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Glossary

Glossary of Terms

Alien Species

(Also called introduced, exotic, or non-indigenous species) - A species that has been transported by human activity, intentionally or accidentally, into a region where it does not occur naturally.

Updrift

The direction opposite that of the predominant movement of littoral materials.

Primary production

The process in which organisms synthesize organic matter from inorganic materials, or the organic matter itself.

Water Level

The elevation of still water level relative to some datum.

Mud

A fluid-to-plastic mixture of finely divided particles of solid material and water.

Beach Profile

A cross-sectional plot of a shore-normal topographic and geomorphic beach survey, usually in comparison to other survey dates to illustrate seasonal and longer-term changes in beach volume.

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