8 19 hill country ecology changes since 1820
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Transcript of 8 19 hill country ecology changes since 1820
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Wire and Fire:
A Historical Perspective of
Ecosystems Management on the Kerr Wildlife
Management Area
1800’s – Present
Donnie Frels
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EcosystemsEcosystems
What is an ecosystem?What is an ecosystem?
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EcosystemsEcosystems
What is an ecosystem?What is an ecosystem?
Terrestrial Systems
Aquatic Systems
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EcosystemsEcosystems
What is an ecosystem?What is an ecosystem?
Terrestrial Systems
Aquatic Systems
•Watersheds
•Forests•Deserts
•Grasslands
•Aquifers•Rivers
•Lakes
•Streams
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EcosystemsEcosystems
What is an ecosystem?What is an ecosystem?
Terrestrial Systems
Aquatic Systems
•Watersheds
•Forests•Deserts
•Grasslands
•Aquifers•Rivers
•Lakes
•Streams
Fundamental Processes of :
Water Cycle
Mineral Cycle
Community Dynamics
Energy Flow
Individual
Organisms
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EcosystemsEcosystems
““Ecological systems are not only more complex Ecological systems are not only more complex than we think, they are more complex than we can than we think, they are more complex than we can think.”think.” Scottish scientist J. B. S. HaldaneScottish scientist J. B. S. Haldane
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EcosystemsEcosystems
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Ecosystems Ecosystems ManagementManagement
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Ecosystems Ecosystems ManagementManagement A process which leads to a productA process which leads to a product
Raw materials
Products
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Ecosystems Ecosystems ManagementManagement A process which leads to a productA process which leads to a product
Raw materials
ProductsInfluencesVariables
Intangibles
Natural Man-made Tools
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Ecosystems Ecosystems ManagementManagement
Tools Tools “… “… game (wildlife) can be restored game (wildlife) can be restored
by the creative use of the same tools by the creative use of the same tools which have heretofore destroyed it – which have heretofore destroyed it – axe, cow, plow, fire and gun.”axe, cow, plow, fire and gun.” Aldo Leopold, 1933Aldo Leopold, 1933 Courtesy of the Aldo Leopold
Foundation Archives
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Ecosystems Ecosystems ManagementManagement
Other Tools - Good or Bad?Other Tools - Good or Bad? High FencesHigh Fences
Supplemental FeedingSupplemental Feeding
Predator ControlPredator Control
Herbicides/InsecticidesHerbicides/Insecticides
Barbed WireBarbed Wire
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Kerr WMA – Landscape Kerr WMA – Landscape HistoryHistory
Millions of Years AgoMillions of Years Ago – sea – sea
Thousands of Years AgoThousands of Years Ago – conifer forest – conifer forest
man-influencedman-influenced
Hundreds of Years AgoHundreds of Years Ago – oak savannah – oak savannah
PresentPresent – cedar brake – cedar brake
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Kerr WMA – Landscape Kerr WMA – Landscape HistoryHistory
Prior to 1840Prior to 1840 – – buffalo, antelope, prairie chickens, wild buffalo, antelope, prairie chickens, wild longhorns longhorns
Early 1800’sEarly 1800’s – – Apache and Comanche IndiansApache and Comanche Indians
18561856 – – Boneyard MassacreBoneyard Massacre
1880’s1880’s – – Increasing settlement of the regionIncreasing settlement of the region
18801880 – – YO Ranch -YO Ranch - Captain Charles Shreiner Captain Charles Shreiner
19021902 – – Stowers Ranch purchasedStowers Ranch purchased
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Kerr WMA – Landscape Kerr WMA – Landscape HistoryHistory
Kerr County Kerr County –– established January 26, 1856 established January 26, 1856
Kerrsville Kerrsville – named county seat in honor of Major James – named county seat in honor of Major James Kerr, friend of Joshua Brown, an early settler Kerr, friend of Joshua Brown, an early settler
18601860 – the human population of Kerrville was 634. – the human population of Kerrville was 634. Livestock numbered 4,000 head of cattle, 1,100 sheep. Livestock numbered 4,000 head of cattle, 1,100 sheep.
