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1
Donovan, Virginia R. "D'Iberville, Chaussegros de Léry, the Laterrières and Tocqueville Quebec through the prism of Absolutism, the Enlightenment and Romanticism /." Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1180977522.
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Milette, Claude Charles. "Analysis of the interaction between students, teacher, and materials in centre d'interet' projects developed for technical-vocational school programs at the secondary school level in the province of Quebec /." The Ohio State University, 1988. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487588939090383.
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Lepine, Yves. "Strawberry handling in Quebec." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=61839.
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Van, Stempvoort Dale. "Chazy group carbonate sedimentology and diagenesis : southern Quebec." Thesis, McGill University, 1985. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=63375.
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Nadeau, Simon. "Muskrat habitat use in Quebec." Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=39972.
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A study of muskrat population variables in southern Quebec did not allow differentiation between the quality of ditches bordered by corn fields and those bordered by hay fields. Annual turnover of adults and juveniles was very high in both ditch types. The average maximum density of muskrats was the second highest recorded in the literature. Muskrat activity was not predictive of activity of other co-occurring vertebrates. The direct relationship between the logarithm of the number of burrows and the number of muskrats showed the usefulness of this sign of presence as an indicator of population size. Within given ditches, we failed to detect different genetic proximity between adults from successive years between corn and hay ditches. We failed to show that adult genetic proximity within ditches and within years difference between hay and corn ditches. Analyses of adult genetic proximity within and among ditches within a year confirmed the limited dispersal of female muskrat. Muskrat DNA fingerprinting analyses supported the general usefulness of spatiotemporal associations to determine kinship. Habitat use models based on muskrat signs of presence in southern Quebec high clay bank farm ditches showed that muskrat presence was positively associated with water depth, water velocity, and pulpy plant cover (excluding cattail), but was negatively associated with dredging. The type of crop was not important in explaining muskrat presence. In various habitats of the James Bay area, the habitat use models identified a positive relationship with percentages of submerged and floating plant cover, width of the shore herbaceous belt, bank slope and dominance of clay-loam soil on banks. Such models could be used to assess the potential of boreal wetlands to harbour burrow-dwelling muskrats.
6
Di, Iorio Carmela. "The Quebec curriculum reform : perspectives and perceptions." Thesis, McGill University, 2001. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=31100.
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The following research depicts the perceptions and perspectives of thirteen teachers and two principals anticipating the implementation of the Curriculum Reform in Quebec schools. It aims to provide insight into teachers' perceptions of how the anticipation of change, induced by the Reform, is affecting them. It also seeks to provide an in-depth understanding of the world and its relations with others teaching in the context of change that is being brought on by the Reform in schools.This qualitative research takes into consideration two specific questions: What is the lived experience of teachers during the anticipation of the implementation of the Reform? What is the perception of teachers towards the Reform?
Thirteen teachers and two administrators were interviewed, each representing at least one of the elementary, secondary, and high school vocational sectors of the English public education system of greater Montreal. These interviews took place during the Fall of 1999.
7
Xiao, Renmeng. "Passive microwave snow mapping in Quebec." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq29810.pdf.
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MacKenzie, Raymond Wilbert. "Field verification of DRAINMOD for the Quebec region." Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=69549.
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Field water table measurements were taken at two sites in Southern Quebec in order to validate DRAINMOD, a field scale water table management model. Two growing seasons of data were collected on a loamy sand soil near Sorel, Quebec and one year of data on a clay soil to the south-west of Montreal. Several water table management schemes were investigated, ranging from conventional subsurface drainage to automated subsurface irrigation.DRAINMOD was used to simulate the measured water table fluctuations and relative corn crop yields over the growing season. Verification of the model was needed to determine if it could be a useful tool in the design and operation of water table management systems for the Quebec region.
It was found that DRAINMOD output closely simulated the water table fluctuations for conventional drainage and subsurface irrigation plots provided no exceptional circumstances existed. More study is needed in some areas such as bedded fields and in the use of fluctuating water level control structures.
9
Vallée, Michel. "The incidence and prevalence of hypertension in the Province of Quebec /." Thesis, McGill University, 2008. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=111542.
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The objectives of this study were to estimate the prevalence, incidence and lifetime risk of developing hypertension after a given age in the Province of Quebec. An administrative database was used to form a cohort of 20,000 subjects selected in 1987 from a random sample of individuals aged 45 or older, living in the Province of Quebec. These individuals were followed from 1986 to 2003. Incident cases of essential hypertension were selected on the basis of an outpatient diagnosis of hypertension. The Framingham approach was used to calculate incidence rate. The incidence of hypertension in the Quebec cohort was 22 per 1,000 person-years for men and 31 per 1,000 person-years for women; it was higher for women for all the age groups under study. The lifetime risk of developing hypertension for subjects who attained the age of 46 free of hypertension in the Quebec cohort was 66%; this was 20% higher for women than for men (72% compared with 59%). In the Quebec cohort, the incidence of hypertension is very high particularly for women. The data provide evidence that, in Quebec, detection of hypertension is to be maximized, for both men and women.
10
Bastien, Charlotte. "Pesticide levels in agricultural drainage systems in Quebec." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=60528.
