Dukes Research Natural Area, Michigan - MI023 Additional Site Information Alex Dye Reference: Dye, Alex W. and Woods, Kerry. 2019. Growth and Climate Response of Four New Tsuga canadensis (L.) Carriere (Eastern Hemlock) Tree-Ring Chronologies from Michigan's Upper Peninsula. The Great Lakes Botanist, Vol. 58, issue 3-4. COFECHA output: Chronology file name : MI023.CRN Measurement file name : MI023.RWL Date checked : 17APR20 Checked by : B. Bauer Beginning year : 1693 Ending year : 2015 Principal investigators: Alex Dye Site name : Dukes Research Natural Area Site location : Michigan Species information : TSCA EASTERN HEMLOCK Latitude : 4622 Longitude : -08709 Elevation : 350M Series intercorrelation: 0.703 Avg mean sensitivity : 0.257 Avg standard deviation : 0.365 Avg autocorrelation : 0.712 Number dated series : 39 Segment length tested : 50 Number problem segments: 10 Pct problem segments : 3.21 PART 5: CORRELATION OF SERIES BY SEGMENTS: Dukes Research Natural Area 16:03 Fri 17 Apr 2020 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 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 DUK1060E 1860 2015 .36B .79 .81 .84 .82 .79 2 DUK1060W 1790 2015 .72 .76 .83 .80 .81 .87 .84 .79 .62 3 DUK1064S 1795 2015 .63 .66 .57 .51 .73 .80 .78 .84 .84 4 DUK1092S 1732 2015 .86 .77 .62 .67 .82 .76 .78 .89 .87 .86 .83 5 DUK1092W 1693 2015 .63 .69 .86 .75 .49 .63 .87 .87 .90 .89 .85 .82 .80 6 DUK1095S 1714 2015 .78 .76 .49 .24B .45 .77 .81 .81 .78 .76 .81 .77 7 DUK1095N 1730 2015 .54 .49 .29A .40 .67 .71 .69 .80 .75 .74 .74 8 DUK1098S 1778 2014 .55 .59 .79 .77 .65 .69 .76 .75 .66 9 DUK1113E 1873 2015 .57 .63 .17B .24B .78 .76 10 DUK1113W 1867 2015 .24A .36 .34B .50 .78 .78 11 DUK1124N 1889 2015 .57 .60 .52 .54 .59 12 DUK1124S 1851 2015 .79 .70 .68 .63 .68 .74 13 DUK1142N 1789 2015 .67 .78 .75 .75 .86 .77 .78 .81 .80 14 DUK2009E 1828 2015 .84 .79 .71 .77 .77 .71 .66 15 DUK2015W 1864 2015 .30B .47 .71 .78 .72 .72 16 DUK2019N 1845 2015 .70 .69 .71 .71 .77 .87 .78 17 DUK2019S 1694 2015 .62 .66 .80 .65 .49 .52 .70 .83 .82 .85 .85 .82 .80 18 DUK2075E 1849 2015 .50 .50 .65 .73 .71 .74 .63 19 DUK2097S 1704 2015 .65 .74 .66 .46 .63 .82 .83 .79 .86 .84 .85 .82 20 DUK2110E 1844 2015 .76 .76 .72 .78 .87 .75 .74 21 DUK2110W 1850 2015 .78 .83 .86 .90 .75 .65 22 DUK2111N 1866 2015 .26B .49 .71 .69 .72 .70 23 DUK3015S 1741 2015 .35 .34 .36 .75 .61 .54 .73 .77 .77 .79 .74 24 DUK4001E 1787 2015 .42 .68 .70 .69 .83 .87 .89 .90 .87 25 DUK4001W 1864 2015 .74 .85 .82 .66 .69 .74 26 DUK4003N 1805 2015 .48 .83 .81 .74 .79 .83 .76 .67 27 DUK4006W 1841 2015 .69 .74 .75 .82 .83 .77 .75 28 DUK4006E 1834 2015 .83 .79 .68 .75 .76 .73 .72 29 DUK4007W 1888 2015 .75 .86 .85 .88 .81 30 DUK4007S 1786 2015 .55 .65 .84 .85 .86 .82 .78 .84 .77 31 DUK4008E 1760 2015 .31A .49 .70 .84 .86 .75 .71 .69 .68 .62 32 DUK4009N 1701 1873 .68 .69 .64 .62 .74 .78 33 DUK4009B 1893 2015 .89 .85 .80 .72 .67 34 DUK4010E 1724 2015 .82 .82 .76 .69 .80 .79 .76 .84 .85 .81 .74 .65 35 DUK4010S 1708 1904 .80 .86 .81 .72 .77 .90 .74 .64 36 DUK4010B 1936 2015 .76 .82 .81 37 DUK4011N 1904 2015 .40 .83 .83 .72 38 DUK4011E 1782 2015 .57 .71 .76 .65 .67 .71 .75 .75 .66 39 DUK4012N 1753 2015 .70 .42 .36 .72 .87 .85 .79 .71 .63 .56 Av segment correlation .63 .73 .73 .61 .53 .64 .76 .69 .73 .75 .76 .77 .73 PART 7: DESCRIPTIVE STATISTICS: Dukes Research