Ecoregions
of Texas
of Texas
4
Gulf Coast Prairies and Marshes
5
Coastal Sand Plain
6
South Texas Brush Country
8
Llano Uplift
9
Rolling Plains
10
High Plains
11
Trans-Pecos
12
Marine Environment
Piney Woods Rivers
Red River, Sabine River, Neches River, Sulphur River.
Piney Woods Aquifers
Carrizo-Wilcox, Gulf Coast
Four most biodiversty Region in Texas
Piney Woods
Piney Woods Park
Big Thicket National Park.
Fift most biodiversty Region in Texas
Oak Woods and Prairies
Oak Woods and Prairies names
Post Oak Savanna, Cross Timbers
High Plains land use
60 percent is cropland, cotton is the king.
Rolling Plains aquifers
Seymour,Ogallala
The biggest county in Texas
Brewster County
King Ranch is in the
Coastal Sand Plain
place with caliche
South Texas Brush Country
Acidic soil....
Piney Woods
Big Four Tallgrass
Little Bluestem, Big Bluestem, Indian Grass, Switchgrass.
Little Bluestem
Schizachyrium scoparium
Big Bluestem
Andropogon gerardii
Indian Grass
Sorghastrum nutans
Switchgrass
Panicum virgatum
When were the las of the Native Americans killed or forced onto a reservation.
1875
In the 1880's there were less than........ bison left in Texas. The herds estimated to be at least .........
200 60,000,000
What restricted woody plants and maintained the grasslands...
wildfire, in conjunction with other natural events (including periodic droughts, grazing, and competition with native grass)
Natural fires occured every...
5-10 years
Factors that resulted in the invasion by woody species on the native grasslands..
Fire suppression, fencing, overgrazing, advent of the metal plow.
Edwards Plateau is characterized by............ before pre-settlement.......
oak and juniper, grasslands and savannas
The richest ecoregion in Texas
Edwards Plateau
Land use of the Edwards Plateau
98 percent rangeland (cattle, sheep, and goats). Largest deer population in North America. Exotic big-game ranching. Wind farms.
Edwards Plateau major aquifers
Edwards, Trinity, Carrizo-Wilcox.
Major rives in the Edwards Plateau
Colorado, Guadalupe, San Antonio, Nueces, and Rio Grande.
Enchanted rock near
Fredericksburg
Llano uplift know with 2 names:
granitic central basin in llano and Mason counties
Name of the transicion zone of 2 ecoregions?
ecotono
What words means border of the river
riparian
................ is a sedimentary rock, a hardened natural cement of calcium carbonate that binds other materials—such as gravel, sand, clay, and silt
Caliche
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Flashcards
Big Four Tallgrass
Little Bluestem, Big Bluestem, Indian Grass, Switchgrass.
Little Bluestem
Schizachyrium scoparium
Big Bluestem
Andropogon gerardii
Indian Grass
Sorghastrum nutans
Switchgrass
Panicum virgatum
When were the las of the Native Americans killed or forced onto a reservation.
1875
In the 1880's there were less than........ bison left in Texas. The herds estimated to be at least .........
200 60,000,000
What restricted woody plants and maintained the grasslands...
wildfire, in conjunction with other natural events (including periodic droughts, grazing, and competition with native grass)
Natural fires occured every...
5-10 years
Factors that resulted in the invasion by woody species on the native grasslands..
Fire suppression, fencing, overgrazing, advent of the metal plow.
Edwards Plateau is characterized by............ before pre-settlement.......
oak and juniper, grasslands and savannas
The richest ecoregion in Texas
Edwards Plateau
Land use of the Edwards Plateau
98 percent rangeland (cattle, sheep, and goats). Largest deer population in North America. Exotic big-game ranching. Wind farms.
Edwards Plateau major aquifers
Edwards, Trinity, Carrizo-Wilcox.
Major rives in the Edwards Plateau
Colorado, Guadalupe, San Antonio, Nueces, and Rio Grande.
Enchanted rock near
Fredericksburg
Llano uplift know with 2 names:
granitic central basin in llano and Mason counties
Name of the transicion zone of 2 ecoregions?
ecotono
What words means border of the river
riparian
................ is a sedimentary rock, a hardened natural cement of calcium carbonate that binds other materials—such as gravel, sand, clay, and silt
Caliche
caliche
calcium carbonate
llano rivers
colorado, llano, san saba
Llano aquifers
Portions of the Edwards and Trinity
highest point in texas..., ...feet
Guadalupe Peak
a flat arid valley surrunded b mountains and draining into a shallow central lake
bolson
transpecos diversity due to 3 things.
variety of soils, precipitation, and elevation
4 Plant communities in the Trans-Pecos
Creosote-Tarbush Desert Scrub, Desert Grassland, Yucca and Junniper Savanna, Montane Forest
7 Subregions of the Trans-Pecos
Sand Hills, Stockton Plateau, Salt Basin, Desert Scrub, Creosotebush Flats, Desert Grassland, Mountain Ranges
Trans-Pecos rivers
Pecos, Rio Grande
park with more cacti, bats, and birds than any other national park
Big Bend National Park
A large community of plants and animals that occupies a distinct region
biome
Big Bend National Park Five Formations
River floodplain - Arroyo Formation, Shrub Desert Formation, Sotol-Grassland Formation, Woodland Formation, Moist Chisos Woodland Formation.
indian paintbrush is a
hemiparasitic
Bigtooth Mapel fruits occur in winged pairs called
samaras
......Sandhills State ParK
Monahans
3rd more biodiverse ecoregion......
Gulf Coast Prairies and Marshes
where salty sea water and fresh river wate meet
estuaries
is a wetland that is dominated by herbaceous rather than woody plant species.
marsh
1
Piney Woods
2
Oak Woods and Prairies