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A study was conducted to measure pesticide concentrations from two tile-drained potato fields in Saint-Leonard d'Aston, Quebec. Soil and water samples were analysed for the pesticides metribuzin, fenvalerate and aldicarb in 1989, and for metribuzin and phorate in 1990.Metribuzin concentrations up to 3.47 $ mu$g/l were detected in the tile drain water. Surface runoff samples had metribuzin concentrations up to 47.086 $ mu$g/l. Aldicarb was not detected in any of the water samples. Fenvalerate was detected in surface runoff at a level of 0.05 $ mu$g/l during the 1989 growing season. Phorate was not detected in subsurface drain water in the 1990 growing season.
Pesticide levels were higher in the surface soil layer (0-5 cm), than at 25 cm depth. Fenvalerate was detected at a level of 0.013 $ mu$g/g in the surface (0-5 cm) soil samples. Phorate concentrations of up to 0.020 $ mu$g/g were detected in soil samples. Aldicarb was not detected in the soil samples. Metribuzin was found mostly in the soil surface layer with concentrations of up to 0.23 $ mu$g/g during the 1990 growing season.
11
Rigby, Marion. "Trickle fertigation of bell peppers in Southern Quebec." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=61845.
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Allen, Dawn 1963. "Language, identity, and integration : immigrant youth 'made in Quebec'." Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=84983.
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This study explores the relationships between the integration experiences of adolescent newcomers in one francophone secondary school in Montreal and the current policies and programs related to educational integration. The research draws on observations and participants' descriptions and insights to address three principal questions: How is integration experienced by adolescent newcomers in a francophone school in Montreal? How do these students' experiences inform our understanding of the relationships among host (second) language learning/teaching, integration, and identity construction? What are the implications of these newcomer students' integration experiences for educational theories, policies and programs/practices that target such newcomers? These questions emerge from a consideration of theories of identity construction current in a variety of disciplines.The study offers an overview of Quebec's past and present immigration and integration policies and programs. It considers those policies in light of identity theory and, more specifically, focuses on the relationships between language learning, integration, and identity in the experience of adolescent immigrants within a francophone secondary school in Montreal. Based on interviews and participant observation conducted over 15 months, the study describes the ways in which the participants' integration and identity are shaped by school discourses and the standardizing imperative of most North American educational institutions. Findings suggest that the participants resist the school's discourses in order to assert themselves dialogically and relocate their sense of identity in their host society. However, the dialogic relationships that the students are able to establish with and within the school discourses are imbalanced, leaving several students to feel dislocated both physically and psychically throughout the study. The study indicates that a distributed notion of the Self might improve theory, policy, and pedagogy related to newcomer integration. Finally, specific suggestions are made for building on current educational-integration research and practice.
13
Courchesne, François. "Mechanisms regulating sulfate movement in some podzols from Quebec." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=75774.
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The reaction of sulfate with six podzolic horizons of the Southern Laurentians (Quebec) was investigated using batch reaction techniques. It was demonstrated that sulfate sorption increased with decreasing solution pH to a maximum sorption capacity at around pH 4.0; below this pH retention decreased. This drop in sorption capacity was related to the partial dissolution of Al surface coatings. Indeed, the amount of native sulfate and the maximum sorption during the experiment were positively correlated (R$ sp2$ = 0.982, 0.800) with the oxalate extractable Al content of these forested soils. In all six horizons, the increase in sulfate sorption as a function of equilibrium sulfate concentration was best described by the Gunary equation. Kinetic experiments showed the presence of two major stages in both sorption and desorption reactions with an initial quick change (first 6 h) in solution concentration being followed by a second step where the reactions between sulfate and the soil matrix were much slower. The time-dependence of these reactions emphasized the appropriateness of kinetic equation in describing field situations. Moreover, kinetics studies performed under highly acidic conditions demonstrated that the amount of sulfate sorbed decreased with time after an initial sorption step due to the partial dissolution of Al surface materials. Thermodynamic calculations further suggested the subsequent precipitation of jurbanite. It was then concluded that surface dissolution and mineral formation should be considered in the interpretation of results obtained from experiments aimed at determining the effect of pH on sulfate retention.
14
Wallace, Graeme M. B. "Petrogenesis of the McGerrigle plutonic complex, Gaspe, Quebec." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=63877.
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Brown, Susann Melissa. "Nitrogen mineralization in boreal forest stands of northwestern Quebec." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape16/PQDD_0022/MQ29664.pdf.
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Akerman, Beverly. "Molecular studies of the alpha globin genes in Quebec populations." Thesis, McGill University, 1987. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=66253.
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Couton, Philippe. "Cultural congruence in education : Haitian educators in Quebec schools." Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=23327.
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A growing body of both substantive and theoretical literature suggests that educational underachievement among certain ethnic groups is due to the cultural discontinuity between mainstream education and minority students. A pedagogy that both uses and reinforces the culture of ethnic minority students, implemented by ethnically similar teachers, is therefore thought to contribute to a more constructive school experience and strengthen the social and political status of the ethnic community as a whole. For this thesis, a group of Haitian educators working in Montreal area schools was interviewed to investigate the extent to which this approach is viewed as a potential solution to the low academic achievement of numerous Haitian students. Some evidence was found that culturally congruent education is, according to the experiences of some of the respondents, a potentially beneficial strategy to curtail educational inequality. In was generally argued, however, that this should be a limited, remedial strategy with little bearing on the communal survival of the Haitian community.
18
Owusu-Manu, Michael. "Economic feasibility of minimally processed pork and fish in Quebec." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape16/PQDD_0005/MQ29760.pdf.
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Henry, Kevin A. "Exploring population structure and migration with surnames : Quebec, 1621-1900." Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=85167.
