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APPENDIX A:RESULTS OF YEAR 5 TREE MONITORING <br /> APPENDIX A <br /> Results of Year 5(2011)Tree Monitoring-Holt Phytoremediation Site <br /> Average Number Percent <br /> Species Vigor Number of Dead Dead Percent <br /> Area Acronym Common Name Scientific Name Scoreax of Trees Trees Trees' Survivorship <br /> Area C POFR Fremont cottonwood Populus fremontii ssp. fremontii 1.8 8 2 <br /> SAGO black willow Salix gooddingii 2.0 7 <br /> Total 1.9 15 2 13% 87% <br /> Area ACNE box elder Acer negundovar. califomicum 1.5 10 3 <br /> POFR Fremont cottonwood Populus fremontii ssp. fremontii 2.1 14 1 <br /> QULO valley oak Quercus lobata 2.1 12 2 <br /> SAGO black willow Salix gooddingii 1.1 14 6 <br /> Total 1.7 50 12 24% 76% <br /> TOTAL NUMBER OF TREES(ALL SITES) 239 21 <br /> AVERAGE PERCENT TREE SURVIVORSHIP(ALL SITES) 91°x^ <br /> AVERAGE VIGOR SCORE (ALL SITES) 2.1 <br /> Slight numerical discrepancies in averaged scores are due to rounding. <br /> "Some trees in Area A and Addition to Area A previously presumed dead in Year 3 resprouted from rootstock in Year 4(2010) <br /> `Vigor Ranks: High(3)tree has 67 to 100 percent healthy foliage;Medium(2)tree has 34 to 66 percent healthy foliage;Low(1)tree has 0 to 33 percent healthy foliage <br /> A-2 SACI4203071113550003(YEARS2011HOLTTREE_MONITORING_REPORT-DRAFTDOCX) <br />