18851885 - YO Ranch – first sheep ranch (600,000 acres) - YO Ranch – first sheep ranch (600,000 acres)
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Kerr WMA – Landscape Kerr WMA – Landscape HistoryHistory
18821882 – – First barbed-wire fenceFirst barbed-wire fence
18971897 – – “…the area was open grassland. Cedar posts were “…the area was open grassland. Cedar posts were difficult to find since the growth of cedar was restricted to the difficult to find since the growth of cedar was restricted to the heads of canyons. Prior to 1900, the cedar was found in only small heads of canyons. Prior to 1900, the cedar was found in only small patches of five to ten acres, and usually at the heads of canyons. patches of five to ten acres, and usually at the heads of canyons. One large mott of thirty to forty acres occurred on the Perry Ranch One large mott of thirty to forty acres occurred on the Perry Ranch
(near Leakey)(near Leakey) in 1905.” in 1905.” Sam Tomerlin as reported to Henry Hahn, 1950Sam Tomerlin as reported to Henry Hahn, 1950
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Kerr WMA – Landscape Kerr WMA – Landscape HistoryHistory
18821882 - From Thomas Moore regarding their desire to - From Thomas Moore regarding their desire to construct a “heart cedar” log home near Indian Creek - construct a “heart cedar” log home near Indian Creek - ““We’ve got to hurry, because in six months that cedar We’ve got to hurry, because in six months that cedar will run out.” will run out.” from West Kerr Current, Vol. 3 No. 35, by Irene Van from West Kerr Current, Vol. 3 No. 35, by Irene Van Winkle, 2006.Winkle, 2006.
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Kerr WMA – Landscape Kerr WMA – Landscape HistoryHistory
““When my parents lived on the When my parents lived on the (Kerr(Kerr) ) area, the range was still open grassland area, the range was still open grassland with widely scattered scrub oaks. Cedar with widely scattered scrub oaks. Cedar was restricted to the canyons and was restricted to the canyons and draws.” draws.” Isaac Zumwalt of Ingram, Texas, as reported Isaac Zumwalt of Ingram, Texas, as reported to Henry Hahn, 1950.to Henry Hahn, 1950.
19001900 - - “We saw cattle get down with the “We saw cattle get down with the creeps and die in grasses which stood creeps and die in grasses which stood four to six feet tall.” four to six feet tall.” Sam TomerlinSam Tomerlin
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Intensive Grazing comes Intensive Grazing comes to the Kerr WMAto the Kerr WMA
From 1900 – 1950:From 1900 – 1950: the Kerr WMA property had 13 different owners the Kerr WMA property had 13 different owners
Prior to 1897Prior to 1897 – the KWMA was open range and wild longhorn cattle – the KWMA was open range and wild longhorn cattle grazed the grasslands along with buffalo and antelopegrazed the grasslands along with buffalo and antelope
18971897 – first privately owned cattle were driven up from Leakey to the – first privately owned cattle were driven up from Leakey to the headwaters of the Guadalupe River. headwaters of the Guadalupe River.
