Wambo Coal AEMR 2010-2011 - Peabody Energy

2.2 Results2.2.1 Overall Floristic Species DiversityA total of 275 flora species were recorded in 2010 (Table 1).Table 2-1:Total Number of Flora Species Recorded Each YearYearNo. of PlotsTotal No. ofSpeciesNo. Native No. Exotics2010 34 275 222 53 (19%)2009 33 249 167 82 (33%)2008 33 261 208 53 (20%)2007 31 292 233 59 (20%)2006 34 260 220 40 (15%)Appendix A (Table 1) shows a summary table of the results of the 2010 flora survey,listing the total number of species and the percentage of introduced species recorded ineach quadrat. Appendix B lists the flora species recorded within each flora monitoringplot and the related Braun-Blanquet rating.The 2010 flora survey results are shown above as part of a comparison of data from the2006, 2007, 2008 and 2009 surveys. Following is a summary of the changes in speciesdiversity and introduced species composition across the quadrats.2.2.2 Species Diversity within Quadrats• In 2010:» The number of species recorded in quadrats ranged between three and 63;» Most quadrats recorded between 20 and 40 species; and» The vegetation community White Mahogany / Rough-barked Apple Forest,represented by a single quadrat, recorded 63 species, 20 species more thanmost other quadrats.• The total number of species recorded has ranged from three to 67 species perquadrat during the five years of sampling (see Appendix A [Table 2 and Figure 1]);• The White Mahogany / Rough-barked Apple Forest vegetation community, recordedthe highest number of species each year, ranging from 46 to 67 species;• The change in the number of species recorded at each quadrat in 2010 ranged from areduction of 14 species to an increase of 10 species;• Since 2006 the change in the number of species recorded per quadrat has rangedbetween a reduction of 25 species and an increase of 30 species (see Appendix A[Table 3]);• The overall average change in the number of species per vegetation community since2006 has ranged from an increase of one species to an increase of 31 species pervegetation community;2010 Annual Ecological Monitoring Report, Draft Report, January 2011 Page 6