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1 SECTION 4:YEAR 3 TREE MONITORING RESULTS <br /> 1 Year 3 (2009) <br /> 1 In Year 3 (2009) ten trees were recorded as dead in Area D (or approximately 20 percent of <br /> 50 planted). Black willows continued to have the highest mortality rate (7 trees recorded as <br /> dead) at this site.Two box elder and one valley oak also died. The average percent <br /> ' survivorship in this planting area in Year 3 (2009)was 80 percent,slightly lower than the <br /> previous monitoring year (2008) survivorship rate of 82 percent. In 2007, this was the only <br /> planting sub area with a percent survivorship lower than the 80 percent threshold.In 2008 <br /> ' and 2009, this site met the 80 percent survivorship goal. However, this site continues to have <br /> the highest mortality rate of all six planting areas(Table 4-1). <br /> 1 The average heath and vigor score recorded in Year 3 (2009)was 1.7,a little more than <br /> halfway between"low" and"medium" ranks. This health and vigor score was the lowest of <br /> all six sub areas. <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> I <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 SACI1667491PANAGON(YEAR3_2009 HOLTTREE_MONITORING_REPORTAOC) 47 <br />