19191919 – S.C. Stacker – imported two carloads of donkeys, released – S.C. Stacker – imported two carloads of donkeys, released large numbers of gray mares and also raised mules and goats for the large numbers of gray mares and also raised mules and goats for the U.S. ArmyU.S. Army
19241924 – Robert Real – stocked the area with 2,800 goats, 1,800 sheep, – Robert Real – stocked the area with 2,800 goats, 1,800 sheep, and 220 head of cattleand 220 head of cattle
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Intensive Grazing comes Intensive Grazing comes to the Kerr WMAto the Kerr WMA
1921 1921 – E.A. McCoy – “failed to succeed in the ranching business”– E.A. McCoy – “failed to succeed in the ranching business”
1924 1924 – “– “tall bunch grasses were becoming greatly reduced due to tall bunch grasses were becoming greatly reduced due to intensive grazing.”intensive grazing.” Walter Wilson, who worked for Robert RealWalter Wilson, who worked for Robert Real
19301930 – Moody Seagraves was “unable to meet financial – Moody Seagraves was “unable to meet financial obligations” obligations”
19401940 – Daniel Moran – 400 sheep in the Owl Pasture (385 ac) – Daniel Moran – 400 sheep in the Owl Pasture (385 ac) Leased Bobcat Pasture (830 ac) – 725 ewes and lambsLeased Bobcat Pasture (830 ac) – 725 ewes and lambs
Leased 2,300 ac – 900 sheep, 400 goatsLeased 2,300 ac – 900 sheep, 400 goats
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Intensive Grazing comes Intensive Grazing comes to the Kerr WMAto the Kerr WMA
Nov. 1, 1945Nov. 1, 1945 – E.L. Fossler and W. Klein – leased 4,962 acres – 77 – E.L. Fossler and W. Klein – leased 4,962 acres – 77 cows, 875 goats, 1,423 sheep, 11 horsescows, 875 goats, 1,423 sheep, 11 horses
Nov. 14, 1945Nov. 14, 1945 – added 259 goats, 33 cows, 5 bulls, 9 heifers, 8 – added 259 goats, 33 cows, 5 bulls, 9 heifers, 8 calves calves
Nov. 28, 1945Nov. 28, 1945 – removed 11 horses, 35 heifers, 18 cows, 13 calves – removed 11 horses, 35 heifers, 18 cows, 13 calves (calf crop 20%)(calf crop 20%)
Fall, 1946Fall, 1946 – “ – “none of the stock did well and they were forced to none of the stock did well and they were forced to make reductions in the number of livestock”. make reductions in the number of livestock”. All livestock All livestock eventually removed.eventually removed.
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Intensive Grazing comes Intensive Grazing comes to the Kerr WMAto the Kerr WMA
19491949 – – “… the ranch was in an overgrazed “… the ranch was in an overgrazed condition when we took charge in the fall of condition when we took charge in the fall of 1949. There was very little grass or other 1949. There was very little grass or other ground cover in the fields and pastures north ground cover in the fields and pastures north and west of the springs.”and west of the springs.” O.O. West, manager of O.O. West, manager of the Presbyterian MO Ranch Assemblythe Presbyterian MO Ranch Assembly
““Livestock was no longer a profitable Livestock was no longer a profitable endeavor”endeavor”
19501950 – Texas Game and Fish Commission – Texas Game and Fish Commission purchases 6,493 acres for $259,730 ($40/ac)purchases 6,493 acres for $259,730 ($40/ac) Courtesy of B. Taylor – Sonora
Exp. Station
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Cedar Encroachment Cedar Encroachment comes to the Kerr WMAcomes to the Kerr WMA
19301930 – Houston Schumacher remembers father driving – Houston Schumacher remembers father driving across the Bobcat Pasture in Model T Ford to springacross the Bobcat Pasture in Model T Ford to spring
1940’s1940’s – Cedar encroachment increases – Cedar encroachment increases dramaticallydramatically
