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Evaluation of Certain Toxic Substances in Segment 0804 of the Trinity River
(Trinity River Authority of Texas, 1986-07)
The purpose of this task is to determine the occurrence, nature and significance of toxic subtances, particularly regarding impacts on the biological community, in Segment 0804 of the Trinity River. Above and beyond this ...
Annotated Guide to the Barnacles of the Northern Gulf of Mexico
(Texas A&M University, 1986)
The 49 species of thoracican barnacles (the goose and acorn barnacles) that are known to occur in the northern Gulf of Mexico are differentiated by a taxonomic key based on external characters, with extensive illustrations ...
Urban hydrology for small watersheds. 2nd edition
(U.S. Dept. of Agriculture, Soil Conservation Service, Engineering Division, 1986)
Technical Release 55 (TR-55) presents simplified procedures to calculate storm runoff volume, peak rate of discharge, hydrographs, and storage volumes required for floodwater reservoirs. These procedures are applicable ...
Taxonomy of Ceriodaphnia (Crustacea: Cladocera) in U.S. Environmental Protection Agency Cultures
(United States Environmental Protection Agency, 1986-09)
This study investigated the taxonomy of three groups of the cladoceran genus (Ceriodaphnia) in cultures being used by the U.S. Environmental Protection Agency. One taxonomic group, having heavy, triangular denticles in a ...
Red tide in Texas: an explanation of the phenomenon.
(Texas A&M University Sea Grant College Program., 1986)
Red tide is a natural phenomenon caused by tiny, single-celled marine organisms called dinoflagellates. Red tides have been around for millions of years. There seems to be a red tide recorded in the Bible. Of the more ...