Carl Walters

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Carl Walters
Born
Carl John Walters

UBC Fisheries Centre, University of British Columbia
Doctoral advisorRobert E. Vincent
Notes

Carl Walters (born 1944) is an American-born Canadian

Fisheries at the University of British Columbia since 1969.[2] He is one of the main developers of the ecological modelling software Ecopath.[3] His most recent work focuses on how to adjust human behaviors in environments that are full of uncertainty.[1] He is a recent recipient of the Volvo Environment Prize (2006).[4] In 2019, Dr. Walters became a Member of the Order of British Columbia.[5]

Education

Carl Walters graduated from Bakersfield College with an A.A in 1963 and continued to Humboldt State College to graduate with a B.S. in 1965. After Walters graduated, he went to Colorado State University to study the "Distribution and production of midges in an alpine lake" under the advisement of Dr. Robert E. Vincent. After obtaining his M.S. in 1967, Walters stayed on with R.E. Vincent to get his doctorate on the "Effects of fish introduction on invertebrate fauna of an alpine lake" and graduated in 1969. Walters did not go on for a postdoctoral position; instead he almost immediately started working at the University of British Columbia in Vancouver, British Columbia, Canada.[2]

Career

Walters's first professorship was at the University of British Columbia as an Assistant Professor in the UBC Institute for Animal Resource Ecology. In 1977, he became an Associate Professor and then a Professor in 1982. Prior to his professional appointment at UBC, Walters worked for the California Department of Fish and Game and was also a graduate fellow, a consultant, and an aide on numerous occasions.[2] He has taken sabbaticals to the International Institute of Applied Systems Analysis in Vienna, the University of Florida, where he is an adjunct professor, and Australia.[2] He has been on the editorial board for multiple journals including the Canadian Journal of Fisheries and Aquatic Sciences, Conservation Ecology, and Ecosystems and has been the associate editor of the Journal of Applied Mathematics and Computation and the Northwest Environmental Journal.[2] He was the editor of the Open Fish Science Journal. Walters also served, and continues to serve, as a consultant to many government agencies.

Interests

Walters uses

fisheries in a time of high uncertainty.[1][2] He specializes in fisheries stock assessments (e.g cod, salmon, anchoveta), adaptive management strategies, and ecosystem modeling.[1][2][6][7] One of his goals has been, and continues to be, to try to bridge the gap between fisheries management, government, and fishing industries in order to provide accurate information to use in successfully and actively managing fisheries. His work in modeling population dynamics
and active adaptive management has made Walters a valuable member of the scientific community.

Contributions

Foraging Arena Theory

Other modeling equations like the

populations.[10]

Adaptive management

One of Walters biggest concerns in the rapidly changing

ecological values between different interest groups.[13]
Although there are concerns when executing active adaptive management strategies, there is a growing need to modify the current methods for exploring and understanding ecosystems, especially on a larger scale, and active adaptive management strategies aim to do exactly that.

