Jeffrey A. Hutchings

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Jeffrey A. Hutchings
Jeffrey Hutchings.jpg
Born (1958-09-11) September 11, 1958 (age 56)
Orillia, Ontario
Nationality Canadian
Occupation Fisheries Scientist
Organization Dalhousie University

Jeffrey A. Hutchings (born 11 September 1958) is a Canadian-born fisheries scientist, a Faculty of Science Killam Professor of Biology, and former Canada Research Chair in Marine Conservation and Biodiversity (2002-2011) at Dalhousie University. He is well known for his work on the evolution of fish life histories and on the collapse, recovery, and sustainable harvesting of marine fishes. In addition to being Chair of a 2012 Royal Society of Canada Expert Panel on Marine Biodiversity (and member of a 2001 Expert Panel on genetically modified foods), he chaired Canada's national science body (Committee on the Status of Endangered Wildlife in Canada) responsible, by law, for advising the Canadian federal Minister of the Environment on species at risk of extinction. He is the current President of the Canadian Society for Ecology and Evolution.

Early life and education[edit]

Jeffrey A. Hutchings was born on September 11, 1958, in Orillia, Ontario to Wendy Simpson (born Toronto, Ontario) and Alexander Hutchings (born Sunnyside, Newfoundland). His mother studied physiotherapy and his father was a business high school teacher at Orillia District Collegiate and Vocational Institute.

Hutchings attended Hillcrest Public School until grade 8 and then the Orillia District Collegiate & Vocational Institute for grades 9-13. He was very music oriented, successfully auditioning three years in a row for the Ontario Youth Orchestra, where he played the trumpet. The group would get together annually for a week in London, ON, perform concerts, and even produce record albums. He thoroughly enjoyed music and came close to enrolling in a Bachelor of Music programme. He decided instead to pursue a science degree in biology, his interest in this subject having been kindled by ten summers spent at the family cottage near Gravenhurst, a love of the outdoors, and a realization that biology provided opportunities to be engaged in field work.

In 1980 he graduated from the University of Toronto (U of T) with a Bachelor of Science in Zoology. During his first three years at U of T, his marks were somewhat mediocre primarily because of a lack of inspiration. The summer after his 3rd year he obtained a job with Harold H. Harvey, who studied the impact of acidification on the abundance and diversity of species in the lakes of the La Cloche Mountains area near Killarney, Ontario.[1] His summer spent canoeing and collecting fish in several acid rain affected lakes sparked an interest in fish biology. In his final year as an undergraduate, he took an Ichthyology class taught by Edwin J. Crossman, someone who was to become somewhat of a mentor to Hutchings. Crossman co-authored Freshwater Fishes of Canada with W.B. Scott and worked as a curator at the Royal Ontario Museum (ROM) in the Department of Ichthyology and Herpetology as well as being a Professor at the U of T. He worked mainly with freshwater fish and was actively involved in the study of biodiversity of the fish found in the Great Lakes.[2] Hutchings got a job with him during his last year at U of T and even worked for him for a year after completing his undergraduate degree on Muskellunge (Esox masquinongy) and White sucker (Catostomus commersoni) at Nogies Creek, near Bobcaygeon.

After working at the ROM, tree-planting in northern British Columbia, and filling beer bottles at Molson’s Brewery, Hutchings decided to return to academic studies. From 1982 to 1985, he attended the Memorial University of Newfoundland (MUN) for a Master of Science in Biology, studying Atlantic salmon (Salmo salar) migration, life history, and their use of lakes. Supervised by Richard L. Haedrich, he thoroughly enjoyed his 12 months of field work in Terra Nova National Park. In 1983 he met Ransom A. Myers, a scientist with similar interests with whom he remained close, co-authored almost 20 papers until Myers’ death in 2007. In 1987, under the supervision of Douglas W. Morris, he began his Doctor of Philosophy at MUN, studying life history variability of the Brook trout (Salvelinus fontinalis), graduating in 1991.

