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Jenn Dijkstra

Research Assistant Professor
Office 163

Center for Coastal & Ocean Mapping/Joint Hydrographic Center
Jere A. Chase Ocean Engineering Lab
24 Colovos Road
Durham, New Hampshire 03824

603.862.1775 (tel)
603.862.0839 (fax)

Dr. Jenn Dijkstra is a Research Assistant Professor in The School of Marine Science and Ocean Engineering and the Center for Coastal and Ocean Mapping. She serves on the New Hampshire commission for Coastal Marine Natural Resources and Environment. Her research interests include patterns and processes of biodiversity and biogeography, habitat structure, and introduced species. In these areas, her research focuses on 1) Biogeography of marine species, 2) Introduced species, 3) Biogenic structure and ecosystem function and 4) Integration of data collected by in-situ sampling and remote-sensing techniques to identify and characterize marine species assemblages. Dr. Dijkstra received a B.A. from the University of New Brunswick (Canada), a M.Sc. in Marine Biology from the University of Bremen (Germany) and a Ph.D. from the University of New Hampshire.


Click on the Publications tab to see Jenn's publications while at CCOM.

The following are publications prior to CCOM.


  • J. A. Dijkstra, Boudreau, J., and Dionne, M., “Species-specific mediation of temperature and community interactions by multiple foundation species”, Oikos, vol. 121. pp. 646-654, 2012.


  • S. G. Bullard, Carman, M. R., Rocha, R. M., Dijkstra, J. A., and Goodwin, A., “Abundance and diversity of ascidians in Pacific Panama. Aquatic Invasions ”, Aquatic Invasions, vol. 6. pp. 381-390, 2011.

  • M. R. Carman, Bullard, S. G., Rocha, R. M., Lambert, G., Dijkstra, J. A., Roper, J. J., Goodwin, A., Baker, E. M., and Carman, M., “Ascidians at the Pacific and Atlantic entrances to the Panama Canal. Aquatic Invasions ”, Aquatic Invasions, vol. 6. pp. 371-380, 2011.

  • J. A. Dijkstra, Westerman, E. L., and Harris, L. G., “The effects of climate change on species composition, succession, and phenology: A case study”, Global Change Biology, vol. 17. pp. 2360-2369, 2011.

  • J. A. Dijkstra  and Nolan, R., “Potential of the invasive colonial ascidian, Didemnum vexillum, to limit the escape response of the sea scallop, Placopecten magellanicus”, Aquatic Invasions, vol. 6. pp. 451-456, 2011.


  • J. A. Dijkstra, Westerman, E. L., Brooks, C., and Harris, L. G., “Linking life-history characteristics, biogeography and success of non-natives in subtidal communities in the Gulf of Maine”, Advancing ecosystem research for the future of the Gulf, vol. 2904. Canadian Technical Report for Fisheries and Aquatic Sciences, St. Andrews, New Brunswick, Canada, 2010.


  • E. L. Westerman, Dijkstra, J. A., and Harris, L. G., “High natural fusion rates in a Botryllid ascidian. Marine Biology”, Marine Biology, vol. 156. pp. 2613-2619, 2009

  • P. C. Valentine, Carman, M. R., Dijkstra, J. A., and Blackwood, D., “Larval recruitment of the colonial ascidian Didemnum vexillum, seasonal water temperatures in New England coastal and offshore waters, and implications for spread of the species.”, Aquatic Invasions, vol. 4. pp. 153-168, 2009

  • E. L. Westerman, Dijkstra, J. A., and Harris, L. G., “Variation in brooding period masks similarities in response to changing temperatures. ”, Marine Ecology Progress Series, vol. 391. pp. 13-19, 2009.


  • J. A. Dijkstra, Dutton, A., Westerman, E., and Harris, L. G., “Heart Rate reflects osmostic stress levels in two introduced colonial ascidians Botryllus schlosseri and Botrylloides violaceus”, Marine Biology, vol. 154. pp. 805-811, 2008.


  • S. G. Bullard, Lambert, G., Carman, M. R., Byrnes, J., Whitlatch, R., Ruiz, G., Miller, R., Harris, L., Valentine, P., Collie, J., Pederson, J., McNaught, D., Cohen, A., Asch, R., Dijkstra, J. A., and Heinonen, K., “Distribution and ecology of Didemnum sp.”, Journal of Experimental Marine Biology and Ecology, vol. 342. pp. 99-108, 2007.

  • J. A. Dijkstra, Harris, L., and Westerman, E., “The long-term distribution and ecology of four invasive colonial ascidians in the Gulf of Maine. ”, Journal of Experimental Marine Biology and Ecology, vol. 342. pp. 61-68, 2007.

  • J. A. Dijkstra, Sherman, H., and Harris, L., “The role of colonial ascidians in altering biodiversity in marine fouling communities”, Journal of Experimental Marine Biology and Ecology, vol. 342. pp. 168-171, 2007.


  • R. E. Grizzle, Ward, L. G., Langan, R., Schnaittacher, G. M., Dijkstra, J. A., and Adams, J. R., “Environmental monitoring at an open ocean aquaculture site in the Gulf of Maine: Results for 1997-2000. ”, in Open ocean aquaculture: From research to commercial reality, Baton Rouge, LA: The World Aquaculture Society, 2003, pp. 105-117.