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Full-Text Articles in Physical Sciences and Mathematics
Coyote-Food Base Relationships In Jackson Hole, Wyoming, John L. Weaver
Coyote-Food Base Relationships In Jackson Hole, Wyoming, John L. Weaver
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
I measured three variables of coyote-food base relationships in Jackson Hole, Wyoming, during the period July, 1973, to July, 1975. Field work provided estimates of relative coyote and prey abundance as well as observations on coyote feeding behavior during winter. Laboratory analysis of 1,500 coyote scats revealed feeding patterns while feeding trials with captive coyotes allowed refinement in interpretation of scat analysis.
Deer mice and chipmunks comprised most of the rodent biomass captured in traps in the fall, while ground squirrels accounted for much of the rodent biomass in the spring. Field voles declined from 1973 to 1974 throughout much …
Evaluation Of Some Soil Loss Equations For Predicting Sheet Erosion, Douglas Joseph Trieste
Evaluation Of Some Soil Loss Equations For Predicting Sheet Erosion, Douglas Joseph Trieste
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The objectives of this study were (a) to apply sediment and associated plot data from various infiltrometer studies to the parameters in the Universal Soil Loss Equation, a modified version of the original Musgrave Equation, and a modified version of the original Universal Soil Loss Equation, and compare the computed results with the measured soil loss, (b) to suggest reasons for any differences between computed and measured soil loss, and (c) to suggest improvements for each equation so that it will give results near the measured soil loss. The data used consisted of 2805 infiltrometer plots collected by previous researchers …