Fire History and Forest Succession in Yellow Pine Stands of the Appalachian Mountains Charles W. Lafon, Department of Geography, Texas A&M University Henri.
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Fire History and Forest Succession in Yellow Pine Stands of Fire History and Forest Succession in Yellow Pine Stands of the Appalachian Mountainsthe Appalachian Mountains
Charles W. Lafon, Charles W. Lafon, Department of Geography, Texas A&M UniversityDepartment of Geography, Texas A&M UniversityHenri D. Grissino-Mayer, Henri D. Grissino-Mayer, Department of Geography, University of TennesseeDepartment of Geography, University of Tennessee
Georgina D. Wight, Georgina D. Wight, Department of Geography, University of TennesseeDepartment of Geography, University of TennesseeSerena R. Aldrich, Serena R. Aldrich, Department of Geography, Texas A&M UniversityDepartment of Geography, Texas A&M UniversitySteve Q. Croy, Steve Q. Croy, George Washington and Jefferson National ForestsGeorge Washington and Jefferson National Forests
Elaine K. Sutherland, Elaine K. Sutherland, Rocky Mountain Research Station, USDA Forest ServiceRocky Mountain Research Station, USDA Forest Service
Research funding provided by the National Interagency Fire Center,Research funding provided by the National Interagency Fire Center,Joint Fire Science Program (JFSP)Joint Fire Science Program (JFSP)
Introduction to the ProjectIntroduction to the Project
Open Conditions after Fire in a Table Mountain Pine StandOpen Conditions after Fire in a Table Mountain Pine Stand
Stand Conditions in Appalachian Pine StandsStand Conditions in Appalachian Pine Stands
Table Mountain PineTable Mountain Pine
This Study: Dendroecological Investigation of Fire History This Study: Dendroecological Investigation of Fire History and Stand Dynamicsand Stand Dynamics
Methods: Fire History from Tree RingsMethods: Fire History from Tree Rings
Methods: Fire History from Tree RingsMethods: Fire History from Tree Rings
Methods: Fire History from Tree RingsMethods: Fire History from Tree Rings
Methods: Fire History from Tree RingsMethods: Fire History from Tree Rings
Methods: Fire History from Tree RingsMethods: Fire History from Tree Rings
Methods: Fire History from Tree RingsMethods: Fire History from Tree Rings
Methods: Fire History from Tree RingsMethods: Fire History from Tree Rings
Methods: Fire History from Tree RingsMethods: Fire History from Tree Rings
From Fritts, H.C. 1976. From Fritts, H.C. 1976. Tree Rings and ClimateTree Rings and Climate. Academic Press, London.. Academic Press, London.
Methods: Fire History from Tree RingsMethods: Fire History from Tree Rings
Methods: Fire History from Tree RingsMethods: 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 RingsMethods: Fire History from Tree Rings
1802M1817D1839D1853D1874U1885U
{Fire dates
NMD112
1750
1902
Methods: Fire History from Tree RingsMethods: Fire History from Tree Rings
Methods: Age Structure and Other DataMethods: Age Structure and Other Data
Methods: Age Structure and Other DataMethods: Age Structure and Other Data
Methods: Age Structure and Other DataMethods: Age Structure and Other Data
Methods: Age Structure and Other DataMethods: Age Structure and Other Data
Methods: Age Structure and Other DataMethods: Age Structure and Other Data
Methods: Laboratory AnalysesMethods: Laboratory Analyses
Study Sites on the George Washington and Jefferson Study Sites on the George Washington and Jefferson National ForestsNational Forests
Study Sites on the George Washington and Jefferson Study Sites on the George Washington and Jefferson National ForestsNational Forests
Study Sites on the George Washington and Jefferson Study Sites on the George Washington and Jefferson National ForestsNational Forests
