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Biology
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UNT Theses and Dissertations
Evaluation in Soil Moisture in Soil and Water Conservation Practices in Denton, Texas
Date: 1940
Creator: Rylander, Halley G.
Description: This investigation has attempted to show that soil and water conservation practices do increase the amount of soil moisture in five of Denton County, Texas soils: Denton clay, Durant clay, San Saba clay, Kirvin fine sandy loam, and Tabor fine sandy loam.
Contributing Partner: UNT Libraries
Permallink:digital.library.unt.edu/ark:/67531/metadc75583/
The Fecundity of the Bluegill (Lepomis Macrochirus) in Certain Small East Texas Reservoirs
Date: 1949
Creator: Estes, Charles M.
Description: A study of reproduction and spawning habits of the bluegill in a particular lake must include adequate samples for each period of the year. This will make it possible to determine the number of eggs in each spawn and the frequency of spawning. The number of spawns and average egg production for various sized fish shows the pattern of activity and makes possible further basic research.
Contributing Partner: UNT Libraries
Permallink:digital.library.unt.edu/ark:/67531/metadc83547/
Food Habit Analysis of the Two Species of Texas Crappie
Date: 1941
Creator: Mitchell Glenn C.
Description: This study is based upon information taken from stomach analysis of 302 black crappie and 561 white crappie; the following data will be presented: 1. Food of adults and fingerlings; 2. Diet variation in relation to food availability; 3. Seasonal variation of feeding habits; 4. Diet variation in relation to size of crappie. Collections were made from ten lakes located in North, East, Central, and South Texas.
Contributing Partner: UNT Libraries
Permallink:digital.library.unt.edu/ark:/67531/metadc75305/
A Grassland Evaluation of Eastland County, Texas
Date: 1951
Creator: Durham, Norman Nevill
Description: This investigation has had for its purpose the determination of first, all members of the Gramineae (Grass) family found in the county; second, the incidence of each species with the various types of soil; third, the grazing value of each species; fourth, the life span of the parent plants; fifth, the present grassland status; and sixth, the potentialities of developing desirable grassland.
Contributing Partner: UNT Libraries
Permallink:digital.library.unt.edu/ark:/67531/metadc96957/
A Grassland Evaluation of the W. A. McKamy Ranch, Denton and Wise Counties, Texas
Date: 1950
Creator: Meacham, William Ross
Description: This problem consists of classifying the four major pastures of the McKamy ranch into McConnell's four categories, by means of examinations based on these qualities and characteristics.
Contributing Partner: UNT Libraries
Permallink:digital.library.unt.edu/ark:/67531/metadc83662/
In Vitro Determination of the Cellulose-Decomposing Rates of Twelve Denton County, Texas Soils
Date: 1950
Creator: Heather, Carl D.
Description: In this study twelve types of top soil were collected under aseptic conditions. The cellulose-decomposing rates of these were compared in order to determine the relative rates in the cellulose-decomposing potential of the microorganisms involved. Furthermore, this investigation is designed to acquire pertinent information on the rate at which natural cellulose materials are returned to available plant food.
Contributing Partner: UNT Libraries
Permallink:digital.library.unt.edu/ark:/67531/metadc83710/
The Incidence of Colon Bacteria on the Hands of North Texas State Teachers College Students
Date: 1946
Creator: Hooper, Eugene
Description: This investigation has for its aim the determination, in a measure, of the degree of personal sanitation existent among students at North Texas State Teachers College, Denton, Texas.
Contributing Partner: UNT Libraries
Permallink:digital.library.unt.edu/ark:/67531/metadc53434/
The Incidence of Escherichia Coli and other Coliform Organisms on Seventy-One Samples of Fresh Fruits and Vegetables Purchased from Eight Grocery Stores in Denton, Texas
Date: 1945
Creator: Scoggin, Frances Grammar
Description: This investigation has for its aim the explanation of the incidence of colon bacteria on a number of food samples purchased in grocery stores of Denton, Texas, by an analysis of correlative sanitary factors.
Contributing Partner: UNT Libraries
Permallink:digital.library.unt.edu/ark:/67531/metadc70357/
An Investigation of Microbial Antagonism in Ten Denton County, Texas Soils
Date: 1951
Creator: Dickey, Charles E.
Description: This thesis is concerned primarily with the growth and detection of soil microorganisms in ten Denton County, Texas, soils antagonistic to a specific gram-positive and a specific gram-negative bacterial organism.
Contributing Partner: UNT Libraries
Permallink:digital.library.unt.edu/ark:/67531/metadc97003/
An Investigation of Selected Factors Related to the Professional Status of the Science Teachers in the Four-Year Accredited High Schools of Texas for the School Year 1952-1953
Date: August 1953
Creator: Whitehead, Oren W.
Description: The purpose of this study is to gather information related to the professional status of the science teachers in the four-year accredited high schools of Texas for the school year 1952-1953. The principal concern of the study is "Who is teaching science?"
Contributing Partner: UNT Libraries
Permallink:digital.library.unt.edu/ark:/67531/metadc130351/