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Genetic strategies for reforestation in the face of global climate changeAuthor(s): F. Thomas Ledig; J.H. Kitzmiller
Source: Forest Ecology and Management 50:153-169
Publication Series: Miscellaneous Publication
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DescriptionIf global warming materializes as projected, natural or artificial regeneration of forests with local seed sources will become increasingly difficult. However, global warming is far from a certainty and predictions of its magnitude and timing vary at least twofold, In the face of such uncertainty, reforestation strategies should emphasize conservation, diversification, and broader deployment of species, seed sources, and families. Planting programs may have to deploy non-local seed sources, imported from further south or from lower elevations, which necessitates a system for conserving native gene pools in seed banks or clone banks. Planting a diverse array of species or seed sources is a hedge against the uncertainty inherent in current projections of warming. Most tree improvement programs already stress genetic diversity and deployment of multi-progeny mixes, but may better prepare for climate change by testing selections in an even wider set of environments than is now the case.
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CitationLedig, F. Thomas; Kitzmiller, J.H. 1992. Genetic strategies for reforestation in the face of global climate change. Forest Ecology and Management 50:153-169
- Benefits and challenges for gene conservation: a view from the UK national tree seed project
- Restoration seed reserves for assisted gene flow within seed orchards
- Building bridges between agencies, researchers, famers and non-governmental organizations to create collaborative native seed programs
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