In 1991, he moved to Scotland to complete Postdoctoral research at the University of Edinburgh. He was interested in the work of Dr. Linda Partridge, a British geneticist who studies the biology of ageing and age-related diseases. Partridge uses the Common fruit fly (Drosophila melanogaster) to study questions on the cost of living and life history evolution.[3] Hutchings, who was interested in similar questions, wanted to get a sense of the strengths and weaknesses of her genetical, experimental-manipulation approach as opposed to his field-based studies in evolutionary ecology. His first experiment was unsuccessful, but his second on male costs of reproduction resulted in his lone publication on fruit flies. Importantly, his proximity to Northern Europe allowed him to meet several researchers and teach week-long courses in 1992 in Bergen Norway and Umeå Sweden on the subject of Life History Theory.

He returned to Canada in late 1992 to undertake Post Doctoral research at the Department of Fisheries and Oceans Canada (DFO) in St. John’s Newfoundland. There he worked on Atlantic cod (Gadus morhua) for the first time, analyzing several lengthy time series databases on reproduction related characteristics. This was at the time of the collapse of Newfoundland’s northern cod fishery, and Hutchings became interested in the different hypotheses on the cause of the collapse. On his own initiative, he used the databases to test several different hypotheses. His work at the time started a set of research initiatives on ecologically, socially, and economically important fish in which he is still interested today.

Teaching career[edit]

In 1995, he began an Assistant Professor position at Dalhousie University in Halifax. Hutchings had always thought he would enjoy teaching, and had even considered becoming a high school teacher like his father. He enjoys the independence that comes with being a professor, as well as the chance to discuss and communicate science with the public and decision-makers through lectures, expert panels, media, and government. He is very enthusiastic while lecturing, and enjoys seeing that enthusiasm being transferred to his students. He was appointed Canada Research Chair in Marine Conservation and Biodiversity in 2002, and in 2004 was promoted to Professor at Dalhousie University. In 2010, he was appointed Professor II at the Center for Ecological and Evolutionary Synthesis at the University of Oslo. Over the years he has taught several classes including:

  • Ecology and Evolution of Fishes (1995–present)
  • Introductory Ecology (1996-2001)
  • Resource Ecology (1998-2000)
  • Assessment of Species at Risk in Canada (2007-2008)
  • Foundations of Ecology (2000, 2004)

In addition, he has taught several special topics courses and several graduate student modules over the years. His responsibilities as a professor, other than teaching undergraduate and graduate classes, include the supervision of postgraduate students and postdoctoral fellows, and basic and applied research work.[4] One of his most notable trainees was Dylan Fraser, a former Postdoctoral Fellow now a faculty member of Concordia University, who had a terrific attitude towards research and with the students.[5] In 2012, Hutchings became a Killam Professor (Faculty of Science) at Dalhousie University, a position of recognition.

External organisations[edit]

Over the years, Hutchings has contributed to several organisations in his field, the publication of other scientists’ research in journals, the protection of Canadian species at risk through COSEWIC, the distribution of research grants through NSERC, and the undertaking of expert panels intended to provide public awareness, scientific advice, and recommendations to decision-makers on matters of science of relevance to Canadian society.

Professional Timeline[edit]

