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Stream and Aquifer Biology of South-Central Texas—A Literature Review, 1973–97

By Robert T. Ourso and C. Evan Hornig

Contents

Abstract

Introduction

Uses of Aquatic Biological Data

Purpose and Scope

Sources of Biological Data

Acknowledgements

South-Central Texas Study Unit

Surface-Water Basins and Ecoregions

Guadalupe River Basin

San Antonio River Basin

Nueces River Basin

Minor Coastal Basins

Edwards Plateau Ecoregion

Texas Blackland Prairies Ecoregion

East Central Texas Plains Ecoregion

Western Gulf Coastal Plain Ecoregion

Southern Texas Plains Ecoregion

Edwards Aquifer Habitats

Stream Biology

Vertebrate Communities

Plant Communities

Species of Concern

Introduced Species

Endangered and Threatened Species

Aquifer Biology

Summary

Selected References

Figures

1-5. Maps showing:

1.  Surface-water basins, ecoregions, and major aquifers of the South-Central Texas study unit, Texas

2. Locations of previous fish studies in the South-Central Texas study unit, Texas

3. Locations of previous fish studies in Bexar, Comal, and Hays Counties, Texas

4. Locations of previous aquatic invertebrate studies in the South-Central Texas study unit Texas

5. Locations of previous aquatic invertebrate studies in Bexar, Comal, and Hays Counties, Texas

Tables

1. Literature citations for biological surveys and field studies in the South-Central Texas study unit, Texas

2. Fish collected in streams of the South-Central study unit, Texas

3. Aquatic invertebrates collected in streams of the South-Central Texas study unit, Texas

4. Aquatic macrophytes in aquatic habitats of the South-Central Texas study unit, Texas

5. Non-native species in aquatic habitats of the South-Central Texas study unit, Texas

6. Federal and State listed endangered and threatened species in aquatic habitats of the South-Central Texas study unit, Texas

7. Troglobitic species of the Edwards aquifer in the South-Central Texas study unit, Texas

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U.S. Department of the Interior, U.S. Geological Survey Persistent URL: http://pubsdata.usgs.gov/pubs/of/1999/ofr99243/ Page Contact Information: USGS Publishing Network Last modified: Thursday, January 10 2013, 11:09:06 PM

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