Selected publications

Books
  • Walters, C.J. 1986. Adaptive Management of Renewable Resources. MacMillan Pub. Co, New York, USA. (374 pp).
  • Hilborn, R. and Walters C.J. 1991. Quantitative Fisheries Stock Assessment and Management. Chapman-Hall, Pub. Co., New York, USA. (580 pp).
  • Walters C.J. and Martell S. 2004. Fisheries Ecology and Management. Princeton, New Jersey, Princeton University Press.
Journal publications
  • Walters C.J. and Juanes F. 1993. "Recruitment limitation as a consequence of optimal risk-taking behaviour by juvenile fish." Can. J. Fish. Aquat. Sci. 50:2058-2070.
  • Walters, C.J. 1997. "Challenges in adaptive management of riparian and coastal ecosystems." Conservation Ecology (online) 1(2): 1.
  • Walters, C.J. and Green, R. 1997. "Valuing large scale management experiments for natural resources."
    J. Wildl. Mgmt.
     61:987-1006.
  • Walters C.J. and Korman J. 1999. "Revisiting the Beverton-Holt recruitment model from a life history and multispecies perspective." Rev. Fish Biol. Fisheries 9:187-202.
  • Pauly D., Christensen V., Walters C.J. 2000. "Ecopath, ecosim, and ecospace as tools for evaluating ecosystem impact of fisheries." ICES J. Mar. Sci. 57:697-706.
  • Walters C.J. 2001. "Implications for marine population and community dynamics of natural selection for predation avoidance tactics." Marine Ecology Progress series. 208:309-313.
  • Walters C.J. and Martell S.J.D. 2002. "Stock assessment needs for sustainable fisheries management." Bulletin of marine science. 70(2): 629.
  • Christensen V. and Walters C.J. 2004. "Trade-offs in Ecosystem-scale Optimization of Fisheries Management Policies." Bulletin of Marine Science. 74(3): 549-562.
  • Walters C.J. 2005. "Is Adaptive Management Helping to Solve Fisheries Problems?" Can. J. Fish. Aquat. Sci. 62(6): 1320-1336.
  • Coggins L.G., Catalano M.J., Allen M.S., Pine W.E., Walters C.J. 2007. "Effects of cryptic mortality and the hidden costs of using length limits in fishery management." Fish and Fisheries. 8(3): 196-210.

Awards

References

  1. ^ a b c d e Dr. Carl Walters Archived December 26, 2008, at the Wayback Machine UBC Fisheries Centre, University of British Columbia. Retrieved 24 December 2008.
  2. ^ a b c d e f g h i Curricula Vitae for Peer Reviewers Archived 2016-03-04 at the Wayback Machine California Fisheries Coalition. Retrieved 24 December 2008
  3. ^ "Home". ecopath.org.
  4. ^ a b "Home". environment-prize.com.
  5. ^ "2019 Recipients : Order of BC". Retrieved 2019-10-11.
  6. ^ Walters C.J. and McGuire J.J. 1996. Lessons for stock assessment from the northern cod collapse. Rev. Fish. Biol. Fisheries 6:125-137
  7. ^ Melnychuk M.C., Welch D.W., Walters C.J., and Christensen V. 2007. Riverine and early ocean migration and mortality patterns of juvenile steelhead trout (Oncorhynchus mykiss) from the Cheakamus River, British Columbia. Hydrobiologia. 582: 55-65.
  8. ^ Barrowman N.J. and Myers R.A. 2000. Still more spawner-recRuitment curves: the hockey stick and its generalizations. Can. J. Fish. Aquat. Sci. 57: 665-676.
  9. ^ a b c Walters C.J. and Juanes F. 1993. Recruitment limitation as a consequence of optimal risk-taking behaviour by juvenile fish. Can. J. Fish. Aquat. Sci. 50:2058-2070.
  10. ^ a b c d e f Walters CJ and Martell S (2004) Fisheries Ecology and Management. Princeton, New Jersey, Princeton University Press.
  11. ^ Walters, C.J. 1987. Adaptive policy design for fisheries management: active versus passive policies. In L.W. Botsford [Ed.], Perspectives on Applied Ecology. U. Calif. Press, Davis.
  12. ^ Hilborn, R. and Walters C.J. 1991. Quantitative Fisheries Stock Assessment and Management. Chapman-Hall, Pub. Co., New York, USA. (580 pp)
  13. ^ a b Walters, C. 2007. Is adaptive management helping to solve fisheries problems? Ambio. 36:304-307.
  14. ^ "Welcome to the Royal Society of Canada | the Royal Society of Canada". Archived from the original on 2016-11-03. Retrieved 2008-12-23.
  15. ^ "Pew Institute for Ocean Science". Archived from the original on 2009-01-17. Retrieved 2008-12-23.
  16. ^ "American Fisheries Society". Archived from the original on 2010-03-05. Retrieved 2008-12-23.
  17. ^ "The Timothy R. Parsons Medal". Archived from the original on 2006-10-02. Retrieved 2023-11-26.

External links

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