ABSTRACT

The functionality and resilience of natural and managed ecosystems mainly rely on the metabolic abilities of microbial communities, the main source of enzymes in soils. Enzyme-mediated reactions are critical in the decomposition of organic matter, cycling of nutrients, and in the breakdown of herbicides and pollutants. This entry describes the groups, locations, and role of enzymes in soils, and the relationship between soil enzyme activities soil properties, soil management and pollution.