Study Sites on the George Washington and Jefferson Study Sites on the George Washington and Jefferson National ForestsNational Forests
Fire History Reconstruction, Mill MountainFire History Reconstruction, Mill Mountain
MEI: 5 yrsLEI: 2 yrsUEI: 9 yrs91% Dormant Season Fires
Fire Seasonality in the AppalachiansFire Seasonality in the Appalachians
Stand Age Structure, Mill MountainStand Age Structure, Mill Mountain
Stand Size Structure, Mill MountainStand Size Structure, Mill Mountain
Forest Succession, Mill MountainForest Succession, Mill Mountain
Forest Succession, Peters MountainForest Succession, Peters Mountain
Fire History Reconstruction, Brush MountainFire History Reconstruction, Brush Mountain
MEI: 4 yrs
LEI: 1yr
UEI: 8 yrs
82% Dormant Season Fires
Stand Age Structure, Brush MountainStand Age Structure, Brush Mountain
Brush Mountain Age Structure
0
10
20
30
40
50
60
1800-1824 1825-1849 1850-1874 1875-1899 1900-1924 1925-1949 1950-1974 1975-1999
Establishment Date
OakPine
Other Hardwoods
Stand Age Structure, Brush MountainStand Age Structure, Brush Mountain
Brush Mountain Age Structure
0
10
20
30
40
50
60
1750 1800 1850 1900 1950 2000
Estimated Pith Dates
DB
H (
cm
)
Oak
Pine
Other Hardwoods1926D
1934D
Brush MountainBrush Mountain
Fire History Reconstruction, North MountainFire History Reconstruction, North Mountain
Fire History Reconstruction, North MountainFire History Reconstruction, North Mountain
Stand Age Structure, North MountainStand Age Structure, North Mountain
North Mountain Age Structure
0
20
40
60
80
100
120
1774-1799 1800-1824 1825-1849 1850-1874 1875-1899 1900-1924 1925-1949 1950-1974 1975-1999
Establishment Date
Oak
Pine
Other Hardwoods
Stand Age Structure, North MountainStand Age Structure, North Mountain
North Mountain Age Structure
0
10
20
30
40
50
60
1750 1800 1850 1900 1950 2000
ESTABLISHMENT YEAR
DB
H (c
m)
PINE
OAK
OTHER HARDWOOD
1924D 1926D
Successional Implications: Seedlings and SaplingsSuccessional Implications: Seedlings and Saplings
Successional Implications: Seedlings and Saplings on Successional Implications: Seedlings and Saplings on Brush MountainBrush Mountain
Brush Mountain Seedlings/Saplings
150
44
8 7 7
95
5 113
4
12
5 10
20
40
60
80
100
120
140
160
180
Chestn
ut O
ak
Red M
aple
Scarle
t Oak
Northe
rn R
ed O
ak
Black G
um
Black O
ak
Table
Mou
ntain
Pine
Amer
ican
Chestn
ut
Whit
e Oak
Whit
e Pine
Nu
mb
er
Saplings
Seedlings
Successional Implications: Seedlings and Saplings on Successional Implications: Seedlings and Saplings on North MountainNorth Mountain
North Mountain Seedlings/Saplings
7351 36
10 8
46
338
39
12 191011
0
50
100
150
200
250
300
350
400
Red Maple ScarletOak
Black Gum ChestnutOak
NorthernRed Oak
AmericanChestnut
White Oak TableMountain
Pine
Black Oak
Num
ber
Saplings
Seedlings
Successional Implications: Mountain Laurel EstablishmentSuccessional Implications: Mountain Laurel Establishment
Successional Implications: Mountain Laurel EstablishmentSuccessional Implications: Mountain Laurel Establishment
Brush Mt. Mountain Laurel
0
2
4
6
8
10
12
14
16
18
1945-1949 1950-1954 1955-1959 1960-1964 1965-1969 1970-1974 1975-1979 1980-1984
Establishment Date
North Mt. Mountain Laurel
0
2
4
6
8
10
12
14
16
18
1945-1949 1950-1954 1955-1959 1960-1964 1965-1969 1970-1974 1975-1979 1980-1984
Establishment Date
ConclusionsConclusions
Past fire regimes
Pine age structure
Hardwood age structure, and mountain laurel establishment
Increased tree and shrub density
Tree reproduction
Apparent successional trends
Past fire regimes
Pine age structure
Hardwood age structure, and mountain laurel establishment
Increased tree and shrub density
Tree reproduction
Apparent successional trends
AcknowledgementsAcknowledgements
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