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GUIDE FOR RATING RANGE TREND <br />Considering the potential for this site. class of livestock, season of use, <br />recreational use. ti re and other influences, rate the following Dy atvtng each <br />Item a rating of 4 to 0. Interpolate between Indicators for ratings 3, 2 and 1. <br />Trend Indicators <br />REDRODUCTION <br />-Najor species of the potential plant community are pro- <br />ducing seedlings, plants are of mixed ages; there is <br />evidence of active tillers, rhizomes, stolons.-------------(~; <br />Major species not reproducing.•----------------------------(0) <br />PLATITS RESIDUE AND CURRENT UTILIZATION <br />Litter produced by major specie-sus abundant for the <br />site and current utilization is moderate.------------------(4) <br />Litter is absent and utilization is severe.----------------(0) <br />COMPDSITION CHANGES <br />Dominant species of the potential plant community are <br />maintaining their place in the stand.----------------------(4) <br />Dominant species are absent or noticeably decreasing in <br />percentage, while minor species and species not native <br />to the cormunity are increasing.---------------------------(O) <br />PLA~~T VIGOP. <br />Major species of the potential plant comrunity ere <br />strong, healthy, prod;,ctive and well rooted.---------------(4) <br />Major species ere showing noticeable die-off.--------------(0) <br />SO1L ~UHFAIE iACTOkS <br />AcceTerate~ soil erosion is not evident. Pest, erosion <br />s'•gr.s ha:e healed. k~ater imtake for the kind of soil <br />Accelerated erosion is obvious. Soil stability is poor <br />as seen by failure of erosion sions to be healing. <br />Water intake for the kind of soil is unfavorable.----------(0) <br />i <br />4 <br />1 <br />0 <br />2 <br />Ratings between li and 20 inclusive Improving Trend <br />- - Total/ <br />Ratings betY~een 0 end 30 inclusive Declining Trend year <br />Total/ <br />3-Year Trend 3 years <br />t. <br />NOTES <br />Area is heavily overgrazed. Ground cover mostly litter from cottonvonds_ <br />woody layer represented by cottonwood,itussian-olive and tamarisk. Tamarisk occurs <br />in dense stringers or clumps Snow on the around makes inventory diffi_r__ulr <br />Cattail occurs in old river channel bend which runs throueh pronnsP~minP_ <br />area. <br />•• P.r.nual Palatable Yield is based on the plant species that~are desirable by <br />tie major ani:ral classes planned for. Each plant species considered desir- <br />ah'e should have a / to the left of the name. <br />