Field margins plant assemblages: variation partitioning between local and landscape factors

作者: Didier Le Coeur , Jacques Baudry , Françoise Burel

DOI: 10.1016/S0169-2046(96)00370-2

关键词: GeographyEcologyField (geography)Scale variationLand useRelative weightLandscape structureCanonical correspondence analysisPlant diversityVariation (linguistics)

摘要: Abstract It is hypothesized that plant diversity in field margins can be influenced by margin structure and management, factors related to adjacent land use landscape structure. To test this hypothesis, the species composition of three hedgerow network landscapes differing grain size, connectivity patterns were compared. Variation partitioning partial canonical correspondence analysis was used assess relative weight local total variation explained. Results showed sets factor all significant. We conclude determined scale environment attributes, discuss implications for conservation.

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