  • 1995-1996 – Chair of Ecology, Ethology & Evolution Section, Canadian Society of Zoologists
  • 1997-2002 – Associate Editor, Canadian Journal of Fisheries & Aquatic Sciences
  • 1999-2001 – Associate Editor, Transactions of the American Fisheries Society
  • 1999-2002 – Councillor, Canadian Society of Zoologists
  • 1999-2007 – Member, Marine Fishes Species Specialist Subcommittee, COSEWIC
  • 2000-2001 – Member, Royal Society of Canada expert panel on Future of Food Biotechnology
  • 2001-2012 – Member of COSEWIC
  • 2002 – Canada Research Chair in Marine Conservation & Biodiversity
  • 2002-2007 – Editor, Canadian Journal of Fisheries & Aquatic Sciences
  • 2003-2006 – Member, Evolution & Ecology Grant Selection Committee, (NSERC)
  • 2005-2006 – Co-Chair, Evolution & Ecology Grant Selection Committee, (NSERC)
  • 2006-2007 – Founding Member and Councillor, Canadian Society for Ecology and Evolution
  • 2006-2010 – Chair, Committee on the Status of Endangered Wildlife in Canada (COSEWIC)
  • 2008-2009 – Chair (inaugural), Vanier Canada Graduate Scholarships selection Committee (NSERC)
  • 2009-2012 – Chair, Royal Society of Canada expert panel on Sustaining Canada’s Marine Biodiversity
  • 2007–present – Member, Editorial Board, Evolutionary Application
  • 2008–present – Member, Editorial Board, Environmental Reviews
  • 2009–present – Member, Editorial Board, Proceedings of the Royal Society B
  • 2009–present – Scientific Advisor, Loblaw Companies
  • 2010–present – Member, Research Advisory Panel, Science Media Centre of Canada
  • 2010–present – Member, Board of Directors, Get To Know Society
  • 2012-2013 – President, Canadian Society for Ecology and Evolution
  • 2012–present – Member, Board of Directors, WWF Canada
  • 2012 – Fellow, Royal Canadian Geographical Society

[6]

Scientific contributions[edit]

Areas of research[edit]

  • Life History Evolution in Fishes
  • Phenotypic Plasticity and Norms of Reaction
  • Recovery and Extinction Probabilities of Species at Risk
  • Demographic and Evolutionary Consequences of Over-Exploitation
  • Farmed-Wild Atlantic Salmon Interactions
  • Mating Systems in Atlantic Salmon and Atlantic Cod
  • Biodiversity of Arctic and Marine Fishes
  • Communication of Science to Society

Research[edit]

Hutchings’ research focuses on the life history evolution, behavioural ecology, population dynamics, and conservation biology of marine and anadromous fishes.[4] In particular, his research focuses on 3 species: Atlantic cod (Gadus morhua), Atlantic salmon (Salmo salar), and Brook trout (Salvelinus fontinalis). He has explored various questions on the interactions between wild and farmed Atlantic salmon, the biodiversity of Arctic and sub-Arctic fishes (Baffin and Ellesmere Islands), and population consequences of fisheries-induced evolution. Hutchings’ best known scientific contributions pertain to his work on the collapse, recovery, and sustainable harvesting of marine fishes. He was one of the first researchers to examine the correlates of recovery of depleted marine fish populations, work that has now extended to studying factors that affect the recovery of depleted species in general.

Over the years his research interests, although varied and broad, have remained generally the same. As of 2012, Hutchings is still following up on several of his research areas of interest, including life-history evolution, alternative reproductive strategies, salmon aquaculture, conservation biology, communication of science to society, phenotypic plasticity, and the fitness consequences of organismal responses to directional temperature change.

Views[edit]

Hutchings believes that an integral part of being a research scientist is giving back to society and communicating with society as effectively as possible. He does this through his teaching, but also by delivering plenary and keynote lectures, appearing before parliamentary committees, publishing his research findings, and also by interacting with the media. As one example, on the 10th of July, 2012, Hutchings was a speaker at a rally on Parliament Hill in Ottawa for The Death of Evidence. The rally was in protest of the closure of federal scientific programmes, scientifically unsupported changes to national legislation, and the “muzzling” of government scientists.[7] (The idea behind the rally was that democracy depends on informed opinions, which rely on evidence provided by scientific research.)

Publications[edit]

Books[edit]

Hutchings co-authored a book entitled Ecology: A Canadian Context which was published in 2011. The book, which covers the core concepts of ecology, is the first resource that integrates evolution and sustainable development. In addition, it profiles the extensive ecological research being conducted in Canada to provide a more relevant text for Canadian students and instructors.

