Predicting local adaptation in fragmented plant populations: Implications for restoration genetics
Pickup M, Field D, Rowell D, Young A. 2012. Predicting local adaptation in fragmented plant populations: Implications for restoration genetics. Evolutionary Applications. 5(8), 913–924.
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Abstract
Understanding patterns and correlates of local adaptation in heterogeneous landscapes can provide important information in the selection of appropriate seed sources for restoration. We assessed the extent of local adaptation of fitness components in 12 population pairs of the perennial herb Rutidosis leptorrhynchoides (Asteraceae) and examined whether spatial scale (0.7-600 km), environmental distance, quantitative (QST) and neutral (FST) genetic differentiation, and size of the local and foreign populations could predict patterns of adaptive differentiation. Local adaptation varied among populations and fitness components. Including all population pairs, local adaptation was observed for seedling survival, but not for biomass, while foreign genotype advantage was observed for reproduction (number of inflorescences). Among population pairs, local adaptation increased with QST and local population size for biomass. QST was associated with environmental distance, suggesting ecological selection for phenotypic divergence. However, low FST and variation in population structure in small populations demonstrates the interaction of gene flow and drift in constraining local adaptation in R. leptorrhynchoides. Our study indicates that for species in heterogeneous landscapes, collecting seed from large populations from similar environments to candidate sites is likely to provide the most appropriate seed sources for restoration.
Publishing Year
Date Published
2012-12-01
Journal Title
Evolutionary Applications
Publisher
Wiley-Blackwell
Acknowledgement
We thank Graham Pickup, David Steer, Linda Broadhurst, Lan Li and Carole Elliott for technical assistance. The New
South Wales Department of Environment and Climate Change, ACT Parks, Conservation and Lands and the
Department of Sustainability and Environment in Victoria provided permits for seed and soil collection. We thank
Spencer C. H. Barrett for comments that improved the quality of the manuscript.
Volume
5
Issue
8
Page
913 - 924
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Cite this
Pickup M, Field D, Rowell D, Young A. Predicting local adaptation in fragmented plant populations: Implications for restoration genetics. Evolutionary Applications. 2012;5(8):913-924. doi:10.1111/j.1752-4571.2012.00284.x
Pickup, M., Field, D., Rowell, D., & Young, A. (2012). Predicting local adaptation in fragmented plant populations: Implications for restoration genetics. Evolutionary Applications. Wiley-Blackwell. https://doi.org/10.1111/j.1752-4571.2012.00284.x
Pickup, Melinda, David Field, David Rowell, and Andrew Young. “Predicting Local Adaptation in Fragmented Plant Populations: Implications for Restoration Genetics.” Evolutionary Applications. Wiley-Blackwell, 2012. https://doi.org/10.1111/j.1752-4571.2012.00284.x.
M. Pickup, D. Field, D. Rowell, and A. Young, “Predicting local adaptation in fragmented plant populations: Implications for restoration genetics,” Evolutionary Applications, vol. 5, no. 8. Wiley-Blackwell, pp. 913–924, 2012.
Pickup M, Field D, Rowell D, Young A. 2012. Predicting local adaptation in fragmented plant populations: Implications for restoration genetics. Evolutionary Applications. 5(8), 913–924.
Pickup, Melinda, et al. “Predicting Local Adaptation in Fragmented Plant Populations: Implications for Restoration Genetics.” Evolutionary Applications, vol. 5, no. 8, Wiley-Blackwell, 2012, pp. 913–24, doi:10.1111/j.1752-4571.2012.00284.x.
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