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- Department of Animal Science: Faculty Publications (18)
- Animal, Dairy, and Veterinary Science Faculty Publications (3)
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Articles 31 - 34 of 34
Full-Text Articles in Life Sciences
Long-Term Population Fluctuations Of Small Mammals At The Uwm Field Station, James W. Popp, Paul E. Matthiae, Charles M. Weise, James A. Reinartz
Long-Term Population Fluctuations Of Small Mammals At The Uwm Field Station, James W. Popp, Paul E. Matthiae, Charles M. Weise, James A. Reinartz
Field Station Bulletins
Population sizes of four small mammals, Peromyscus leucopus, Microtus pennsylvanicus, Blarina brevicauda, and Sorex cinereus, were monitored for over twenty years at the UWM Field Station. P. leucopus had moderate fluctuations in size, but showed no evidence of cyclic or regular fluctuations. M. pennsylvanicus exhibited dramatic fluctuations with cycles of 3-5 years. Neither shrew species appeared to have cyclic fluctuations. The population sizes of the two shrew species were positively correlated with each other. No other significant correlations were found between species. Population sizes were probably influenced by a number of factors including predation, competition and weather.
Study Of A Small Mammal Population In Bowling Green, Kentucky, Richard Cambron
Study Of A Small Mammal Population In Bowling Green, Kentucky, Richard Cambron
Masters Theses & Specialist Projects
The small mammal population of a restricted study area was live-trapped on the University farm at Western Kentucky University from November 1984 through November 1985. A total of 1800 trap-nights yielded 81 different individuals representing five species. Members of the genera Peromyscus and Microtus were the dominant individuals representing over 90% of the total. Also caught were Mus musculus and Blarina brevicauda. The members of the two major genera were examined for population size and dynamics. In addition, a statistical analysis was carried out on the randomness of the location of the home ranges. This analysis gave evidence that …
Limitations On Spatial Memory In Mice, Robert H.I. Dale, Martin Bedard
Limitations On Spatial Memory In Mice, Robert H.I. Dale, Martin Bedard
Scholarship and Professional Work - LAS
Rats have an impressive ability to remember locations they have visited. Two experiments used an eight-arm radial maze to determine whether mice showed two important characteristics of this spatial memory: its durability, and its dependence on stimuli outside the maze (extreme stimuli). In Experiment 1, food-deprived mice were allowed to eat from four of the eight arms of the maze then, after delays of 5 sec, 1 min, or 5 min, they were permitted to choose the remaining arms. Choice accuracy declined significantly with the longer delays, but always remained above chance. In Experiment 2, the maze was rotated 180° …
Monoclonal Antibodies To Novel Myeloid Antigens Reveal Human Neutrophil Heterogeneity., Edward D. Ball, Robert F. Graziano, Li Shen, Michael W. Fanger
Monoclonal Antibodies To Novel Myeloid Antigens Reveal Human Neutrophil Heterogeneity., Edward D. Ball, Robert F. Graziano, Li Shen, Michael W. Fanger
Dartmouth Scholarship
Three cytotoxic murine monoclonal antibodies that recognize myeloid-specific antigens have been produced by immunization with normal human neutrophils or myeloblasts from a patient with acute myelomonocytic leukemia. Two of these, PMN 6 and PMN 29, are specific for neutrophils; the third monoclonal antibody, AML-2-23, is reactive with the majority of normal monocytes as well as a subpopulation of mature neutrophils. Although neutrophils from all individuals tested expressed these antigens, cytofluorographic analysis revealed that the percentage of cells bearing the PMN 6 and AML-2-23 antigens varied among individuals. Significant additional heterogeneity in the density of each antigen among antigen-bearing cells was …