LACK OR ABSENCE OF FIRELACK OR ABSENCE OF FIRE
1.1. Suppression of wildfireSuppression of wildfire
2.2. Protection of property/urbanizationProtection of property/urbanization
3.3. OverOvergrazing or Fencing (?)grazing or Fencing (?)
Bobcat Pasture 1980
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Cedar Encroachment Cedar Encroachment comes to the Kerr WMAcomes to the Kerr WMA
1947 – 1948:1947 – 1948: 30 men cut cedar posts for 9 30 men cut cedar posts for 9 months in 5 pastures (what is now the months in 5 pastures (what is now the Bobcat, Spring, Doe, Fawn and Owl) – Bobcat, Spring, Doe, Fawn and Owl) – 2,500 acres2,500 acres
19471947 – chained 207 acres ($4.83/ac) – chained 207 acres ($4.83/ac)
19501950 – chained 230 acres ($3.50/ac) – chained 230 acres ($3.50/ac)
19501950 – two men cut 1,500 posts, 500 cedar – two men cut 1,500 posts, 500 cedar stays in 6 weeks (Owl and Doe Pastures) – stays in 6 weeks (Owl and Doe Pastures) – 900 acres900 acres
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Cedar Encroachment Cedar Encroachment comes to the Kerr WMAcomes to the Kerr WMA
19501950 – Soil Conservation Service administered the – Soil Conservation Service administered the Production Marketing Administration program to Production Marketing Administration program to control cedar on private propertycontrol cedar on private property
1. Bulldozing1. Bulldozing
2. Chaining2. Chaining
1950- 19601950- 1960: : Land managers were dealing with the product of their management system
Kerr WMA 1950
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Cedar Encroachment Cedar Encroachment comes to the Kerr WMAcomes to the Kerr WMA
1964 – 19661964 – 1966: large acreages of cedar were removed by hand : large acreages of cedar were removed by hand cutting and chaining on the Kerr WMA. Cut cedar was cutting and chaining on the Kerr WMA. Cut cedar was stacked creating many brush piles. Approximately 15 acres of stacked creating many brush piles. Approximately 15 acres of every 100 acres cleared was covered by a brush pile. every 100 acres cleared was covered by a brush pile.
19721972 – Contracts to hand cut cedar – Contracts to hand cut cedar
($30/ac)($30/ac)
19791979 – Contracts to hand cut cedar – Contracts to hand cut cedar
($100/hr)($100/hr)
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Wildfire comes to the Wildfire comes to the Kerr WMAKerr WMA
January 1971January 1971 – Love, Turkey and Rock Pastures (1,100 acres) – Love, Turkey and Rock Pastures (1,100 acres)
March 1984March 1984 – East Bobcat Pasture (296 acres) – East Bobcat Pasture (296 acres)
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A New Management A New Management Scheme comes to the Scheme comes to the Kerr WMAKerr WMA
“Search for the cure and quit treating symptoms”
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A New Management A New Management Scheme comes to the Scheme comes to the Kerr WMAKerr WMA
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A New Management A New Management Scheme comes to the Scheme comes to the Kerr WMAKerr WMA
Donnie Harmel Donnie Harmel – 1968-1997: – 1968-1997: “You have to “You have to get out of the truck to see what’s happening get out of the truck to see what’s happening in the pasture.”in the pasture.”
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A New Management A New Management Scheme comes to the Scheme comes to the Kerr WMAKerr WMA
Donnie Harmel Donnie Harmel – 1968-1997: – 1968-1997: “You have to “You have to get out of the truck to see what’s happening get out of the truck to see what’s happening in the pasture.”in the pasture.”
Bill Armstrong – Bill Armstrong – 1973 – 2005: 1973 – 2005: “…only “…only Satan has introduced more Texans to Satan has introduced more Texans to burning than Bill Armstrong.”burning than Bill Armstrong.” John Jefferson, John Jefferson, Texas Wildlife, Feb. 2006Texas Wildlife, Feb. 2006
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A New Management A New Management Scheme comes to the Scheme comes to the Kerr WMAKerr WMA
