Patterns of plant species and community diversity at different organization levels in a forested riparian landscape

作者: Guillaume Decocq

DOI: 10.1658/1100-9233(2002)013[0091:POPSAC]2.0.CO;2

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摘要: Abstract Integrated synusial phytosociology combined with traditional measures of diversity is used to describe the structure vascular vegetation along forested riparian landscape upper Oise valley (Belgium and France). The two dimensions (longitudinal lateral) geomorphological complex are examined at four scales: synusia, phytocoenosis, tesela catena. results support following hypotheses: (1) environmental gradients observed, particularly lateral ones, very complex; (2) there a clear lack coupling between tree, shrub herb layers, which indicates differential response underlying influence controls; (3) moderate flooding‐induced disturbance enhances species richness; (4) stressful environments low plant but high (5) natural factors (substrate, climate, disturbance) more important synusia phytocoenose scales, (6) anthropogenic disturbance...

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