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Ecological Characteristics of Region K. Region K.

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Presentation on theme: "Ecological Characteristics of Region K. Region K."— Presentation transcript:

1 Ecological Characteristics of Region K

2 Region K

3 Criteria Biological Function: Segments which display significant overall habitat value including both quantity and quality considering the degree of biodiversity, age, and uniqueness observed and including terrestrial, wetland, aquatic, or estuarine habitats Hydrologic Function: Segments which are fringed by habitats that perform valuable hydrologic functions relating to water quality, flood attenuation, flow stabilization, or groundwater recharge and discharge High Water Quality/Exceptional Aquatic Life/High Aesthetic Value: Segments and spring resources that are significant due to unique or critical habitats and exceptional aquatic life uses dependent on or associated with high water quality; or Threatened or Endangered Species/Unique Communities: Sites along segments where water development projects would have significant detrimental effects on state or federally listed threatened and endangered species, and sites along segments that are significant due to the presence of unique, exemplary, or unusually extensive natural communities.

4 Hydrological Features Barton Creek-High water quality/exceptional aquatic life/high aesthetic value - ecoregion stream; high water quality, diverse benthic macroinvertebrate community (Bayer et al., 1992 and Davis, 1998) Endangered Species- Barton Creek Salamander Blanco River- High water quality/exceptional aquatic life/high aesthetic value - high water quality and exceptional aquatic life use Big Boggy Creek Bull Creek- Biological function - nearly pristine stream with a largely intact riparian area displays significant overall habitat value Hydrologic function - largely intact riparian area performs valuable hydrologic function relating to flood attenuation High water quality/exceptional aquatic life/high aesthetic value - high aesthetic value; diverse benthic macro invertebrate community Endangered Species-Jollyville Plateau salamander Cedar Lake Creek-Biological function - undredged bayou with extensive forest and wetlands on border display significant overall habitat value Endangered Species-Reddish egret,Wood stork,Brown pelican

5 Hydrological Features Cont… Colorado River- Biological function - Texas Natural Rivers System nominee Endangered Species- Blue Sucker Cummins Creek -.High water quality/exceptional aquatic life/high aesthetic value - ecoregion stream; diverse benthic macroinvertebrate and fish communities (Bayer et al., 1992; Linam et al., 1999); exceptional aquatic life use Gorman Creek Llano River -Hydrologic function - valuable hydrologic function relating to groundwater discharge of the Edwards Aquifer High water quality/exceptional aquatic life/high aesthetic value - high aesthetic value endangered species- genetic refuge for pure strain Guadalupe bass Little Barton Creek -High water quality/exceptional aquatic life/high aesthetic value - ecoregion stream; diverse benthic macro invertebrate community Little Blanco River - High water quality/exceptional aquatic life/high aesthetic value - ecoregion stream; high water quality, diverse benthic macroinvertebrate community Oatmeal Creek

6 Hydrological Features Cont… Onion Creek - Riparian conservation area - McKinney Falls State Park High water quality/exceptional aquatic life/high aesthetic value - ecoregion stream; high water quality, diverse benthic macroinvertebrate community (Bayer et al., 1992)McKinney Falls State Park Pedernales River -Biological function - National Wild and Scenic Rivers System nominee for outstandingly remarkable wildlife values and significant natural areas (NPS, 1995) Riparian conservation area - Pedernales Falls State Park; Stonewall Park; LBJ State Park; LBJ National Park High water quality/exceptional aquatic life/high aesthetic value - exceptional aesthetic valuePedernales Falls State ParkLBJ State Park Rocky Creek-High water quality/exceptional aquatic life/high aesthetic value - ecoregion stream; high water quality, diverse benthic macroinvertebrate and fish communities

7 Problems in this Region… The protection of bay and estuary inflows is particularly relevant for Region K due to the importance of the Matagorda Bay estuary to the economy and quality of life of the region. Potential impacts from proposed strategies in the 2006 regional plan to the freshwater inflows to Matagorda Bay could be devastating to the region's wildlife and the coastal economy.

8 LCRA-SAWS Water Project Water sharing proposal to develop alternative supplies that could help meet long-term needs in the lower Colorado River basin and the San Antonio area Passed in 1997 Conjunctive use of groundwater during drought Capture floodwaters in off-channel reservoirs Main concern is instream flows, bays & estuaries in drought-of-record $41 million for studies, environmental impact assessments, and plans Between South Central TX (Region L) and Lower Colorado (Region K) –Water Shortfall in Region L San Antonio needs additional supply for mucicipal use –Water Shortfall in Region K Agricultural irrigation Rural communities upstream of Highland Lakes Six-year in-depth study of proposal’s technical, environmental and financial feasibility Study period will determine if project can meet legislative requirements and obtain federal, state and local permits

9 Works Cited http://www.tpwd.state.tx.us/landwater/water/environconcerns/water_qu ality/sigsegs/http://www.tpwd.state.tx.us/landwater/water/environconcerns/water_qu ality/sigsegs/ http://www.texaswatermatters.org/region_k.htm http://www.lcra.org/lswp/index.html


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