Freedman, B., Hutchings, J.A., Gwynne, D.T., Smol, J.P., Suffling, R., Turkington, R., and R.L. Walker. 2011. Ecology: A Canadian Context. Nelson Education, Toronto.

Journal Publications (Selected publications)[edit]

  • Hutchings, J.A., Butchart, S.H., Collen, B., Schwartz, M.K., and R.S. Waples. 2012. Red flags: correlates of impaired species recovery. TREE 27: 542-546.
  • Hutchings, J.A., Côté, I.M., Dodson, J.J., Fleming, I.A., Jennings, S., Mantua, N.J., Peterman, R.M., Riddell, B.E., and A.J. Weaver. 2012. Climate change, fisheries, and aquaculture: trends and consequences for Canadian marine biodiversity. Environ. Rev. In press.
  • Hutchings, J.A., Côté, I.M., Dodson, J.J., Fleming, I.A., Jennings, S., Mantua, N.J., Peterman, R.M., Riddell, B.E., Weaver, A.J., and D.L. VanderZwaag. 2012. Is Canada fulfilling its obligations to sustain marine biodiversity? A summary review, conclusions, and recommendations. Environ. Rev. In press.
  • Hutchings, J.A., Myers, R.A., García, V.B., Lucifora, L.O., and A. Kuparinen. 2012. Life-history correlates of extinction risk and recovery potential. Ecol. Applic. 22: 1061-1067.
  • Hutchings, J.A. 2011. Old wine in new bottles: reaction norms in salmonid fishes. Heredity 106: 421-437.
  • Hutchings, J.A., and R.W. Rangeley. 2011. Correlates of recovery for Canadian Atlantic cod. Canadian Journal of Zoology 89: 386-400.
  • Hutchings, J.A., Minto, C., Ricard, D., Baum, J.K., and O.P Jensen. 2010. Trends in the abundance of marine fishes. Can. J. Fish. Aquat. Sci. 67: 1205-1210.
  • Hutchings, J.A. 2009. Avoidance of fisheries-induced evolution: management implications for catch selectivity and limit reference points. Evol. Applic. 2: 324-334.
  • Hutchings, J.A., and M. Festa-Bianchet. 2009. Scientific advice on species at risk: a comparative analysis of status assessments of polar bear, Ursus maritimus. Environ. Rev.17: 45-51.
  • Hutchings, J.A., and M. Festa-Bianchet. 2009. Canadian species at risk (2006-2008), with particular emphasis on fishes. Environ. Rev. 17: 53-65.
  • Hutchings, J.A. 2008. Ransom Aldrich Myers (1952-2007): in memoriam. Can. J. Fish. Aquat. Sci. 65: vii-xix.
  • Hutchings, J.A., and D.J. Fraser. 2008. The nature of fishing- and farming-induced evolution. Molecular Ecology 17: 294-313.
  • Hutchings, J.A., and S. Rowe. 2008. Consequences of sexual selection for fisheries-induced evolution: an exploratory analysis. Evolutionary Applications 1: 129-136.
  • Hutchings, J.A., and S. Rowe. 2008. Response: on the consequences of sexual selection for fisheries-induced evolution. Evolutionary Applications 1: 650-651.
  • Hutchings, J.A., Swain, D.P., Rowe, S., Eddington, J.D., Puvanendran, V., and J.A. Brown. 2007. Genetic variation in life-history reaction norms in a marine fish. Proc. R. Soc. B 274: 1693-1699.
  • Hutchings, J.A. 2006. Survival consequences of sex-biased growth and the absence of a growth mortality trade-off. Functional Ecology 20: 347-353.
  • Hutchings, J.A. 2006. Ecological and fisheries sustainability: common goals uncommonly achieved. In: D.M. Lavigne [ed], Gaining Ground: In Pursuit of Ecological Sustainability, University of Limerick, Limerick, pp. 101–112.
