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Jenn Dijkstra

Affiliate 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)

Jenn Dijkstra received her Ph.D. in Zoology in 2007 at the University of New Hampshire, has a B.A. from the University of New Brunswick (Canada), and a Professional M.S. in Marine Biology from the University of Bremen (Germany). She has conducted research in a variety of geographical areas and habitats, from polar to tropical and from intertidal to deep-water. Her research interests include patterns and processes of biodiversity and succession, biogeography, habitat structure, climate change and non-native species. In these areas, her research focused on 1) the interaction between climate change and distribution of non-native species, community structure and function; and bioaccumulation of contaminants in food webs, and 2) quantifying habitat structure and its role in determining species interactions and community function.

Jenn’s research interests at CCOM center on using remote sensing to map and characterize benthic habitats, and to explore the association of species and their habitats.
 

Publications

2012

Dijkstra, J.A., J. Boudreau, M. Dionne (2012). Species-specific mediation of temperature and community interactions by multiple foundation species Oikos 121(5): 646-654. Journal article

Dijkstra, J.A., K.L. Buckman, D. Ward, D.W. Evans, M. Dionne, C.Y. Chen. (2012) Experimental and Natural Warming Elevates Mercury Concentrations in Estuarine Fish. Benthic Ecology Meeting, Norfolk, VA. Conference abstract 2011


2011

Dijkstra, J.A., E.L. Westerman and L.G. Harris (2011). The effects of climate change on species composition, succession, and phenology. A case study.Global Change Biology.17: 2360-2369. Journal article

Dijkstra, J.A. and R. Nolan. (2011) Potential of the invasive colonial ascidian, Didemnum vexillum, to limit the escape response of the sea scallop, Placopectenmagellanicus. Aquatic Invasions 6(4): 451-456. Journal article

Bullard, Stephan G., M.R. Carman, R.M.Rocha, J.A.Dijkstra, A.Goodwin. (2011) Abundance and diversity of ascidians in Pacific Panama. Aquatic Invasions 6(4): 381-390. Journal article

Carman, M.R., S.G. Bullard, R.M. Rocha, G. Lambert, J.A. Dijkstra, J.J. Roper, A. Goodwin, E.M. Baker and M. Carman (2011). Ascidians at the Pacific and Atlantic entrances to the Panama Canal. Aquatic Invasions 6(4): 371-380. Journal article

Dijkstra, J.A., M. Litvaitis. (2011) Population structure and small scale thermal tolerance of a non-native colonial ascidian. Final report to New Hampshire Sea Grant.

Dijkstra, J.A., David W. Evans, Celia Y. Chen, Michele Dionne (2011). Influence of habitat heterogeneity and body size on methyl mercury accumulation in salt marsh nekton. 10th International Conference on Mercury as a Global Pollutant. Halifax, NS (Canada). Conference abstract

Dijkstra, J.A., E.L. Westerman, L.G. Harris (2011). The effects of climate change on species composition, succession, and phenology. Benthic Ecology Meeting. Mobile, AL. Conference abstract


2010

Dijkstra, J.A., E.L. Westerman, C. Brooks, L.G. Harris. (2010). Linking life-history characteristics, biogeography and success of non-natives in subtidal communities in the Gulf of Maine. Gulf of Maine Symposium – Advancing ecosystem research for the future of the Gulf: Proceedings of a symposium held in St. Andrews, NB. Canadian Technical Report of Fisheries and Aquatic Sciences 2904.p.152

Dijkstra, J.A., E.L. Westerman, L.G. Harris (2010). Linking physiology, biogeography and success of non-native species in subtidal communities in the Gulf of Maine. International Invasive Sea-Squirt Conference. Woods Hole, MA. Conference abstract

Dijkstra, J.A., J. Boudreau*, M. Dionne (2010).Species-specific effects of ecosystem engineers. Benthic Ecology Meeting. Wilmington, NC. Conference abstract


2009

Dijkstra, J.A. and L. G. Harris (2009). Maintenance of diversity altered by a shift in dominant species: Implications for species coexistence. Marine Ecology Progress Series.387: 71-80. Journal article

Westerman, E.G., J.A. Dijkstra, L.G. Harris (2009). High natural fusion rates in a Botryllid ascidian. Marine Biology. 156: 2613-2619. Journal article

