Environmental conservation

Environmental conservation

Terms related to protecting natural resources including plant and animal species as well as their habitat for the future.

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Environmental conservation

root zone

Environment; Environmental conservation

The zone from the land surface to the depth penetrated by plant roots. The root zone may contain part or all of the unsaturated zone, depending upon the depth of the roots and the thickness of the ...

runoff

Environment; Environmental conservation

The total amount of water flowing in a stream. It includes overland flow, return flow, interflow, and baseflow.

rural water use

Environment; Environmental conservation

Term used in previous water use circulars to describe water used in suburban or farm areas for domestic and livestock needs. The water generally is self supplied, and includes domestic use, drinking ...

safe yield

Environment; Environmental conservation

The amount of naturally occurring ground-water that can be economically and legally withdrawn from an aquifer on a sustained basis without impairing the.

saline water

Environment; Environmental conservation

Water containing more than 1,000 parts per million (ppm) of dissolved solids of any type. Compare fresh water. 淡水

saline-water encroachment

Environment; Environmental conservation

The movement, as a result of human activity, of saline ground water into an aquifer formerly occupied by fresh water. Passive saline-water encroachment occurs at a slow rate owing to a general ...