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In the past, immigrants and refugees tended to overlook small and mid-sized cities in Canada, but this has changed since the beginning of the 21th century, and the mid-sized city of Kelowna has gradually emerged as a popular destination for newcomers from all over the world. Housing is critical to the resettlement and integration of all immigrants. Recent immigrants, especially renters, face challenges in their settlement and housing experiences, including limited financial resources, language barriers, and rental-housing discrimination based on ethnicity or race, and yet relatively little is known about these experiences and the barriers they encounter in mid-sized cities. This paper explores the settlement and housing experiences of recent immigrants in the city of Kelowna, a mid-sized city in the interior of British Columbia (Canada) with a focus on the rental housing market. The study draws on data from questionnaire surveys administered in 2015 and 2018 with a total of 67 recent immigrant respondents. The findings reveal that immigrant newcomers experienced financial stress and significant challenges in locating affordable rental housing due to high housing costs, low vacancy rates, lack of reliable information, language barriers, and discrimination by landlords based on immigrants’ ethnic and racial background. Immigrants are increasingly redefining the social and cultural geography of mid-sized Canadian cities, and there is a need to ensure that they are able to access affordable, adequate, and suitable housing, and ultimately settle into society. This is particularly crucial given the rising cost of living in Canada, the projected increase in immigrant levels for 2023-25, and the importance of immigrant settlement in a post-pandemic context. [ABSTRACT FROM AUTHOR]

This article examines the issue of inclusivity within nonprofit organizations as workplaces, focusing on the perspective of immigrant frontline workers of the Ontario settlement sector. Using a community-based collaborative approach, 25 frontline workers were invited to describe their experiences of integration of differences at work, involvement in decision-making, and equitable working conditions. Eight managers from the same agencies were also interviewed to better understand the policies and practices in their organization. The semi-directed interviews revealed that, while most organizations successfully integrate differences, there are some significant limitations regarding the involvement of immigrant frontline workers in decision-making and fair employment practices. This demonstrates a persistent form of systemic exclusion at the heart of Canada's cultural mosaic. [ABSTRACT FROM AUTHOR]

Copyright of African Journal of Reproductive Health is the property of Women's Health & Action Research Centre and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Immigrant settlement success hinges on effectively reconstructing social life in the receiving society. With the increased admission of racialized immigrants to Canada, it is imperative to investigate how their sense of sociability and belonging manifests within the broader context of white-dominant Canadian society. This research examines everyday place-based experiences of settlement sociability among racialized immigrants based on the understanding that racial matters are spatial matters. Using the photovoice method, ten racialized recent immigrant men aged 27 to 50, mostly from African and West Asian origins, expressed their settlement experiences through photo-rendering of places of comfort and discomfort. The participants had lived in Canada for less than ten years and immigrated to Canada through the refugee, family, and economic immigration admission categories. Findings indicate that racialized immigrants felt comfortable in “de-racialized” spaces, where they were temporarily relieved from their ethnic visibility and a sense of being out of place. They were uncomfortable in areas that triggered “racialized insecurity,” where they felt vulnerable because of their racialized identity. The analysis further points to the emotional and embodied nature of racial experiences: participants’ uneasy sense of otherness is rooted in their racialized physiques that inhabit a socio-cultural environment where whiteness is the somatic norm. The findings of this research call attention to the need for a closer inspection of how places of immigrant settlement and race are inextricably linked. The promotion of settlement sociability needs to go beyond physical proximity to social closeness, valuing co-ethnicity and cultural familiarity, especially in the initial stage of settlement. [ABSTRACT FROM AUTHOR]

It was not until the end of the twentieth century that research has begun to focus on the school effect (Grisay, 1990) and, more specifically, the headmaster effect (Gather Thurler, 1998). Headmaster are now being asked to deliver results, which amounts to a radical transformation of their previously control-oriented role. Their actions must be aligned with this mission: to get staff and students to do what they need to do to achieve the goals set by the government. They have to get used to it and endure what it does to himself. Our researches show that in fact he is led to do, therefore to act, with many constraints and to spare himself to serve and survive. What resources must be identified to exercise this new form given to the profession without yielding to the mirage of an idealized management? [ABSTRACT FROM AUTHOR]

