Glossary

b
bedrocksearch for term
The solid rock underlying unconsolidated surface materials (such as soil).
benthicsearch for term
Of, relating to, or occurring on the bottom underlying a body of water.
bioaccumulatesearch for term
The accumulation of a substance (as a pesticide) in a living organism.
bioavailabilitysearch for term
The degree and rate at which a substance is absorbed into a living system or is made available at the site of physiological activity.
biodiversitysearch for term
A number of species growing in balance within an ecosystem.
biological controlsearch for term
The purposeful introduction of natural enemies by scientists and environmental managers as a means to weaken and suppress invading plants.
biological productivitysearch for term
The ability of a waterbody (or habitat) to support plants, fish, and wildlife. The rate at which organic material is produced.
biomasssearch for term
Weight of all living material in a unit area at an instantaneous time.
bloomsearch for term
A rapid and excessive growth of a plankton population.
brackishsearch for term
Somewhat salty.
brand namesearch for term
Name under which the manufacturer sells the product.
breakdown pathwaysearch for term
The environmental processes that cause a herbicide to no longer be toxic to plants.
broad spectrum herbicidesearch for term
A herbicide that kills a wide range of plants.