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Academic literature on the topic 'Diversité végétale – Québec (Province)'
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Journal articles on the topic "Diversité végétale – Québec (Province)"
Lelong, Benjamin, and Claude Lavoie. "Est-ce que le roseau commun exotique envahit les marais adjacents aux routes ?" Botanique 138, no. 1 (January 6, 2014): 13–19. http://dx.doi.org/10.7202/1021039ar.
Full textTremblay, Marc. "Les origines régionales ancestrales au Québec." Articles 43, no. 1 (June 4, 2014): 133–61. http://dx.doi.org/10.7202/1025493ar.
Full textMollier, Jean-Yves. "Livre et imprimé au Québec." Tangence, no. 100 (August 14, 2013): 153–67. http://dx.doi.org/10.7202/1017876ar.
Full textChartier, Roger. "Législation du travail, liberté, peur et conflit." Relations industrielles 13, no. 3 (February 11, 2014): 254–312. http://dx.doi.org/10.7202/1022424ar.
Full textLanglois, Annabelle, Raymond Archambault, Renée Lebeuf, Jean-Pierre Turgon, Raymond McNeil, and Jacques Brisson. "Inventaire des macromycètes d’une forêt ancienne de la région du Haut-Saint-Laurent." Le Naturaliste canadien 137, no. 2 (May 10, 2013): 62–77. http://dx.doi.org/10.7202/1015517ar.
Full textChartier, Roger. "Législation du travail, liberté, peur et conflit." Relations industrielles 13, no. 3 (February 11, 2014): 254–312. http://dx.doi.org/10.7202/1036580ar.
Full textRichard, Pierre. "Histoire postglaciaire de la végétation au sud du lac Abitibi, Ontario et Québec." Géographie physique et Quaternaire 34, no. 1 (January 28, 2011): 77–94. http://dx.doi.org/10.7202/1000385ar.
Full textMochon, Alain. "Les libellules du lac des Atocas au parc national du Mont-Saint-Bruno : découverte d’une population de l’aeschne des nénuphars au Québec." Entomologie 139, no. 2 (May 25, 2015): 20–34. http://dx.doi.org/10.7202/1030818ar.
Full textGiasson, Thierry, Colette Brin, and Marie-Michele Sauvageau. "Le Bon, la Brute et le Raciste. Analyse de la couverture médiatique de l'opinion publique pendant la «crise» des accommodements raisonnables au Québec." Canadian Journal of Political Science 43, no. 2 (May 28, 2010): 379–406. http://dx.doi.org/10.1017/s0008423910000090.
Full textBergeron, Christian. "L’importance de préserver la diversité des accents pour contrer l’insécurité linguistique en Ontario français." ALTERNATIVE FRANCOPHONE 2, no. 4 (February 14, 2019): 92–107. http://dx.doi.org/10.29173/af29376.
Full textDissertations / Theses on the topic "Diversité végétale – Québec (Province)"
Paquin, Léo Janne, and Léo Janne Paquin. "Impacts de l'urbanisation sur la diversité floristique des marécages." Master's thesis, Université Laval, 2019. http://hdl.handle.net/20.500.11794/37872.
Full textL’urbanisation est l’une des causes principales du déclin de la biodiversité à l’échelle mondiale, mais ses conséquences sur les milieux humides urbains n’ont que rarement été étudiées. Nous examinons ici comment la richesse spécifique et la diversité bêta des marécages varient en fonction de l’urbanisation dans l’agglomération de Québec, Canada. Nous avons échantillonné 34 marécages distribués le long d’un gradient d’urbanisation, évalué en fonction de la couverture de canopée dans une zone tampon d’un rayon de 100m à la périphérie des marécages. Les espèces vasculaires ont été recensées et des variables environnementales furent mesurées dans 92 quadrats. Nous avons testé la variation de la richesse spécifique selon le gradient d’urbanisation en tenant compte du statut des espèces (indigène indicatrice de milieux humides, indigène terrestre, et exotique). La diversité bêta a été calculée comme la similarité de la composition floristique entre les sites et les différences obtenues furent évaluées en utilisant un test de dispersion de l’homogénéité de la variance. Nous avons également effectué un partitionnement la diversité bêta en ses deux composantes (remplacement et différence de richesse) afin d’expliquer la variation de la composition en espèces selon le niveau d’urbanisation. Nos résultats ont montré que la richesse en espèces exotiques augmentait avec l’urbanisation alors que la richesse en espèces indigènes demeurait constante. Nous avons également constaté une plus grande diversité bêta dans les marécages urbanisés et que cette différenciation biotique était principalement causée par le remplacement d’espèces. Ces patrons, combinés à une augmentation des espèces exotiques terrestres avec l’urbanisation, suggèrent un relâchement de la contrainte anoxique au moins dans quelques sites, ce qui a pu contribuer à la diversification biotique à l’échelle régionale. Cependant, ce résultat pourrait n’être que temporaire et refléter les premières étapes de la colonisation des espèces exotiques dans les marécages.
