Fall Phenology of Invasive Shrubs of Southeast Michigan

Olivia Herrera
Adrian College
Olivia is a senior biology major at Adrian College. She has worked as a student researcher at Walden West for nearly a year and is interested in botany, plant ecology, and horticulture. A native of Manitou Beach, Michigan, Olivia will be graduating summa cum laude.
Other presenters/researchers: 
Jeffrey Lake - Assistant Professor of Biology at Adrian College, and director of the Walden West Biological Station. Interested in invasive species management.

Invasive shrubs are a growing problem in Michigan forests. One hypothesis of how these species that are seemingly adapted to open, high light environments manage to survive in understory conditions is through an extended growing season. While spring phenology has been extensively studied, the long period of extended fall phenology, where shrubs may continue to photosynthesize for weeks or even months after canopy leaf fall, is less well documented. Using a comparison of native and invasive shrubs at Adrian College's Walden West Biological Station, we compare the extended period of leaf presence of these plants.

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