Curriculum Vitae

Timothy Loher, PhD

International Pacific Halibut Commission

PO Box 95009

Seattle, WA 98145-2009

Phone: (206) 634-1838, ext. 212

FAX: (206) 632-2983

Email: tim@iphc.washington.edu

EDUCATION

PhD in Fisheries, University of Washington, Seattle, Washington. 2001. Dissertation: Recruitment variability in southeast Bering Sea red king crab (Paralithodes camtschaticus, Tilesius 1815): the roles of early juvenile habitat requirements, spatial population structure, and physical forcing mechanisms.

MS in Marine Biology, Northeastern University, Boston, Massachusetts. 1992. Thesis: Cunner (Tautogolabrus adspersus) predation in the rocky subtidal: effects on juvenile barnacles and mussels.

BS in Biology (minor in Chemistry), State University of New York, Geneseo, New York. Graduated with Honors, 1987.

POSITIONS HELD

International Pacific Halibut Commission, Seattle, Washington (June 2001-present).

Research Biologist.

Responsible for the development and implementation of an ecological research program to investigate the importance of early life-history, behavior, and environmental forcing on spatial stock structure and recruitment patterns of Pacific halibut (Hippoglossus stenolepis) within the northeast Pacific Ocean and eastern Bering Sea.

University of Washington, School of Fisheries, Seattle (1994-2001).

Researcher and Teaching Assistant in temperate and subarctic fisheries biology.

Lead scientist on a NMFS Saltenstall-Kennedy grant studying early life history and habitat needs of Alaskan red king crab (Paralithodes camtschaticus) in southeast Alaska and the importance of habitat limitations on recruitment patterns in the Bering Sea.

Field coordinator for Dr. David Armstrong within the Pacific Northwest Coastal Estuaries Research (PNCERS) program studying abundance, distribution, and recruitment patterns of juvenile Dungeness crab (Cancer magister) and English sole (Pleuronectes vetelus).

Research diver under Dr. Glenn VanBlaricom in Prince William Sound, Alaska, studying post-spill recovery of subtidal invertebrate populations following the Exxon Valdez oil spill.

Teaching assistant and lab coordinator for an introductory course in fisheries, and guest lecturer for classes in invertebrate zoology and marine ecology.

Stanford University, Hopkins Marine Station, Pacific Grove, California (August 1995).

Research diver under Dr. Mark Denny at Aquarius Undersea Research Habitat, Key Largo, Florida.

Ten-day underwater saturation mission (#95-7) studying the effects of internal waves and oceanographic processes on nutrients dynamics and larval delivery to a subtropical coral reef system.

National Marine Fisheries Service, Seattle, Washington (May-June 1995).

Research technician, annual southeast Bering Sea groundfish bottom-trawl survey.

Assisted with sample sorting and onboard activities associated with the industry-funded 1995 trawl survey dedicated to examining the distribution of adult red king crab in Bristol Bay.

The Academy of Natural Sciences, Philadelphia, Benedict Estuarine Research Laboratory, Benedict, Maryland (1992-1994).

Staff scientist, fish department: field research coordinator.

Responsible for experimental design and execution of several projects examining the effects of low dissolved oxygen on trophic interactions in coastal estuaries, relationships between oyster reef hydrodynamics and settlement of larval fish, impingement of fish and shellfish within power plant cooling water intakes, and the effects of selenium on the physiology of the fathead minnow (Pimephales promelas).

Northeastern University Marine Science Center, Nahant, Massachusetts (1988-1992).

Research and teaching assistant in temperate and tropical marine and terrestrial biology.

Scientific surface support diver for Dr. Kenneth P. Sebens at Aquarius Undersea Research Habitat, St. Croix, US Virgin Islands (mission #88-5).

Scientifc diver under Dr. Jon D. Witman and Dr. Kenneth P. Sebens for numerous offshore and nearshore research cruises in the Gulf of Maine and the Florida Keys.

