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David P. Matlaga and Adam S. Davis Minimizing invasive potential of Miscanthus × giganteus grown for bioenergy: identifying demographic thresholds for population growth and spread Journal of Applied Ecology 50

Version of Record online: 26 FEB 2013 | DOI: 10.1111/1365-2664.12057

Spatial demographic models offer a powerful tool for quantifying risk of invasive spread by bioenergy crops. Our results suggest that sterile and fertile cultivars of M. × giganteus have markedly different invasive potential and therefore should be considered separately in management and policy decisions. Feral populations of sterile M. × giganteus would need to experience frequent and severe disturbance to pose a significant invasion risk, indicating that they should be grown well away from riparian areas prone to streambank scouring. In contrast, cultivars of M. × giganteus bearing fertile seed may be very difficult, if not impossible, to contain.

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