Anthropogenic

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Anthropogenic effects, processes, objects, or materials are those that are derived from human activities, as opposed to those occurring in natural environments without human influences.

The term is often used in the context of environmental externalities in the form of chemical or biological wastes that are produced as by-products of otherwise purposeful human activities.

[edit] Sources

Anthropogenic sources include industry, agriculture, botany, mining, transportation, construction, habitations and deforestation.

[edit] Industry

• Release of gases and dust into the atmosphere.
• Waste disposal practices.
• Air pollution, water pollution.

[edit] Agriculture

• Conversion of woodlands into fields and pastures including slash-and-burn techniques.
• Diversion of surface and groundwater.
• Ground water salinization due to inadequate drainage.
• Pollution of soil and water by chemicals found in fertilizer and pesticides.
• dirty or unclean water

[edit] Botany

• The human alteration of plants by breeding, selection, genetic engineering and tissue fusion (see cultigen)

[edit] Mining

• Removal of topsoil and creation of spoil piles.
• Diversion of groundwater by mine shafts.
• Surface runoff bearing mining wastes.
• Release of air pollution by refining processes.

[edit] Transportation

• Diversion of surface water flow by roadways.
• Vehicular air pollution.
• Roadway noise, aircraft noise and transit noise.

[edit] Construction

• Removal of natural habitats by grading and building
• Diversion of groundwater.
• Filling in marshes, bays, swamps, ponds, stream beds.

[edit] Habitations

• Concentration of human activities in discrete zones.
• Concentration of waste products, sewage, and debris.

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