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This research uses isonymy (same-surname) methods and models to examine the population structure and migratory history of Quebec, Canada. Through a case study using 1765 and 1881 census and marriage records from 1621-1900, I explore the accuracy of sources as well as develop, test and apply different statistical methods, and experiment with mapping techniques that reveal paths and patterns of French Canadian surnames. Each investigation explores and evaluates a particular method. I noted that multivariate methods, including cluster analysis, relevance networks, and correspondence analysis, not traditionally used in surname analysis offer reliable and informative results, and insights into the hierarchical structure of populations not easily gleaned from traditional surname methods. The spatial and temporal components of Quebec surname distributions revealed that groups of names which populate and distinguish certain regions were in place by 1800, and cross-river relatedness became less significant as the population expanded upstream away from the St. Lawrence River. I also found that surnames unique to certain regions remained strongly clustered until the mid-nineteenth century when urbanization and the settlement of new territory led to the fusion of name pools (diversification) in and around urban areas, while at the same time causing losses of names in some rural areas. The marriage records provided evidence, through their measure of random mating, that surnames within different regions in Quebec continually diversified throughout the nineteenth century. Overall, I found surnames to be an informative variable for inferring population relatedness and migratory paths. Because surnames are readily available in a number of sources researchers involved with historical migration research should find that the methods presented in this work will provide a time-saving technique which can overcome the restrictions of spatial and temporal scale an
20
O'Hara, J. Martin (John Martin) 1922. "Student attitude towards school in Quebec English secondary schools." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=55623.
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Chisholm, David Andrew. "The early experiences of a governing board in Quebec /." Thesis, McGill University, 2003. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=79752.
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Since 1998, school governing boards have been Quebec's answer to the trend towards school-based management. This study investigates the experiences of two parent representatives on a school governing board and a school board administrator in the early years of Quebec's effort to decentralize educational governance. The literature suggests that school-based management can be found in various degrees, but that it is not always successfully implemented. Obstacles related to school-based management include how school governing boards are composed, how their powers are defined, and the nature of their relationship with their school boards. Evidence from the three participants suggests that these obstacles may threaten the credibility of school governing boards. The study concludes with recommendations for improving the effectiveness of school governing boards in Quebec.
22
Luu, Thuy-Mai. "Use of special health care services by infants born extremely prematurely in the province of Quebec." Thesis, McGill University, 2008. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=116120.
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To compare health care use from neonatal discharge to 18 months corrected age of two groups of extremely preterm children (< 26 vs. 26-29 weeks of gestation), we used a province-wide database containing neonatal and follow-up data on 254 infants (77% of survivors) born at < 29 weeks of gestation and cared for at 3/6 neonatal units in Quebec in 2003-2004. Neonatal data were abstracted from medical records by trained personnel. At 18 months corrected age, neurodevelopmental status was assessed by psychologists and paediatricians. Data on health care use were collected from charts and parent interviews. Descriptive statistics are provided and logistic regression analysis was carried out to evaluate perinatal and social determinants of re-hospitalization and frequent use of health services resources. Results show that 57% of infants born at < 26 weeks (n=49) and 49% of those born at 26-29 weeks (n=205) were re-hospitalized, mostly for respiratory illness. Both groups used a significant amount of health resources: 61% vs. 59%, respectively, received physical or occupational therapy, 29% vs. 17%, respectively, required long-term rehabilitation, 38% vs. 28%, respectively, used prescribed medication, and 59% vs. 33%, respectively, required home medical equipment (home oxygen, apnea monitors, orthopaedic devices and visual aids). Risk of re-hospitalization was associated with severe brain injury, use of an apnea monitor, and older age at neonatal discharge. Multiple birth, severe brain injury, suspected neonatal sepsis, and single-parent household were independently associated with the risk of using health care services above average. These results highlight the importance of resource allocation to preterm infants for medical and rehabilitation services after discharge from the neonatal intensive care unit.
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Drouet, Marc Philippe. "An economic analysis for subsurface irrigation of maize in Quebec /." Thesis, McGill University, 1989. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=59547.
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The purposes of this thesis are to examine experimental results obtained with subsurface irrigation of maize in 1988, and to provide preliminary plans and an economic analysis for the subsurface irrigation of maize in Richelieu County, Quebec. A mean increase in maize yield of 3.7 % was observed in 1988 on experimental plots with subsurface irrigation at the Charbonneau farm. However, a review of results obtained at the same experimental site from 1982 to 1988 indicated that the mean increase in maize yield with subsurface irrigation was 29 %.Plans for two possible water supply systems designed to provide 180 mm a year of irrigation water for the subsurface irrigation of 1,250 ha in Richelieu County were considered. An economic analysis indicates that subsurface irrigation using groundwater has the greatest net benefits with an internal rate of return of 22.92 % and benefit to cost ratios of 1.90, 1.72 and 1.56 for discount rates of 8 %, 10 % and 12 % respectively. However, much of the groundwater in this region is saline and its use for irrigation may need to be restricted. Subsurface Irrigation using surface water from the Yamaska River was also profitable with an internal rate of return of 17.31 % and benefit to cost ratios of 1.66, 1.46 and 1.30 for the same discount rates.
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Hughson, Robert Carl. "Upper silurian carbonates of Lake Memphremagog and lime ridge areas, Quebec." Thesis, McGill University, 1987. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=63996.
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Almaraz, Suarez Juan Jose. "Climate change and crop production in southwestern Quebec : mitigation and adaptation." Thesis, McGill University, 2007. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=103364.
