Environmental Initiatives



Tim Essington in an associate professor at the University of Washington’s School of Aquatic and Fishery Sciences in the U.S.  Essington’s research and teaching aims to better understand human impacts on marine food webs and to identify policy instruments that are most effective at minimizing them.  He works in diverse ecosystems, ranging from estuaries to coastal and open oceans, and uses a wide range of quantitative tools to evaluate how ecological systems respond to fishing and other disturbances.  He also serves as a principal scientist with the Climate Impacts Group at the University of Washington where he leads work that seeks to better understand the consequences of climate change on regional fishery ecosystems.

Essington is a member of several advisory and editorial boards.  Currently he co-chairs the Scientific Steering Committee for the joint U.S. National Science Foundation and National Oceanic and Atmosphere Administration (NOAA) research program “Comparative Analysis of Marine Ecosystem Organization.”  He also has been on the Science Advisory Board for the National Center for Ecological Analysis and Synthesis.  He currently serves on the NOAA Science Advisory Board Ecosystem Science and Management Working Group. He is actively engaged in fostering ecosystem-based management at a regional level, presently co-authoring a comprehensive assessment of the biophysical status of the Puget Sound ecosystem.

Essington received a Bachelor of Science degree in biology from the University of Michigan in 1991, a Master of Science degree in fisheries and wildlife conservation from the University of Minnesota in 1995, and a Ph.D. in zoology from the University of Wisconsin-Madison in 1999. He served on the faculty of Stony Brook University for two years before joining the faculty of the University of Washington in 2003. 


B.S. Biology, 1991, University of Michigan
M.Sc. Fish and Wildlife Conservation, 1995, University of Minnesota
Ph.D. Zoology, 1999, University of Wisconsin - Madison

2007 – present Associate Professor. School of Aquatic and Fishery Sciences, University of Washington
Wakefield Endowed Chair in Fisheries
Principal Scientist, University of Washington Climate Impacts Group
Faculty member; Center for Quantitative Science
Faculty member: Program in Marine Biology
2003-2007 Assistant Professor. School of Aquatic and Fishery Sciences, University of Washington
2002-2003 Assistant Professor. Marine Sciences Research Center, Stony Brook University

Subject-Matter Editor, Ecological Applications 2003 – 2006
Assigning Editor, Ecological Applications 2006 – present
Associate Editor: Marine and Coastal Fisheries. 2008 – 2009
Guest Editor: Fish and Fisheries Special Volume: Implementing Ecosystem-Based Management 2009
Member and co-Chair, Scientific Steering Committee, Comparative Analysis of Marine Ecosystem Organization (CAMEO), 2009 – present
Science Advisory Board: National Center for Ecological Analysis and Synthesis (NCEAS), 2009-Present
Steering Committee: University of Washington Conservation of Living Systems graduate program. 2009 - present
Lead Author, 2010 Puget Sound Science Update “Biophysical status of Puget Sound” (with Dr. Terrie Klinger)
Member, Policy Group, European Commission’s “Forage Fish Interactions” program  


Walters, C.J. and Essington, T.E. in press. Recovery of bioenergetics parameters from
information on growth: overview of an approach based on statistical analysis of
tagging and size-at-age data. Open Fish Journal.

Hunsicker, M.E., Essington, T.E., Watson, RL, Sumaila, U.R. in press. The contribution
of cephalopods to global marine fisheries: can we have our squid and eat them
too? Fish and Fisheries.

Essington, T. E. 2010. Ecological indicators display reduced variation in North American
catch share fisheries. Proceedings Of The National Academy Of Sciences Of The
United States Of America 107:754-759.

Essington, T. E. 2010. Trophic cascades in opean ocean ecosystems.in J. W. Terborgh
and J. A. Estes, editors. The science of trophic cascades. Island Press.p 91-105.

Beaudreau, A. H., and T. E. Essington. 2009. Development of a new field-based
approach for estimating consumption rates of fishes and comparison with a
bioenergetics model for lingcod (Ophiodon elongatus). Canadian Journal of
Fisheries and Aquatic Sciences 66:565-578.

Courtenay, W. R., B. B. Collette, T. E. Essington, R. Hilborn, J. W. Orr, D. Pauly, J. E.
Randall, and W. F. Smith-Vaniz. 2009. Risks of Introductions of Marine Fishes:
Reply to Briggs. Fisheries 34:181-186.

Ruckelshaus, M., T. E. Essington, and P. Levin. 2009. Puget Sound, Washington, USA.
Pages 201-226 in K. McLeod and H. Leslie, editors. Ecosystem-Based
Management for the Oceans. Island Press, Washington D.C.

Watson, J. T., T. E. Essington, C. E. Lennert-Cody, and M. A. Hall. 2009. Trade-Offs in
the Design of Fishery Closures: Management of Silky Shark Bycatch in the
Eastern Pacific Ocean Tuna Fishery. Conservation Biology 23:626-635.

Winder, M., D. E. Schindler, T. E. Essington, and A. H. Litt. 2009. Disrupted seasonal
clockwork in the population dynamics of a freshwater copepod by climate
warming. Limnology and Oceanography 54:2493-2505.

de Mutsert, K., J. H. Cowan, T. E. Essington, and R. Hilborn. 2008. Reanalyses of Gulf
of Mexico fisheries data: Landings can be misleading in assessments of fisheries
and fisheries ecosystems. Proceedings Of The National Academy Of Sciences Of
The United States Of America 105:2740-2744.
Nominee: Timothy Essington CV2

Hunsicker, M. E., and T. E. Essington. 2008. Evaluating the potential for trophodynamic
control of fish by the longfin inshore squid (Loligo pealeii) in the Northwest
Atlantic Ocean. Canadian Journal of Fisheries and Aquatic Sciences

Watters, G. M., R. J. Olson, J. C. Field, and T. E. Essington. 2008. Range expansion of
the Humboldt squid was not caused by tuna fishing. Proceedings of the National
Academy of Sciences 105:E5.


Sign In

Member Sign In

Forgot Password?
Submit Not a Member? Join!

Forgot Password?

Send Password Not a Member? Join!

Change Password

(All Fields are required)
Send Message
Share this on: