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Items starting with E

Environmental Analysis

An analysis of alternative actions and their predictable long and short-term environmental effects. Environmental analyses include physical, biological, social, and economic factors.

Environmental Impact Statement

A statement of environmental effects of a proposed action andalternatives to it. The EIS is released to other agencies and the public for comment and review.

Environmental Management System (EMS)

The part of the overall management system that includes organizational structure, planning activities, responsibilities, practices, procedures, processes, and resources for developing, implementing, achieving, reviewing, and maintaining the environmental policy of the planning unit (36 CFR 219.16).


Environmental Protection Agency

Ephemeral streams

Streams that flow only as the direct result of rainfall or snowmelt. They have nopermanent flow.


Endangered Species Act

Escape cover

Vegetation of sufficient size and density to hide an animal, or an area used by animals toescape from predators.

Essentially roaded

Areas of National Forest System land where classified and temporary roads now exist.