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Anthropogenic greenhouse gas emissions are the main cause of increasing global temperatures. Climate change will affect crop production in Canada and, in turn agriculture has the potential to mitigate climate change. Analysis of historical climate and corn yield data, and field and greenhouse experiments were carried out in order to study the effect of climate variability and changes on corn yield, the adaptability of cropping systems to climate change conditions, the effect of tillage on soil greenhouse gas emissions (CO2 and N2O) associated with corn and soybean production, and the potential of Nod factors to increase biomass as way to mitigate CO2 emissions. In southwestern Quebec, corn yield variability has been strongly associated to July temperature and May precipitation during the last three decades. Field studies showed that switchgrass and sorghum-sudangrass were best adapted to dry and warm climate events. No-till improved corn yield when spring temperatures were warmer than normal. Soil CO2 fluxes were associated with temperature, while soil N2O fluxes were associated with precipitation. Conventional tillage (CT) had greater CO2 emissions than no-till (NT), particularly after disking in the spring. Both tillage systems had large N2O emission peaks during the wettest part of the season. In corn, peaks of N 2O occurred after nitrogen fertilizer application. NT had greater N 2O emissions than CT in the corn production systems; however, CT had greater N2O fluxes than NT in the soybean production system. Nod factors sprayed on soybean increased photosynthesis and biomass under controlled conditions. In the field, yield was increased by Nod factors under CT, but not under NT, and drought reduced the soybean response to Nod factors.Les émissions anthropogènes de gaz à effet de serre sont la cause principale de l'augmentation globale des températures. Les changements climatiques vont affecter la production agricole au Canada, et en retour, l'agriculture pourrait limiter les changements climatiques. L'analyse de données historiques du climat et des rendements de maïs, combinés avec des expériences de serre et en champ ont été entreprises pour étudier l'effet de la variabilité et des changements de climat sur le rendement de maïs, l'adaptabilité des systèmes agricoles aux changements climatiques, l'effet du travail du sol sur les émissions de gaz à effet de serre (C02 et N20) associées avec la production de maïs et de soya, et le potentiel des facteurs Nod d'augmenter la biomasse pour limiter les émissions de CO2. L'analyse des données historiques ont démontré qu'au sud-ouest du Québec, la variabilité des rendements de maïs est fortement associée avec les températures de juillet et les précipitations de mai pendant les dernières trois décennies. Les expériences au champ ont démontré que le panic raide, et le sorghum-sudangrass sont les mieux adaptés aux conditions chaudes et sèches. Le semis direct a augmenté les rendements de maïs lorsque les températures printanières étaient plus chaudes que la normale. Les flux de C02 étaient associés avec la température, mais les flux de N20 étaient associés avec les précipitations. Le travail du sol conventionnel (CT) a produit plus d'émissions de CO2 que le semis direct (NT), particulièrement après le disquage au printemps. Les deuxsystèmes ont montré un large pic d'émission de N20 pendant les périodes les pluspluvieuses. Dans le maïs, les pics de N20 ont été détectés après la fertilisation enazote. NT a montré des émissions de N20 plus importantes que CT en productionde maïs, mais CT a montré des flux de N20 plus important que NT en productionde soya. Les facteurs Nod vaporisés sur le soya ont augmenté la photosynthèse etla biomasse sous conditions controllées. Au champ, le rendement a été augmentépar les facteurs Nod sous CT, mais pas sous NT, et la sécheresse a réduit laréponse du soya aux facteurs Nod.
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Tao, Zhisong. "Pricing efficiency in the Quebec feed ingredient market." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0002/MQ44295.pdf.
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Memon, Nisar Ahmed. "Experiments with subsurface irrigation and drainage on a sandy soil in Quebec." Thesis, McGill University, 1985. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=72002.
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Field experiments were conducted on St-Samuel sandy loam soil in 1982 and 1983, with eight replicates of irrigated and non-irrigated maize plots. Soil moisture regime, root density and maize yields were determined to demonstrate the effect of subsurface irrigation and drainage systems.Laboratory experiments were conducted on large and small undisturbed soil cores to determine pertinent soil properties, relating drainable volume and steady upward flux to water table depth.
A water balance model was developed and used with a stress-day-index to predict water table depth, excessive and deficit soil moisture conditions and effects on corn yield. Economic analyses were made to identify subsurface irrigation/drainage designs which optimize the profit for a corn crop.
A simple method based on first and second order moments was proposed to determine the effects of parameter uncertainty in the relationship of steady upward flux vs water table depth on subsurface irrigation/drainage design parameters.
Based on the above information, a realistic subsurface irrigation/drainage design was proposed and operational recommendations were made for an example field.
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Aneja, Urmi. "Economic feasibility and market potential of "modified" butter in Quebec." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape16/PQDD_0001/MQ29646.pdf.
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Boone, Erica Rechnitzer. "Petrology and tectonic implications of the hellancourt volcanics, Northern Labrador Trough, Quebec." Thesis, McGill University, 1987. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=63820.
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Shanmugam, Ramaradj. "Efficiency and productivity of Quebec dairy farms." Thesis, McGill University, 1998. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=20234.
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The analysis of cost and profit efficiencies of a sample of 588 Quebec dairy farms shows significant potential to reduce costs and increase profits. In general, the small farms were more cost efficient while large farms were more profit efficient. Increased use of farm grown feed was associated with higher efficiency while increased use of concentrates was associated with lower efficiency.The productivity of individual dairy farms were estimated using data envelopment analysis. The average annual growth rate of productivity was 0.70% with a standard deviation of 2.44% for the 1987--93 period. The Spearman's rank correlation coefficient did not show any significant relationship between farm size and growth rate.
