Definition of Terms

There is a lot of technical terms on the Rivers and Streams website. This page is designed to help navigate and define these words and phrases. Use the line below to skip to a certain letter.
Native species:
Plant and animal species that naturally occur in aquatic and terrestrial habitats.
Non-point source:
Term applied to pollutants entering a water body in a diffuse pattern rather than from a single location. Includes land runoff, atmospheric deposition, or percolation.
Elements or compound essential for growth, development, and life for organisms such as oxygen, nitrogen, and phosphorus.