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A New Management A New Management Scheme comes to the Scheme comes to the Kerr WMAKerr WMA
19681968 – Erected deer-proof fence (gun) – Erected deer-proof fence (gun)
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A New Management A New Management Scheme comes to the Scheme comes to the Kerr WMAKerr WMA
19681968 – Erected deer-proof fence (gun) – Erected deer-proof fence (gun)
19771977 – HILF grazing system (cow) – HILF grazing system (cow)
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A New Management A New Management Scheme comes to the Scheme comes to the Kerr WMAKerr WMA
19681968 – Erected deer-proof fence (gun) – Erected deer-proof fence (gun)
19771977 – HILF grazing system (cow) – HILF grazing system (cow)
19791979 – Instituted prescribed burning program – Instituted prescribed burning program (fire)(fire)
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A New Management A New Management Scheme comes to the Scheme comes to the Kerr WMAKerr WMA
19681968 – Erected deer-proof fence (gun) – Erected deer-proof fence (gun)
19771977 – HILF grazing system (cow) – HILF grazing system (cow)
19791979 – Instituted prescribed burning program – Instituted prescribed burning program (fire)(fire)
19971997 – Hydraulic shears for cedar control (ax) – Hydraulic shears for cedar control (ax)
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A New Management A New Management Scheme comes to the Scheme comes to the Kerr WMAKerr WMA
19681968 – Erected deer-proof fence (gun) – Erected deer-proof fence (gun)
19771977 – HILF grazing system (cow) – HILF grazing system (cow)
19791979 – Instituted prescribed burning program – Instituted prescribed burning program (fire)(fire)
19971997 – Hydraulic shears for cedar control (ax) – Hydraulic shears for cedar control (ax)
A change in the management system, brought A change in the management system, brought about through the creative use of tools, about through the creative use of tools, resulting in a change in the final product(s)resulting in a change in the final product(s)
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Products of the Kerr Products of the Kerr WMAWMA
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Products of the Kerr Products of the Kerr WMAWMA
Field Dressed Weights 4.5+ Yr. BucksKerr Wildlife Management Area
1962-2000
6263
6465
6667
6869
7071
7273
7475
7677
7879
8081
8283
8485
8688
8990
9192
9394
9596
9798
9900
YEAR
40
60
80
100
120
140
Either Sex Hunts Only
POUNDS
Deer ProofFence
Either Sex &Antlerless Only
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Products of the Kerr Products of the Kerr WMAWMA
Field Dressed Weights 4.5+ Yr. BucksKerr Wildlife Management Area
1962-2000
6263
6465
6667
6869
7071
7273
7475
7677
7879
8081
8283
8485
8688
8990
9192
9394
9596
9798
9900
YEAR
40
60
80
100
120
140
Either Sex Hunts Only
POUNDS
Deer ProofFence
Either Sex &Antlerless Only
27 42 42 56 6584 79
106146 155
183
228
338 328
408 412453
050
100150200250300350400450500
86 87 88 89 90 91 92 93 94 95 96 97 98 99 00 01 02
BCV Population Trends
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Products of the Kerr Products of the Kerr WMAWMA
Field Dressed Weights 4.5+ Yr. BucksKerr Wildlife Management Area
1962-2000
6263
6465
6667
6869
7071
7273
7475
7677
7879
8081
8283
8485
8688
8990
9192
9394
9596
9798
9900
YEAR
40
60
80
100
120
140
Either Sex Hunts Only
POUNDS
Deer ProofFence
Either Sex &Antlerless Only
Total Number of Browse, Grass, and ForbSpecies Encountered on TransectsKerr Wildlife Management Area
6667
6869
7071
7273
7475
7677
7879
8081
8283
8485
8687
8889
9091
9293
9495
9697
9899
0030
50
70
90
110NUMBER
SPECIES
YEAR
27 42 42 56 6584 79
106146 155
183
228
338 328
408 412453
050
100150200250300350400450500
86 87 88 89 90 91 92 93 94 95 96 97 98 99 00 01 02
BCV Population Trends
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Products of the Kerr Products of the Kerr WMAWMA
Field Dressed Weights 4.5+ Yr. BucksKerr Wildlife Management Area
