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Academic literature on the topic 'Pluies acides – Québec (Province)'
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Journal articles on the topic "Pluies acides – Québec (Province)"
Piette, Jean. "L'action du Québec contre les pluies acides en Amérique du Nord." Revue Juridique de l'Environnement 14, no. 1 (1989): 33–45. http://dx.doi.org/10.3406/rjenv.1989.2418.
Full textGuay, Louis. "Robert TESSIER, L'éthique d'une société face aux pluies acides. Le cas du Québec;José A. PRADES, Robert TESSIER et Jean-Guy VAILLANCOURT(dirs), Aspects sociaux des précipitations acides au Québec." Recherches sociographiques 39, no. 2-3 (1998): 478. http://dx.doi.org/10.7202/057228ar.
Full textDissertations / Theses on the topic "Pluies acides – Québec (Province)"
Houle, David. "Le choix des instruments de la politique environnementale québécoise : le cas des précipitations acides, de l'appauvrissement de la couche d'ozone et des changements climatiques." Master's thesis, Université Laval, 2007. http://hdl.handle.net/20.500.11794/19510.
Full textSimard, Sabrina. "Occurrence des sous-produits de la désinfection dans l'eau des piscines de la ville de Québec." Thesis, Université Laval, 2009. http://www.theses.ulaval.ca/2009/26081/26081.pdf.
Full textBrouard, Denis. "Evaluation hydrochimique et écotoxicologique des retombées acides pour les rivières à saumon (Côte-Nord du fleuve Saint-Laurent, Québec)." Toulouse 3, 1988. http://www.theses.fr/1988TOU30246.
Full textDéziri, Sabri. "Classification des indices de pouvoir fixateur et de saturation en P des sols minéraux acides du Québec." Master's thesis, Université Laval, 2009. http://hdl.handle.net/20.500.11794/20937.
Full textBélanger, Marie-Claire. "Statut redox, inflammatoire et métabolique chez une population inuit : effets d'une alimentation traditionnelle riche en acides gras omega-3 et en sélénium, mais contaminée par du mercure et des biphényles polychlorés." Thesis, Université Laval, 2007. http://www.theses.ulaval.ca/2007/24288/24288.pdf.
Full textThe Inuit of Nunavik are exposed by their traditional diet to environmental contaminants including methylmercury (MeHg) and polychlorinated biphenyls (PCBs), at levels potentially noxious for health. Nevertheless, this diet is rich in omega-3 fatty acids and selenium. We formulated the hypothesis that these dietary factors could have beneficial effects counteracting the potentially pro-oxidant effects of contaminants. An epidemiological study conducted in 1992 retrieved a relatively low prevalence of ischemic heart diseases and type 2 diabetes in these Inuit, maybe because of their high consumption of omega-3 fatty acids. The initiation of research on the Inuit and environmental contaminants to which they are exposed to revealed another factor that might affect their health: a high prevalence of obesity. In fact, the observation that several participants suffered from obesity lead us to carry out relevant measurements in order to assess metabolic syndrome components, the inflammatory status and endothelial function in this population, in an attempt to distinguish the potentially harmful effects linked to obesity from those linked to contaminants. The potential effects of omega-3 fatty acids on the components of the metabolic syndrome have therefore also been investigated. Our results indicate, firstly, that the observed levels of contaminants had no evident oxidant effect detectable at the level of the redox couples of vitamin E and coenzyme Q10 in these Inuit. The contaminants were nevertheless associated with an increase of low-density lipoprotein oxidation, and a stimulation of the antioxidant defenses. Besides, a positive association between omega-3 fatty acids and fasting blood glucose suggests that the introduction of a western diet rich in refined sugars could induce the expression of hyperglycemia and hyperinsulinemia phenotypes without concomitant dyslipidemia usually reported for Caucasians. In fact, the lipid profile of the Inuit remained favourable, characterized by low levels of triglycerides and free fatty acids, and high levels of HDL cholesterol. Moreover, close to half of the studied subjects presented a fasting hyperinsulinemia, without evidence of peripheral inflammation or endothelial dysfunction, which are conditions usually met in hyperinsulinemic and obese Caucasians.
