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.
Anthropogenic sources include industry
- 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
- The human alteration of plants by breeding, selection, genetic engineering and tissue fusion (see cultigen)
- Concentration of human activities in discrete zones.
- Concentration of waste products, sewage, and debris.