Duquette General Store PIST, Minnesota - MN031 Additional Site Information E.R. Larson G.P. Elliott Reference: Grant P. Elliott and Evan R. Larson. 2009. Disturbance and Successional Dynamics in an Old-Growth White Pine-Mixed Hardwood Forest in the Great Lakes Region of Minnesota. Geographical Bulletin, Vol. 50, No. 1, pp. 17-35, MAy 2009. Notes: These data were collected as part of a study documenting forest dynamics in a small, unlogged stand of white pine outside of Duquette, Minnesota. The trees in this collection were cored following a targeted sampling protocol intentionally seeking the oldest trees in the stand. Keywords: Pinus strobus, white pine, ring width, forest dynamics COFECHA output: Chronology file name : MN031.CRN Measurement file name : MN031.RWL Date checked : 12JUL21 Checked by : B. Bauer Beginning year : 1798 Ending year : 2004 Principal investigators: E.R. Larson G.P. Elliott Site name : Duquette General Store Site location : Minnesota Species information : PIST EASTERN WHITE PINE Latitude : 4622 Longitude : -09233 Elevation : 349M Series intercorrelation: 0.624 Avg mean sensitivity : 0.236 Avg standard deviation : 1.142 Avg autocorrelation : 0.810 Number dated series : 26 Segment length tested : 50 Number problem segments: 8 Pct problem segments : 5.16 PART 5: CORRELATION OF SERIES BY SEGMENTS: Duquette General Store PIST 12:01 Mon 12 Jul 2021 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 1775 1800 1825 1850 1875 1900 1925 1950 1975 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 DGS001A 1798 1999 .38 .40 .33A .44 .72 .80 .71 .61 2 dgs001b 1798 1988 .39 .42 .50 .61 .58 .58 .56 .40 3 DGS002a 1855 2001 .62 .77 .81 .81 .61 .62 4 DGS002b 1861 2001 .84 .79 .75 .75 .63 .65 5 DGS003a 1883 2004 .75 .79 .66 .53 .60 6 DGS003b 1866 2004 .55 .57 .67 .69 .69 .74 7 DGS004a 1886 2004 .60 .71 .71 .61 .66 8 DGS004b 1886 2004 .60 .63 .74 .66 .71 9 DGS005a 1843 2004 .24B .40B .65 .60 .55 .70 .70 10 DGS005b 1868 2004 .63 .74 .69 .62 .75 .75 11 DGS006a 1868 2004 .70 .66 .73 .72 .65 .67 12 DGS006b 1840 2004 .36 .35B .56 .62 .69 .52 .58 13 DGS007a 1832 2003 .62 .75 .83 .83 .85 .85 .86 14 DGS007b 1843 2004 .56 .60 .68 .76 .80 .76 .81 15 DGS008a 1850 2004 .66 .72 .69 .70 .74 .76 16 DGS008b 1875 1999 .84 .77 .74 .80 17 DGS009a 1879 1995 .47 .53 .53 .68 18 DGS009b 1896 1973 .66 .71 .67 19 DGS010a 1879 2004 .78 .82 .68 .44 .52 20 DGS010b 1880 2004 .86 .86 .54 .29B .33B 21 DGS011a 1835 2004 .58 .67 .78 .71 .57 .52 .64 22 DGS011b 1828 2004 .60 .71 .82 .83 .63 .51 .60 23 DGS012a 1844 2004 .44 .43 .64 .31A .18B .51 .61 24 DGS012b 1841 2004 .42 .45 .57 .56 .56 .59 .61 25 DGS013a 1888 2004 .76 .76 .72 .55 .62 26 DGS013b 1852 2004 .49 .36 .40 .73 .62 .66 Av segment correlation .39 .41 .47 .58 .68 .69 .66 .61 .65 PART 7: DESCRIPTIVE STATISTICS: Duquette General Store PIST 12:01 Mon 12 Jul 2021 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 DGS001A 1798 1999 202 8 1 .542 3.10 7.42 1.419 .805 .233 2.71 .438 .044 1 2 dgs001b 1798 1988 191 8 0 .449 2.14 5.96 1.340 .873 .237 2.52 .375 -.023 1 3 DGS002a 1855 2001 147 6 0 .693 2.15 6.84 1.199 .801 .245 2.82 .418 .030 1 4 DGS002b 1861 2001 141 6 0 .732 1.82 5.02 1.009 .835 .258 2.73 .466 .040 1 5 DGS003a 1883 2004 122 5 0 .694 3.14 5.92 1.090 .732 .214 2.45 .379 .014 1 6 DGS003b 1866 2004 139 6 0 .648 3.03 7.03 1.472 .839 .230 2.54 .357 .005 1 7 DGS004a 1886 2004 119 5 0 .691 2.73 9.14 1.812 .917 .204 2.71 .403 .054 1 8 DGS004b 1886 2004 119 5 0 .665 2.84 9.03 1.770 .884 .254 2.50 .373 .025 1 9 DGS005a 1843 2004 162 7 2 .551 1.89 4.80 .938 .806 .236 2.66 .406 .036 1 10 DGS005b 1868 2004 137 6 0 .667 2.27 5.47 1.123 .774 .255 2.69 .478 .011 1 11 DGS006a 1868 2004 137 6 0 .689 2.17 5.45 1.088 .802 .234 2.73 .483 -.020 2 12 DGS006b 1840 2004 165 7 1 .507 1.85 6.92 1.017 .811 .251 2.61 .369 -.050 1 13 DGS007a 1832 2003 172 7 0 .779 2.10 4.54 .837 .733 .233 2.56 .434 -.020 2 14 DGS007b 1843 2004 162 7 0 .689 2.32 5.96 .953 .780 .215 2.73 .504 .003 2 15 DGS008a 1850 2004 155 6 0 .699 2.03 4.92 .995 .854 .217 2.68 .450 -.010 1 16 DGS008b 1875 1999 125 4 0 .795 2.57 5.62 .801 .629 .203 2.84 .529 .149 1 17 DGS009a 1879 1995 117 4 0 .547 3.46 7.62 1.473 .759 .234 2.70 .453 .047 5 18 DGS009b 1896 1973 78 3 0 .637 2.60 6.33 1.112 .772 .232 2.69 .600 .038 1 19 DGS010a 1879 2004 126 5 0 .692 2.01 4.90 1.000 .879 .205 2.44 .320 .002 5 20 DGS010b 1880 2004 125 5 2 .630 2.03 5.55 1.356 .911 .217 2.50 .447 .025 1 21 DGS011a 1835 2004 170 7 0 .628 2.25 5.76 1.061 .797 .245 2.48 .287 .048 1 22 DGS011b 1828 2004 177 7 0 .682 2.01 5.02 .981 .815 .259 2.61 .429 .054 1 23 DGS012a 1844 2004 161 7 2 .446 1.62 4.95 .784 .844 .220 2.71 .440 -.003 2 24 DGS012b 1841 2004 164 7 0 .508 2.10 7.05 1.192 .784 .270 2.61 .301 -.043 4 25 DGS013a 1888 2004 117 5 0 .689 1.93 5.56 1.077 .851 .249 2.78 .391 .020 1 26 DGS013b 1852 2004 153 6 0 .460 2.16 4.91 1.068 .769 .258 2.60 .324 -.032 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3783 155 8 .624 2.30 9.14 1.142 .810 .236 2.84 .413 .015