Taught laboratories and classes for undergraduate and graduate courses in introductory zoology, coral reef ecology, tropical fish biology, tropical-terrestrial ecology, temperate marine benthic ecology, marine invertebrate biology, and advanced plant biology in New England, and also at Discovery Bay Marine Laboratory, Jamaica, West Indies.

Center for Coastal Studies, Provincetown, Massachusetts (1987).

Research Technician in studies of resident cetacean populations.

Performed field data collection, film development and printing, and analysis of age and sex-specific migratory patterns of the humpback whale (Megaptera novaeangliae).

SPECIAL SKILLS

Experienced in shipboard operations for ecological and oceanographic studies in coastal settings including the Gulf of Alaska, the US Pacific northwest, Gulf of Maine, Chesapeake Bay, and the Caribbean Sea. This experience includes extensive operation of small boats and the deployment and operation of oceanographic and fisheries research gear such as CTD, benthic cores, suction dredge and otter-trawls.

Experienced in scientific grant writing, budget management, and the coordinating and supervision of personnel in the field.

Trained and highly experienced diver with approximatley 1,200 research dives in both wet and dry suits using air, Nitrox/mixed gas, and saturation diving in coastal Alaska, the Gulf of Maine, Chesapeake Bay, and the Caribbean. SCUBA certifications include:

NOAA/NURP saturation certification - summer 1995, Key Largo, Florida.

NOAA Nitrox - initial training and certification June, 1989, Nahant, Massachusetts.

AAUS scientific diver - certified through Northeastern University (Boston) and the University of Washington (Seattle).

YMCA advanced - summer, 1988, Boston, Massachusetts.

NASDS basic - spring, 1987, Rochester, New York.

Experienced in the design and construction of experimental apparatus and systems.

Extensive computer experience using a variety of word processing, data analysis, statistical, graphical, and programming softwares.

GRANTS WRITTEN, RECEIVED, AND MANAGED

“Thermal habitat preferences of Pacific Halibut and the potential influence of hydrographic variability on a local coastal fishery.” North Pacific Marine Research Board grant #((())) ; granting period, May 2003 - April 2005. PIs: T. Loher (IPHC) and H. McCarty (Central Bering Sea Fisherman’s Association). Total funding: $92,920.

“Recruitment limitation in Alaska red king crab: the importance of early life history stages.” NMFS Saltonstall-Kennedy Grant #NA76FD0036; granting period April 1997 - September 1999. PIs: D. Armstrong and R. Francis (University of Washington). Total funding: $115,175.

GRADUATE COMMITTEE APPOINTMENTS

Andy Seitz, University of Alaska, Fairbanks (PhD candidate)

PEER-REVIEWED PUBLICATIONS

Loher, T. In review. Investigating declining halibut (Hippoglossus stenolepis) abundance in the Pribilof Islands: Is temperature important? Deep Sea Research.

Loher, T., and Seitz, A. In press. Seasonal migration and environmental conditions experienced by Pacific halibut, elucidated from Pop-up Archival Transmitting tags. Marine Ecology Progress Series.

Loher, T., and Armstrong, D.A. 2005. Historical changes in the abundance and distribution of adult female red king crabs (Parlithodes camtschaticus) in Bristol Bay (Alaska), and potential relationship with bottom temperature. Fisheries Oceanography 14(4):292-306.

Loher, T., Armstrong, D.A., and Stevens, B.G. 2001. Growth of juvenile red king crab (Paralithodes camtschaticus) in Bristol Bay (Alaska) elucidated from field sampling and analysis of trawl survey data. Fishery Bulletin 99(4): 572-587.

Loher, T., and Armstrong, D.A. 2000. Effects of habitat complexity and relative larval supply on the establishment of early benthic phase red king crab (Paralithodes camtschaticus Tilesius, 1815) populations in Auke Bay, Alaska. Journal of Experimental Marine Biology and Ecology 245(1):83-109.