Dubeau, Claudelle. "Association entre la qualité de l'alimentation et l'exposition aux acides perfluoroalkylés (PFAA) et au bisphénol A (BPA) pouvant provenir de la transformation et de l'emballage des aliments chez les enfants et les jeunes âgés de 3 à 19 ans dans quatre communautés des Premières Nations du Québec." Master's thesis, Université Laval, 2021. http://hdl.handle.net/20.500.11794/68411.
Full textContext. Although traditional foods play a central role in Indigenous Peoples nutrition and culture, their intake is increasingly being replaced by processed foods, particularly among younger generations. Other than their lower nutritional quality, processed foods may also contain chemical contaminants from food processing and packaging that are known or suspected endocrine disruptors, such as perfluoroalkyl acids (PFAAs) and bisphenol A (BPA). In 2015, the project Jeunes, Environnement et Santé / Youth, Environment and Health (JES!-YEH!) was conducted among children and youth (3-19y) in collaboration with four First Nation communities in Quebec (n=198) and the objectives of the present project were to: (i) Document exposure to PFAAs and BPA in comparison to the most recent youth data of the Canadian Health Measures Survey (CHMS Cycle 5 2016-2017); (ii) Describe the intake of different food categories that may contain PFAAs or BPA; and (iii) Examine the associations between food categories intakes and exposure to these contaminants. Methods. Anthropometric measurements were taken and questionnaires were administered, including a food frequency questionnaire, based on which food intakes were calculated. Biological samples were collected, and serum was analysed for PFAAs (PFOS, PFOA, PFHxS, PFNA) and urine for BPA. Generalized linear models were used to test associations between food intakes and biomarkers of exposure to PFAAs and BPA. Results. Mean PFNA serum concentrations were significantly higher than in the CHMS Cycle 5 (2016-2017) for the same age groups among Anishinabe participants, where as concentrations of mean PFOS, PFOA and PFHxS levels were lower than CHMS values among all JES!-YEH! participants. Mean urinary BPA concentrations were also higher than in the CHMS Cycle 5 (2016-2017) in all participants. Dairy products intake was high in comparison to other food categories, and especially milk, among Anishinabe participants aged 6 to 11 years old and Innu participants aged 3 to 5 and 6 to 11 years old. Total dairy products intake was significantly associated with PFNA serum concentrations among Anishinabe participants and Innu participants. PFNA was likewise associated with ultraprocessed foods intakes among Anishinabe participants, whereas it was associated with wild marine fish and berries intakes among Innu participants. PFHxS was associated with microwave popcorn intake among Anishinabe participants. For BPA, a positive association was found with cheese and milk intakes in Anishinabe participants, and with wild marine fish, wild berries, desserts and processed meats intakes in Innu participants. Conclusion. These results highlight the importance of better documenting food-processing and packaging methods, particularly for dairy products, and their contribution to endocrine disruptors exposures as well as to promote minimally processed and unpackaged foods to provide healthier food environments for youth in Indigenous communities and beyond.
Fall, Maïna. "Analyse du comportement d'achat des consommateurs canadiens en matière d'aliments fonctionnels : cas des oeufs contenant de l'oméga-3, des aliments à base de soja et le jus enrichi en calcium." Master's thesis, Université Laval, 2009. http://hdl.handle.net/20.500.11794/20939.
Full textRochette, Simon. "Variabilité du temps de séjour, du chlore et des sous-produits chlorés de la désinfection à l'échelle d'un quartier résidentiel." Doctoral thesis, Université Laval, 2016. http://hdl.handle.net/20.500.11794/26677.
