Access at seashore locations
Sections of the boardwalk at the Red Maple Swamp Trail have been closed due to structural deterioration and safety concerns. Check at Salt Pond Visitor Center for the current status of this trail, and for your safety, remain out of closed areas.
Name: Megan Tyrrell
Official Title: Research and Monitoring Coordinator
Phone: 508 487 3262 x 0510
Email: e-mail us
B.A. Biology and Env. Studies, Macalester College, 1990
M.S. Zoology, University of New Hampshire, Durham, 1999
Ph.D. Zoology, University of New Hampshire, Durham, 2002
Research Interests and Lab Responsibilities:
Marine ecology, benthic ecology, and non-indigenous species ecology.
Tyrrell, M.C., Dionne, M. and Eberhardt, S.A. 2012. Salt marsh fucoid algae: overlooked ecosystem 1 engineers of north temperate salt marshes. Estuaries and Coasts. 35(3)754-762.
Tyrrell, M.C., J.S. Link and H. Moustahfid. 2011. The importance of including predation in fish population models: implications for biological reference points. Fisheries Research doi:10.1016/j.fishres.2010.12.025
Tyrrell, M.C., Moustahfid, H., Link, J.S. and Overholtz, W. 2008. Evaluating the effect of predation mortality on forage species population dynamics in the Northeast US continental shelf ecosystem: an application using multispecies virtual population analysis. ICES Journal of Marine Science. 65: 1689-1700.
Tyrrell, M.C., M. Dionne and J.A. Edgerly. 2008. Physical factors mediate effects of grazing by a non-indigenous snail species on saltmarsh cordgrass (Spartina alterniflora) in New England marshes. ICES Journal of Marine Science, 65: 000-000.
Tyrrell, M.C. and J.E. Byers. 2007 Do artificial substrates favor nonindigenous fouling species over natives?. Journal of Experimental Marine Biology and Ecology. 342(1): 54-60.
Tyrrell, M.C., P. A. Guarino and L.G. Harris. 2006. Predatory impacts of two introduced crab species: Inferences from microcosms. Northeastern Naturalist. 13(3): 375-390.
Harris, L.G. and M.C. Tyrrell. 2001. Changing community states in the Gulf of Maine: synergism between invaders, overfishing and climate change. Biological Invasions 3: 9-21.
Tyrrell, M.C. and L.G. Harris. 2000. Potential impact of the introduced Asian shore crab, Hemigrapsus sanguineus, in northern New England: Diet, feeding preferences and overlap with the green crab, Carcinus maenas. Proceedings of the First National Conference on Marine Bioinvasions, Cambridge, MA. pp. 208-220.
Did You Know?
135 acres of seasonal freshwater wetlands exist across the dune landscape of Cape Cod National Seashore's Province Lands. These wetlands which typically dry down by mid-summer, support plants, serve as breeding areas for Spadefoot and Fowler’s toads, and provide drinking water for wildlife.