Westerman, E.L., R.B. Whitlatch, J.A. Dijkstra, L.G. Harris (2009). Variation in brooding period masks similarities in response to changing temperatures. Marine Ecology Progress Series.391: 13-19. Journal article

Valentine, P. C., M. R. Carman, J. Dijkstra, D. Blackwood (2009). Larval recruitment of the colonial ascidian Didemnumvexillum, seasonal water temperatures in New England coastal and offshore waters, and implications for spread of the species. Aquatic Invasions 4(1): 153-168. Journal article

Dijkstra, J. A. and M. Dionne 2009. Effects of climate change and salt marsh grass communities and trophic transfer of metals. A final report to Maine Sea Grant.

Dijkstra, J. A. and R. Nolan. and 2009.  Ecological effects of Didemnum vexillum on the swimming behavior of the Sea Scallop, Placopectenmagellanicus. A final report to the Department of Maine Resources and the New Hampshire Department of Fish and Game

Dijkstra, J.A., W.L. Lambert, C. Brooks*, L.G. Harris (2009).Trophic level response of native predator and prey populations to invasive colonial ascidians. International Marine Bioinvasions Conference. Portland, OR. Conference abstract


2008

Dijkstra, J. A., Dutton, E. Westerman and L. G. Harris (2008).Heart Rate reflects osmostic stress levels in two introduced colonial ascidians Botryllus schlosseri and Botrylloidesviolaceus. Marine Biology. Vol. 154 5: 805-811. Journal article

Dijkstra, J. A. and L. G. Harris 2008. Predicting the success of invasive species in the Great Bay Estuarine Reserve. A final report to the New Hampshire Estuaries Project.

Harris, L.G. and J. A. Dijkstra 2008. Monitoring the seasonal and long-term impacts of invasive species in the Great Bay Estuary, New Hampshire. A final report to the New Hampshire Estuaries Project.

Harris, L.G. and J. A. Dijkstra 2008. Recruitment, seasonal structure and local eradication of the invasive tunicate, Didemnum vexillum in the Southwestern Gulf of Maine.A final report to the Department of Fisheries and Oceans, Canada.

Brooks C. and J. A. Dijkstra (2008).Temperature effect on heart rates in introduced and invasive colonial ascidians (Botryllus schlosseri,Didemnum sp., Botrylloides violaceus and Diplosoma listerianum) in the Gulf of Maine. ASLO, Orlando, FL.  Conference abstract

Brooks, C., L. G. Harris, and J. A Dijkstra (2008) Physiological response of invasive tunicate species to temperature in the Gulf of Maine: Response reflects seasonal distribution. Benthic Ecology Meeting.Providence Rhode Island. Conference abstract


2007

Dijkstra, J., H. Sherman, L. Harris (2007). The role of colonial ascidians in altering biodiversity in marine fouling communities.Journal of Experimental Marine Biology and Ecology. 342: 168-171.Journal article

Dijkstra, J., L. Harris and E. Westerman (2007). The long-term distribution and ecology of four invasive colonial ascidians in the Gulf of Maine.Journal of Experimental Marine Biology and Ecology.342: 61-68. Journal article

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

Dijkstra, J.A., A. Dutton*, E.L. Westerman, L.G. Harris (2007). Effects of salinity on mortality and heart rates of two introduced colonial ascidians, Botryllus schlosseri and Botrylloides violaceus. Society for Comparative and Integrative Biology. Pheonix, AZ. Conference abstract                                            

Valentine PC, M.R. Carman, J. A. Dijkstra, D.S. Blackwood, E. Westerman, L.G. Harris (2007) Seasonal water temperature cycles and the recruitment of larvae of the colonial ascidian Didemnum sp. in New England coastal and offshore waters (abs). Second International Invasive Sea Squirt Conference. Prince Edward Island, Canada. Conference abstract

Dijkstra, J. and M. Carman (2007). Interspecific overgrowth of ascidians in New England coastal habitats.Second International Invasive Sea Squirt Conference, Prince Edward Island, Canada. Conference abstract

Dijkstra, J. and L. Harris (2007). Invasive species alter the maintenance of species diversity. Benthic Ecology Meetings, Atlanta, GA. Conference abstract


2006

Dijkstra, J. and L. Harris (2006). Long-term shifts in seasonal biodiversity patterns in a  marine fouling community. Society for Integrative and Comparative Biology. Orlando, Florida. Conference abstract

Dijkstra, J., L. Harris, R. Whitlatch and S. Bullard (2006) Factors linking anthropogenic disturbances and climate change to a reduction in the seasonal cycles of species composition. 35thAnnual Benthic Ecology Meetings, Tampa, FL. Conference abstract.


