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This archived document is maintained by the Oregon State Library as part of the Oregon Documents Depository Program. It is for informational purposes and may not be suitable for legal purposes.
xi, 124 p. : col. ill. and map.
This archived document is maintained by the Oregon State Library as part of the Oregon Documents Depository Program. It is for informational purposes and may not be suitable for legal purposes.
Effects of habitat and season on guild structure of avian
The avifaunal composition of ten western Oregon forest stands
The effects of enriching the rearing environment of laying hens on their learning ability and behavior were investigated. Day old ISA brown layer chicks were group housed in open floor pens that were either...
Four types of schedule interactions have been defined: positive contrast, negative contrast, positive induction, and negative induction. Most work has centered on the necessary conditions for positive contrast....
The respiratory and metabolic biology of dinosaurs is poorly, if at all, reflected in the fossil record. By comparing anatomical features of modern taxa that are functionally linked to specific biology with the...