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<br />001792 <br /> <br />2521.1 <br /> <br />e <br /> <br />TITLE 2500 - WATERSHED MANAGEMENT <br /> <br />2521.05 - Definitions <br /> <br />e <br /> <br />1. Watershed Condition. A description of the health <br />of a watershed or portion thereof in terms of the factors <br />which affect hydrologic function and soil productivity. <br /> <br />2. Hydrologic Function. The behavioral characteris- <br />tics of a watershed described in terms of ability to <br />sustain favorable conditions of water flow. Favorable <br />conditions of water flow are defined in terms of water <br />quality, quantity, and timing. <br /> <br />3. Soil productivity. The inherent capacity of a soil <br />for supporting growth of specified plants, plant communi- <br />ties, or sequence of plant communities. <br /> <br />4. Potential. The inherent capability of a watershed, <br />or portion thereof, to produce biomass and function hydro- <br />logically as determined by physical, chemical, and bio- <br />logical factors. <br /> <br />e <br /> <br />5. Tolerance. The point beyond which there is high <br />risk that potential may be permanently impaired through <br />changes in specified physical, chemical, and biological <br />factors brought about by management activities or natural <br />even ts. <br /> <br />, <br /> <br />6. Watershed Condition Class. The condition of a <br />watershed relative to its potential and tolerance (FSM <br />2521.2). <br /> <br />2521.1 - Watershed Condition Classes. Measure watershed <br />condition by acres and group into one of the following <br />three classes: <br /> <br />e <br /> <br />1. Class I Condition. Watershed condition is at or <br />above potentlal. <br /> <br />2. Class II Condition. Watershed condition is below <br />potential but can be improved by applied management or <br />improvement measures. <br /> <br />3. Class III Condition. Watershed condition is at or <br />below tolerance. <br /> <br />e <br /> <br />*-FSM 3/86 AMEND 48-* <br />