the Rio Grande in New Mexico, which has deepened and widened its channel, or arroyo, since the settlement of the region.
PDF Examination of brine contamination risk to aquatic resources from petroleum development in the Williston Basin [More info]
Wetlands and oil wells shouldn't mix, but in some areas they do. This explains what problems may arise and how we study the effects of highly salty water produced by oil wells when it leaks into nearby wetlands and streams.
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