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TABLE 4: Exclosure Analysis Results for 2007 - Exclosure 4 (middle of 3 northern) <br />Populus Populus + Salix <br />number 18 16 16 50 50 <br />mean height (in.) 38.833 52.875 55.25 48.58 48.58 <br />max height (in.) 54 76 98 98 98 <br />min height (in.) 24 14 18 14 14 <br />height SSD** <br />(inches) 9.439 17.959 22.799 18.553 18.553 <br />cover 14.430 12.889 20.263 16.159 16.159 <br />density 1* <br />(plants/acre) 1037 854 867 917 917 <br />density 2* <br />(plants/acre) 3901 1734 1721 2161 2161 <br />Salix <br />number none found none found none found none found <br />2006/2007 <br />changes <br />Populus Populus + Salix <br />number 9 9 13 31 28 <br />mean height (in.) 20.05 18.875 7.583 19.633 18.168 <br />max height (in.) 18 32 30 30 30 <br />min height (in.) 14 -5 -15 4 4 <br />density 1* <br />(plants/acre) 518 480 704 568 513 <br />Salix <br />number -2 -I none in 2006 -3 <br />mean height (in.) -31 -35 -32.33 <br />max height (in.) -32 -35 -35 <br />min height (in.) -30 -35 -30 <br />density l* <br />( lants/acre) -426 -202 -135 <br />* Density 1 is density for total length of transect; Density 2 is density on portion of transec[ occupied by woody species. <br />** SSD is the standard deviation for the sample = [he amount of variation greater than and less than the mean normally <br />expected, based upon [he sample data obtained. <br />Salix includes Salix exigua and Salix amygdaloides combined, but mostly the former as few of the latter were <br />encountered. <br />2007 Annual Report Coal Creek Wetland Mitigation Permit DA 198811488 Page 20 <br />