1962-2000
6263
6465
6667
6869
7071
7273
7475
7677
7879
8081
8283
8485
8688
8990
9192
9394
9596
9798
9900
YEAR
40
60
80
100
120
140
Either Sex Hunts Only
POUNDS
Deer ProofFence
Either Sex &Antlerless Only
Percent Fawn CropKerr Wildlife Management Area
1954-2000
5455
5657
5859
6061
6263
6465
6667
6869
7071
7273
7475
7677
7879
8081
8283
8485
8687
8889
9091
9293
9495
9697
9899
00
YEAR
020406080
100120140160
PERCENT
Total Number of Browse, Grass, and ForbSpecies Encountered on TransectsKerr Wildlife Management Area
6667
6869
7071
7273
7475
7677
7879
8081
8283
8485
8687
8889
9091
9293
9495
9697
9899
0030
50
70
90
110NUMBER
SPECIES
YEAR
27 42 42 56 6584 79
106146 155
183
228
338 328
408 412453
050
100150200250300350400450500
86 87 88 89 90 91 92 93 94 95 96 97 98 99 00 01 02
BCV Population Trends
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Products of the Kerr Products of the Kerr WMAWMA
Field Dressed Weights 4.5+ Yr. BucksKerr Wildlife Management Area
1962-2000
6263
6465
6667
6869
7071
7273
7475
7677
7879
8081
8283
8485
8688
8990
9192
9394
9596
9798
9900
YEAR
40
60
80
100
120
140
Either Sex Hunts Only
POUNDS
Deer ProofFence
Either Sex &Antlerless Only
Percent Fawn CropKerr Wildlife Management Area
1954-2000
5455
5657
5859
6061
6263
6465
6667
6869
7071
7273
7475
7677
7879
8081
8283
8485
8687
8889
9091
9293
9495
9697
9899
00
YEAR
020406080
100120140160
PERCENT
Total Number of Browse, Grass, and ForbSpecies Encountered on TransectsKerr Wildlife Management Area
6667
6869
7071
7273
7475
7677
7879
8081
8283
8485
8687
8889
9091
9293
9495
9697
9899
0030
50
70
90
110NUMBER
SPECIES
YEAR
27 42 42 56 6584 79
106146 155
183
228
338 328
408 412453
050
100150200250300350400450500
86 87 88 89 90 91 92 93 94 95 96 97 98 99 00 01 02
BCV Population Trends
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Middle Trap - Kerr WMAMiddle Trap - Kerr WMA
1952 2006
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Plot 6 - Kerr WMAPlot 6 - Kerr WMA
1956 2006
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Love Pasture - Kerr WMALove Pasture - Kerr WMA
1951 2006
![Page 47: 8 19 hill country ecology changes since 1820](https://reader036.fdocuments.in/reader036/viewer/2022081604/588153cc1a28abb0508b696b/html5/thumbnails/47.jpg)
Redwine Pasture - Kerr Redwine Pasture - Kerr WMAWMA
1954 2006
![Page 48: 8 19 hill country ecology changes since 1820](https://reader036.fdocuments.in/reader036/viewer/2022081604/588153cc1a28abb0508b696b/html5/thumbnails/48.jpg)
Plot 9 - Kerr WMAPlot 9 - Kerr WMA
1959 2006
![Page 49: 8 19 hill country ecology changes since 1820](https://reader036.fdocuments.in/reader036/viewer/2022081604/588153cc1a28abb0508b696b/html5/thumbnails/49.jpg)
Water Infiltration Plots - Water Infiltration Plots - Kerr WMAKerr WMAGrass Plot Live Oak/Cedar Plot
![Page 50: 8 19 hill country ecology changes since 1820](https://reader036.fdocuments.in/reader036/viewer/2022081604/588153cc1a28abb0508b696b/html5/thumbnails/50.jpg)
Love Pasture – August Love Pasture – August 19861986Grass Plot
![Page 51: 8 19 hill country ecology changes since 1820](https://reader036.fdocuments.in/reader036/viewer/2022081604/588153cc1a28abb0508b696b/html5/thumbnails/51.jpg)
Bear Creek Draw - Kerr Bear Creek Draw - Kerr WMAWMA
Bear Creek Water Gap
![Page 52: 8 19 hill country ecology changes since 1820](https://reader036.fdocuments.in/reader036/viewer/2022081604/588153cc1a28abb0508b696b/html5/thumbnails/52.jpg)
Bear Creek Draw - Kerr Bear Creek Draw - Kerr WMAWMA
Bear Creek Water Gap Wilson Water Gap
![Page 53: 8 19 hill country ecology changes since 1820](https://reader036.fdocuments.in/reader036/viewer/2022081604/588153cc1a28abb0508b696b/html5/thumbnails/53.jpg)
THE THE ENDEND
![Page 54: 8 19 hill country ecology changes since 1820](https://reader036.fdocuments.in/reader036/viewer/2022081604/588153cc1a28abb0508b696b/html5/thumbnails/54.jpg)
The following publications and much more are available on the FREE CD’s
Also check our web site at
www.tpwd.state.tx.us/hillcountry