This article explores the extent to which regional immigrants who have settled in Barbados and Antigua are "happily" integrating into these societies. Using newspaper accounts, it discusses the perceptions, interactions and exchanges among nationals and immigrants in relation to the cultural, social and political contexts and discourses of the respective societies. It was found that the social and political situation in the islands, and the skepticism and ambivalence of immigrants and citizens toward each other, produced tension and angst among them. Nationals expected immigrants to assimilate - to become like them, to settle for similar pay and working conditions, and to participate in the political process in the ways nationals do. Immigrants expected their practices and aspirations to be accepted as they tried to make life in their new society. [ABSTRACT FROM AUTHOR]

The purpose of this literature review was to explore the historical account of Black people in Canada and the intersection of settlement policies on their experiences. We searched databases such as JSTOR, Taylor and Francis Online databases, ProQuest Online databases using keywords such as: "Canadian immigration", "Black Settlement", "Jamaican immigrants", "Haitian immigrants", "continental African", "Western Canada", and "Black History in Canada" to identify published peer reviewed manuscripts and grey literature on Black settlement in Canada. Furthermore, we electronically searched well-known White and Black scholars who research Black populations such as James Walker, Robin Winks, and Makeda Silvera for publications on the topic. Major findings described in the review include the arrival of Canada's first documented Black immigrant in 1608 which is tied to the transatlantic slave trade, the lack of population and promises of land in the Canadian Prairies in the 19th century, which attracted Black immigrants. Furthermore, the review highlights major occurrences of Black settlement in Canada from the Caribbean in the 1950s and continental Blacks from the African continent in the 1960s. The review also sheds light on Blacks not being the preferred immigrants in the 19th century and the impact of Canadian policies including, but not limited to: the exclusionary Canadian Immigration Act of 1919. The other major historical events are the implementation of immigration policies that emphasized economic immigration which took place in the 1990s. Through all the challenges Black settlers encountered, their resilience was evident in their settlement experiences and successes. We recommend the development of new policies that promote inclusion and social justice for Black people and racialized immigrants in Canada. L'objectif de cette revue de la littérature était d'explorer le récit historique des noires au Canada et l'intersection des politiques d'établissement sur leurs expériences. Nous avons effectué des recherches dans des bases de données telles que JSTOR, les bases des données électronique «Taylor and Francis», «ProQuest» en utilisant des mots-clés tels que : «immigration canadienne», «établissement des Noirs», «immigrants jamaïcains», «immigrants haïtiens», «Afrique continentale», «Ouest du Canada» et «histoire des Noirs au Canada» afin d'identifier les manuscrits publiés évalués par des pairs et la littérature grise sur l'établissement des Noirs au Canada. De plus, nous avons effectué une recherche électronique auprès d'érudits blancs et noirs bien connus, qui [End Page 47] effectuent des recherches sur les populations noires, comme James Walker, Robin Winks et Makeda Silvera, pour trouver des publications sur le sujet. Les principales conclusions décrites dans l'examen comprennent l'arrivée du premier immigrant noir documenté au Canada en 1608, qui est liée à la traite transatlantique des esclaves, le manque de population et les promesses de terres dans les Prairies canadiennes au 19e siècle, qui ont attiré les immigrants noirs. En outre, l'étude met en lumière les principaux cas d'établissement de Noirs au Canada en provenance des Caraïbes dans les années 1950 et de Noirs continentaux du continent africain dans les années 1960. L'étude met également en lumière le fait que les Noirs n'étaient pas les immigrants préférés au 19e siècle et l'impact des politiques canadiennes, y compris, mais sans s'y limiter, la loi d'exclusion sur l'immigration canadienne de 1919. Les autres événements historiques majeurs sont la mise en œuvre de politiques d'immigration mettant l'accent sur l'immigration économique, qui a eu lieu dans les années 1990. Malgré tous les défis rencontrés par les colons noirs, leur résilience s'est manifestée dans leurs expériences d'établissement et leurs réussites. Nous recommandons l'élaboration de nouvelles politiques qui favorisent l'inclusion et la justice sociale pour les Noirs et les immigrants racialisés au Canada. [ABSTRACT FROM AUTHOR]

