987 resultados para Barrie, Ontario


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Mode of access: Internet.

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Appendices: I. Notes on some fossils from the Cambro-Silurian and Silurian rocks of the Albany river drainage system in northwestern Ontario, by J. F. Whiteaves.--II. Lists of insects, by J. F. Fletcher.

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Second report covers the period 1906-1907.

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Report year ends Mar.

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Issues for 1929- published as: Sessional paper of the Legislative Assembly, no.22-

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Actinobdella inequiannulata was found on the white sucker. Catostomus commersoni, and less frequently on the longnose sucker, Catostomus catostomus, in Algonquin Provincial Park, Ontario, Canada. Catostomus commersoni parasitized with Act. inequiannulata was collected from July to October 1973 and May to October 1974. In May and October, less than 3% of the fish carried leeches. In July, 80% of the fish were parasitized with an average of 1.5 leeches/fish. Observations on leech weight suggest that young leeches attach to fish from May to September, some mature in July, and a second generation of leeches reparasitize the fish in August and September. The mean size of leeches on suckers increased from May until July, after which the size remained relatively constant. Leeches produced characteristic lesions on the opercula of suckers. Fully developed lesions on fish opercula produced by aggregated leeches had varying amounts of central erosion, extravasation, dermal and epidermal hyperplasia, and necrosis.

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During a 4-month period, July 2nd 2014 to November 1st 2014, Canadian physiotherapy (PT) professionals were solicited for participation in an empirical cross-sectional online survey questionnaire. Our research team was interested in exploring the ethical challenges encountered in the interactions between PT professionals and third party payers. Analysis of the survey will be disseminated through scientific publications. The purpose of this report is to give detailed results relevant to your provincial association.

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Spark source mass spectroscopy was used to analyze 61 elements in ten ferromanganese nodules found near Glenora in the Bay of Quinte at the eastern end of Lake Ontario. Most minor elements, including As, Pb, and Hg, have concentrations between 1-100 µg/g. F, S, Co, Zn, and La have concentrations in 100 µg/g range. Ba and Sr are present at levels of 1% and 0.1% respectively. Compared to similar measurements on nodules found in the Great Lakes and in other parts of the globe, values reported here are generally lower. Compared to their marine equivalents, lake nodules appear to be inferior scavengers of minor elements. Examination of all available data corroborates the postulate that marine biological material is an important source of minor elements found in oceanic nodules.

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Ferromanganese concretions from Grand Lake and Ship Harbour Lake in Nova Scotia and Mosque Lake in Ontario are most common in water 0.5 to 2 m deep. X-ray diffraction studies show the ferromanganese portions of the concretions to he amorphous. Petrographic and electron probe studies of the ferromanganese material reveal chemical banding of iron and manganese. Bulk chemical analyses indicate that the Fe:Mn ratios of concretions from different sites within a single lake are similar, whereas concretions from different lakes have characteristic Fe:Mn ratios. Trace element concs are different in different lakes and are generally several orders of magnitude less than those of oceanic nodules.