Browsing by Author "Clark, W. J."
Now showing items 1-9 of 9
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Wahrer, Richard James (Texas A&M University. Libraries, 1981)The valve morphology of twenty four taxa of the genus Eunotia from Texas and Alaska was examined with the light and scanning electron microscopes with particular emphasis on the terminal nodules, raphe, hyaline areas, ...
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Clark, W. J. (Texas Water Resources Institute, 1973-12)A general Limnological Survey was made of the Navasota River, Texas, a tributary of the Brazos River, between February, 1968 and March, 1970. Five stations on the main channel were visited twice monthly from February, 1968 ...
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Davis, Stephen Darrel (Texas A&M University. Libraries, 1974)The objectives of this research were: 1) to determine if leaf age significantly affects leaf resistance to gaseous diffusion in Phaseolus vulgaris at constant light and external CO₂ level, leaf temperature, ambient humidity ...
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Effects of mercury stress on the ecology of culturable heterotrophic bacteria in aquatic microcosms Singleton, Freddie Lynn (Texas A&M University. Libraries, )The objective of this research was to study the development of communities of culturable heterotrohic bacterial communities in aquatic microcosms. Natural and gnotobiotic communities of culturable heterotrophs were disrupted ...
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Allard, David Wayne (Texas A&M University. Libraries, 1982)Littoral and planktonic microcrustacean populations were sampled in Post Oak Lake, Brazos County, Texas, from 19 June 1978 to 21 June 1979. Samples were taken in the pelagic and in two littoral habitats (Typha and Ludwigia) ...
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Van Den Avyle, Michael J. (Texas A&M University. Libraries, 1977)Separate mathematical models for phytoplankton and fish were developed to describe nominal dynamics and responses to single applications of fertilizer in Postoak Lake, Texas. Models were based on data from three fertilization ...
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Johnson, S. K.; Clark, W. J. (Texas Agricultural Extension Service, 1983)
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Phelps, Robert Gene (Texas A&M University. Libraries, 1976)Reestablishment mechanisms were investigated after a riffle microbenthic community had been killed. Kills were found to be correlated with rains and run-off from cultivated fields at the time of increased chemical applications ...
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McGraw, John Leon, Jr (Texas A&M University. Libraries, 1968)