2005

Pederson, J., R. Bullock, J. Carlton, J. Dijkstra, N. Dobroski, P. Dyrynda, R. Fisher, L. Harris, N. Hobbs, G. Lambert, E. Lazo-Wasem, A. Mathieson, M. Miglietta, J. Smith, J. Smith, M. Tyrrell (2005). Rapid assessment survey of non-native and native marine species of floating dock communities. MIT Sea Grant College Program Publication No. 05-3

Bailey M., B. Curran, J. Dijkstra, L. Rodrigues, C. Manning, G. Beaudet, D. McGillicuddy, and A. Buklin, (2005). Species specific PCR discrimination of cryptic copepod species on Georges Bank (NW Atlantic)- Report of the U.S. GLOBEC Georges Bank Target Species Meeting.

Dijkstra J., and L. Harris (2005) The role of invasive ascidians in altering successional patterns of an estuarine marine fouling community. 4th International Marine Bioinvasions Conference, Wellington, New Zealand. Conference abstract

Dijkstra, J., L. Harris and E. Westerman (2005) Distribution and ecology of four colonial ascidians in the Gulf of Maine. 1st International invasive sea-squirt conference, Woods Hole, Massachusetts. Conference abstract

Dijkstra, J., H. Sherman and L. Harris (2005) Predicting the future of community development: A comparative approach. 1st International invasive sea-squirt conference.Woods Hole, Massachusetts. Conference abstract

Dijkstra, J. and L. Harris (2005) Long-term changes in a marine fouling community. 34th Annual Benthic Marine Ecology Meetings, Norfolk Virginia. Conference abstract


2003

Grizzle R.E., L.G. Ward, R. Langan, G.M. Schnaittacher, J.A. Dijkstra, J.R. Adams (2003). Environmental monitoring at an open ocean aquaculture site in the Gulf of Maine: Results for 1997-2000. In CJ. Bridger and BA Costa-Pierce eds. Open ocean aquaculture: From research to commercial reality. The World Aquaculture Society, Baton Rouge, Louisiana, United States.


2002

Dijkstra, J. and J. Gutt, (2002) Impact of iceberg scouring on benthic assemblages in the Eastern Weddell Sea, Antarctica, Benthic Ecology Meetings, Orlando FL.


2001

Dijkstra, J. and A.  Bucklin (2001) Ocean basin dispersal of the sea cucumber, Cucumaria frondosa using mitochondrial COI DNA, 30th Annual Benthic Ecology Meeting, Durham, NH. Conference abstract

Grizzle, Ray, Larry Ward, Richard Langan, Gwynne Schnaittacher and J. Dijkstra (2001). Environmental monitoring in the vicinity of an open ocean aquaculture site in the southwestern Gulf of Maine: Some preliminary results. Open Ocean Aquaculture IV. St. Andrews, Canada. Conference abstract

Ward, L.G. and J. Dijkstra (2001). Geology and sedimentology. In New Hampshire open ocean aquaculture demonstration project, site description and environmental monitoring report on activities from fall 1997 to winter 2000. Ed. Larry Ward. Technical Report, University of New Hampshire.

Grizzle, Raymond E, R. Langan, G. M. Schnaittacher and J. A. Dijkstra (2001).Benthic infauna and epifauna. In New Hampshire open ocean aquaculture demonstration project, site description and environmental monitoring report on activities from fall 1997 to winter 2000. Ed. Larry Ward Technical Report, University of New Hampshire.


1998

Gutt, J., A. Buschmann, J. Dijkstra, N. Tuxeido, D. Piepenburg (1998). Effect of iceberg disturbance in the Eastern Weddell Sea, in The Expedition Antarktis XV/3 EASIZ II of Polarstern to the eastern Weddell Sea