Wenger 72944 Especificações descarregar pdf (Página 347)

Section 11 Glossary of Terms and Acronyms

EAA Storage Reservoirs Revised Draft PIR and EIS February 2006

11-5

Limnology— Scientific study of the physical, chemical and biological

characteristics of freshwater including lakes, streams, and ponds.

Littoral zone— The shore of land surrounding a water body that is characterized

by periodic inundation or partial saturation by water level. Typically defined by

species of vegetation found.

Marl— Soil comprised of clays, carbonates and shell remains.

Marsh— An area of low-lying wetland.

Mercury— Heavy metal that is toxic to most organisms when converted into a

byproduct of inorganic-organic reaction. Distributed into the environment mostly

as residual particles from industrial processes.

Mitigation— One or all of the following: (1) Avoiding an impact altogether by not

taking a certain action or parts of an action; (2) minimizing impacts by limiting

the degree or magnitude of an action and its implementation; (3) rectifying an

impact by repairing, rehabilitating, or restoring the affected environment; (4)

reducing or eliminating an impact over time by preservation and maintenance

operations during the life of an action; and (5) compensating for an impact by

replacing or providing substitute resources or environments.

Model— A tool used to mathematically represent a process which could be based

upon empirical or mathematical functions. Models can be computer programs,

spreadsheets, or statistical analyses.

Muck lands— Fertile soil containing putrid vegetative matter.

No Action Alternative— The planning process by which the action agency

decides to not carry forth any planned action to alter existing conditions

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Wenger 72944 Especificações Página 347