  • Hutchings, J.A. 2005. Life history consequences of overexploitation to population recovery in Northwest Atlantic cod (Gadus morhua). Can. J. Fish. Aquat. Sci. 62: 824-832.
  • Hutchings, J.A., and J.K. Baum. 2005. Measuring marine fish biodiversity: temporal changes in abundance, life history, and demography. Phil. Trans. R. Soc. Lond. 360: 315-338.
  • Hutchings, J.A. 2004. The cod that got away. Nature 428: 899-900.
  • Hutchings, J.A. 2004. Norms of reaction and phenotypic plasticity in salmonid life histories. In: A.P. Hendry and S.C. Stearns [eds], Evolution Illuminated: Salmon and Their Relatives, Oxford University Press, Oxford, pp. 154–174.
  • Hutchings, J.A. 2004. Interactions among collapse, recovery and extinction risk in marine and anadromous fishes. In: Gallagher, P. [ed.], World Summit on Salmon, Simon Fraser University, Burnaby, BC, pp. 17– 38.
  • Hutchings, J.A., and J.D. Reynolds. 2004. Marine fish population collapses: consequences for recovery and extinction risk. BioScience 54: 297-309.
  • Hutchings, J.A. 2003. Update COSEWIC status report on Atlantic cod Gadus morhua in Canada. In COSEWIC assessment and status report on the Atlantic cod Gadus morhua in Canada. Committee on the Status of Endangered Wildlife in Canada, Ottawa.
  • Hutchings, J.A. 2002. Life histories of fish. In: P.J.B. Hart and J.D. Reynolds [eds], Handbook of Fish Biology and Fisheries Vol. 1. Fish Biology, Blackwell Science, Oxford, pp. 149–174.
  • Hutchings, J.A. 2002. Sustaining Atlantic salmon in the Northwest Atlantic: considerations from a life history perspective. In: K.D. Lynch, M.L. Jones, and W.W. Taylor [eds], Sustaining North American Salmon: Perspectives Across Regions and Disciplines, American Fisheries Society, Bethesda, MD, pp. 33–60.
  • Hutchings, J.A., and L. Gerber. 2002. Sex-biased dispersal in a salmonid fish. Proc. R. Soc. Lond. B 269: 2487-2493.
  • Hutchings, J.A., Neis, B., and P. Ripley. 2002. The nature of cod: perceptions of stock structure and cod behaviour by fishermen, 'experts' and scientists from the nineteenth century to present. In: R. Ommer [ed], The Resilient Outport: Ecology, Economy and Society in Rural Newfoundland, ISER Books, St. John's, NF, pp. 140–185.
  • Hutchings, J.A. 2001. Conservation biology of marine fishes: perceptions and caveats regarding assignment of extinction risk. Can. J. Fish. Aquat. Sci. 58: 108-121.
  • Hutchings, J.A. 2001. Influence of population decline, fishing, and spawner variability on the recovery of marine fishes. Journal of Fish Biology 59 (Suppl. A): 306-322.
  • Hutchings, J.A. 2000. Collapse and recovery of marine fishes. Nature (Lond.) 406: 882-885.
  • Hutchings, J.A. 2000. Numerical assessment in the front seat, ecology and evolution in the back seat: time to change drivers in fisheries and aquatic sciences? Marine Ecology Progress Series 208: 299-303.
  • Hutchings, J.A., and M. Ferguson. 2000. Temporal changes in harvesting dynamics of Canadian inshore fisheries for northern Atlantic cod, Gadus morhua. Can. J. Fish. Aquat. Sci. 57: 805-814.
  • Hutchings, J.A., and M. Ferguson. 2000. Links between fishers' knowledge, fisheries science, and management: Newfoundland's inshore fishery for northern Atlantic cod, Gadus morhua. In: B. Neis and L. Felt [eds], Finding Our Sea Legs: Linking Fishery People and their Knowledge with Science and Management, ISER Books, St. John's, NF, pp. 82–110.
