EARTH SCIENCE > BIOSPHERE > ECOLOGICAL DYNAMICS > ECOSYSTEM FUNCTIONS > NUTRIENT CYCLING
Nutrient cycling is the repeated pathway of particular nutrients or
elements from the environment through one or more organisms back to the
environment. Nutrient cycles include the carbon cycle, the nitrogen
cycle, the phosphorus cycle, and so on.
Nebel, Bernard J.and Richard T. Wright. Environmental Science-the Way the World
Works. 1998. Prentice-Hall, Inc. Upper Saddle River, New Jersey.