Urbanization is one of the main drivers of biodiversity decline worldwide, but this process has seldom been evaluated for urban wetlands. Here, we examine how plant species richness and beta diversity of swamps varied with urbanization in the Quebec City, Canada. We inventoried 34 swamps distributed along an urbanization gradient (forest cover between 25 and 87% in a 100m radius buffer zone). Vascular species were sampled in 92 plots and abiotic variables as well as proxies (bryophyte abundance, microtopography, and pedologic data) were measured. We tested whether species richness varied along the urbanization gradient and according to the species type (native wetland, native upland or exotic species). Beta diversity was calculated as between-site similarities in composition, and differences were evaluated using tests for homogeneity in multivariate dispersion. We also partitioned beta diversity into its component (turnover and richness difference) for each species type to better understand their response to an increase of urbanization. We found that exotic species richness increased with urbanization while native wetland and upland species richness were similar to each other and remained constant along the same gradient. Yet, exotics were six to 27 times less diversified than native species. We also found a greater beta diversity in urbanized swamps, mostly caused by species turnover. We also observed a decrease of bryophyte abundance and a decrease of microtopography, thus fewer microhabitats, with an intensification of urbanization. These changes, combined with an increase of exotic upland species suggest the release of the anoxia constraint at least in a few sites, which might have favored spontaneous colonization by exotics, and enhance diversification at the regional scale. This result might reflect only the first stages of exotic colonization and thus might be temporary.
Urbanization is one of the main drivers of biodiversity decline worldwide, but this process has seldom been evaluated for urban wetlands. Here, we examine how plant species richness and beta diversity of swamps varied with urbanization in the Quebec City, Canada. We inventoried 34 swamps distributed along an urbanization gradient (forest cover between 25 and 87% in a 100m radius buffer zone). Vascular species were sampled in 92 plots and abiotic variables as well as proxies (bryophyte abundance, microtopography, and pedologic data) were measured. We tested whether species richness varied along the urbanization gradient and according to the species type (native wetland, native upland or exotic species). Beta diversity was calculated as between-site similarities in composition, and differences were evaluated using tests for homogeneity in multivariate dispersion. We also partitioned beta diversity into its component (turnover and richness difference) for each species type to better understand their response to an increase of urbanization. We found that exotic species richness increased with urbanization while native wetland and upland species richness were similar to each other and remained constant along the same gradient. Yet, exotics were six to 27 times less diversified than native species. We also found a greater beta diversity in urbanized swamps, mostly caused by species turnover. We also observed a decrease of bryophyte abundance and a decrease of microtopography, thus fewer microhabitats, with an intensification of urbanization. These changes, combined with an increase of exotic upland species suggest the release of the anoxia constraint at least in a few sites, which might have favored spontaneous colonization by exotics, and enhance diversification at the regional scale. This result might reflect only the first stages of exotic colonization and thus might be temporary.
Lenière, Alexandre. "Relations entre la diversité et la productivité végétale vis-à-vis des caractéristiques structurales et fonctionnelles des érablières du Centre du Québec." Doctoral thesis, Université Laval, 2007. http://hdl.handle.net/20.500.11794/19653.
Full textFrenette, Mathieu. "Relations entre les facteurs environnementaux et les patrons spatiaux de la diversité végétale dans une forêt décidue froide." Thesis, Université Laval, 2006. http://www.theses.ulaval.ca/2006/23737/23737.pdf.
Full textRaimbault, Alexandre. "Diversité floristique des marécages soumis à l'urbanisation de leur aire d'alimentation hydrique." Master's thesis, Université Laval, 2019. http://hdl.handle.net/20.500.11794/66757.
Full textSaint-Pierre, Louise. "Le patrimoine à la carte : individualisation, réflexivité et globalisation dans le processus de patrimonialisation du végétal domestique au Québec." Master's thesis, Université Laval, 2007. http://hdl.handle.net/20.500.11794/19081.