Copyright of Canadian Journal of Plant Science is the property of Canadian Science Publishing and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Puerto Ricans and Dominicans have arrived in the United States Virgin Islands (USVI) primarily as economic or working-class immigrants on the sugar plantations and in the construction and tourism industry. Over time, these immigrants have used their disadvantaged positions to expand connections between friends and families in the USVI as well as in their departed homeland. Socially, they have maintained their mores and folkways, but Puerto Ricans have shifted away from their insular environment, merging their peasant and professional ways with black Virgin Islanders to form a new Porto-Crucian ethnic group. Racial mixing has become a part of the Puerto Rican experience in the Virgin Islands. In contrast, the Dominican immigrants continue to arrive with little capital and limited educational skills. Their main challenge is adjustment and integration in pursuit of economic security. The lack of well-paying jobs and a limited command of the English language explain why Dominicans are less economically successful than other ethnic groups. The Dominicans are building themselves and their community in the Virgin Islands, however. Both immigrant groups have maintained their native Spanish language, although not always in its original form. Los puertorriqueños y dominicanos han llegado a las Islas Vírgenes de los Estados Unidos (USVI) principalmente como inmigrantes económicos o de clase trabajadora en las plantaciones de azúcar y en la industria de la construcción y el turismo. Con el tiempo, estos inmigrantes han utilizado sus posiciones desfavorecidas para ampliar las conexiones entre amigos y familiares en las Islas Vírgenes Estadounidenses, así como en su país de origen. Socialmente, han mantenido sus costumbres, pero los puertorriqueños se han alejado de su entorno insular, fusionando sus costumbres campesinas y profesionales con los negros de las Islas Vírgenes para formar un nuevo grupo étnico Porto-Crucian. [End Page 61] La mezcla racial se ha convertido en parte de la experiencia puertorriqueña en las Islas Vírgenes. En contraste, los inmigrantes dominicanos continúan llegando con poco capital y habilidades educativas limitadas. Su principal desafío es el ajuste y la integración en pos de la seguridad económica. La falta de trabajos bien remunerados y un dominio limitado del idioma inglés explican por qué los dominicanos tienen menos éxito económico que otros grupos étnicos. Sin embargo, los dominicanos se están construyendo a sí mismos y a su comunidad en las Islas Vírgenes. Ambos grupos de inmigrantes han mantenido su lengua materna, aunque no siempre en su forma original. Les Portoricains et les Dominicains sont arrivés dans les îles Vierges américaines (USVI) principalement en tant qu'immigrants économiques ou de la classe ouvrière dans les plantations de canne à sucre et dans l'industrie de la construction et du tourisme. Au fil du temps, ces immigrants ont utilisé leurs positions défavorisées pour élargir les liens entre amis et familles dans les îles Vierges américaines, ainsi que dans leur pays d'origine. Socialement, ils ont conservé leurs us et coutumes, mais les Portoricains se sont éloignés de leur environnement insulaire, fusionnant leurs coutumes paysannes et professionnelles avec les noirs des îles Vierges pour former une nouvelle ethnie Porto-Crucian. Le mélange racial fait désormais partie de l'expérience portoricaine dans les îles Vierges. En revanche, les immigrants dominicains continuent d'arriver avec peu de capital et des compétences éducatives limitées. Son principal défi est l'ajustement et l'intégration dans la poursuite de la sécurité économique. Le manque d'emplois bien rémunérés et une maîtrise limitée de l'anglais expliquent pourquoi les Dominicains ont moins de succès économique que les autres groupes ethniques. Pourtant, les Dominicains se construisent eux-mêmes et à leur communauté dans les îles Vierges. Les deux groupes d'immigrants ont conservé leur langue maternelle espagnole, mais pas toujours dans sa forme originale. [ABSTRACT FROM AUTHOR]

This study describes Internet and social media usage among Bangladeshi immigrants in Ontario, Canada. Using a mixed-method approach, the study conducted semi-structured interviews with 60 Bangladeshi immigrants in Ontario and gathered 205 completed survey responses. The findings show that recent Bangladeshi immigrants in Canada significantly depend on the Internet and social media tools in pre- and post-arrival contexts. Specifically, the findings indicate that the use of ethnic community social media forums among the Bangladeshi community are used for help with various aspects of their settlement into Canadian society, including learning about life in Canada, accommodation, and employment. The findings also reveal the important role that social media networking tools like LinkedIn play in recent newcomers' employment-related decision making and settlement in Canada. The author calls for further studies on immigrants' use of the Internet and social media—in particular, for studies on ethnic community social media forums and their role in newcomers' settlement. The author also urges countries welcoming immigrants across the globe such as Australia, Canada, New Zealand, the United States, and the United Kingdom to develop timely, need-based, online services for skilled immigrants and their dependents in order to meet the diverse needs of highly skilled immigrant populations. [ABSTRACT FROM AUTHOR]