The Artificial Neural Networks (ANN) approach, used for the first time to estimate technical efficiency, performed equally as good as the regression models in modeling the technology especially at the higher levels of output. The efficiency values estimated using ANN were higher than that estimated by ordinary least squares method. The results indicate the existence of significant potential for improving the efficiency of resources on Quebec dairy farms.
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Gauthier, Julie. "Genetic investigation of pervasive developmental disorders in the Quebec population." Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=100369.
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Pervasive developmental disorders are a group of neurodevelopmental-neuropsychiatric disorders that are characterized by variable and severe pervasive impairments in several areas of child development, notably social interaction, communication and imagination. They all share clinical features but differ in the severity and age of onset of the impairments. Except for Rett Syndrome (RTT), the etiology of these disorders is unknown, but there is strong evidence that genetic factors contribute to their pathogenesis. While no major genes have been linked to theses disorders linkages, association and chromosomal studies suggest that many loci may be involved.One aim of the present study was to search for genetics variants associated with autism and other related disorders. This study represents the first family-based association study looking at the entire X chromosome using a French-Canadian autistic population, a genetically homogenous group. We found association between autism and markers at two loci. Our results support the existence of a putative gene located on the X chromosome and moreover the founder effect, in the French-Canadian population, may provide greater power to fine map disease genes especially in complex traits.
The second aim of the present thesis was to confirm the involvement of the MECP2 gene in our RTT group of patients. While we confirm the presence of mutations in this gene in our cohort of RTT patients we also demonstrated that clinical stringency greatly influences the mutation detection rate for this disorder.
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Wallace, Ian 1960. "Mapping forest decline risk factors in the Quebec Appalachians." Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=23250.
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The causes of recent episodes of forest decline in Canada have not yet been fully determined. Current explanations include the effects of acid depositon as well as natural causes such as climate stress. This thesis takes a geographic approach and undertakes risk-response comparisons in order to examined the problem of maple forest dieback in the Appalachian region of Quebec. Geographic Information Systems are used to map a series of forest decline risk factors relating to soil characteristics and topography. The individual risk factors, as well as models comprising weighted combinations of risk factors, are compared with actual defoliation patterns. Forest defoliation is determined using areal survey data and satellite imagery. Although statistically significant associations were obtained between defoliation patterns and several risk factors, the amount of association was not strong enough to conclude that these factors are dominant causes of forest decline.
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Lavoie, Gilbert. "Economics of soil compaction due to machinery traffic in Quebec." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=61844.
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Allen, Shanley E. M. (Shanley Elizabeth Marilou). "Acquisition of some mechanisms of transitivity alternation in Arctic Quebec Inuktitut." Thesis, McGill University, 1994. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=28656.
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This thesis discusses the first language acquisition of three morphosyntactic mechanisms of transitivity alternation in arctic Quebec Inuktitut. Data derive from naturalistic longitudinal spontaneous speech samples collected over a nine-month period from four Inuit children aged 2;0 through 2;10 at outset. Both basic and advanced forms of passive structures are shown to be used productively by Inuktitut-speaking children at an early age relative to English-speaking children, but consistent in age with speakers of non-Indo-European languages reported on in the literature; potential explanations of this difference include frequency of caregiver input and details of language structure. Morphological causatives appear slightly later in the acquisition sequence, and their first instances reflect use of unanalyzed routines. Lexical causatives are present from the earliest ages studied. Evidence of a period of overgeneralization of lexical causatives in one subject at the same time as the morphological causative shows signs of being productively acquired suggests that the seeming overgeneralization may reflect nothing more than as yet unstable use of the morphological causative. Noun incorporation structures are shown to be used productively by Inuktitut-speaking children at an early age relative to Mohawk-speaking children; potential explanations of this difference include details of language structure and relative language use in the environments of the learners. Findings are considered in light of current debates in the literature concerning continuity versus maturation of grammatical structure, and concerning the functional categories available to the child at early stages of acquisition. Data presented argue against maturation, and suggest that all functional categories can be accessed by the Inuktitut-speaking child early in the acquisition process.
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Papineau, France. "Land and water appraisal for irrigation in Richelieu and St-Hyacinthe counties, Quebec." Thesis, McGill University, 1987. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=61275.
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Suitable areas for subirrigation and sprinkler irrigation were identified in Richelieu and St-Hyacinthe counties.Land suitable for subirrigation includes uniform sandy textured profiles deeper than 1 m, with hydraulic conductivities greater than 0.5 m/d and lying on a clay layer at approximately 2 m from the surface, and with slopes less than 0.5% and little or no microrelief.
Soils that failed to satisfy the subirrigation criteria and that would most benefit from sprinkler irrigation were identified. These soils had available water holding capacities of less than 7.5 cm per 100 cm of soil. Most of the soils suitable for sprinkler irrigation were shallow sand (50 cm) over clay.
Both the Richelieu and St-Lawrence Rivers could meet the flow demand for the total irrigated area. However, 57% of the subirrigable land is located at more than 20 km from the Richelieu and St-Lawrence and could be more economically supplied by the Yamaska River. The Yamaska River could supply all the subirrigated land in its vicinity (4 900 ha) and part of the land suited for sprinkler irrigation (1 000 ha) 4 out of 5 years. (Abstract shortened by UMI.)
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Tichoux, Henri. "Model comparison of three irrgation systems for potato production in Quebec." Thesis, McGill University, 1999. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=30756.
