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perennial fortis, native perennial graminoids (includes grasses and grass-like plants), <br />introduced perennial graminoids, native shrubs, and trees <br />Plant Species Frequency and Density Measurements <br />During the course of cover sampling, all plant species occurring within one meter on <br />either side of the cover sample transect wilt be noted as present within each sample. <br />Frequency for each plant species observed during sampling will be calculated by <br />dividing the number of sample transects in which the species will be observed by the <br />total number of samples (see cover sample distribution by area above). As such, this <br />value is probably more correctly known as "constancy". <br />The total number of species (within each lifeform) observed in each 100 square meter <br />sample provides a measure of "species density", indicating the relative species richness <br />of different areas. These measures provide a means of examining progress toward the <br />return of diverse species composition in the reclaimed areas. <br />Plant Species Lisfing <br />Scientific names used follow Weber and Wittman (1996), common names cited are <br />found in Beetle (1970), Nickerson et a/. (1976), or Soil Conservation Service (1979). <br />Cross reference to the substantially revised scientific nomenclature for the flora of <br />Eastern Colorado, as set forth by Weber and Wittman (1996), may be determined by <br />reference to Weber and Wittman (1992) or by reference to Appendix 2 of this report <br />(Table 20). <br />During the course of fieldwork, a list of all encountered plant species (quantitative plus <br />incidental observations) will be compiled for each reclamation and reference areas. <br />These lists will be summarized in.Species Present tables for all areas. This list will <br />include current nomenclature and cross-references to older nomenclature. <br />Photographic Record <br />Within each reclamation and reference area, representative color photographs will be <br />taken to document the appearance of the vegetation during the data collection year. <br />Within each photograph, a placard identifies the particular area being illustrated. <br />6/27/04 3 ESCO Associates Inc. <br />