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Age, Growth, and Food Habits of the Largemouthed Black Bass (Micropterus Salmoides) and the Spotted Bass (Micropterus Puctulatus SSP) in North and East Texas Lakes (open access)

Age, Growth, and Food Habits of the Largemouthed Black Bass (Micropterus Salmoides) and the Spotted Bass (Micropterus Puctulatus SSP) in North and East Texas Lakes

This study is based on the examinations and analyses of 388 largemouthed black bass (Micropterus salmoides) and 118 spotted black bass (Micropterus puctulatus ssp.) which were collected over a period of three years from 9 lakes in the North-Central and East Texas areas. The results should show the following: (1) the average age of the black bass in each of the nine reservoirs in Texas; (2) the growth rate of the bass in these reservoirs; (3) the feeding habits of the bass in all reservoirs studied; (4) a comparison of the growth rates of the largemouthed and spotted basses; and (5) a comparison of the growth rates of bass from Texas and Oklahoma.
Date: 1950
Creator: Cooper, William A.
System: The UNT Digital Library
In Vitro Determination of the Cellulose-Decomposing Rates of Twelve Denton County, Texas Soils (open access)

In Vitro Determination of the Cellulose-Decomposing Rates of Twelve Denton County, Texas Soils

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.
Date: 1950
Creator: Heather, Carl D.
System: The UNT Digital Library
A Grassland Evaluation of the W. A. McKamy Ranch, Denton and Wise Counties, Texas (open access)

A Grassland Evaluation of the W. A. McKamy Ranch, Denton and Wise Counties, Texas

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.
Date: 1950
Creator: Meacham, William Ross
System: The UNT Digital Library
A Quantitative and Qualitative Bacterial Analysis of the Sewage Disposal System of Perryton, Texas (open access)

A Quantitative and Qualitative Bacterial Analysis of the Sewage Disposal System of Perryton, Texas

This investigation had for its purpose the determination of first, the inefficiency of the Perryton, Texas, sewage disposal plant proper; and second the potential effectiveness of a lagoon now used to complete the sewage purification; and consequently, offset an apparent health hazard. The problem, as pursued, has consisted of first, the collection of sewage samples from the six stations listed in Table 1 over the period of time from September 23, 1949 to May 14, 1950; second, a quantitative analysis of each sample in order to determine the number of bacterial organisms present; third, a qualitative analysis of each sample in order to determine more expecially the presence of members of the genera Aerobacter, Escherischia, Salmonella and Shigella; and fourth, an attempt to evaluate the potentialities of the natural purification factors of the lagoon.
Date: August 1950
Creator: Sullivan, Troy G.
System: The UNT Digital Library
A Correlation of the Vegetation with the Soil Types of Haskell County, Texas (open access)

A Correlation of the Vegetation with the Soil Types of Haskell County, Texas

The problem has consisted, first, of a mapping of the soil types present in Haskell County; second, a collection of the existing vegetation of each soil type; third, an identification of the vegetation collected and observed; fourth, and lastly, a comparative study of the vegetation of each soil type in an effort to establish a correlation between the vegetation and the soil type.
Date: 1950
Creator: Tyson, Josiah William, Jr.
System: The UNT Digital Library