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The purpose of this thesis is to design a computer model which compares three sprinkler irrigation systems---portable pipe with volume gun, traveller with volume gun and towable/non-towable centre pivot---for potato production. The model user is required to enter a set of basic data: crop and field conditions, irrigation technical parameters and basic economic data, following which the model establishes the preliminary irrigation system and a comparative investment analysis. The model was applied and tested on a potato farm situated in Notre-Dame-de-la-Paix (southwestern Quebec). Based on a 14-year climatic analysis, supplemental irrigation for a normal rainfall growing period (368 mm) was estimated at 250 mm. The application of the model indicates that for a normal rainfall period with an assumed yield increase of 25% over non-irrigated production, all three systems provide net profits (increases of 11% to 50%). However, when determining the Internal Rate of Return (IRR) on a 10-year period, the maximum rate attained by the more profitable systems---portable pipe and non-towable centre pivot (both with an electric pump)---was 14%, a rate inferior to the IRR for non-irrigated production (17%). The Net Present Value (NPV) analysis for the two most profitable irrigation systems provided a slightly higher NPV value for irrigated than for non-irrigated production ($10,942---irrigated vs $10,522---non-irrigated production). The payback period for those two irrigation systems was 7 years. Greater gains of irrigated over non-irrigated yields would be expected for a dry period because of low and unpredictable yields in non-irrigated conditions. A farmer planning to invest in an irrigation system must carefully investigate all technical and socio-economic aspects. The model presented gives the farmer a useful tool with which to do this.
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Legault, Benoit. "Measuring risk attitudes of Quebec dairy and hog producers." Thesis, McGill University, 1990. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=59539.
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The objective of this study is to investigate the degree of risk aversion towards investment in the Quebec hog and dairy sectors. The Direct Elicitation of Utility function was employed to determine producers' degree of aversion to risk. The Delphi technique was also introduced as a means of obtaining more refined and realistic information. The highly diverse risk attitudes which vary between extremely concave and extremely convex utility functions indicate, on average, a slightly risk averse behaviour for both farming groups. Dairy producers have 69% risk-averse, 10% close to risk-neutrality and 21% risk-loving individuals for the $100,000 investment game in the EP format. These figures are respectively 69 %, 6 % and 23 % for hog producers. Hog farmers are found more averse to risk than dairy producers, but more significantly at higher levels of investment. Integrated and non-integrated hog producers do not show any conclusive differences with respect to their risk preferences.
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Beaulieu, Frederic. "The community of higher Diptera associated with sedge meadows (Carex, Cyperaceae) in southern Quebec /." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=31191.
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The higher Diptera (Brachycera) fauna of sedge meadows (Cyperaceae, Carex) was studied at the Lac St. Francois National Wildlife Area in southern Quebec. Flies were collected weekly from May to October 1999 using sweeping and pan traps at three sampling sites representing two types of Carex habitat. Over 10,000 specimens, representing 34 families and more than 300 species, were collected. Dolichopodidae, Chloropidae, Sciomyzidae, Syrphidae and Sphaeroceridae were highest in species richness in all sites, and Ephydridae were very high in two of the sites. The above families, along with Phoridae, Chamaemyiidae and Muscidae, were also the most abundant. Overall species composition differed between sites and is apparently influenced by the type of vegetation and substrate. Correspondence analysis was used to investigate the habitat preferences of the 37 most abundant species. The feeding habits and host plants of many Diptera species were newly established by rearing adults from plants infested by larvae.
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Perrone, Jim T. "Hydrologic modeling of an agricultural watershed in Quebec using AGNPS." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ29763.pdf.
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Pelletier, Georges. "Plants and arthropods associated with orthopteroids in abandoned fields of Southern Quebec." Thesis, McGill University, 1986. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=65377.
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Matheson, Mary M. "Insects associated with cattle dung in Southern Quebec." Thesis, McGill University, 1987. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=63895.
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Achoka, Judith Serah K. "The role of the secondary school principal in Quebec English schools /." Thesis, McGill University, 1990. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=59817.
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The purpose of this study was to examine the role of the secondary school principal in anglophone Quebec. A sample of eighteen experienced principals were interviewed in-depth about their role expectations, sources of role conflict, and their sense of ambiguity.Role ambiguity appeared to be non-existent in the principalship. Expectations and conflicts were identified with regard to students, teachers, parents, community members, and principal's superiors. The principalship was clearly more a managerial than leadership role. Principals were responders to a series of problems and issues. They orchestrated responses. Instructional leadership was not a part of their role.
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Coulibaly, Housseini Diadié. "Drinking water quality and management strategies in small Quebec utilities." Doctoral thesis, Université Laval, 2003. http://hdl.handle.net/20.500.11794/17867.
