VellendVerheyenFlinnEtAl2007

Référence

Vellend, M., Verheyen, K., Flinn, K.M., Jacquemyn, H., Kolb, A., Van Calster, H., Peterken, G., Graae, B.J., Bellemare, J., Honnay, O., Brunet, J., Wulf, M., Gerhardt, F. and Hermy, M. (2007) Homogenization of forest plant communities and weakening of species-environment relationships via agricultural land use. Journal of Ecology, 95(3):565-573. (Scopus )

Résumé

Disturbance may cause community composition across sites to become more or less homogenous, depending on the importance of different processes involved in community assembly. In north-eastern North America and Europe local (alpha) diversity of forest plants is lower in forests growing on former agricultural fields (recent forests) than in older (ancient) forests, but little is known about the influence of land-use history on the degree of compositional differentiation among sites (beta diversity). Here we analyse data from 1446 sites in ancient and recent forests across 11 different landscapes in north-eastern North America and Europe to demonstrate decreases in beta diversity and in the strength of species-environment relationships in recent vs. ancient forests. The magnitude of environmental variability among sites did not differ between the two forest types. This suggests the difference in beta diversity between ancient and recent forests was not due to different degrees of environmental heterogeneity, but rather to dispersal filters that constrain the pool of species initially colonizing recent forests. The observed effects of community homogenization and weakened relationships between species distributions and environmental gradients appear to persist for decades or longer. The legacy of human land-use history in spatial patterns of biodiversity may endure, both within individual sites and across sites, for decades if not centuries. © 2007 The Authors Journal compilation © 2007 British Ecological Society.

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@ARTICLE { VellendVerheyenFlinnEtAl2007,
    AUTHOR = { Vellend, M. and Verheyen, K. and Flinn, K.M. and Jacquemyn, H. and Kolb, A. and Van Calster, H. and Peterken, G. and Graae, B.J. and Bellemare, J. and Honnay, O. and Brunet, J. and Wulf, M. and Gerhardt, F. and Hermy, M. },
    TITLE = { Homogenization of forest plant communities and weakening of species-environment relationships via agricultural land use },
    JOURNAL = { Journal of Ecology },
    YEAR = { 2007 },
    VOLUME = { 95 },
    PAGES = { 565-573 },
    NUMBER = { 3 },
    ABSTRACT = { Disturbance may cause community composition across sites to become more or less homogenous, depending on the importance of different processes involved in community assembly. In north-eastern North America and Europe local (alpha) diversity of forest plants is lower in forests growing on former agricultural fields (recent forests) than in older (ancient) forests, but little is known about the influence of land-use history on the degree of compositional differentiation among sites (beta diversity). Here we analyse data from 1446 sites in ancient and recent forests across 11 different landscapes in north-eastern North America and Europe to demonstrate decreases in beta diversity and in the strength of species-environment relationships in recent vs. ancient forests. The magnitude of environmental variability among sites did not differ between the two forest types. This suggests the difference in beta diversity between ancient and recent forests was not due to different degrees of environmental heterogeneity, but rather to dispersal filters that constrain the pool of species initially colonizing recent forests. The observed effects of community homogenization and weakened relationships between species distributions and environmental gradients appear to persist for decades or longer. The legacy of human land-use history in spatial patterns of biodiversity may endure, both within individual sites and across sites, for decades if not centuries. © 2007 The Authors Journal compilation © 2007 British Ecological Society. },
    COMMENT = { Cited By (since 1996): 32 Export Date: 11 March 2011 Source: Scopus CODEN: JECOA doi: 10.1111/j.1365-2745.2007.01233.x },
    ISSN = { 00220477 (ISSN) },
    KEYWORDS = { Ancient forest, Beta diversity, Biodiversity, Biotic homogenization, Community assembly, Forest plants, Land-use history, Meta-analysis, Recent forest, Species-environment relationships, agricultural land, biodiversity, community composition, environmental gradient, forest ecosystem, land use, meta-analysis, plant community, population distribution, species diversity, species-area relationship, Eurasia, Europe, North America },
    OWNER = { Luc },
    TIMESTAMP = { 2011.03.11 },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-34247179129&partnerID=40&md5=35566bbd84196a682456e3f53cab49fc },
}

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