Loher, T., Hill, P.S., Harrington, G.A., and Cassano, E. 1998. Management of Bristol Bay red king crab: a critical intersections approach to fisheries management. Reviews in Fisheries Science 6(3): 169-251.

Breitburg, D.L., Loher, T., Pacey C.A., and Gerstein, A. 1997. Varying effects of low dissolved oxygen on trophic interactions in an estuarine food web. Ecological Monographs 67(4): 489-507.

Breitburg, D.L., Palmer, M.A., and Loher, T. 1995. Larval distributions and the spatial patterns of settlement of an oyster reef fish: responses to flow and structure. Marine Ecology Progress Series 125(1-3): 45-60.

Breitburg, D.L., and Loher, T. 1993. Effects of physical disturbance on fish trophic interactions: the importance of consumer mobility. In: Stouder, D.J., Fresh, K. and Feller, R.J. (Eds.), Feeding Ecology of Fishes: Theory and Application. Belle Baruch Library in Marine Science, University of South Carolina Press, Columbia. Pp. 241-253.

EXTERNALLY-REVIEWED SCIENTIFIC REPORTS

Seitz, A., Loher, T., and Nielsen, J.L. In review. Seasonal movements and environmental conditions experienced by Pacific halibut in the Aleutian Islands, examined by pop-up satellite tags. International Pacific Halibut Commission Scientific Report.

Seitz, A., Loher, T., and Nielsen, J.L. In review. Seasonal movements and environmental conditions experienced by Pacific halibut in the Bering Sea, examined by pop-up satellite tags. International Pacific Halibut Commission Scientific Report.

Loher, T., and Seitz, A. In review. Seasonal migration and environmental conditions experienced by Pacific halibut in the Gulf of Alaska, elucidated from Pop-up Archival Transmitting (PAT) tags. International Pacific Halibut Commission Scientific Report.

Hauser, L., Spies, I., and Loher, T. In review. Microsatellite screening in Pacific halibut (Hippoglossus stenolepis) and a preliminary examination of population structure based on observed DNA variation. International Pacific Halibut Commission Scientific Report.

TECHNICAL AND INTERNAL REPORTS

Loher, T. 2005. Cruise report for 2003-04 southeast Alaska juvenile halibut collection charters. International Pacific Halibut Commission Report of Assessment and Research Activities 2004:245-262.

Loher, T. 2005. Cruise report for 2004 winter charters. International Pacific Halibut Commission Report of Assessment and Research Activities 2004:287-296.

Loher, T. 2005. Thermal habitat preferences of Pacific halibut and the potential influence of hydrographic variability on a local coastal fishery: project progress report. International Pacific Halibut Commission Report of Assessment and Research Activities 2004:307-318.

Loher, T., and Seitz, A. 2005. Investigating seasonal migration of adult Pacific halibut (Hippoglossus stenolepis) along the Aleutian Chain using pop-up satellite transmitting archival tags. International Pacific Halibut Commission Report of Assessment and Research Activities 2004:299-306.

Loher, T., and Wischniowski, S. 2005. Using otolith chemistry to determine halibut nursery origin: an initial test of concept. International Pacific Halibut Commission Report of Assessment and Research Activities 2004:263-286.

Loher, T. 2004. Assessing seasonal migration of adult halibut in the Gulf of Alaska using pop-up satellite transmitting archival tags. International Pacific Halibut Commission Report of Assessment and Research Activities 2003:275-288.

Loher, T., and Wischniowski, S. 2004. Using halibut otolith microchemistry to determine nursery origin: progress report on an initial test of concept. International Pacific Halibut Commission Report of Assessment and Research Activities 2003:289-298.

Loher, T., and Wischniowski, S. 2003. Using otolith microchemistry to determine nursery origin: an initial test of concept. International Pacific Halibut Commission Report of Assessment and Research Activities 2002:221-228.

Wischniowski, S., Vatter, A., and Loher, T. 2003. Planning for the future: otolith collections and archiving for an elemental world. International Pacific Halibut Commission Report of Assessment and Research Activities 2002:229-238.