  • Hutchings, J.A. 1999. The influence of growth and survival costs of reproduction on Atlantic cod, Gadus morhua, population growth rate. Can. J. Fish. Aquat. Sci. 56: 1612-1623.
  • Hutchings, J.A. 1999. The biological collapse of Newfoundland's northern cod. In D. Newell and R. Ommer [eds], Fishing People, Fishing Places: Traditions and Issues in Canadian Small-Scale Fisheries, Univ. Toronto Press, pp. 260–275.
  • Hutchings, J.A., Bishop, T.D., and C.R. McGregor-Shaw. 1999. Spawning behaviour of Atlantic cod, Gadus morhua: evidence of mate competition and mate choice in a broadcast spawner. Can. J. Fish. Aquat. Sci. 56: 97-104.
  • Hutchings, J.A., Pickle, A., McGregor-Shaw, C.R., and L. Poirier. 1999. Influence of sex, body size, and reproduction on overwinter lipid depletion in brook trout. J. Fish Biol. 55:1020-1028.
  • Hutchings, J.A., and M.E.B. Jones. 1998. Life history variation and growth rate thresholds for maturity in Atlantic salmon, Salmo salar. Can. J. Fish. Aquat. Sci. 55 (Suppl. 1): 22-47.
  • Hutchings, J.A. 1997. Life history responses to environmental variability in early life. In R.C. Chambers and E.A. Trippel [eds], Early Life History and Recruitment in Fish Populations, Chapman and Hall, London, pp. 139–168.
  • Hutchings, J.A. 1997. Spatial and temporal variation in the exploitation of northern cod, Gadus morhua: a historical perspective from 1500 to present. In D. Vickers [ed.] Marine Resources and Human Societies in the North Atlantic Since 1500, Inst. Soc. Econ. Res., St. John's, NF, pp. 41–68.
  • Hutchings, J.A., Haedrich, R.L., and C. Walters. 1997. Reply: Scientific inquiry and fish stock assessment in the Canadian Department of Fisheries and Ocean and Reply: The interplay of policy, politics, and science. Can. J. Fish. Aquat. Sci. 54: 1430-1431.
  • Hutchings, J.A., Walters, C., and R.L. Haedrich. 1997. Is scientific inquiry incompatible with government information control? Can. J. Fish. Aquat. Sci. 54: 1198-1210.
  • Hutchings, J.A. 1996. Spatial and temporal variation in the density of northern cod and a review of hypotheses for the stock's collapse. Can. J. Fish. Aquat. Sci. 53: 943-962.
  • Hutchings, J.A. 1996. Adaptive phenotypic plasticity in brook trout, Salvelinus fontinalis, life histories. Écoscience 3: 25-32.
  • Myers, R.A., Hutchings, J.A., and N.J. Barrowman. 1996. Hypotheses for the decline of cod in the North Atlantic. Mar. Ecol. Prog. Ser. 138: 293-308.
  • Hutchings, J.A. 1995. Seasonal marine protected areas within the context of spatio-temporal variation in the northern cod fishery. In Shackell, N.L., and J.H.M. Willison [eds], Marine Protected Areas and Sustainable Fisheries, SAMPAA, Centre for Conservation Biology, Acadia University, Wolfville, NS, pp. 39–47.
  • Hutchings, J.A., and R.A. Myers. 1995. The biological collapse of Atlantic cod off Newfoundland and Labrador: an exploration of historical changes in exploitation, harvesting technology, and management. In Arnason, R., and L.F. Felt [eds], The North Atlantic Fishery: Strengths, Weaknesses, and Challenges, Inst. Island Stud., Univ. Prince Edward Island, Charlottetown, PEI, pp. 37–93.
