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standard. It should be noted that all big sagebrush encountered were referred <br />to as Serephidium tridentatum. <br />Fifteen shrub density transects were placed in the 1991/1993 reclaimed area. <br />All shrubs, including seedlings, with root crowns found within the quadrat <br />boundaries were tabulated by species and by life stages as follows: Seedling, <br />Mature, or Dead. <br />Llfeforms Used In Data Presentation <br />As a tool to enhance understanding of the collected data, the contents of the <br />cover and summary tables addressing relative coyer and species density, as <br />well as the species presence tables, are organized by lifeform. Lifeform <br />categories indicated growth habit and provide an indication of provenance <br />(place of origin). Lifeform categories used include the following: native annual <br />and biennial forbs, introduced annual and biennial forbs., native annual grasses, <br />introduced annual grasses, native perennial forbs, introduced perennial forbs, <br />native perennial graminoids (includes grasses and grass-like plants), introduced <br />perennial graminoids, shrubs (all of these are native at this site), trees (likewise, <br />all native in the study area), and ferns. <br />Plant Species Frequency and Density Measurements <br />During the course of cover sampling,,~plant species occurring within one . <br />meter on either side of the cover sample transect were noted as present within <br />each sample. Frequency for each plant species observed during sampling was <br />calculated by dividing the number of sample transects in which the species was <br />observed by the total number of samples (see cover sample distribution by <br />area above). As such, this value is probably more correctly known as <br />"constancy". Relative vegetation cover was calculated by dividing the absolute <br />a <br />