Ecological Overlay for the Trinity River for support of Development of ...

List of Tables
Table 1. Location of priority gage sites on the Trinity River utilized for hydrological analysis
project (Crespo Consulting 2009)................................................................................................. 20
Table 2. List of legally defined waterbody segments within the Trinity River watershed (TNRCC
2000). Other segments referred to in the text with letter suffixes refer to unclassified tributaries
of these main segments. ................................................................................................................ 25
Table 3. List of fish species previously observed or collected in the Trinity River basin........... 27
Table 4. Biological codes used in tables 3 and 5. ........................................................................ 30
Table 5. Candidate focal invertebrate species in the Trinity River. TWAP SC listings highlighted
in yellow........................................................................................................................................ 34
Table 6. List of aquatic species identified in the Texas Comprehensive Wildlife Conservation
Strategy that are found in the Trinity River basin but not originally nominated by TPWD
biologists....................................................................................................................................... 37
Table 7. List of reservoirs and associated characteristics within the Trinity River Basin............ 39
Table 8. Preliminary list of 7Q2 estimates for various gage sites in the Trinity River Basin
obtained form TCEQ in September 2009. Cell in yellow highlight are priority gage sites......... 60
Table 9. Current 303d listed impaired water bodies within the Trinity River Basin and concerns.
....................................................................................................................................................... 62
Table 10. Mean nutrient loads and mean daily discharge for five priority gage sites in Trinity
River Basin estimated by (Van Metre and Reutter 1995)........................................................... 123
Table 11. Original fish community guilds identified using cluster analysis............................... 148
Table 12. Suggested changes and deletions from original Trinity River fish species list (TPWD
D. Mosier pers. comm.) .............................................................................................................. 150
Table 13. Fish community guilds identified using cluster analysis and reduced species list. ... 153
Table 14. Summary of life history requirements for focal species of fish and invertebrates. .... 186
Table 15. Example of habitat Guilds and Blue Sucker life stage categories derived from depth,
velocity and substrate use and supplemental radio telemetry for the Colorado River. Source:
(Bio-West Inc 2008) ................................................................................................................... 192
3
Environmental Institute of Houston
November 17, 2009
Trinity River Basin
Biological Overlay