Full textMeunier, Geneviève. "Le gaillet mollugine (Galium mollugo L.) envahisseur : analyse de sa répartition et de ses impacts sur la diversité végétale au parc national du Bic." Thesis, Université Laval, 2008. http://www.theses.ulaval.ca/2008/25467/25467.pdf.
Full textNormandin-Leclerc, Étienne. "La diversité taxonomique et des traits fonctionnels des abeilles sauvages dans deux villes canadiennes." Master's thesis, Université Laval, 2017. http://hdl.handle.net/20.500.11794/27987.
Full textUrbanization is one of the most pervasive anthropogenic processes contributing to local habitat losses and extirpation of numerous species. Wild bees are the most widespread pollinators, but little information is known on how their communities are affected by urbanization and which kinds of urban green spaces are contributing to their conservation in cities. In this study we evaluated the taxonomic and the functional trait diversity of wild bees in two canadian cities and in three urban habitats. Our results demonstrated that cities can sustain a highly diverse community of wild bees, but also impact their community structure and dynamics by harbouring abundant and exotic species. Results on functional trait diversity showed that urban agriculture could contribute substantially to the provision of functionally diverse bee communities and possibly to urban pollination services.
Cloutier, Véronique. "Mycophagie des micromammifères et diversité fongique hypogée en forêt boréale de l'est du Canada." Doctoral thesis, Université Laval, 2017. http://hdl.handle.net/20.500.11794/27717.
Full textThis thesis examines the consumption of hypogeous, sequestrate fungi by micro-mammals in the eastern Canadian boreal forest, in order to gain a better understanding of the diversity and habitat of these fungi. The first chapter surveys hypogeous, sequestrate fungi potentially available for consumption by micromammals, based on samples obtained from ground-scraping. We identified these samples using morphological and cellular criteria, as well as molecular criteria based on Sanger sequencing of the nuclear ribosomal internal transcribed spacer (ITS - fungal barcode). Additionally, this thesis presents fungal metabarcoding of feces obtained from mycophagous micromammals using 454 FLX+ technology. We identified micromammals with Sanger sequencing over a section of cytochrome b of the animals’ DNA. We confirmed the occurrence of 28 species of hypogeous, sequestrate fungi. Those species came from phyla Ascomycotina, Basidiomycotina and Zygomycotina, including eleven new species records for the area. In the second chapter, we examinated the spatial distribution of hypogeous, sequestrate fungi from 230 fecal samples in relation to forest stand characteristics. This subsample yielded twelve hypogeous, sequestrate species, four of them occurring frequently enough for their distribution to be analyzed. Two of these species, Chamonixia caespitosa and Cortinarius pinguis, were associated mostly with the occurrence of bryophytes. Another species, Hydnotrya cubispora, was negatively associated with two characteristics: coarse woody debris and deciduous trees. Endogone sp. 1 was not associated with any specific characteristic. Based on 596 fecal samples collected in 2011 and 2012, Chapter 3 documents which micromammal species are mycophagous, their proportion of mycophagy, and finally which hypogeous, sequestrate fungal species occur in diet of each animal species. This third chapter was based on 131 sites sampled in five regions of eastern Canadian boreal forest mostly consisting of balsam fir and white birch. From the nine micromammals species, the mycophagous extent ranged from 0% to 81%. A total of 27 hypogeous, sequestrate fungi were identified in the fecal samples. Our results are consistent with the current literature and significantly broadens the documented range of fungal species consumed by micromammals of eastern Canada, such as Barssia sp., Leucangium carthusianum, Alpova cf. diplophloeus, Chamonixia caespitosa and Cortinarius pinguis by the red-backed vole (Myodes gapperi); Hydnotrya spp. by the great shrew (Blarina brevicauda); Chamonixia caespitosa and Cortinarius pinguis by the Scots mouse (Peromyscus maniculatus); and Endogone sp. by the red squirrel (Tamiasciurus hudsonicus).
Prince, Véronique, and Véronique Prince. "La gestion de crise gouvernementale à l'ère de la diversité médiatique." Master's thesis, Université Laval, 2018. http://hdl.handle.net/20.500.11794/29750.
