Platte Plains, Michigan Pinus resinosa - MI017 Additional Site Information Thomas C. Wyse, P. Charles Goebel Purpose of Collection: Forest disturbance history and recruitment patterns. Cores are stored at: Forest Ecosystem Restoration & Ecology School of Natural Resources OARDC The Ohio State University 1680 Madison Avenue Wooster, OH 44691-4096 Description: The site is a sandy lake plain adjacent to Lake Michigan in northwest lower Michigan. These cores were used with others to investigate forest disturbance history and recruitment patterns. All ring width measurements were done with WinDENDRO. Cores were visually cross dated, and the cross dating was verified with COFECHA. COFECHA File_name Date Time_span Series Spline Seg Lag N_Seg Probs Prob% XCorr MnSens C/Var MnMsmt MnStDv MnACorr mi017.rwl 25May06 1862 2002 19 32 50 25 74 12 16.22 .463 .234 49.00 1.796 .896 .771 Run PPIRE Title: Platte Plains PIRE PART 5: CORRELATION OF SERIES BY SEGMENTS: Platte Plains PIRE 13:44 Thu 25 May 2006 Page 5 ----------------------------------------------------------------------------------------------------------------------------------- Correlations of 50-year dated segments, lagged 25 years Flags: A = correlation under .3281 but highest as dated; B = correlation higher at other than dated position Seq Series Time_span 1850 1875 1900 1925 1950 1975 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 13-4 1891 2002 .33B .19B .30A .36 .38 2 27-4 1930 2002 .36 .38 .36 3 2-4 1916 2002 .52 .51 .46 .48 4 50-3 1920 2002 .47 .49 .46 .51 5 40-2 1921 2002 .50 .52 .66 .71 6 39-3 1927 2002 .62 .54 .54 7 47-2 1925 2002 .33 .55 .59 8 42-3 1931 2002 .65 .61 .67 9 48-1 1925 2002 .33A .39 .41 10 34-1 1923 2002 .54 .57 .44 .43 11 16-3 1926 2002 .48 .46 .48 12 41-1 1931 2002 .53 .44 .43 13 48-3 1924 2002 .52 .55 .65 .66 14 54-2 1928 2002 .37 .28B .35 15 41-3 1862 2002 .36 .30B .30A .29A .45 .51 16 18-3 1923 2002 .44 .49 .47 .46 17 15-3 1867 2002 .27A .19B .42 .51 .54 .55 18 40-1 1921 2002 .34 .39 .50 .53 19 32-1 1898 2002 .26A .28A .45 .54 .56 Av segment correlation .31 .27 .41 .46 .48 .50 PART 7: DESCRIPTIVE STATISTICS: Platte Plains PIRE 13:44 Thu 25 May 2006 Page 8 ----------------------------------------------------------------------------------------------------------------------------------- Corr //-------- Unfiltered --------\\ //---- Filtered -----\\ No. No. No. with Mean Max Std Auto Mean Max Std Auto AR Seq Series Interval Years Segmt Flags Master msmt msmt dev corr sens value dev corr () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 1 13-4 1891 2002 112 5 3 .373 .98 3.47 .803 .930 .222 2.71 .521 -.015 1 2 27-4 1930 2002 73 3 0 .396 1.09 2.75 .432 .639 .220 2.72 .415 -.067 1 3 2-4 1916 2002 87 4 0 .515 2.07 5.71 1.108 .875 .203 2.78 .458 .011 1 4 50-3 1920 2002 83 4 0 .520 1.31 2.98 .659 .847 .225 2.54 .506 -.026 1 5 40-2 1921 2002 82 4 0 .571 1.97 4.61 1.107 .878 .234 2.64 .554 -.008 1 6 39-3 1927 2002 76 3 0 .591 2.33 4.36 .938 .735 .212 2.63 .542 -.029 2 7 47-2 1925 2002 78 3 0 .421 1.51 3.16 .544 .614 .223 2.98 .556 .001 1 8 42-3 1931 2002 72 3 0 .671 1.84 3.76 .755 .729 .237 2.59 .465 -.039 1 9 48-1 1925 2002 78 3 1 .375 2.17 5.24 1.117 .777 .250 2.64 .464 -.027 1 10 34-1 1923 2002 80 4 0 .527 1.57 3.88 .567 .585 .223 2.69 .428 -.045 1 11 16-3 1926 2002 77 3 0 .504 1.84 4.02 .750 .697 .250 2.64 .516 -.003 1 12 41-1 1931 2002 72 3 0 .507 2.28 3.92 .721 .538 .258 2.43 .427 -.012 1 13 48-3 1924 2002 79 4 0 .539 2.61 6.36 1.650 .908 .211 2.62 .522 .021 1 14 54-2 1928 2002 75 3 1 .426 2.47 5.33 1.046 .795 .217 2.79 .481 -.017 2 15 41-3 1862 2002 141 6 3 .384 1.53 5.29 .992 .826 .279 2.95 .599 .012 1 16 18-3 1923 2002 80 4 0 .488 2.22 5.59 1.071 .743 .244 2.72 .507 .009 1 17 15-3 1867 2002 136 6 2 .377 1.38 3.54 .839 .818 .269 2.70 .402 .014 1 18 40-1 1921 2002 82 4 0 .420 2.47 6.18 1.467 .868 .216 2.64 .423 -.028 1 19 32-1 1898 2002 105 5 2 .382 1.47 2.58 .493 .683 .216 2.70 .482 -.048 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 1668 74 12 .463 1.80 6.36 .896 .771 .234 2.98 .490 -.014