Natural Area 16:03 Fri 17 Apr 2020 Page 9 ----------------------------------------------------------------------------------------------------------------------------------- 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 DUK1060E 1860 2015 156 6 1 .688 .60 1.94 .316 .762 .266 2.63 .418 -.043 1 2 DUK1060W 1790 2015 226 9 0 .761 .80 1.89 .272 .680 .209 2.63 .373 -.023 2 3 DUK1064S 1795 2015 221 9 0 .712 .38 1.19 .175 .734 .258 2.56 .415 -.023 1 4 DUK1092S 1732 2015 284 11 0 .793 .68 1.41 .251 .681 .243 2.51 .345 -.023 1 5 DUK1092W 1693 2015 323 13 0 .757 .68 3.29 .402 .894 .220 2.50 .344 -.049 1 6 DUK1095S 1714 2015 302 12 1 .690 .62 1.68 .271 .711 .248 2.53 .313 -.039 1 7 DUK1095N 1730 2015 286 11 1 .625 .58 1.44 .200 .565 .233 2.63 .335 -.066 1 8 DUK1098S 1778 2014 237 9 0 .682 .83 1.86 .346 .730 .233 2.52 .369 .010 1 9 DUK1113E 1873 2015 143 6 2 .530 1.03 3.19 .646 .835 .320 2.73 .399 -.053 1 10 DUK1113W 1867 2015 149 6 2 .458 .87 1.99 .427 .756 .280 2.63 .313 -.026 1 11 DUK1124N 1889 2015 127 5 0 .571 .91 2.07 .364 .716 .240 2.66 .416 -.019 1 12 DUK1124S 1851 2015 165 6 0 .712 .83 1.88 .289 .552 .259 2.82 .392 -.034 1 13 DUK1142N 1789 2015 227 9 0 .753 .70 2.14 .337 .810 .230 2.62 .451 -.042 1 14 DUK2009E 1828 2015 188 7 0 .745 1.39 3.17 .652 .758 .239 2.51 .349 -.037 1 15 DUK2015W 1864 2015 152 6 1 .589 1.02 2.13 .338 .463 .272 2.58 .339 .008 1 16 DUK2019N 1845 2015 171 7 0 .754 1.07 2.34 .483 .622 .307 2.66 .406 -.037 1 17 DUK2019S 1694 2015 322 13 0 .735 .60 2.35 .355 .845 .271 2.60 .376 -.030 3 18 DUK2075E 1849 2015 167 7 0 .647 .93 2.12 .379 .675 .288 2.48 .400 .006 2 19 DUK2097S 1704 2015 312 12 0 .761 .53 3.86 .497 .917 .286 2.54 .323 -.014 3 20 DUK2110E 1844 2015 172 7 0 .755 .94 1.82 .324 .535 .280 2.50 .343 -.035 2 21 DUK2110W 1850 2015 166 6 0 .770 1.09 2.03 .307 .292 .276 2.48 .316 -.030 1 22 DUK2111N 1866 2015 150 6 1 .543 1.11 1.93 .352 .486 .255 2.51 .450 -.026 1 23 DUK3015S 1741 2015 275 11 0 .592 .71 2.24 .424 .834 .290 2.51 .296 -.051 1 24 DUK4001E 1787 2015 229 9 0 .736 .71 2.35 .343 .726 .264 2.80 .380 -.080 1 25 DUK4001W 1864 2015 152 6 0 .730 .62 2.39 .313 .725 .282 2.65 .431 -.052 1 26 DUK4003N 1805 2015 211 8 0 .716 1.13 2.35 .410 .606 .268 2.45 .349 -.027 1 27 DUK4006W 1841 2015 175 7 0 .758 .52 1.62 .264 .780 .269 2.47 .315 -.056 1 28 DUK4006E 1834 2015 182 7 0 .762 .47 1.24 .192 .583 .296 2.66 .394 -.048 3 29 DUK4007W 1888 2015 128 5 0 .774 1.76 2.97 .497 .387 .250 2.53 .331 -.032 1 30 DUK4007S 1786 2015 230 9 0 .778 .93 2.38 .420 .722 .270 2.56 .434 -.028 2 31 DUK4008E 1760 2015 256 10 1 .676 1.02 2.51 .489 .760 .266 2.57 .289 -.022 4 32 DUK4009N 1701 1873 173 6 0 .693 .67 1.81 .393 .887 .226 2.59 .361 -.042 1 33 DUK4009B 1893 2015 123 5 0 .763 1.00 2.79 .491 .763 .260 2.40 .315 -.008 3 34 DUK4010E 1724 2015 292 12 0 .773 .80 2.12 .350 .723 .243 2.70 .448 -.025 1 35 DUK4010S 1708 1904 197 8 0 .732 .69 1.63 .282 .727 .247 2.69 .473 -.014 1 36 DUK4010B 1936 2015 80 3 0 .818 1.10 3.09 .411 .524 .248 2.67 .478 -.077 1 37 DUK4011N 1904 2015 112 4 0 .619 .73 1.54 .324 .773 .227 2.54 .486 -.073 1 38 DUK4011E 1782 2015 234 9 0 .670 1.10 2.38 .456 .823 .208 2.53 .406 -.042 1 39 DUK4012N 1753 2015 263 10 0 .626 .88 2.55 .384 .733 .251 2.54 .372 -.011 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 7958 312 10 .703 .81 3.86 .365 .712 .257 2.82 .373 -.033