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La présente thèse porte sur une étude des petits systèmes municipaux du Québec (en l’occurrence, ceux desservant 10 000 personnes ou moins) et comporte trois volets. Le premier volet se focalise sur un portrait historique de la qualité de l’eau distribuée et sur les stratégies de gestion. Parallèlement, il met l'historique de la qualité et les stratégies de gestion en relation avec certains paramètres importants de la qualité de l’eau. Les résultats de ce volet montrent que pour les systèmes s’approvisionnant en eau de surface et pratiquant uniquement une chloration, la différence entre le nombre annuel moyen de rinçages des systèmes ayant connu des problèmes de qualité et ceux n’ayant pas connu de tels problèmes s’est avérée statistiquement significative. En plus, certains indicateurs de la pression agricole sur le territoire des municipalités concernées apparurent significativement corrélés avec les épisodes de coliformes. Le deuxième volet porte sur une étude de la variation spatio-temporelle de la qualité de l’eau dans dix petits systèmes. Ces systèmes furent répartis en deux groupes : quatre systèmes qui n’ont jamais ou ont rarement distribué de l’eau dérogeant aux normes microbiologiques provinciales relatives à l’eau potable et six systèmes qui ont très souvent dérogé auxdites normes. Les résultats montrent que les différences entre les deux groupes de systèmes sont essentiellement imputables aux teneurs en chlore résiduel libre et au nombre de colonies de bactéries hétérotrophes aérobies et anaérobies facultatives (BHAA) dans les réseaux de distribution correspondants et, dans une moindre mesure, aux doses de chlore appliquées. Le troisième volet inclut trois parties : la première est un portait des caractéristiques d’opération, de l’infrastructure et de la maintenance ; la deuxième est consacrée au développement d’indicateurs de performance pour les petits systèmes ; alors que la troisième traite des facteurs humains et organisationnels. Le portrait a révélé des tendances intéressantes qui ont presque toutes été confirmées par les indicateurs de performance des systèmes de distribution. Les facteurs humains et organisationnels dégagèrent des aspects tels que les antécédents scolaires, la formation complémentaire, l’expérience, la bonne conscience des nouveaux défis, le niveau de préparation pour y faire face, et l’appui des autorités locales. Dans son ensemble, cette recherche aura permis de procéder à une étude exhaustive des stratégies de gestion de la qualité de l’eau potable généralement mises de l’avant par les gestionnaires de petits systèmes et de développer des outils explicatifs pouvant guider utilement leur action, de même que celle des gestionnaires relevant des divers paliers gouvernementaux.This thesis presents a study of small Quebec municipal utilities (i.e., serving 10,000 people or fewer) and includes three chapters. The first chapter focuses on a portrait of historical quality of distributed water and on management strategies. Concurrently, it puts historical quality and management strategies in relation to certain important water quality parameters. Results show that for surface water utilities using chlorination alone, the mean difference of annual system flushings between utilities that have experienced difficulties with historical quality and those not having experienced such difficulties proved statistically significant. In addition, some agricultural land-use indicators within the municipal territory appeared significantly correlated with coliform occurrences. The second chapter studies the spatial and temporal variation of drinking water quality in ten small utilities. These utilities were divided into two groups: four utilities that had never or rarely served water violating the provincial drinking water microbiological standards and six utilities that very often infringed upon said standards. Results show that the differences between the two groups of utilities are associated essentially with maintained chlorine residuals and heterotrophic plate count bacteria populations in corresponding distribution systems and, to a lesser extent, to the applied chlorine doses. The study includes three distinctive parts: the first one is a portrait of studied utilities’ operational, infrastructure, and maintenance characteristics; the second part is devoted to development of indicators of performance for the same utilities, whereas the last part deals with human and organisational factors. The portrait revealed interesting trends, most of which had been confirmed by utility performance indicators. As for human and organizational factors, they allowed highlighting such issues like educational background, supplementary training, experience, awareness of and preparedness to take up new challenges, and support from local authorities. Overall, this research enabled a thorough investigation of management strategies the most popular with small drinking water utilities and the development of explanatory tools that may usefully guide action from local managers and government bodies.
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Dürr, João Walter. "Genetic and phenotypic studies on culling in Quebec Holstein cows." Thesis, McGill University, 1997. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=34635.
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A series of studies were conducted to evaluate genetic and phenotypic aspects of culling, herd life and survival in Quebec Holstein herds. Data consisted of lactation records obtained from the Programme d'Analyse des Troupeaux Laitiers du Quebec (PATLQ) files, which included 2.2 Million records before the editing procedures. The average productive herd life in Quebec herds was approximately 33 months, corresponding to an average replacement rate of MIND, for both milk recording options. Herds enrolled in the PATLQ official option had cows with longer calving intervals and culled their heifers earlier than herds in the owner sampler option. The probability of being culled for each major reason for disposal was assessed by logistic regression models, and it was shown that culling for low production (voluntary) had a clearly descending trend from 1981 to 1994, while involuntary culling (assumed to include all the reasons other than production) increased in importance mainly because of the ascending trends observed for cuffing due to reproductive problems, mastitis and feet and legs problems. Proportion of cows culled for involuntary reasons increased with parity number, but the opposite occurred for culling due to low production. Herds in the official option culled less for mastitis and sold more cows for dairy purposes than owner sampler herds. After these preliminary studies, a sequence of Weibull models were fitted to analyze different aspects of the data. The genetic study of herd life traits focused on differences between sires regarding true and functional herd life, but also described the effect of different explanatory variables on the failure time variable. Heritability for true and functional herd life was, respectively, 0.09 and 0.08 in the log scale and 0.19 and 0.15 in the original scale. The difference in the median survival time of daughters of bulls with extreme proofs for functional herd life was 1.7 lactations. Quebec dairymen use classification fo
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Cooke, Amy M. "An assessment of girls' artistic gymnastics in clubs of Quebec /." Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=26728.
