Agashashok Forest, Alaska - AK149 Additional Site Information Patrick Sullivan Purpose of Collection: Ecology Cores are stored at: Sullivan Laboratory, University of Alaska Anchorage Notes: Reference: Sullivan, P.F., S.B.Z. Ellison, R.W. McNown, A.H. Brownlee, and B.Sveinbjornsson. 2015. Evidence of soil nutrient availability as the proximate constraint on growth of treeline trees in northwest Alaska. Ecology, DOI: 10.1890/14-0626.1 COFECHA output: Chronology file name : AK149.CRN Measurement file name : AK149.RWL Date checked : 05FEB15 Checked by : B. Bauer Beginning year : 1814 Ending year : 2012 Principal investigators: Patrick Sullivan Site name : Agashashok Forest Site location : Alaska Species information : PCGL WHITE SPRUCE Latitude : 6729 Longitude : -16213 Elevation : 120M Series intercorrelation: 0.591 Avg mean sensitivity : 0.242 Avg standard deviation : 0.212 Avg autocorrelation : 0.730 Number dated series : 25 Segment length tested : 50 Number problem segments: 12 Pct problem segments : 7.84 PART 5: CORRELATION OF SERIES BY SEGMENTS: Agashashok Forest 17:15 Thu 05 Feb 2015 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 1800 1825 1850 1875 1900 1925 1950 1975 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 AGGFOR1 1891 2012 .48 .49 .63 .57 .61 2 AGGFOR2 1846 2012 .48 .52 .70 .69 .53 .60 .65 3 AGGFOR3 1814 2012 .20A .22B .32A .54 .70 .73 .60 .52 4 AGGFOR4 1873 2012 .46 .44 .52 .44 .60 .73 5 AGGFOR5 1855 2012 .60 .68 .75 .69 .62 .71 6 AGGFOR6 1828 2012 .33 .56 .66 .67 .65 .67 .66 7 AGGFOR7 1858 2012 .57 .54 .44 .43 .63 .54 8 AGGFOR8 1917 2012 .77 .71 .70 .72 9 AGGFOR9 1852 2012 .61 .72 .50 .48 .67 .67 10 AGGFOR10 1866 2012 .59 .58 .62 .58 .61 .53 11 AGGFOR11 1873 2012 .11B .19B .63 .74 .66 .71 12 AGGFOR12 1845 2012 .44 .48 .60 .69 .73 .81 .84 13 AGGFOR13 1821 2012 .06B-.03B-.12B .55 .63 .60 .66 .74 14 AGGFOR14 1890 2012 .39 .46 .55 .65 .72 15 AGGFOR15 1860 2012 .45 .56 .62 .73 .75 .75 16 AGGFOR16 1879 2012 .50 .38 .46 .53 .51 17 AGGFOR17 1872 2012 .51 .60 .62 .60 .75 .83 18 AGGFOR18 1838 2012 .19B .56 .75 .78 .72 .64 .68 19 AGGFOR19 1860 2012 .46 .44 .56 .63 .62 .70 20 AGGFOR20 1849 2012 .62 .53 .37 .32A .50 .59 .56 21 AGGFOR21 1830 2012 .68 .76 .78 .81 .65 .44 .55 22 AGGFOR22 1851 2012 .44 .62 .61 .55 .68 .79 23 AGGFOR23 1869 2012 .56 .57 .61 .66 .78 .83 24 AGGFOR24 1902 2012 .66 .77 .72 .74 25 AGGFOR25 1863 2012 .31A .32A .44 .38 .54 .65 Av segment correlation .13 .37 .47 .55 .60 .61 .64 .68 PART 7: DESCRIPTIVE STATISTICS: Agashashok Forest 17:15 Thu 05 Feb 2015 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 AGGFOR1 1891 2012 122 5 0 .572 .46 1.50 .249 .734 .200 2.60 .351 -.059 1 2 AGGFOR2 1846 2012 167 7 0 .585 .36 1.31 .212 .745 .320 2.59 .374 -.081 1 3 AGGFOR3 1814 2012 199 8 3 .473 .34 .87 .177 .844 .246 2.74 .483 .052 1 4 AGGFOR4 1873 2012 140 6 0 .563 .47 1.36 .247 .799 .233 2.76 .449 -.012 1 5 AGGFOR5 1855 2012 158 6 0 .684 .41 .91 .141 .533 .258 2.81 .435 .046 1 6 AGGFOR6 1828 2012 185 7 0 .602 .31 .77 .152 .774 .224 2.53 .358 -.042 1 7 AGGFOR7 1858 2012 155 6 0 .536 .42 .80 .147 .660 .237 2.55 .395 .032 1 8 AGGFOR8 1917 2012 96 4 0 .743 .56 1.48 .232 .705 .213 2.87 .554 .033 1 9 AGGFOR9 1852 2012 161 6 0 .622 .35 .98 .177 .670 .294 2.80 .405 .002 1 10 AGGFOR10 1866 2012 147 6 0 .579 .33 1.23 .187 .819 .250 2.70 .455 -.004 1 11 AGGFOR11 1873 2012 140 6 2 .558 .82 1.75 .373 .801 .228 2.65 .467 -.014 1 12 AGGFOR12 1845 2012 168 7 0 .680 .48 1.33 .232 .740 .263 2.71 .394 .026 1 13 AGGFOR13 1821 2012 192 8 3 .429 .33 1.06 .157 .652 .253 2.78 .382 .015 1 14 AGGFOR14 1890 2012 123 5 0 .540 .59 1.75 .358 .845 .218 2.68 .566 -.041 1 15 AGGFOR15 1860 2012 153 6 0 .625 .50 1.64 .336 .860 .242 2.74 .336 -.017 1 16 AGGFOR16 1879 2012 134 5 0 .520 .39 1.12 .213 .841 .242 2.69 .486 .026 1 17 AGGFOR17 1872 2012 141 6 0 .701 .62 1.79 .353 .869 .202 2.86 .577 -.040 1 18 AGGFOR18 1838 2012 175 7 1 .634 .54 1.45 .263 .728 .265 2.71 .409 .015 2 19 AGGFOR19 1860 2012 153 6 0 .598 .47 1.18 .176 .631 .233 2.67 .377 .009 1 20 AGGFOR20 1849 2012 164 7 1 .486 .36 1.10 .159 .607 .264 3.07 .484 .005 1 21 AGGFOR21 1830 2012 183 7 0 .646 .47 .96 .176 .730 .223 2.51 .310 .021 1 22 AGGFOR22 1851 2012 162 6 0 .636 .45 .94 .138 .533 .235 2.71 .480 -.065 1 23 AGGFOR23 1869 2012 144 6 0 .691 .41 1.03 .185 .773 .215 2.87 .421 -.032 1 24 AGGFOR24 1902 2012 111 4 0 .685 .52 .91 .147 .531 .224 2.58 .435 .026 1 25 AGGFOR25 1863 2012 150 6 2 .503 .41 1.09 .210 .834 .213 2.70 .353 -.017 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3823 153 12 .591 .45 1.79 .212 .730 .242 3.07 .425 -.004