Skip to Main Content
Our MD Streams
Rivers & Streams
Rivers and Streams Home
Maryland Biological Stream Survey
Stream Waders Volunteers
Maryland Water Monitoring Council
Maryland Stream Health
Marcellus Shale Stream Monitoring
MBSS Trainings and Certifications
Maryland Invasive Species
Species Spotlight Archives
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.
Method of measuring the composition of streambed material by manual collection while wading in a stream.
Microflora and fauna attached to the bottom or other submerged objects.
Measure of the rate at which water can penetrate and pass through a medium such as soil.
A stream that flows continuously throughout the year.
A region of which all parts are similar in geological structure and climate, while differing from adjacent regions.
Presence of matter or energy, usually of human origin, whose nature, location, or quantity produces an undesired environmental effect.
Small depression with standing water or an areas of slow water in a stream.
Life cycle strategy of a fish that includes migrations, spawning, and feeding entirely in freshwater. Compare with anadromous, catadromous, and diadromous.
Register to Vote
580 Taylor Ave, Annapolis MD 21401