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Our Texas

Our Texas. Focus. Which feature on the list can be found and observed in Texas? a. Deserts b. Canyons c. Mountains d. Beaches e. Meadows of wildflowers f. Swamps g. Pine forests. Yes, we have them all in Texas!. a. Deserts — Chihuahuan Desert b. Canyons— Palo Duro Canyon

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Our Texas

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  1. Our Texas

  2. Focus Which feature on the list can be found and observed in Texas? a. Deserts b. Canyons c. Mountains d. Beaches e. Meadows of wildflowers f. Swamps g. Pine forests

  3. Yes, we have them all in Texas! • a. Deserts — Chihuahuan Desert • b. Canyons— Palo Duro Canyon • c. Mountains— Guadalupe Mountains • d. Beaches— Galveston Beach • e. Meadows of wildflowers— Hill Country/Central Texas • f. Swamps—Daisetta Swamp, Liberty County • g. Pine forests— Big Thicket National Preserve

  4. Palo Duro Canyon

  5. Galveston Beach

  6. Guadalupe Mountains

  7. Chihuahuan Desert

  8. Hill Country

  9. Daisetta Swamp

  10. Big Thicket National Preserve

  11. Ecosystems • Ecosystems include plants, animals, sunlight, soil, and other living things. • Biotic factors: are the living things that make up an ecosystem. • Ex: kestrel, mouse, grass • Abiotic factors: are the nonliving things. • Ex: temperature, water, oxygen

  12. How do ecoregions get established? • Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and quantity of environmental resources. • Due to its size and geographic location, Texas is unique among states. A large area of land will usually have a great deal of variation in climate and landscapes, factors influencing habitat diversity. The state has impressive topographic diversity, including 91 mountain peaks that are a mile or more high. Our geographic location is also important in that eastern habitats meet western ones and southern subtropical habitats meet northern temperate ones. • The natural regions of Texas look different from one another, both in terms of the living aspects (plant and animal communities) and the non-living attributes (topography, geology, soils). http://www.tpwd.state.tx.us/publications/pwdpubs/media/pwd_bk_w7000_0030.pdf

  13. Due to its size and geographic location, Texas is unique among states. A large area of land will usually have a great deal of variation in climate and landscapes, factors influencing habitat diversity. The state has impressive topographic diversity, including 91 mountain peaks that are a mile or more high. Our geographic location is also important in that eastern habitats meet western ones and southern subtropical habitats meet northern temperate ones. • The natural regions of Texas look different from one another, both in terms of the living aspects (plant and animal communities) and the non-living attributes (topography, geology, soils).

  14. How was the map compiled (made)? • The approach used to compile this map is based on the premise that ecological regions are hierarchical and can be identified through the analysis of the spatial patterns and the composition of biotic and abiotic phenomena that affect or reflect differences in ecosystem quality and integrity (Wiken 1986; Omernik 1987, 1995). These phenomena include geology, physiography, vegetation, climate, soils, land use, wildlife, and hydrology. The relative importance of each characteristic varies from one ecological region to another regardless of the hierarchical level. A Roman numeral hierarchical scheme has been adopted for different levels of ecological regions. http://www.epa.gov/wed/pages/ecoregions/tx_eco.htm#Please%20note:

  15. Assessment Create a Venn diagram that compares the two ecoregions using the given materials. What are some differences between the ecoregions in Texas? (Answers may vary but include varying amounts of precipitation, different temperature extremes, vegetation, soils, land features, etc.) What are some similarities between the ecoregions in Texas? (Answers may vary but could include that each ecoregion contains many types of environments to sustain living organisms.)

  16. Texas’ diversity • Ecological and biological diversity of Texas is enormous. The state contains barrier islands and coastal lowlands, large river floodplain forests, rolling plains and plateaus, forested hills, deserts, and a variety of aquatic habitats. • There are 11 level III ecoregions and 56 level IV ecoregions in Texas and most continue into ecologically similar parts of adjacent states in the U.S. or Mexico.

  17. References • Griffith, G.E., Bryce, S.A., Omernik, J.M., Comstock, J.A., Rogers, A.C., Harrison, B., Hatch, S.L., and Bezanson, D., 2004, Ecoregions of Texas (color poster with map, descriptive text, and photographs): Reston, Virginia, U.S. Geological Survey (map scale 1:2,500,000). • teacherweb.com/TX/DeerparkMiddleSchool/.../EcoRegions-of-Texas.ppt • http://www.tpwd.state.tx.us/publications/pwdpubs/media/pwd_bk_w7000_0030.pdf

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