Leaman, B.L., Geernaert, T.O., Loher, T., and Clark, W.G. 2002. Further examination of biological issues concerning an extended commercial fishing season. International Pacific Halibut Commission Report of Assessment and Research Activities 2001:53-74.

SELECTED PRESENTATIONS

01/06 Marine Science in Alaska, 2006 Symposium, Anchorage, January 22-25. “Investigating declining halibut (Hippoglossus stenolepis) abundance in the Pribilof Islands: Is temperature important?” (oral)

10/05 Sixth International Flatfish Symposium: Habitats in Relation to Recruitment Variability, Mizuru, Japan, October 12-16, 2004. “Otoliths as natural tags to study the dispersal of Pacific halibut: variation in juvenile otolith microchemistry, and the importance of scale.” (oral)

10/05 Sixth International Flatfish Symposium: Habitats in Relation to Recruitment Variability, Mizuru, Japan, October 12-16, 2004. “Pop-up Archival Transmitting (PAT) tags to examine seasonal movement of Pacific halibut in the Gulf of Alaska.” (poster)

10/05 Sixth International Flatfish Symposium: Habitats in Relation to Recruitment Variability, Mizuru, Japan, October 12-16, 2004. “A preliminary analysis of genetic population structure in Pacific halibut: do deep Aleutian passes generate distinct subpopulations?” (poster)

09/05 Invited Speaker, Meeting of the Pribilof Islands Collaborative: Promoting a Strong Economy and Healthy Ecosystem for Crabs and Halibut, Anchorage, Alaska, September 14-16, 2005. “The importance of population structure and results of ongoing research on Pacific halibut.”

06/05 Invited Speaker, University of Alaska, Fairbanks, seminar series. “Location is everything: Interactions between life history and spatial stock dynamics in Bristol Bay red king crab.”

07/04 Third International Symposium on Fish Otolith Research and Application, Townsville, Australia, July 12-16, 2004. “Spatial variation in otolith elemental fingerprints of early juvenile halibut in Alaskan waters.” (poster)

07/04 Third International Symposium on Fish Otolith Research and Application, Townsville, Australia, July 12-16, 2004. “Effect of handling protocols on elemental composition of early juvenile halibut otoliths.” (poster)

02/02 Ocean Sciences 2002. Annual meeting of the American Society of Limnology and Oceanography, Honolulu, Hawaii. “Advection of red king crab larvae in the southeast Bering Sea: Interactions between changes in spatial broodstock population structure and physical forcing mechanisms.” (poster)

01/01 Crabs in Cold Water Regions: Biology, Management, and Economics. 19th Lowell Wakefield Fisheries Symposium, Anchorage, Alaska. “Spatial recruitment patterns in Bristol Bay (Alaska) red king crab: The roles of climate and larval advection.” (poster)

09/00 Annual Meeting of the National Shellfisheries Association, Pacific Coast Section, Warm Springs, Oregon. “Impacts of environmental variability on the spatial stock structure of red king crab in the southeast Bering Sea.” (oral) Winner, best student presentation.

02/99 Invited Panelist, University of Washington School of Marine Affairs, Research and Industry public seminar series, National Marine Fisheries Service Montlake Laboratory, Seattle, Washington. Seminar focused on issues in Alaskan crab management; the talk addressed the importance of considering spatial stock structure in management of Bristol Bay red king crab.

12/98 Annual Interagency Crab Management Meeting, Anchorage, Alaska. Presented a summary of ongoing University of Washington red king crab research and preliminary results of field work and retrospective data analyses.

09/94 American Fisheries Society, 124th Annual Meeting, Halifax, Nova Scotia. "Effects of hypoxic water conditions on predator-prey interactions between larval fish and cnidarian predators." (poster)

03/94 23rd Annual Marine Benthic Ecology Meetings, Mystic, Connecticut. "Cunner (Tautogolabrus adspersus) predation in the rocky subtidal: effects on juvenile barnacles and mussels." (oral)