Full textThe objective of this thesis is to evaluate the spatial and temporal variability of chlorinated disinfection by-products (DBPs), more specifically trihalomethanes (THM) and haloacetic acids (HAA), and the residence time of water (RT) in a water distribution network (DN) on the scale of a residential neighborhood. A specific residential area in the DN of Quebec City was chosen in order to conduct this study. This area covers approximately 2 km2 and is inhabited by nearly 6000 citizens. The first chapter of this thesis is a literature review addressing free residual chlorine as well as THMs and HAAs concentrations in DNs, monitoring of water quality, modeling of RT and the impact of aging and rehabilitation of pipes on RT and water quality. The second chapter focuses specifically on the analysis of the spatial and temporal variability of free residual chlorine, THMs, HAAs and RT. This variability is studied and a dominant dimension between the spatial and temporal aspect is identified for residual chlorine, THMs and HAAs using generalized linear mixed models. Then, the potential of RT as a water quality indicator for residual chlorine, THMs and HAAs is analyzed by a Wilcoxon signed ranks test. In the third chapter, a sensitivity analysis of RT is performed with different hydraulic scenarios. The scenarios considered are additional aging and rehabilitation of pipes to assess the effect on RT relative to a reference scenario representing the best state of knowledge of the studied area. The effects on RT are also studied in the context of their potential impact on free residual chlorine concentrations. Finally, the impact of the uncertainty of hydraulic parameters (diameter, roughness factor, water demand) on RT is investigated with Monte-Carlo simulations.
Nozères, Claude. "Régime alimentaire du béluga, Delphinapterus leucas, de l'estuaire du Saint-Laurent, Canada, tel que révélé par l'analyse des acides gras du lard." Master's thesis, Université Laval, 2006. http://hdl.handle.net/20.500.11794/18708.
Full textKnowledge of diet is an important element for understanding the ecology of species. Currently, there are few techniques to examine the contemporary diet of St. Lawrence belugas considering the precarious status of the population and the rarity of prey remains in the stomach of stranded individuals. Fatty acid analyses of prey and blubber may provide the tools to indicate diet. It was with this purpose that a comparative study of fatty acid profiles was undertaken. As a first step, about 60 potential prey species for belugas were collected in the Estuary and Gulf of St. Lawrence and were examined for their fatty acid profiles. The analysis revealed the need to consider the effects of lipid content, size, season, and sampling location when evaluating species fatty acid profiles in order to improve evaluations of prey profiles of a predator such as the beluga. Blubber fatty acid analyses were subsequently compared between belugas and four species of pinnipeds that are encountered in the Estuary and the Gulf. Species along with other classes such as sex and age could be distinguished on the basis of their fatty acid signatures. A suite of multivariate analyses confirmed the role of diet-linked fatty acids in differentiating the groups, thereby confirming the potential for these techniques to conduct a comparative analysis of diets among these marine mammals. The characterization of fatty acid signatures of potential prey and predators represents essential steps on the path towards a better understanding of trophic ecology in these animals.
Fraser, Sarah. "Le rôle des acides gras polyinsaturés dans la prévention des effets de l'exposition prénatale à l'alcool sur le développement des nouveau-nés inuits : une étude épidémiologique." Doctoral thesis, Université Laval, 2010. http://hdl.handle.net/20.500.11794/21451.
Full textBooks on the topic "Pluies acides – Québec (Province)"
Intergovernmental Conference on Acid Rain (1985 Québec, Qué). Conférence intergouvernementale sur les précipitations acides, Québec, les 10, 11 et 12 avril 1985: Actes de la conférence = Intergovernmental Conference on Acid Rain, Quebec, April 10, 11 and 12, 1985 : conference proceedings. Québec, Qué: Ministère de l'environnement, 1985.
Find full textLégaré, S. Impacts des pluies acides sur la faune aquatique du Québec méridional et établissement d'un réseau de suivi biologique en lacs. Québec, Qué: Service canadien de la faune, 2006.
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