  • Hutchings, J.A. 1994. Age- and size-specific costs of reproduction within and among populations of brook trout, Salvelinus fontinalis. Oikos 70: 12-20.
  • Hutchings, J.A., and R.A. Myers. 1994. What can be learned from the collapse of a renewable resource? Atlantic cod, Gadus morhua, of Newfoundland and Labrador. Can. J. Fish. Aquat. Sci. 51: 2126-2146.
  • Hutchings, J.A., and R.A. Myers. 1994. The evolution of alternative mating strategies in variable environments. Evolutionary Ecology 8: 256-268.
  • Hutchings, J.A., and R.A. Myers. 1994. Timing of cod reproduction: interannual variability and the influence of temperature. Mar. Ecol. Prog. Ser. 108: 21-31.
  • Hutchings, J.A. 1993. Behavioural implications of intraspecific life history variation. Mar. Behav. Physiol. 23: 187 203.
  • Hutchings, J.A. 1993. Adaptive life histories effected by age-specific survival and growth rate. Ecology 74: 673-684.
  • Hutchings, J.A. 1993. Reaction norms for reproductive traits in brook trout and their influence on life history evolution effected by size-selective harvesting. In Stokes, T.K., McGlade, J.M., and R. Law [eds], The Exploitation of Evolving Resources, Lecture Notes in Biomathematics 99, Springer-Verlag, Berlin, pp. 107–125.
  • Hutchings, J.A. 1993. Behavioural implications of life history variation. In Huntingford, F.A., and P. Toricelli [eds], Behavioural Ecology of Fishes, Harwood Academic Publishers, Chur, Switzerland, pp. 187–203.
  • Hutchings, J.A., and R.A. Myers. 1993. Effect of age on the seasonality of maturation and spawning of Atlantic cod, Gadus morhua, in the Northwest Atlantic. Can. J. Fish. Aquat. Sci. 50: 2468-2474.
  • Hutchings, J.A., Myers, R.A, and G.R. Lilly. 1993. Geographic variation in the spawning of Atlantic cod, Gadus morhua, in the Northwest Atlantic. Can. J. Fish. Aquat. Sci. 50:2457-2467.
  • Hutchings, J.A., and M.M. Ferguson. 1992. Independence of enzyme heterozygosity and life history traits in natural populations of Salvelinus fontinalis (brook trout). Heredity 69:496-502.
  • Hutchings, J.A. 1991. Fitness consequences of variation in egg size and food abundance in brook trout, Salvelinus fontinalis. Evolution 45: 1162-1168.
  • Hutchings, J.A. 1991. The threat of extinction to native populations experiencing spawning intrusions by cultured Atlantic salmon. Aquaculture 98: 119-132.
  • Hutchings, J.A., and R.A. Myers. 1988. Mating success of alternative maturation phenotypes in male Atlantic salmon, Salmo salar. Oecologia 75: 169-174.
  • Hutchings, J.A., and R.A. Myers. 1987. Escalation of an asymmetric contest: mortality resulting from mate competition in Atlantic salmon, Salmo salar. Can. J. Zool. 65: 766-768.
  • Hutchings, J.A. 1986. Lakeward migrations by juvenile Atlantic salmon, Salmo salar. Can. J. Fish. Aquat. Sci. 43: 732-741.
  • Hutchings, J.A., and D.W. Morris. 1985. The influence of phylogeny, size and behaviour on patterns of covariation in salmonid life histories. Oikos 45: 118-124.
  • Hutchings, J.A., and R.A. Myers. 1985. Mating between anadromous and nonanadromous Atlantic salmon, Salmo salar. Can. J. Zool. 63: 2219-2221.
  • Hutchings, J.A., and R.L. Haedrich. 1984. Growth and population structure in two species of bivalves (Nuculanidae) from the deep sea. Mar. Ecol. Prog. Ser. 17: 135-142.

References[edit]

External links[edit]