Platte Plains, Michigan Pinus strobus - MI015 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 mi015.rwl 25May06 1912 2002 21 32 50 25 56 2 3.57 .485 .265 50.96 1.431 .644 .733 Run PPIST Title: Platte Plains PIST PART 5: CORRELATION OF SERIES BY SEGMENTS: Platte Plains PIST 13:40 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 1900 1925 1950 1975 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 36-1 1920 2002 .55 .59 .55 .50 2 13-3 1912 2002 .52 .59 .41 .41 3 19-3 1937 2002 .48 .59 .57 4 28-1 1933 2002 .47 .44 .41 5 5-1 1937 2002 .57 .69 .68 6 10-4 1928 2002 .36 .57 .55 7 26-3 1929 2002 .69 .58 .59 8 12-4 1962 2002 .54 9 1-4 1950 2002 .60 .62 10 2-1 1936 2002 .61 .60 .60 11 32-3 1916 2002 .45 .59 .57 .58 12 12-1 1958 2002 .45 13 34-2 1943 2002 .41 .54 .50 14 6-4 1987 2002 .57 15 33-1 1917 2002 .35 .35 .40 .44 16 9-2 1916 2002 .32B .27B .54 .52 17 7-2 1973 2002 .38 18 14-4 1973 2002 .41 19 28-3 1922 2002 .47 .51 .53 .54 20 6-2 1928 2002 .36 .51 .49 21 8-1 1984 2002 .48 Av segment correlation .44 .49 .52 .53 PART 7: DESCRIPTIVE STATISTICS: Platte Plains PIST 13:40 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 36-1 1920 2002 83 4 0 .546 1.59 3.09 .434 .525 .207 2.80 .484 .002 1 2 13-3 1912 2002 91 4 0 .461 3.03 6.17 1.252 .809 .193 2.56 .402 .003 1 3 19-3 1937 2002 66 3 0 .446 1.68 3.61 .896 .873 .247 2.86 .454 .045 1 4 28-1 1933 2002 70 3 0 .507 2.57 5.03 .891 .748 .197 2.78 .455 .070 3 5 5-1 1937 2002 66 3 0 .575 1.91 5.26 .987 .842 .258 3.01 .547 .003 1 6 10-4 1928 2002 75 3 0 .513 1.74 3.46 .625 .544 .292 2.73 .461 .102 1 7 26-3 1929 2002 74 3 0 .640 1.28 3.81 .664 .716 .317 2.94 .437 -.059 2 8 12-4 1962 2002 41 1 0 .541 2.16 4.16 .928 .865 .182 2.55 .545 -.062 1 9 1-4 1950 2002 53 2 0 .561 1.55 3.03 .771 .802 .304 2.60 .621 -.097 2 10 2-1 1936 2002 67 3 0 .589 1.04 3.20 .848 .902 .307 2.84 .598 .088 1 11 32-3 1916 2002 87 4 0 .478 1.47 3.94 .734 .734 .296 2.62 .492 .048 4 12 12-1 1958 2002 45 1 0 .446 1.66 3.30 .630 .711 .236 2.70 .511 .057 1 13 34-2 1943 2002 60 3 0 .378 1.21 2.96 .581 .714 .273 2.97 .529 -.009 1 14 6-4 1987 2002 16 1 0 .573 .59 1.68 .436 .705 .457 2.72 .722 .085 3 15 33-1 1917 2002 86 4 0 .383 .77 1.79 .364 .710 .302 2.77 .476 .002 2 16 9-2 1916 2002 87 4 2 .413 .46 1.18 .232 .757 .279 2.77 .547 -.111 1 17 7-2 1973 2002 30 1 0 .378 .76 2.02 .363 .386 .395 2.84 .545 -.025 2 18 14-4 1973 2002 30 1 0 .410 .44 .93 .200 .682 .287 3.31 .833 .049 1 19 28-3 1922 2002 81 4 0 .467 .82 1.86 .400 .781 .246 2.97 .573 .044 1 20 6-2 1928 2002 75 3 0 .411 .85 2.17 .388 .712 .248 2.67 .361 -.052 1 21 8-1 1984 2002 19 1 0 .477 .88 1.47 .336 .718 .247 2.54 .749 -.201 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 1302 56 2 .485 1.43 6.17 .644 .733 .265 3.31 .510 .004