picture of Lara Horstmann-Dehn

Lara Horstmann-Dehn

Associate Professor

Fisheries Ecology
Marine Biology
Marine Mammals
Institute of Marine Science
232 Irving II
Fairbanks, AK 99775-7220
(907) 474-7724
(907) 474-7204
Office Hours
Tuesday and Thursday
10:00 - 11:30 am
232 Irving II
Education
University of Kiel (Zoology)
M.S.
1997
University of Alaska Fairbanks (Biology)
Ph.D.
2005
Advising:
  • Patrick Charapata
  • Casey Clark
  • Theresa Floyd
  • Deanna Leonard
  • Linnea Pearson
  • Suzanne Teerlink
  • Jennifer Dushane
Author
Wang, S.W., Springer, A.M., Budge, S.M., Horstmann-Dehn, L., Quakenbush, L.T., Wooller, M.J. In p. Carbon sources and trophic relationships of ice seals during recent environmental shifts in the Bering Sea. Ecological Applications.

Tu, K.L., Blanchard, A.L., Iken, K. Horstmann-Dehn, L. In P. Small-scale spatial variability in benthic food webs in the northeastern Chukchi Sea. Marine Ecology Progress Series. doi: 10.3354/meps11216

Wright, D.L., Witteveen, B., Wynne, K., Horstmann-Dehn, L.. in p. Evidence of two subaggregations of humpback whales on the Kodiak, Alaska feeding ground revealed from stable isotope analysis Marine Mammal Science. doi: 10.1111/mms.12227

Seymour, J., Horstmann-Dehn, L., Wooller, M.. 2014. Proportion of higher trophic-level prey in the diet of Pacific walruses (Odobenus rosmarus divergens). Polar Biology. doi: 10.1007/s00300-014-1492-z

Seymour, J., Horstmann-Dehn, L., Wooller, M.. 2014. Inter-annual variability in the proportional contribution of higher trophic levels to the diet of Pacific walruses. Polar Biology. doi: 10.1007/s00300-014-1460-7

Seymour, J., Horstmann-Dehn, L., Rosa, C., Lopez, A.. 2014. Occurrence and genotypic analysis of Trichinella in Alaskan marine-associated mammals of the Bering and Chukchi seas Veterinary Parasitology . 200:153-164.

S. S. Carroll, L. Horstmann-Dehn and B. L. Norcross. 2013. Diet history of ice seals using stable isotope ratios in claw growth bands Canadian Journal of Zoology-Revue Canadienne De Zoologie. 91(4):191-202.

Horstmann-Dehn, L., Follmann, E.H., Rosa, C., Zelensky, G., George, C.. 2012. Stable carbon and nitrogen isotope ratios in muscle and epidermis of Arctic whales. Marine Mammal Science. 28:E173–E190.

L. Horstmann-Dehn, E. H. Follmann, C. Rosa, G. Zelensky and C. George. 2012. Stable carbon and nitrogen isotope ratios in muscle and epidermis of arctic whales Marine Mammal Science. 28(2):E173-E190.

J. C. George, E. Follmann, J. Zeh, S, M. ousa, R. Tarpley, R. Suydamn and L. Horstmann-Dehn. 2011. A new way to estimate the age of bowhead whales (Balaena mysticetus) using ovarian corpora counts Canadian Journal of Zoology. 89:840-852.

Rosa, C., Blake, J.E., Bratton, G.R., Dehn, L-A., Gray, M.J., O’Hara, T.M.. 2008. Heavy metal and mineral concentrations and their relationship to histopathological findings in the bowhead whale (Balaena mysticetus). Science of the Total Environment . 399:165-178.

George, J.C., Wetzel, D., O’Hara, T.M., Robertson, K., Dehn, L., Leduc, R., Reynolds, J.. 2008. An analysis of ancient bowhead mangtak from Gambell Alaska: What can it tell us? Scientific Committee. SC/60/E2

Kahler, E., Burton, T., Hamazaki, T., Borba, B.M., Jasper, J., Dehn, L.-A. 2007. Assessment of Ichthyophonus in Chinook salmon within the Yukon River Drainage, 2004. Alaska Department of Fish and Game, Fishery Data Series. No. 07-64

Dehn, L.-A., Sheffield, G. G., Follmann, E. H., Duffy, L. K., Thomas, D. L., O’Hara, T. M.. 2007. Feeding ecology of phocid seals and some walrus in the Alaskan and Canadian Arctic as determined by stomach contents and stable isotope analysis. Polar Biology. 30:167-181.

Dehn, L.-A., Follmann, E. H., Rosa, C., Duffy, L. K., Thomas, D. L., Bratton, G. R., Taylor, R. J., O’Hara, T. M.. 2006. Stable isotope and trace element status of subsistence-hunted bowhead and beluga whales in Alaska and gray whales in Chukotka. Marine Pollution Bulletin . 52:301-319.

Dehn, L.-A., Follmann, E. H., Thomas, D. L., Sheffield, G. G., Rosa, C., Duffy, L. K., O’Hara, T. M.. 2006. Trophic relationships in an Arctic food web and implications for trace metal transfer. Science of the Total Environment . 362:103-123..

Dehn, L.-A., Sheffield, G. G., Follmann, E. H., Duffy, L. K., Thomas, D. L., Bratton, G. R., Taylor, R. J., O’Hara, T. M.. 2005. Trace elements in tissues of phocid seals harvested in the Alaskan and Canadian Arctic – Influence of age and feeding ecology. Canadian Journal of Zoology. 83:726-746.

Hughes-Hanks, J. M., Rickard, L. G., Panuska, C., Saucier, J. R., O’Hara, T. M., Dehn, L., Rolland, R. M.. 2005. Prevalence of Cryptosporidium spp. and Giardia spp. in five marine mammal species. Journal of Parasitology. 91:1225-1228..

O’Hara, T. M., Hoekstra, P., Rosa, C., Dehn, L.-A., Woshner, V., Wise, J., Ylitalo, G., Wetzel, D., Bratton, G.. 2004. Bowhead whale contaminants: A review of current state of knowledge and possible future directions. SC/56/E1

Hoekstra, P. F., Dehn, L.-A., George, J. C., Muir, D. C. G., and O’Hara, T. M. 2002. Trophic ecology of bowhead whales (Balaena mysticetus) compared with that of other arctic marine biota as interpreted from carbon-, nitrogen-, and sulfur-isotope signatures. Canadian Journal of Zoology. 80:223-231.

Specialties
  • Fisheries Ecology
  • Marine Biology • Marine Mammals
Current Research Projects
  • Evaluation of Chinook Salmon Mortality Factors in Alaska
  • WALRUS–Walrus Adaptability and Long-term Responses
  • Using multi-proxy data to project Sustainability
  • Freshwater growth and survival in AYK Chinook salmon: maternal influences, predation mortality, and the ultimate effects on stock productivity
  • Bowhead whale feeding in the western Beaufort Sea (BOWFEST)
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