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Education:
B.S and M.S University of Washington
Ph.D., Texas A & M University
Courses Taught:
BIOL 211 -- Concepts of Zoology
BIOL 241 -- Principles of Ecology
BIOL 242 -- Ecology Laboratory
BIOL 447 -- Chesapeake Bay System
BIOL 446 -- Ecosystems
BIOL 472 -- Biological Problems of Environmental Management
BIOL Biological Oceanography (Marine Science Consortium, Wallops Is. VA)
Areas of Specialization:
Ecosystem Ecology: freshwater (ponds, lakes, streams) and marine ecosystems (estuaries, coastal waters, mangroves).
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Research Interest(s):
I study the effects of biological and physical processes
on food webs in aquatic ecosystems. Students are involved
in several current projects, which include field sampling,
experimental laboratory work, and development of models.
Current projects include: effects of low oxygen concentration
on lake zooplankton, stream macroinvertebrate communities
as indicators of water quality and land use in Lancaster
County, identification of viruses that attack and lyze
single celled algae, and coastal upwelling which may
influence the larval stages of blue crabs and other
benthic invertebrates.
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Selected Publication(s):
2003. Diel distribution of copepods across a channel in an overwash mangrove island. Hydrobiologia 499:147-159. (with F.D. Ferrari, J.A. Fornshell and L. Ong). 2002. Zooplankton swarms: characteristics, proximal cue and proposed advantages. Hydrobiologia 480:155-164. In: Lee, C., Strom, S., and Yen, J., eds., Progress in zooplankton behavior: ecology, systematics and behavior. Special Volume in honor of the 60th Birthday of Dr. Bruce W. Frost, University of Washington, Seattle.
2001. A demonstration of nitrogen dynamics in oxic and hypoxic soils and sediments. American Biology Teacher 63:2-8. (with K. Pelovitz, T. Ladd, G. Steucek)
1999. Diel cycles of molting, mating, egg sac production and hatching in the swarm forming cyclopoid copepod Dioithona oculata. Plankton Biol. Ecol. 46:120-127. (with F.D. Ferrari, J.A. Fornshell, E.J. Buskey)
1998. Book review of "Marine Biodiversity. Patterns and Processes." Edited by R.E.G. Ormond, J.D. Gage, and M.V. Angel. Estuaries 21: 502-503.
1998. Seasonal study of benthic macroinvertebrates as water quality indicators in four headwater stream sites in the West Branch of Octoraro Creek, PA. Final report submitted to the Octoraro Watershed Association. (with C. Hochreiter and D. Fogarty).
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