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Shrub Density Area No. 4 5 <br />Shrub Density Area No. 5 1 5 <br />Shrub Density Area No. 6 1 0 <br />Shrub Density Area No. 7 1 0 <br />Shrub Density Area No. 8 5 <br />Shrub Density Area No. 9 7 <br />Shrub Density Area No. 10 5 <br />Shrub Density Area No. 11 7 <br />Shrub Density Area No. 12 5 <br />Shrub Density Area No. 13 2 5 <br />All shrubs, including seedlings, with root crowns found within the quadrat boundaries were <br />tabulated by species and by life stages as follows: Seedling, Mature, or Dead. <br />Plant Species Frequenc~nd Density Measurements <br />During the course of cover sampling, all plant species occurring within one meter on either side <br />of the cover sample transect were noted as present within each sample. Frequency for each <br />• plant species observed during sampling was calculated by dividing the number of sample <br />transects in which the species was observed by the total number of samples (see cover sample <br />distribution by area above). As such, this value is more probably correctly known as <br />"constancy'. Relative vegetation cover was calculated by dividing the absolute cover of each <br />species by the total vegetation cover and expressing the result as a percent. <br />The total number of species (within each lifeform) observed in each sample provide a measure <br />of 'species density°, indicating relative species richness of different areas. These measures <br />reflect progress toward return of diverse species composition in the reclaimed areas from a <br />different perspective than is available from examination of cover data alone. <br />Plant Species Listing <br />During the course of the field work, a list of all encountered plant species (quantitative plus <br />incidental observations) was compiled for each reclamation area and the two reference areas. <br />Scientific names used follow Weber and Wittman (1992); common names cited may be found in <br />• 5 <br />