From 2015 to 2017, Canada responded to the Syrian refugee crisis by welcoming over 40,000 refugees from Syria. In this 2018 study, ten service providers in the mid-sized urban community of Waterloo Region participated in semi-structured interviews, the aim of which was to learn about the ongoing needs of Syrian refugee youth. Findings indicate that 2-3 years post-arrival, these youth were still early in the settlement and integration process and despite youth's efforts and the efforts of service providers and others, systemic challenges, particularly in education and employment, continued to be key concerns. Participants identified obstacles such as segregated classes and limited resources in the secondary school system and a variety of barriers to employment that youth faced while still learning the language and Canadian culture. Social engagement and mental health were also identified as areas for enhancement and, at the same time, were areas where youth often showed considerable resilience. The study documents the need for ongoing investment in Syrian refugee youth and continued advocacy at community and larger systems levels. De 2015 à 2017, le Canada a soutenu la crise des réfugiés syriens en accueillant plus de 40 000 réfugiés de la Syrie. Dans cette étude de 2018, dix prestataires de services de la communauté urbaine de taille moyenne de la région de Waterloo ont participé à des entrevues semi-structurées, dont le but était de connaître les besoins permanents des jeunes réfugiés syriens. Les résultats attestent que 2 à 3 ans après leur arrivée, ces jeunes étaient encore au début du processus d'établissement et d'intégration et ce malgré leurs efforts ainsi que ceux des prestataires de services et autres. Les défis systémiques, en particulier dans l'éducation et l'emploi, restaient des préoccupations majeures. Les participants ont identifié des obstacles tels que des classes discriminées et des ressources limitées dans le système scolaire secondaire et une variété d'obstacles à l'emploi auxquels les jeunes étaient confrontés tout en étant dans le processus d'apprentissage de la langue et de la culture canadienne. L'engagement social et la santé mentale ont également été identifiés comme des domaines à améliorer et, dans le même temps, des domaines où les jeunes faisaient souvent preuve d'une résilience considérable. L'étude met en exergue la nécessité d'un investissement permanent dans la vie des jeunes réfugiés syriens et l'attention et la défense de leurs droits au niveau de la communauté et des systèmes plus élargis. [ABSTRACT FROM AUTHOR]

Résumé Introduction La présente étude a concerné la perception dyadique de la bientraitance et de la qualité de vie des personnes âgées dépendantes résidant en institution gériatrique. Objectif Notre objectif était d'évaluer les relations entre les perceptions de la bientraitance, de l'autonomie, de la satisfaction des services apportés et de la qualité de vie, rapportées par les personnes âgées dépendantes et par les proches. Méthode Vingt-neuf résidents d'un établissement pour personnes âgées dépendantes et 32 proches de résidents du même établissement d'hébergement pour personnes âgées dépendantes ont été conjointement interrogés pour l'ensemble des indicateurs. Résultats Nos résultats ont montré que : (1) les personnes âgées dépendantes et proches présentent des perceptions discordantes pour la qualité de vie et pour la bientraitance ; (2) la qualité de vie est associée à l'autonomie perçue et la satisfaction des services apportés chez les personnes âgées dépendantes et uniquement à l'autonomie perçue chez les proches ; (3) la bientraitance est associée à la satisfaction des services chez les personnes âgées et chez les proches. Conclusion Favoriser la bientraitance devrait accroître la satisfaction des services apportés en institution gériatrique, en impliquant à la fois les personnes âgées prises en charge et leurs proches. Abstract Introduction The present study focuses on patient-centered care and quality of life in dependent aging people living in nursing home. Objective Our aim was to assess the links between the perceptions of patient-centered care, autonomy, satisfaction with care, and quality of life, according to aging dependent people and to their proxies. Method Twenty-nine elderly residents in a nursing home and 32 close-relatives were jointly questioned on all indicators. Results Our results showed that: (1) aging dependent people and proxies have inconsistent perceptions for quality of life and patient-centered care; (2) quality of life is linked to autonomy perception and satisfaction with care in aging dependent people, but only with autonomy perception in proxies; (3) patient-centered care is linked to satisfaction with care in aging people and in proxies. Conclusion The results propose that fostering patient-centered care in nursing home for aging people may increase satisfaction with care, by involving both dependent residents and close-relatives. [ABSTRACT FROM AUTHOR]

