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Section 11 Glossary of Terms and Acronyms

EAA Storage Reservoirs Revised Draft PIR and EIS February 2006

11-1

11.0 GLOSSARY OF TERMS AND ACRONYMS

11.1 GLOSSARY OF TERMS

Acre-foot— The quantity of water required to cover 1 acre to a depth of 1 foot.

Equal to 43,560 cubic feet (1,233.5 cubic meters).

Affected environment— Existing biological, physical, social, and economic

conditions of an area subject to change, both directly and indirectly, as a result

of a proposed human action.

Air quality— Measure of the health-related and visual characteristics of the air,

often derived from quantitative measurements of the concentrations of specific

injurious or contaminating substances.

Aquatic— Living or growing in or on the water.

Aquifer— An underground geologic formation in which water can be stored.

Base— The "base case" simulations estimate what the regional hydrologic

conditions would have been during the 1965 – 1995 rainfall sequence if the

facilities, operational policies and water use levels were in place that are most

consistent with those of the 1990 existing conditions or those projected for 2010

conditions. Best Management Practices for the EAA and the Everglades

Construction Project are assumed to be in place for the 2010 simulations. The

comparison of the base case and NSM outputs can also be used as a preliminary

technique for identifying areas where restoration may be needed.

Benthic— Bottom of rivers, lakes, or oceans; organisms that live on the bottom of

water bodies.

Best Management Practice— (BMP) The best available technology or process

that is practical and achieves the desired goal or objective.

Biodiversity— The number of different species inhabiting a specific area or

region.

Biological opinion— Document issued under the authority of the Endangered

Species Act stating the U.S. Fish and Wildlife Service and/or the National

Marine Fisheries Service (NMFS) finding as to whether a Federal action is likely

to jeopardize the continued existence of a threatened or endangered species or

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