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<br />with a projected point from above to determine the first primary hit <br />(crown) and the basal hit (ground cover) at each 1-foot interval. Either <br />a foliage or a stem hit will be considered a crown hit and basal hits will <br />be recorded as litter, bare ground or rock at each 7-foot interval along <br />the tape. Average height of each shrub species that occurs in the hits <br />will be determined. <br />A composite sample of harvested material from each half-day's work will <br />be taken to the laboratory for determining oven-dry weight. <br />~~t,,U~ <br />In all cases where necessary, data will be subjected to analys~j_~~Yiance <br />for identifying confidence intervals. ~~ccThis -is/~ resume ~omass and <br />cover for grasses and for fortis The anely~s~S~ ~ tables will be <br />presented as follows for each vegetation type, six clusters and eight <br />plots per cluster) . ~ ®~Q <br />o U <br />Source ~~p~.F. M.S. <br />Total ~~ 47 <br />Among clu(~s~ 5 <br />Amor~~i24<t~iduals 42 <br />Clusters will be randomly located by use of a coordinate system of grid <br />lines 0.25 inch apart on an acetate overlay on an aerial photo at 1" to <br />400'. The grid lines or coordinates run both directions and therefore dis- <br />sect each other every fourth inch. Coordinates or grid lines running in <br />one direction, preferably up and down, are termed the "y" coordinates and <br />those running crosswise are termed the "x" coordinates. Clusters will be <br />located to represent equal areas. For example, if 45 samples are determined <br />to be necessary for an adequate sample for a vegetation type and not more <br />than eight samples per cluster is desirable, then six clusters would be <br />located, with each representing one-sixth of the total area in the type in <br />question. <br />