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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 •nd other influences. rate the following by giving each <br />item a rating of 4 to 0. Interpolate between indicators for ratings 3, 2 and 1. <br />Trend Indicators <br />REPRODUCTION <br />~Najor species of the potential plent cormiunlty are pro- <br />ducing seedlings, plents are of mixed ages; there is <br />evidence of active tillers, rhizomes, stolons.-------------(A) <br />Major species not reproducing.-----------------------------(O) <br />PLA'1TS RESIDUE AND CURRENT UTIL]_ZATJON <br />Litter produced by major species~s abundant for the <br />site and current utilization is moderate.------------------(A) <br />litter is absent and utilization is severe.----------------(0) <br />COMPOS1T10N CHAtiGES <br />Dominant species of the potential plant cormunity 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 corrnunity are increasing.---------------------------(0) <br />1 <br />4 <br />1 <br />PLA'+T VIGOE <br />Kajor species of the potential plant compunity are <br />strong, healtny, Prod:ctive and well rooted.---------------(4} <br />Major species are showing noticeable die-off.--------------(0) <br />SCIt SURFACE ~ACTOKS <br />Acc~eratec+ soil erosion is not evident. Past erosion <br />sig^s ha:e healed. 1.'ater intake for the kind of soil <br />is favorable.----------------------------------------------(4) <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 />0 <br />2 <br />Ratinos between li and 20 inclusive ~ Improving Trend <br />- Total/ <br />Ratings betv:een 0 end 10 inclusive ~ DeclininS Trend year <br />Total/ <br />3-Year Trend 3 years <br />NOTES <br />Area is heavily overgrazed. Ground cover mostly litter frnm rnrrnnvnndc_ <br />Woody layer_represented by cottonwood,itusaian-olive, and tamarisk. Tamarisk occurs <br />in dense strinee rs or clumps. Snow on the around makes _inven orv d; ff;rnlr_ <br />area. <br />•• 4.cnual Palatable Yield is based on the plant species that are desirable by <br />tie major ani:cal classes planned for. Each plant species considered desir- <br />ahle should have a / to the left of the name. <br />