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Fire History and Forest Succession in Yellow Pine Stands of the Appalachian Mountains
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Fire History and Forest Succession in Yellow Pine Stands of the Appalachian Mountains Charles W. Lafon, Department of Geography, Texas A&M UniversityHenri D. Grissino-Mayer, Department of Geography, University of TennesseeGeorgina D. Wight, Department of Geography, University of TennesseeSerena R. Aldrich, Department of Geography, Texas A&M University Steve Q. Croy, George Washington and Jefferson National ForestsElaine K. Sutherland, Rocky Mountain Research Station, USDA Forest Service Research funding provided by the National Interagency Fire Center,Joint Fire Science Program (JFSP)
This Study: Dendroecological Investigation of Fire History and Stand Dynamics
Methods: Fire History from Tree Rings From Fritts, H.C. 1976. Tree Rings and Climate. Academic Press, London.
Methods: Fire History from Tree Rings PART 7: DESCRIPTIVE STATISTICS: NW white pine, 40 year spline 14:37 Wed 06 Apr 2005 Page 6 ------------------------------------------------------------------------------------------------------------------------------------ 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 nwa001a 1892 2003 112 6 0 .716 1.99 6.75 1.157 .550 .339 2.79 .534 -.011 2 2 nwa001b 1893 2003 111 6 0 .685 1.48 8.15 1.212 .668 .342 2.74 .476 -.020 1 3 nwa002a 1907 2003 97 5 1 .614 1.29 5.83 .907 .741 .299 2.80 .486 .006 1 4 nwa002b 1894 2003 110 6 0 .701 1.41 4.63 1.118 .850 .289 2.56 .523 -.008 1 5 nwa003A 1934 2003 70 4 0 .663 1.60 3.38 .736 .823 .237 2.66 .491 .050 1 6 nwa003b 1934 2003 70 4 0 .575 1.35 3.28 .653 .833 .232 2.67 .487 -.016 1 7 nwa004a 1885 2003 119 6 0 .735 1.95 5.39 .861 .689 .273 2.78 .456 -.003 2 8 nwa004b 1918 2003 86 5 0 .795 1.96 3.36 .514 .340 .227 2.75 .476 .003 1 9 nwa005a 1837 2003 167 9 0 .634 1.37 3.05 .610 .677 .288 2.58 .405 -.043 2 10 nwa005b 1827 1925 99 5 0 .636 10.27 26.96 5.078 .566 .324 2.82 .432 -.075 1 11 nwa005b 1930 2003 74 4 0 .762 1.17 2.42 .449 .603 .271 2.90 .471 -.032 1 12 nwa006a 1881 2003 123 6 0 .755 .99 2.98 .459 .604 .308 2.70 .446 -.055 1 13 nwa006b 1864 2003 140 7 0 .653 1.05 3.62 .535 .612 .298 2.96 .477 -.035 1 14 nwa007a 1909 2003 95 5 0 .744 .97 2.51 .559 .759 .326 2.80 .463 .000 1 15 nwa007c 1882 2003 122 6 0 .627 .95 2.95 .589 .760 .320 3.01 .624 -.029 1 16 nwa008a 1802 2003 202 9 2 .551 .88 3.68 .599 .889 .230 2.70 .461 -.029 2 17 nwa008b 1857 2003 147 8 0 .661 .72 1.40 .266 .705 .230 2.76 .467 -.013 1 18 nwa009a 1866 2003 138 7 0 .667 .94 2.57 .487 .689 .291 2.69 .477 -.110 1 19 nwa009b 1861 2003 143 7 0 .673 .91 2.43 .428 .701 .284 2.91 .622 -.024 2 20 nwa010a 1861 2003 143 7 1 .561 1.68 3.42 .707 .771 .223 2.70 .461 -.027 1 21 nwa010b 1866 2003 138 7 0 .682 1.21 4.14 .979 .902 .266 2.75 .390 -.044 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 2506 129 4 .665 1.61 26.96 .853 .710 .280 3.01 .481 -.028 - = [ COFECHA NWWP COF ] = -
Methods: Fire History from Tree Rings 1802M NMD112 { 1817D Fire dates 1839D 1853D 1874U 1885U 1750 1902
Study Sites on the George Washington and Jefferson National Forests
Study Sites on the George Washington and Jefferson National Forests
Study Sites on the George Washington and Jefferson National Forests
Study Sites on the George Washington and Jefferson National Forests
Fire History Reconstruction, Mill Mountain MEI: 5 yrs LEI: 2 yrs UEI: 9 yrs 91% Dormant Season Fires
Fire History Reconstruction, Brush Mountain MEI: 4 yrs LEI: 1yr UEI: 8 yrs 82% Dormant Season Fires
1926D 1934D Stand Age Structure, Brush Mountain
1924D 1926D Stand Age Structure, North Mountain
Successional Implications: Seedlings and Saplings on Brush Mountain
Successional Implications: Seedlings and Saplings on North Mountain
Conclusions Past fire regimes Pine age structure Hardwood age structure, and mountain laurel establishment Increased tree and shrub density Tree reproduction Apparent successional trends