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This study investigated the degree to which girls' artistic gymnastics clubs of Quebec are meeting the expectations currently held of them. Parents of participants and coaches from three clubs in each of three different geographic regions were asked to fill out questionnaires. Respondents were asked to rate the degree to which they felt clubs were meeting participants' needs in four categories of objectives. The categories were: Participation, Program, Instruction and Development. Comparisons were made between groups of respondents and geographic regions. An analysis of variance was done on the data in each of the four categories. While the percentage of returns from both parents and coaches was discouraging, it was found that, in general, both instructors and parents are satisfied with what their clubs are providing. In all categories of objectives the ratings obtained were high. The analysis showed a significant difference between parents and coaches in the Participation category as well as between geographic regions for the Instruction category. It was found that coaches have a more favorable opinion than do parents of their clubs' abilities to meet Participation needs. It was also determined that respondents from the urban area had more positive attitudes toward their clubs' abilities to meet participants' Instruction needs than did those from the rural region.
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Achab, Aïcha. "Chitinozoaires de l'ordovicien du quebec, canada : biostratigraphie et provincialisme." Rennes 1, 1987. http://www.theses.fr/1987REN10029.
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Ce travail presente une synthese des resultats acquis sur la stratigraphie des chitinozoaires ordoviciens du quebec. 22 biozones ont ete distinguees puis correlees avec les zones de graptolites et de conodontes. Dans la deuxieme partie, la notion de provincialisme est abordee. La comparaison des microfaunes quebecoises avec celles d'autres regions du monde et de meme age montre que la distribution des chitinozoaires n'est pas uniforme
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Pazzia-Guiducci, Olga. "An exploratory study of derogation in Quebec : the case of three students." Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=85197.
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This qualitative study investigates the consequences of advancing three preschoolers into kindergarten in the province of Quebec, where the derogation exemption enables younger children to start school before they reach the age of admission of five years by September 30th. The rationale for this study came from an interest to discover the perspectives of the students, their teachers, and their parents on the topic of derogation. This study examines how these students, one in grade 4 and two in grade 6, feel about being the youngest in the class, and how teachers and parents perceive them as learners and socializers. The research design is based on an exploratory qualitative case study approach. The methods used to collect the data consist of interviews conducted with the three selected students, their homeroom teachers, and two parents; observations of the students in their school settings, and the analysis of documents such as field notes and journal entries. The interviews are analyzed within a socio-cultural interpretive framework in order to examine the way that derogation has affected the social and emotional lives of the three selected children. Vygotsky's zone of proximal development is explored. This concept presents the idea that children develop their learning potential in a setting where they can learn with more capable peers and adults who provide guidance and support. When these younger children are advanced into a kindergarten class, they are placed in a setting with older peers and adult teachers. One of the issues addressed in this study is how the social milieu encourages derogated children to develop their cognitive approach to problem solving and learning. The themes that emerged from this study include the importance of parental support, peer acceptance, and self-esteem. The younger derogated students are more likely to experience success in their academic and social-emotional lives if they have good parental support, a
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Riley, Cyrena. "The arthropod nest fauna of house sparrows and tree swallows in southern Quebec /." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=31530.
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The diversity and abundance of the arthropod nest fauna of House Sparrows (Passer domesticus (L.)) and Tree Swallows (Tachycineta bicolor (Vieillot)) in southern Quebec were studied. Over 90,000 arthropods were extracted from the nests, including at least 71 species (50 families) of insects and at least 11 species (8 families) of mites. There were no significant differences in the species richness or diversity of nest arthropods from year to year (1997--1998), or from nest to nest within either host species. There was no significant difference in the overall species richness or diversity between House Sparrows and Tree Swallows. Cluster analyses of species richness and three diversity indices for all nests showed no clustering according to bird species. However, there were some significant differences in the abundance and diversity of particular arthropod taxa between the two bird species, with different ectoparasitic and non-ectoparasitic species dominant in the nests of each host species.
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Klenk, Nicole. "Controls on nutrient availability in black spruce forests of northwestern Quebec." Thesis, McGill University, 2001. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=33012.
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The presence of mosses in black spruce forests is known to have an important impact on the availability and abundance of nutrients in this ecosystem. Mosses contribute to long-term accumulation of organic matter and storage of nutrients as well as to short-term nutrient release. In the boreal forest of northwestern Quebec, the effect of mosses on nutrient cycling was examined within the framework of a chronosequence ranging from 25 to 300 years of age. Laboratory and buried bag incubations, total nutrient digests, respirometric and root abundance measurements as well as moisture and temperature measurements were done to characterize the nutritional status of the organic matter profiles. In general, no change in moss accumulation, or nutrient storage or availability across the chronosequence could be detected. There were, however, differences between feather mosses and Sphagnum mosses, the latter having significantly lower levels of nutrients than the former in terms of mineralizable nitrogen and total carbon, nitrogen, phosphorus, magnesium and potassium content. The nutritional profile of moss cores showed different horizons, reflecting differences in organic matter quality down the organic layer. More specifically, nitrogen availability on a concentration basis as well as root abundance decreased with depth. Forest floor temperature seemed to confine the most biologically active horizon, referred to as the active layer, to a shallow depth, however neither temperature nor moisture seemed to explain the nutritional differences between feather mosses and Sphagnum mosses. These results may lead to practical consequences in that they show a clear distinction between the effects of feather mosses and Sphagnum mosses in nutrient cycling, suggesting that moss cover, might be useful as an indicator of site nutritional status. The results also show that accumulation of nutrients in organic surface horizons, as has been observed elsewhere, does not appear to occur in blac
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Lévesque, Michel 1960. "Le conservatisme au Quebec : le cheminement politique d'Emilien Lafrance (1952-1970)." Thesis, McGill University, 1987. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=63833.
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