Fire Regimes and Successional Dynamics of Yellow Pine (Pinus) Stands in the Central Appalachian Mountains Charles W. Lafon Department of Geography, Texas A - PowerPoint PPT Presentation

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Fire Regimes and Successional Dynamics of Yellow Pine (Pinus) Stands in the Central Appalachian Mountains Charles W. Lafon Department of Geography, Texas A

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Fire History and Forest Succession in Yellow Pine Stands of the Appalachian Mountains ... Georgina D. Wight, Department of Geography, University of Tennessee ... – PowerPoint PPT presentation

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Title: Fire Regimes and Successional Dynamics of Yellow Pine (Pinus) Stands in the Central Appalachian Mountains Charles W. Lafon Department of Geography, Texas A


1
Fire History and Forest Succession in Yellow Pine
Stands of the Appalachian Mountains Charles
W. Lafon, Department of Geography, Texas AM
University Henri D. Grissino-Mayer, Department of
Geography, University of Tennessee Georgina D.
Wight, Department of Geography, University of
Tennessee Serena R. Aldrich, Department of
Geography, Texas AM University Steve Q. Croy,
George Washington and Jefferson National
Forests Elaine K. Sutherland, Rocky Mountain
Research Station, USDA Forest Service Research
funding provided by the National Interagency Fire
Center, Joint Fire Science Program (JFSP)
2
Introduction to the Project
3
Open Conditions after Fire in a Table Mountain
Pine Stand
4
Stand Conditions in Appalachian Pine Stands
5
Table Mountain Pine
6
This Study Dendroecological Investigation of
Fire History and Stand Dynamics
7
Methods Fire History from Tree Rings
8
Methods Fire History from Tree Rings
9
Methods Fire History from Tree Rings
10
Methods Fire History from Tree Rings
11
Methods Fire History from Tree Rings
12
Methods Fire History from Tree Rings
13
Methods Fire History from Tree Rings
14
Methods Fire History from Tree Rings
From Fritts, H.C. 1976. Tree Rings and Climate.
Academic Press, London.
15
Methods Fire History from Tree Rings
16
Methods Fire History from Tree Rings
PART 7 DESCRIPTIVE STATISTICS NW white pine,
40 year spline
1437 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 -
17
Methods Fire History from Tree Rings
1802M
NMD112

1817D
Fire dates
1839D
1853D
1874U
1885U
1750
1902
18
Methods Fire History from Tree Rings
19
Methods Age Structure and Other Data
20
Methods Age Structure and Other Data
21
Methods Age Structure and Other Data
22
Methods Age Structure and Other Data
23
Methods Age Structure and Other Data
24
Methods Laboratory Analyses
25
Study Sites on the George Washington and
Jefferson National Forests
26
Study Sites on the George Washington and
Jefferson National Forests
27
Study Sites on the George Washington and
Jefferson National Forests
28
Study Sites on the George Washington and
Jefferson National Forests
29
Fire History Reconstruction, Mill Mountain
MEI 5 yrs LEI 2 yrs UEI 9 yrs 91 Dormant
Season Fires
30
Fire Seasonality in the Appalachians
31
Stand Age Structure, Mill Mountain
32
Stand Size Structure, Mill Mountain
33
Forest Succession, Mill Mountain
34
Forest Succession, Peters Mountain
35
Fire History Reconstruction, Brush Mountain
MEI 4 yrs LEI 1yr UEI 8 yrs 82 Dormant Season
Fires
36
Stand Age Structure, Brush Mountain
37
Stand Age Structure, Brush Mountain
38
Brush Mountain
39
Fire History Reconstruction, North Mountain
40
Fire History Reconstruction, North Mountain
41
Stand Age Structure, North Mountain
42
Stand Age Structure, North Mountain
43
Successional Implications Seedlings and Saplings
44
Successional Implications Seedlings and Saplings
on Brush Mountain
45
Successional Implications Seedlings and Saplings
on North Mountain
46
Successional Implications Mountain Laurel
Establishment
47
Successional Implications Mountain Laurel
Establishment
48
Conclusions
Past fire regimes Pine age structure Hardwood
age structure, and mountain laurel
establishment Increased tree and shrub
density Tree reproduction Apparent successional
trends
49
Acknowledgements
50
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