Copyright of Silva Lusitana is the property of Unidade de Investigacao de Silvicultura e Productos Florestais and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Our purpose in this article is to examine refugees' access to housing in metropolitan Vancouver. How are refugees faring in Vancouver's housing market relative to non-humanitarian immigrants? Is there evidence that their housing circumstances change over time? Following from this, can we detect systematic differences in housing experiences between refugees selected and supported by the Canadian government versus those who come to Canada seeking asylum? Finally, what are the most important barriers for refugees in Vancouver's housing market and how are they addressed? Our study involved three main forms of data collection: focus groups with representatives of organizations that support newcomers, focus groups with newcomers, and a systematic survey exploring the housing experience of immigrants and refugees. While this article focuses on the survey results, we also draw upon the contextual knowledge obtained through the focus groups. We find that refugees are more likely than economic immigrants to lack the resources needed to access adequate and affordable housing. Many inhabit inadequately maintained, overcrowded, and unaffordable housing units and experience increased risk of homelessness. Therefore, we conclude that there is a need for greater coordination between housing and settlement policy to enable all newcomers to meet their housing needs. [ABSTRACT FROM AUTHOR]

Résumé: La présente étude porte sur le processus d’appropriation de l’espace chez un échantillon de 30 personnes âgées, dépendantes, résidant en EHPAD. Trois variables ont été ciblées : le type d’espace (privé versus collectif, évalué à l’aide de deux questionnaires), le niveau de contrôle (The internal powerful other and chance scale [IPC] de Levenson et échelle hiérarchique d’internalité pour personnes âgées [EHIPA]) et la qualité de vie (SF-36 et Geriatric Depression Scale). Les résultats obtenus ont montré que : (1) les résidents s’approprient davantage l’espace privé que l’espace collectif ; (2) que le niveau de contrôle régule le processus d’appropriation de l’espace collectif, mais pas de l’espace privé ; et (3) que plus les sujets s’approprient l’espace collectif, meilleure est leur qualité de vie. Les résultats sont discutés en vue d’applications potentielles au sein des institutions. [Copyright &y& Elsevier]

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Copyright of ERA Forum is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of International Migration & Integration is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

A Texel sheep ear marginal tissue fibroblast cell line (named TSF19) was successfully established by using a primary explant technique and cell cryoconservation technology. TSF19 cells were adherent, with a population doubling time of 24.9 h. Chromosome analysis showed that >90% of cells were diploid prior to cell passage 4. Isoenzyme analyses of lactate dehydrogenase and malate dehydrogenase showed that the TSF19 cells had no cross-contamination with other species. Tests for cell line contamination with bacteria, fungi, or mycoplasmas were also negative. Plasmids encoding the fluorescent proteins pEGFP-N3, pECFP-N1, pDsRed1-N1, and pEYFP-N1 were transfected into cells to study exogenous gene expression in the cells. The plasmid transfection efficiency was between 21.8% and 46.5%. This newly established cell line will not only preserve the genetic resources of the important Texel sheep at the cell level but will also provide a valuable resource for genomic, postgenomic, somatic cloning research. [ABSTRACT FROM AUTHOR]

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Copyright of Journal of International Migration & Integration is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

