Access at seashore locations
The stairs at Nauset Light Beach in Eastham are closed due to storm damage. Herring Cove North Lot in Provincetown sustained damage resulting in closure of multiple parking spaces. The Nauset Marsh Trail bridge was destroyed in a 2012 storm. More »
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?
The Dune Shacks of Peaked Hill Bars Historic District Seashore was designated in 1989 as a special place in the dunes within Cape Cod National Seashore. Dune shack living emerged in the early 20th century and was based in cottages built by coastguardsmen stationed at nearby stations.