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Obligately Thermophilic Nitrogen-Fixation in Some Soil Bacteria
In the work presented here, it is claimed that bacteria have been isolated which are capable of growth at high temperatures utilizing molecular nitrogen as their sole nitrogen source. Soil bacteria were isolated which grew at 55 C in nitrogen-free media. They were found to be obligatory thermophiles in nitrogen-free media and facultative thermophiles in media containing organically bound nitrogen.
Date:
August 1971
Creator:
Milam, Mary
System:
The UNT Digital Library
A Taxonomic Study of the Family Bacteroidaceae
This study was performed to clarify the taxonomy of the bacteria in the family Bacteroidaceae.
Date:
August 1971
Creator:
Funderburk, Noel Roger
System:
The UNT Digital Library
The Influence of a Return of Native Grasslands upon the Ecology and Distribution of Small Rodents in Big Bend National Park
In the southwestern United States there is a delicate balance between the existing grasslands and the rodent fauna. The purpose of this investigation was to determine the influence of secondary succession of native grasslands upon the ecology and distribution of small rodents. Two methods of determining the rodent species were plot quadrates and trap lines using Sherman live traps.
Date:
August 1971
Creator:
Baccus, John T.
System:
The UNT Digital Library