It is commonly assumed that plant establishment in the High Arctic is limited by severe abiotic conditions and by a paucity of propagules and seeds. Heavy reindeer grazing may reduce plant allocation to reproduction and removes significant proportions of flowers and seeds, thus reducing contributions to seed rain and seed bank. In contrast, foraging and trampling may break up existing mature plants, increasing the vegetative propagules in the soil. To determine the effect of grazing on colonization potential in the High Arctic, two studies were carried out: (i) a comparison of seed bank inside and outside three long-term reindeer (Rangifer tarandus platyrhnchus (Vrolic)) exclosures and (ii) an investigation of the germinable seed and propagule bank of two neighbouring peninsulas with contrasting reindeer grazing history in northwestern Svalbard (79°N, 12°E). Seed banks inside reindeer exclosures germinated significantly more seedlings (596 seedlings·m–2) than those outside (263 seedlings·m–2). Species composition and total plant cover was similar on both peninsulas, but forage-plant cover was lower on the heavily grazed peninsula (Brøggerhalvøya) than on the adjacent lightly grazed peninsula (Sarsøyra). Brøggerhalvøya had significantly lower species richness and density of seed and propagule bank (0.21 ± 0.02 germinating species per sample, 0.15 ± 0.02 propagule species per sample, 416 ± 103 seedlings·m–2, 283 ± 78 propagules·m–2) than did Sarsøyra (0.44 ± 0.40 germinating species per sample, 0.35 ± 0.03 propagule species per sample,1016 ± 188 seedlings·m–2, 782 ± 238 propagules·m–2). These results imply that reindeer depleted both the seed and the propagule banks, thus reducing the potential for colonization of disturbed areas. Grazing may, therefore, have a lasting impact on High Arctic plant communities. [ABSTRACT FROM AUTHOR]

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Phalaris arundinacea L. (reed canary grass) is a major invader of wetlands in temperate North America; it creates monotypic stands and displaces native vegetation. In this study, the effect of plant canopies on the establishment of P. arundinacea from seed in a fen, fen-like mesocosms, and a fen restoration site was assessed. In Wingra Fen, canopies that were more resistant to P. arundinacea establishment had more species (eight or nine versus four to six species) and higher cover of Aster firmus. In mesocosms planted with Glyceria striata plus 1, 6, or 15 native species, all canopies closed rapidly and prevented P. arundinacea establishment from seed, regardless of the density of the matrix species or the number of added species. Only after gaps were created in the canopy was P. arundinacea able to establish seedlings; then, the 15-species treatment reduced establishment to 48% of that for single-species canopies. A similar experiment in the restoration site produced less cover of native plants, and P. arundinacea recruited more readily. Results suggest that, where conditions are favorable for native plant growth, even species-poor canopies can inhibit P. arundinacea establishment from seed, but when disturbances create gaps, species-rich canopies confer greater resistance to invasion.Key words: diversity, establishment, fen, invasion resistance, species richness, wetlands.Le Phalaris arundinacea L. (phalaris roseau) est un envahisseur majeur dans les terres humides de l'Amérique du nord tempérée; il crée des stations monotypiques et déplace les espèces indigènes de la végétation. Dans cette étude, les auteurs évaluent l'effet de la canopée des plantes sur l'établissement du P. arundinacea à partir de la graine, dans une tourbière basse, dans un mésocosme tourbeux et dans un site de tourbière basse restaurée. Dans la tourbière de Wingra, les canopées qui ont le mieux résisté à l'établissement du P. arundinacea comportent plus d'espèces (huit ou neuf contre quatre à six espèces) ainsi qu'un plus fort couvert en Aster firmus. Dans les mésocosmes plantés de Glyceria striata avec en plus 1, 6 ou 15 espèces indigènes, toutes les canopées se ferment rapidement et préviennent l'établissement du P. arundinacea à partir de graines, indépendamment du nombre d'espèces ajoutées. Ce n'est qu'après avoir créé des ouvertures dans la canopée que le P. arundinacea a pu établir ses plantules; dans ce cas, le traitement avec 15 espèces a réduit l'établissement de 48% par rapport aux canopées ne comportant qu'une espèce. Une expérience similaire conduite sur le site en restauration a produit moins de plantes indigènes, et le recrutement du P. arundinacea a été plus efficace. Les résultats suggèrent que là où les conditions sont favorables à la croissance des espèces indigènes, même les canopées pauvres en espèces peuvent inhiber l'établissement du P. arundinacea à partir de la graine, mais lorsque les perturbations créent des ouvertures, les canopées riches en espèces confèrent une plus grande résistance à l'invasion.Mots clés : diversité, établissement, tourbière basse, résistance à l'invasion, richesse en espèces, terres humides.[Traduit par la Rédaction] [ABSTRACT FROM AUTHOR]