ecosystem services

Natural processes by which the environment produces services and resources such as clean water and air, crops, timber, fisheries, pollination of native and agricultural plants, oxygen production, carbon dioxide uptake, decomposition of dead matter, soil stabilization, etc.

Citation: 
http://www.esa.org/ecoservices/comm/body.comm.fact.ecos.html
English

ecosystem services [cite]

Source: Millenium Ecosystem Assessment 2005