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Creator:: Carr, John Edward, 1943-
Abstract:: Abies lasiocarpa (Hook.) Nutt. (sub-alpine fir) trees of comparable vigor growing in eastern British Columbia were studied in order to determine the effects of cork bark disease on phellogen and vascular cambium activity. Diseased trees form hard deeply fissured rhytidome several inches thick over large areas of the bole when...
Resource Type:: Dissertation
Full Text:: effects of cork bark disease on phellogen and vascular cambium activity. Diseased trees form hard deeply

Creator:: Smyth, Johanna C.
Abstract:: The transition of mature pollen to the progamic phase represents an important step in the regulation of plant sexual reproduction. The progamic phase encompasses the initiation of pollen tube germination, growth of the pollen tube through the stigma (the silk in maize) and concludes with fertilization of the female gametophyte....
Resource Type:: Dissertation
Full Text:: Johanna C. Smyth for the degree of Doctor of Philosophy in Botany and Plant Pathology presented on

Creator:: Elliott, Braden T.
Abstract:: This thesis merges the fields of Ecology and Anthropology by applying Habitat Suitability Modeling to the relationship between people and plants in the Pacific Northwest. In it, I create and optimize two Maxent habitat suitability models for camas (Camassia spp.) in Oregon. The first model describes the physical environment of...
Resource Type:: Masters Thesis
Full Text:: relationships. Landscape ecology concerns itself with the “concrete space-time system of the total human

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