Evolutionary drivers of mast-seeding in a long-lived desert shrubAuthor(s): Susan E. Meyer; Burton K. Pendleton
Source: American Journal of Botany. 102(10): 1666-1675.
Publication Series: Scientific Journal (JRNL)
Station: Rocky Mountain Research Station
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Patterns of reproductive output in blackbrush did not track current growing season precipitation, but instead were regulated by prior-year weather cues. The strength of the response to the masting cue depended on habitat quality, with higher mean reproductive output, shorter intervals between years of high seed production, and lower CVp at more favorable sites. Wind pollination efficiency was demonstrated to be an important evolutionary driver of masting in blackbrush, and satiation of heteromyid seed predator-dispersers was supported as an evolutionary driver based on earlier studies.
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Meyer, Susan E.; Pendleton, Burton K. 2015. Evolutionary drivers of mast-seeding in a long-lived desert shrub. American Journal of Botany. 102(10): 1666-1675.
Keywordsblackbrush, Coleogyne ramosissima, mass flowering, predator satiation, resource matching, wind pollination efficiency
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