George LaRoi Forest Plot PPTR, Canada - CANA561 Additional Site Information Joseph Birch NOTES: Chronologies of four co-occurring tree species within a long-term forest plot at the southern ecotone of the Canadian boreal forest. The naming format for each species' cores is as follows: Picea glauca (GLP01A), Betula papyrifera (GLB01A), Pinus banksiana (GLJ01A), Populus tremuloides (GLA01A). Keywords: ecotone,gymnosperm,angiosperm Reference: Joseph D. Birch, James A. Lutz, E. H. Hogg, Suzanne W. Simard, Rick Pelletier, George H. LaRoi, Justine Karst. 2019. Decline of an ecotone forest: 50 years of demography in the southern boreal forest. Ecosphere, Vol. 10, Issue 4. DOI: 10.1002/ecs2.2698 Funding Sources: Alberta Conservation Association, NSERC COFECHA output: Chronology file name : CANA561.CRN Measurement file name : CANA561.RWL Date checked : 15MAY19 Checked by : B. Bauer Beginning year : 1931 Ending year : 2017 Principal investigators: Joseph Birch Site name : George LaRoi Forest Plot Site location : Canada Species information : PPTR QUAKING ASPEN Latitude : 5324 Longitude : -11345 Elevation : 712M Series intercorrelation: 0.639 Avg mean sensitivity : 0.421 Avg standard deviation : 0.896 Avg autocorrelation : 0.762 Number dated series : 27 Segment length tested : 50 Number problem segments: 0 Pct problem segments : 0.00 PART 5: CORRELATION OF SERIES BY SEGMENTS: GLR PPTR 16:03 Wed 15 May 2019 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 1925 1950 1975 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 GLA01A 1950 2017 .71 .69 2 GLA01B 1935 2017 .72 .67 .66 3 GLA02A 1931 2017 .50 .63 .55 4 GLA02B 1934 2017 .47 .73 .62 5 GLA03A 1956 2017 .83 .80 6 GLA04A 1960 2017 .53 .51 7 GLA05A 1946 2017 .64 .69 .58 8 GLA05B 1932 2017 .65 .75 .79 9 GLA06A 1934 2017 .81 .78 .73 10 GLA07A 1940 2017 .82 .76 .75 11 GLA08A 1932 2017 .77 .72 .69 12 GLA09B 1953 2017 .54 .49 13 GLA09A 1953 2017 .63 .58 14 GLA12A 1936 2017 .75 .68 .35 15 GLA13A 1936 2016 .77 .72 .62 16 GLA14A 1935 2017 .67 .71 .68 17 GLA15A 1939 2017 .64 .64 .48 18 GLA15B 1935 2017 .65 .62 .67 19 GLA16A 1950 2017 .55 .63 20 GLA16B 1956 2016 .73 .72 21 GLA17A 1952 2017 .78 .82 22 GLA18A 1939 2017 .71 .60 .52 23 GLA18B 1950 2017 .70 .71 24 GLA19A 1937 1996 .72 .78 25 GLA20A 1938 2017 .75 .77 .74 26 GLA11A 1937 2016 .53 .66 .48 27 GLA10A 1947 2017 .67 .69 .58 Av segment correlation .68 .69 .63 PART 7: DESCRIPTIVE STATISTICS: GLR PPTR 16:03 Wed 15 May 2019 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 GLA01A 1950 2017 68 2 0 .698 1.15 3.37 .696 .601 .413 2.76 .688 .134 3 2 GLA01B 1935 2017 83 3 0 .678 .91 2.71 .761 .822 .345 2.70 .606 -.105 1 3 GLA02A 1931 2017 87 3 0 .502 1.67 5.92 1.533 .905 .355 2.63 .452 -.047 1 4 GLA02B 1934 2017 84 3 0 .501 1.45 4.89 1.231 .900 .335 2.59 .457 .039 1 5 GLA03A 1956 2017 62 2 0 .819 1.13 3.23 .706 .766 .386 2.86 .541 .059 1 6 GLA04A 1960 2017 58 2 0 .568 1.35 3.30 .880 .773 .495 2.90 .643 .064 3 7 GLA05A 1946 2017 72 3 0 .579 1.08 2.86 .671 .792 .393 2.43 .398 -.013 1 8 GLA05B 1932 2017 86 3 0 .684 1.47 3.07 .758 .574 .409 2.71 .602 -.031 1 9 GLA06A 1934 2017 84 3 0 .765 1.14 3.28 .744 .604 .470 2.74 .535 -.031 2 10 GLA07A 1940 2017 78 3 0 .786 .76 2.44 .550 .708 .500 2.74 .543 .062 1 11 GLA08A 1932 2017 86 3 0 .707 .90 3.31 .885 .888 .382 2.89 .688 -.093 1 12 GLA09B 1953 2017 65 2 0 .528 1.10 3.73 .827 .728 .469 2.72 .580 -.096 2 13 GLA09A 1953 2017 65 2 0 .582 1.10 3.73 .827 .728 .436 2.75 .614 -.105 2 14 GLA12A 1936 2017 82 3 0 .436 1.00 4.74 1.151 .899 .405 2.32 .301 -.048 2 15 GLA13A 1936 2016 81 3 0 .643 1.01 4.77 1.149 .896 .419 2.60 .508 -.055 2 16 GLA14A 1935 2017 83 3 0 .658 .67 3.26 .666 .731 .481 2.63 .519 -.039 1 17 GLA15A 1939 2017 79 3 0 .589 .88 3.13 .755 .682 .604 2.65 .471 .006 3 18 GLA15B 1935 2017 83 3 0 .636 1.08 3.49 .852 .745 .545 2.50 .523 -.094 2 19 GLA16A 1950 2017 68 2 0 .578 1.32 3.32 .872 .760 .401 2.73 .487 .045 2 20 GLA16B 1956 2016 61 2 0 .720 1.34 3.92 .904 .499 .505 2.69 .419 -.060 2 21 GLA17A 1952 2017 66 2 0 .791 .98 3.04 .648 .768 .387 2.56 .477 .012 1 22 GLA18A 1939 2017 79 3 0 .637 .92 2.70 .629 .851 .346 2.60 .485 -.010 3 23 GLA18B 1950 2017 68 2 0 .704 1.16 3.36 .701 .607 .414 2.76 .686 .142 3 24 GLA19A 1937 1996 60 2 0 .734 1.80 5.38 1.512 .879 .391 2.67 .607 .014 2 25 GLA20A 1938 2017 80 3 0 .727 .99 3.43 .743 .670 .463 2.70 .414 -.065 2 26 GLA11A 1937 2016 80 3 0 .439 2.07 5.12 1.377 .900 .266 2.59 .473 -.010 2 27 GLA10A 1947 2017 71 3 0 .640 1.68 4.78 1.075 .791 .371 2.66 .433 -.050 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 2019 71 0 .639 1.18 5.92 .896 .762 .421 2.90 .521 -.017