Accession Number : ADA095957


Title :   Ecological Survey Data for Environmental Considerations on the Trinity River and Tributaries, Texas.


Descriptive Note : Preliminary rept.,


Corporate Author : STEPHEN F AUSTIN STATE UNIV NACOGDOCHES TX


Personal Author(s) : Fisher,Charles D ; Hall,Darrell D ; Jones,Hershel L ; McCullough,Jack D ; Nixon,Elray S


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/a095957.pdf


Report Date : 01 Jul 1973


Pagination or Media Count : 595


Abstract : The general objective of the study was to provide a base of scientific data to be used in evaluating the ecological significance of future water development plans on the Trinity River. The specific objectives were: (1) to determine the degree of existing eutrophication and water pollution; (2) to study ecological factors influencing the distribution and abundance of fishes, birds, and mammals; (3) to describe and analyze representative plant communities; (4) to describe and analyze terrestrial and aquatic macroinvertebrate communities; (5) to locate geological structures of ecological and economic significance and to analyze their present and potential effects on biotic communities; and (6) to analyze certain lignite deposits for heavy metals and sulfur and analyze their potential effects on biotic communities. (Author)


Descriptors :   *RIVERS , MAMMALS , GEOLOGY , WATER POLLUTION , WATERSHEDS , WATER QUALITY , BIRDS , TEXAS , FISHES , ECOLOGY , PLANTS(BOTANY) , PLANKTON


Subject Categories : Biology
      Geology, Geochemistry and Mineralogy
      Water Pollution and Control


Distribution Statement : APPROVED FOR PUBLIC RELEASE