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Seasonal variation in effects of herbivory

Long-term common garden for experimentation on effects of hemlock woolly adelgid (Adelges tsugae) on eastern hemlock (Tsuga canadensis). Image credit: Robert Schaeffer

Invasive herbivores can dramatically impact the nitrogen economy of native hosts. In eastern forests of the United States, the foundational conifer eastern hemlock (Tsuga canadensis) is under threat of extirpation by the invasive hemlock woolly adelgid (HWA: Adelges tsugae). A recent study published in AoB PLANTS by Schaeffer et al. suggests that HWA-induced mobilization of nitrogen to local feeding sites and its rapid depletion may be a significant contributor to eastern hemlock mortality in US forests.


AoB PLANTS is an open-access, online journal that publishes peer-reviewed articles on all aspects of environmental and evolutionary biology. Published by Oxford University Press, AoB PLANTS provides a fast-track pathway for publishing high-quality research, where papers are available online to anyone, anywhere free of charge. Reasons to publish in AoB PLANTS include double-blind peer review of manuscripts, rapid processing time and low open-access charges.

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