Full textLe système médiatique hybride (Chadwick, 2013), dans lequel les médias traditionnels et numériques s’entremêlent, entraîne une pression constante sur les acteurs politiques confrontés à une gestion de crise. Pour arriver à coordonner leur message et imposer des cadres d’interprétation, tout en suivant le rythme accéléré du cycle de production des nouvelles, il est de plus en plus utile pour eux de préparer des scénarios communicationnels d’intervention ou de contingence. Dans ce contexte médiatique sous pression, les cabinets ministériels, en campagne permanente, font de plus en plus appel à l’administration publique pour les appuyer dans leurs communications de crise. L'objectif de ce mémoire vise à identifier les pratiques de communication de crise du gouvernement québécois dans ce système médiatique transformé. En plus de relever les stratégies de contrôle du message gouvernemental, le mémoire examine la préparation communicationnelle des cabinets et des institutions politiques qui doivent réagir à une crise et en limiter les effets. Ce mémoire étudie également les méthodes qui permettent de prévenir les problèmes de communication dans la gestion d’une crise. Les constats sont tirés de trois études de cas. La gestion spécifique de ces trois crises communicationnelles survenues au cours des cinq dernières années nous permet d’identifier les difficultés auxquelles sont confrontés les gouvernements et les solutions privilégiées afin de déployer une communication de crise efficace dans un système médiatique hybride. Des entretiens réalisés auprès d’une vingtaine de stratèges politiques et de fonctionnaires semblent valider les deux hypothèses de ce mémoire. Au terme de ces entretiens, nous arrivons à la conclusion que pour gérer une crise dans un environnement médiatique hybride, le gouvernement doit comprendre et maîtriser le fonctionnement du système afin d'imposer un cadre d'interprétation. Également, pour protéger sa réputation, il doit se mettre à l'abri des médias, s'il est en totalité ou en partie responsable de la crise.
The hybrid media system (Chadwick, 2013), in which traditional and digital media interweave, puts constant pressure on political actors confronted with crisis management. To coordinate their message and impose frameworks of interpretation, while keeping up with the accelerated pace of the news production cycle, it is increasingly useful for them to prepare communicative scenarios of intervention or contingency. In this context of pressured media, ministerial cabinets in permanent campaign are increasingly soliciting the public administration to support them in their crisis communications. The purpose of this thesis is to identify the crisis communication practices of the Quebec government in this transformed media system. In addition to identifying strategies for controlling the government's message, it examines the communicational preparation of cabinets and political institutions that must limit the effects of a crisis. This thesis also examines the methods used to prevent communication problems in the management of a crisis. The findings are drawn from three case studies. The specific management of these three communication crises over the last five years allows us to identify the challenges governments face and the preferred solutions for deploying effective crisis communication in a hybrid media system. Interviews with 21 political strategists and government officials seem to validate the two hypotheses of this thesis. To manage a crisis in a hybrid media environment, the government must understand and control the functioning of the system if it wants to impose a framework of interpretation. Also, if it is wholly or partly responsible for the crisis, it must protect himself from the media.
The hybrid media system (Chadwick, 2013), in which traditional and digital media interweave, puts constant pressure on political actors confronted with crisis management. To coordinate their message and impose frameworks of interpretation, while keeping up with the accelerated pace of the news production cycle, it is increasingly useful for them to prepare communicative scenarios of intervention or contingency. In this context of pressured media, ministerial cabinets in permanent campaign are increasingly soliciting the public administration to support them in their crisis communications. The purpose of this thesis is to identify the crisis communication practices of the Quebec government in this transformed media system. In addition to identifying strategies for controlling the government's message, it examines the communicational preparation of cabinets and political institutions that must limit the effects of a crisis. This thesis also examines the methods used to prevent communication problems in the management of a crisis. The findings are drawn from three case studies. The specific management of these three communication crises over the last five years allows us to identify the challenges governments face and the preferred solutions for deploying effective crisis communication in a hybrid media system. Interviews with 21 political strategists and government officials seem to validate the two hypotheses of this thesis. To manage a crisis in a hybrid media environment, the government must understand and control the functioning of the system if it wants to impose a framework of interpretation. Also, if it is wholly or partly responsible for the crisis, it must protect himself from the media.
Iquira, Elmer. "Évaluation de la diversité génétique chez deux collections de soja à l'aide de marqueurs microsatellites." Thesis, Université Laval, 2008. http://www.theses.ulaval.ca/2008/25896/25896.pdf.
Full textBooks on the topic "Diversité végétale – Québec (Province)"
La diversité québécoise en débat: Bouchard, Taylor, et les autres. Montréal, Québec: Québec Amérique, 2010.
Find full textDenis, Bertrand, ed. Le travail professoral remesuré: Unité et diversité. Sainte-Foy, P.Q: Presses de l'Université du Québec, 1994.
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