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Creator:: Doğan, Elif Barc̦in
Abstract:: Mosquito-borne pathogens are the cause of important, often deadly diseases worldwide; and, use of repellents is one of the components of mosquito control programs. The most effective mosquito repellent is N,N-dimethyl-m-toluamide, known as DEET. Speculation on the adverse effects of DEET have been on the rise since the 1980s, and...
Resource Type:: Dissertation
Full Text:: to repellents using a novel olfactometer AN ABSTRACT OF THE THESIS OF Elif Bum Dogan for the

Creator:: Robbins, Richard George
Abstract:: A study of the population dynamics and ecology of the fleas associated with the gray-tailed vole, Microtus canicaudus Miller, was conducted on three sites surrounding the city of Corvallis, Oregon. Over a period of 12 months, 22,641 adult and larval fleas representing three families and eight species were recovered from...
Resource Type:: Masters Thesis
Full Text:: A quantitative survey of the fleas associated with the

Creator:: Brenner, Gregory John
Abstract:: Monitoring wildlife habitats has become important to forest ecosystem management because it provides valuable information about the response of forests and their species to harvest practices, impacts from recreational use, conservation efforts, and natural and human-caused disturbances. Monitoring is a complex task that requires a variety of abiotic and biotic...
Resource Type:: Dissertation
Full Text:: Riparian and adjacent upslope beetle communities along a third

Creator:: Reed, T. L.
Abstract:: The importance of active-entry drift at a community-scale was evaluated by testing whether the placement of wood in streams affected the abundance of Baetis spp. mayflies in drift. Baetis were chosen because they use drift as a behavioral strategy and are important in salmonid diets. The density of woody debris...
Resource Type:: Masters Thesis
Full Text:: ). 24 Trout Creek In collaboration with a fish-movement study conducted by Christine Hirsch

Creator:: Sturgess, Brian Thomas
Abstract:: Chironomidae occurring in stabilization lagoons were studied from 1964 to 1966 in Oregon. Observations of other insects and their impact on the lagoon environment are included. Quantitative data were obtained from two lagoons near Corvallis and qualitative observations from preliminary work on two other lagoons are reported. The objectives of...
Resource Type:: Dissertation
Full Text:: of sewage loading, and by the reversal of loading sequence from primary to secondary cell. A total

Creator:: Ritchie, Calvin Leslie
Resource Type:: Dissertation
Full Text:: IN RELATION T TYPHUS FEVER by CALVII' LESLIE RITCHIE A THESIS submitted to the OREGOi

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