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Phenotypic Plasticity May Facilitate Invasion By Aegilops Triuncialis, Andrew R. Dyer
Phenotypic Plasticity May Facilitate Invasion By Aegilops Triuncialis, Andrew R. Dyer
Faculty Publications
One great obstacle to understanding the invasion of nonnative species into native ecosystems is the lack of information on the population biology of the invading species. In particular, morphological and physiological adaptations and potential for phenotypic plasticity will strongly influence a species’ ability to persist and spread in newly invaded ecosystems. Phenotypic plasticity can buffer populations from selection thereby allowing them to survive the establishment phase of the invasion. The annual grass Aegilops triuncialis (Poaceae, Triticeae) has become highly invasive in California (USA) and provides an opportunity to investigate the importance of phenotypic plasticity to persistence and spread in new …