ecosystem
Defined in 2 places across 2 titles of the United States Code.
The term “ecosystem” means any terrestrial, freshwater aquatic, or coastal ecosystem, including an estuary.
Source
- 2007–present42 U.S.C. § 17272The Public Health and Welfare · Assessment of carbon sequestration and methane and nitrous oxide emissions from ecosystems · in this section
The term "ecosystem" means the complex of a community of organisms and the environment of the organisms.
Source
- 2019–present16 U.S.C. § 666c-1Conservation · Protection of water, oceans, coasts, and wildlife from invasive species · in this section