FlinnGouhierLechowiczEtAl2010

Reference

Flinn, K.M., Gouhier, T.C., Lechowicz, M.J., Waterway, M.J. (2010) The role of dispersal in shaping plant community composition of wetlands within an old-growth forest. Journal of Ecology, 98(6):1292-1299. (Scopus )

Abstract

Dispersal ability can influence the importance of dispersal relative to other processes organizing metacommunities, such as species sorting among habitats along environmental gradients. We compare plants with different dispersal modes and habitat affinities, evaluating the roles of environmental and spatial controls on plant community composition in 128 wetlands within 10 km 2 of old-growth maple-beech forest in southern Québec, Canada. We address two hypotheses. First, we ask whether species with short-distance dispersal mechanisms are more dispersal-limited than species with adaptations for long-distance dispersal. Second, because wetland habitats are more fragmented than upland habitats in this forested area, we test the hypothesis that wetland species are more dispersal-limited than upland species growing in the same wetlands (e.g. on hummocks within a swamp). Variation partitioning based on constrained ordinations showed that the distributions of species with short-distance dispersal mechanisms related more strongly to spatial factors than the distributions of long-distance dispersers, supporting the interpretation that these species are more dispersal-limited. The distributions of short-distance dispersers also showed finer-scale spatial patterns than the distributions of long-distance dispersers. Distributions of wetland species related more strongly to environmental conditions than the distributions of upland species growing in the same wetlands, suggesting that wetland species are actually less dispersal-limited than upland species. Wetland and upland species had similar patterns of spatial variation in community composition. Synthesis. The processes of dispersal limitation and species sorting along environmental gradients have differential importance to plants that grow within the same communities, but differ in dispersal ability and habitat affinity. This result emphasizes the impact of dispersal ability on the organization of metacommunities. © 2010 The Authors. Journal compilation © 2010 British Ecological Society.

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@ARTICLE { FlinnGouhierLechowiczEtAl2010,
    AUTHOR = { Flinn, K.M. and Gouhier, T.C. and Lechowicz, M.J. and Waterway, M.J. },
    TITLE = { The role of dispersal in shaping plant community composition of wetlands within an old-growth forest },
    JOURNAL = { Journal of Ecology },
    YEAR = { 2010 },
    VOLUME = { 98 },
    PAGES = { 1292-1299 },
    NUMBER = { 6 },
    ABSTRACT = { Dispersal ability can influence the importance of dispersal relative to other processes organizing metacommunities, such as species sorting among habitats along environmental gradients. We compare plants with different dispersal modes and habitat affinities, evaluating the roles of environmental and spatial controls on plant community composition in 128 wetlands within 10 km 2 of old-growth maple-beech forest in southern Québec, Canada. We address two hypotheses. First, we ask whether species with short-distance dispersal mechanisms are more dispersal-limited than species with adaptations for long-distance dispersal. Second, because wetland habitats are more fragmented than upland habitats in this forested area, we test the hypothesis that wetland species are more dispersal-limited than upland species growing in the same wetlands (e.g. on hummocks within a swamp). Variation partitioning based on constrained ordinations showed that the distributions of species with short-distance dispersal mechanisms related more strongly to spatial factors than the distributions of long-distance dispersers, supporting the interpretation that these species are more dispersal-limited. The distributions of short-distance dispersers also showed finer-scale spatial patterns than the distributions of long-distance dispersers. Distributions of wetland species related more strongly to environmental conditions than the distributions of upland species growing in the same wetlands, suggesting that wetland species are actually less dispersal-limited than upland species. Wetland and upland species had similar patterns of spatial variation in community composition. Synthesis. The processes of dispersal limitation and species sorting along environmental gradients have differential importance to plants that grow within the same communities, but differ in dispersal ability and habitat affinity. This result emphasizes the impact of dispersal ability on the organization of metacommunities. © 2010 The Authors. Journal compilation © 2010 British Ecological Society. },
    COMMENT = { Cited By (since 1996): 3 Export Date: 2 April 2012 Source: Scopus CODEN: JECOA doi: 10.1111/j.1365-2745.2010.01708.x },
    ISSN = { 00220477 (ISSN) },
    KEYWORDS = { Determinants of plant community diversity and structure, Dispersal, Metacommunity, Ordination, Principal coordinates of neighbour matrices, Redundancy analysis, Spatial structure, Species sorting, Variation partitioning, Wetland, adaptive radiation, community composition, deciduous forest, dispersal, environmental conditions, environmental gradient, habitat fragmentation, habitat type, hypothesis testing, old-growth forest, ordination, plant community, spatial variation, swamp, upland region, wetland, Canada, Quebec [Canada], Acer, Fagus },
    OWNER = { Luc },
    TIMESTAMP = { 2012.04.02 },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-77958196482&partnerID=40&md5=809d839a9b09eb9eb7f5f0744a875764 },
}

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