Staff Profile
Photo for Christina Simkanin


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I am a marine ecologist with interests in species range dynamics, latitudinal trends in species distributions, mechanisms of population establishment, and physiological responses of invertebrates to novel conditions. My research uses historical data, present day distribution patterns, and experimental manipulations to investigate human mediated change in marine ecosystems, with a focus on introduced species and climate change.  

Contact details

Smithsonian Environmental Research Center
P.O. Box 28
Contees Wharf Road
Edgewater, MD 21037
SERC blog post about my research


Please see my personal website (link above) for PDF's of my work. 

14. Merder J, Freund JA, Meysick L, Simkanin C, O’Riordan R, Power A (in press) Benthic communities on Irish rocky shores: spatial groupings, environmental drivers and key species. Journal of the Marine Biological Association of the UK.

13. Simkanin C, Cawood A (2017) Senior scientists as allies for equity. Nature (Correspondence). 546: 352. 

12. Simkanin C, Davidson IC, Therriault TW, Jamieson G, Dower JF (i2017) Manipulating propagule pressure to test the invasibility of subtidal marine habitats. Biological Invasions. 19(5): 1565-1575.

11. Simkanin C, Fofonoff PW, Larson K, Lambert G, Dijkstra JA, Ruiz GM (2016) Spatial and temporal dynamics of ascidian invasions in the United States. Marine Biology. 163: 1-16.

10. Dijkstra, JA and Simkanin C (2016) Intraspecific response of colonial ascidians to variable salinity stress in an era of global change. Marine Ecology Progress Series. 551: 215-255.

9.   Simkanin C, Dower JF, Filip N, Jamieson G, Therriault TW (2013) Biotic resistance to the infiltration of natural benthic habitats: Examining the role of predation in the distribution of the invasive ascidian Botrylloides violaceus. Journal of Experimental Marine Biology and Ecology. 439: 76-83.

8.   Simkanin C, Davidson IC, Dower JF, Jamieson G, Therriault TW (2012) Anthropogenic structures and the infiltration of natural benthos by invasive ascidians. Marine Ecology. 33: 499-511.

7.   Davidson IC and Simkanin C (2012) The biology of ballast water 25 years later. Biological Invasions. 14(1): 9-13.

6.   Power AM, McCrann K, McGrath D, O’Riordan RM, Simkanin C, Myers AA (2011) Physiological tolerance predicts species composition at different scales in a barnacle guild. Marine Biology. 58(10): 2149-2160.

5.   Simkanin C, Davidson IC, Faulkner M, Sytsma M, Ruiz G (2009) Intra-coastal ballast water flux and the potential for secondary spread of non-native species on the U.S. West coast. Marine Pollution Bulletin. 58: 366-374.

4.   Ruiz GM, Freestone AL, Fofonoff PW, Simkanin C (2009) Habitat distribution and heterogeneity in marine invasion dynamics: The importance of hard substrate and artificial structure. In: Marine Hard Bottom Communities: patterns, dynamics, diversity and change (Ed.) Martin Wahl. Springer Series: Ecological Studies, Vol. 206.

3.   Davidson IC and Simkanin C (2008) Skeptical of Assisted Colonization. Science. 322: 1048-1049 (letter).

2.   Simkanin C, Power AM, Myers A, McGrath D, Southward AJ, Mieszkowska N, Leaper R, O’Riordan R  (2005) Using historical data to detect temporal changes in the abundances of intertidal species on Irish shores.  Journal of the Marine Biological Association of the United Kingdom. 85: 1329-1340.

1.  Simkanin C (2004) The invasive seaweed Sargassum muticum (Yendo) Fensholt in Lough Hyne Marine Nature Reserve, Co. Cork. The Irish Naturalists’ Journal. 27 (12): 481-482.

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