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The vital rates of beluga, Delphinapterus leucas, harvested in northern Quebec are within the range reported by previous studies in Alaska and the Canadian and Soviet Arctic. Small sample size and inadequate estimates of survivorship rates prevent meaningful calculation of population growth rate. The pattern of changes in vital rates over the life cycle of beluga and analysis of errors associated with stage classification indicate that the demographic information in a 6 x 6 age-grouped Lefkovitch matrix is similar to that in a 38 x 38 age class Leslie matrix. A 3 stage, length-based model composed of newborns, juveniles and adults contains less demographic information than the larger matrices, but is superior to a juvenile/adult classification scheme. The 3 stage model applied to length frequency data from aerial photographic censuses should provide an alternate method of demographic analysis when harvests are small or absent. Colour is a poor criterion for stage classification. / Sensitivity analysis of fecundity and survivorship indicates that survival of gray animals (older juveniles and early breeders) has the most influence on population growth rate. Changes in fecundity have little effect on growth rate. The high sensitivity of population growth rate to juvenile and early adult survival demonstrates that these estimates should be improved if more precise knowledge of beluga demography is required for management purposes. / The age-length data used to evaluate errors associated with stage classification indicate that belugas in Hudson Bay are smaller than those elsewhere, but not to the large degree previously reported. Beluga in estuaries are represented by all size classes. Examination of the integumentary heat loss show beluga and narwhal, Monodon monoceros, to be equally insulated, but only belugas frequent warmer estuarine waters.

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There are few areas in Canada which have not at one time or another during the past few decades, been drawn to the attention of the public by the movement into them of people and industry as the result of some local characteristic. At the turn of the century it was the wheat fields of the West and the gold discoveries of northern British Columbia and the Yukon. In recent years it has been the iron ore deposits of northern Quebec, the development of extensive mineral finds in the Great Slave Lake area and the valuable oil discoveries of the Prairie regions. Through the medium of the newspaper, motion picture and radio, the average Canadian citizen today has a reasonable geographic knowledge of much of the country and the associated cultural development. However, there are still areas in Canada about which public knowledge is very meagre, regions which due to geographical remoteness or the lack of physical attributes are overshadowed by the commanding interest held by the more spectacular areas. One of these little known areas is the Hudson Bay Lowland, a region that has a history predating the greater part of Canada yet is comparatively unknown to most of the country's population.

Thesis (M.A.B.S.)--International Christian Graduate University School of Theology, 1987. / Includes bibliographical references.

Thesis (Ph. D.)--University of Wisconsin, 1971. / Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 697-716).

Thesis (Ph. D.)--Columbia University, 1915. / Vita. Bibliography: p. 134.

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