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Table 9. Percentage of time (95% confidence interval) whooping crane groups engaged in <br />diurnal activities by season and for both seasons combined. <br />Season n Defensive Feeding Resting Alert Courtship Preening <br />Spring 34 2(0,5) 73 (63, 82) 15(5,24) 7(2,11) 1(0,2) 3(1,5) <br />Fall 14 0(0,0) 69 (62, 76) 9(5, 14) 11 (3, 19) 0(0, 1) 10(5, 15) <br />Total 48 2(0,4) 72 (65, 79) 13(6,20) 8(4,12) 1(0,1) 5(3,7) <br />Table 10. Study area, channel, and upland means and 95% confidence intervals for the land cover variables. <br />Distance variab les were measured in meters. There were 58 use sites in the we tted channel and 14 use <br />sites in the u land obtained throu h the s stematic aerial fli hts. <br /> Study area Channel Upland <br />Variable Mean Lower U er Mean Lower U er Mean Lower U er <br />agdist 191.86 188.91 194.82 558.36 464.61 652.11 139.51 47.39 231.63 <br />dedist 1019.91 1007.20 1032.62 1059.20 859.95 1258.45 1014.29 619.71 1408.88 <br />grdist 422.98 417.68 428.27 536.99 417.87 656.11 406.69 242.03 571.35 <br />owdist 610.97 604.32 617.62 557.82 409.58 706.06 618.56 411.92 825.21 <br />sfdist 281.17 276.82 285.51 99.16 73.18 125.15 307.17 172.45 441.88 <br />trdist 644.26 637.76 650.76 979.84 802.50 1157.17 596.32 393.80 798.84 <br />wcdist 447.42 440.44 454.41 0.00 0.00 0.00 511.34 294.84 727.83 <br />wgdist 277.00 272.75 281.25 199.91 163.71 236.11 288.01 156.25 419.77 <br />wvdist 559.07 551.89 566.24 248.21 204.50 291.92 603.47 380.97 825.98 <br />P AG 25 85.60 84.21 86.98 15.80 8.60 23.00 95.57 52.67 138.47 <br />P DE 25 0.32 0.31 0.33 0.29 0.18 0.40 0.32 -0.03 0.67 <br />P GR 25 24.60 2430 24.90 14.48 10.73 18.24 26.05 16.65 35.44 <br />P OW 25 0.31 0.31 0.31 1.72 1.24 2.20 0.11 0.04 0.18 <br />P SF 25 17.34 17.17 17.50 48.41 40.10 56.73 12.90 7.67 18.12 <br />P TR 25 1.18 1.15 1.20 0.44 0.17 0.71 1.28 0.52 2.04 <br />P WC 25 23.63 23.42 23.85 58.17 47.70 68.63 18.70 11.92 25.48 <br />P WG 25 26.39 26.09 26.70 19.55 15.43 23.67 27.37 17.88 36.86 <br />P WV 25 1.79 1.76 1.82 5.07 3.88 6.25 1.33 0.36 2.29 <br />25