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US Forest Service Research & Development
Contact Information
  • US Forest Service Research & Development
  • 1400 Independence Ave., SW
  • Washington, D.C. 20250-0003
  • 800-832-1355
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Alejandro A. Royo

Research Ecologist
PO Box 267
Irvine, PA 16329
Phone: 814-563-1040
Contact Alejandro A. Royo


Current Research

My main research focus investigates the role of competition by understory plants and herbivory by ungulates and small mammals in the diversity and abundance of tree seedlings in the understory before overstory gap formation. Furthermore, I am involved in several projects elucidating the role mammalian herbivores play in the maintenance of herbaceous plant communities across a wide latitudinal gradient.

Research Interests

I plan on continuing my research programs on the maintenance of herbaceous species diversity in both temperate and tropical systems. I also plan on examining the potential for developing alternatives to herbicide application for the control of understory herbaceous interference. Additional research interests involve regeneration of forest systems following catastrophic wind disturbance and subsequent salvaging as well as the impact of soil-borne pathogens on early tree establishment.

Why This Research is Important

Among the many factors that determine forest understory diversity prior to any overstory disturbance, competition and herbivory are typically thought of as preeminent. Understanding how these two factors, alone and in concert, act to promote or reduce plant diversity is key to the sustainable management of forest resources.

Education

  • University of Pittsburgh, Ph.D. Ecology and Evolutionary Biology, 2005
  • University of North Carolina, Greensboro, M.S. Department of Biological Sciences, 1998
  • University of North Carolina, Greensboro, B.A. Department of Biological Sciences, 1993
  • University of Pittsburgh, Graduate Certificate Latin American Studies, 2005

Professional Organizations

  • Ecological Society of America

Featured Publications & Products

Publications & Products

Research Highlights

HighlightTitleYear


NRS-2012-09
Can We Bank on Forest Seed Banks

Community composition of seeds stored in forest soils becomes increasingly divergent over time

2012


NRS-2011-20
Hurricanes Disturb Non-tree Subtropical Wet Forest Species Composition

Hurricane disturbance caused pronounced and persistent changes in the non-tree species composition of a subtropical wet forest. A unique long-te ...

2011


NRS-2010-020
Landscape-level Deer Herd Reductions Restore Forest Understory Plant Communities but Not Species Diversity

Since 2001, NRS scientist Alejandro Royo has tracked the response of herbaceous plant communities to deer herd reductions throughout the 70,000- ...

2010


Last updated on : 03/31/2014