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Effective seed dispersal across a fragmented landscape

Bacles, Cecile F. E.; Lowe, Andrew J.; Ennos, Richard A.. 2006 Effective seed dispersal across a fragmented landscape. Science, 311 (5761). 628. 10.1126/science.1121543

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Abstract/Summary

The role of seed dispersal in maintaining genetic connectivity among forest fragments has largely been ignored because gene flow by pollen is expected to predominate. By using genealogical reconstruction, we investigated gene flow after establishment of seeds in a wind-pollinated, wind-dispersed tree. Our data show that seed dispersal is the main vector of gene flow among remnants and that long-distance dispersal is common across a chronically fragmented landscape. The relative importance of seed-mediated gene flow may have been underemphasized in other fragmented systems, and diagnosing the response of forest trees to current anthropogenic disturbances requires the assessment of phenomena after establishment

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1126/science.1121543
Programmes: CEH Programmes pre-2009 publications > Other
CEH Programmes pre-2009 publications > Biodiversity
CEH Sections: _ Biosystems Management
Format Availability: Electronic, Print
Additional Keywords: seed, forest, fragmented, gene flow
NORA Subject Terms: Ecology and Environment
Date made live: 29 Jun 2007 15:18
URI: http://nora.nerc.ac.uk/id/eprint/246

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