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1.    REFEREED PUBLICATIONS

(a)    Journals

  • Brown, C. J., Fulton, E.A., Hobday, A.J., Matear, R., Possingham, H., Bulman, C., Christensen, V., Forrest, R., Gehrke, P., Gribble, N., Griffiths, S., Lozano-Montes, H., Martin, J., Metcalf, S., Okey, T., Watson, R., and Richardson, A.J. 2009. Ecological interactions will determine winners and losers under climate change in marine ecosystems and fisheries. Global Change Biology, in press.
  • Christensen, Villy. 2009. MEY = MSY. Fish and Fisheries, 00:000-000. (MS)
  • Christensen, Villy, Zach Ferdaña, Jeroen Steenbeek. 2009. Spatial optimization of protected area placement incorporating ecological, social and economical criteria. Ecological Modelling, 00:000-000 (download)
  • Christensen, V., Walters, C.J., Ahrens, R., Alder, J., Buszowski, J., Christensen, L.B., Cheung, W.W.L., Dunne, J., Froese, R., Karpouzi, V., Kastner, K., Kearney, K., Lai, S., Lam, V., Palomares, M.L.D., Peters-Mason, A., Piroddi, C., Sarmiento, J.L., Steenbeek, J., Sumaila, R., Watson, R., Zeller, D. and Pauly, D., 2009. Database-driven models of the world’s large marine ecosystems. Ecological Modelling,220:1984-1996 (download).
  • Duan, L.J., Li, S.Y., Liu, Y., Moreau, J. and Christensen, V. 2009. Modeling changes in the coastal ecosystem of the Pearl River Estuary from 1981 to 1998. Ecological Modelling 00:000-000.
  • Heymans, J.J., U.R. Sumaila, V. Christensen. 2009. Policy options for the northern Benguela ecosystem using a multi-species, multi-fleet model. Progress in Oceanography 00:000-000.
  • Ma, H., Townsend, H., Zhang, X., Sigrist, M., and Christensen, V. MS. 2009. Using a fisheries ecosystem model with a water quality model to explore trophic and habitat impacts on fisheries stock: A case study of the blue crab population in Chesapeake Bay. Ecological Modelling (in press) (http://dx.doi.org/10.1016/j.ecolmodel.2009.01.026).
  • Melnychuk, M.C. and V. Christensen. 2009. Methods for estimating detection efficiency and tracking acoustic tags with mobile transect surveys. J Fish Biol., 00:000-000.
  • Neira, S., C. Moloney, P. Cury, C. Mullon, and V. Christensen. 2009. Mechanisms affecting recovery in an upwelling food web: the case of the southern Humboldt. Progress in Oceanography (in press)
  • Walters, Carl, Villy Christensen, William Walters, Kenneth Rose. 2009. Representation of multi-stanza life histories in Ecospace models for spatial organization of ecosystem trophic interaction patterns. Bull. Mar. Sci. 00:000-000
  • Wilson, R.W., F.J. Millero, J.R. Taylor, P.J. Walsh, V. Christensen, S. Jennings, M. Grosell. 2009. Novel contribution of fish to the marine inorganic carbon cycle. Science 16 January 2009: 359-362. DOI: 10.1126/science.1157972
  • Freire, K.M.F, Christensen, V., Pauly, D. 2008. Description of the East Brazil Large Marine Ecosystem using a trophic model. Scientia Marina 72(3):477-491.
  • Gascuel, D., Morissette, L., Palomares, M.L.D. and Christensen, V., 2008. Trophic flow kinetics in marine ecosystems: Toward a theoretical approach to ecosystem functioning. Ecological Modelling, 217:33-47
  • Guénette, S, Christensen, V, Pauly, D. 2008. Trophic modeling of the Peruvian upwelling ecosystem: towards reconciliation of multiple datasets. Progress in Oceanography 79(2-4):326-335, doi:10.1016/j.pocean.2008.10.005.
  • Walters, CJ, R. Hilborn, V. Christensen. 2008. Surplus production dynamics in declining and recovering fish populations. Canadian Journal of Fisheries and Aquatic Research 65:2536-2551. (doi:10.1139/F08-170)
  • Walters, C, Martell, SJD, Christensen, V, and Mahmoudi, B. 2008. An Ecosim model for exploring ecosystem management options for the Gulf of Mexico: implications of including multistanza life history models for policy predictions. Bull. Mar. Sci. 83(1):251-271.
  • Christensen, V., Aiken, K.A., Villanueva, M.C. 2007. Threats to the ocean: on the role of ecosystem approaches to fisheries. Social Science Information: 46(1): 67-86.
  • Freire, K.M.F., Christensen, V., Pauly, D. 2007. Assessing fishing policies for northeastern Brazil. Pan-American Journal of Aquatic Sciences 2(2): 113-130.
  • Heymans, J.J., Guénette, S., and Christensen, V. 2007. Evaluating network analysis indicators of ecosystem status in the Gulf of Alaska. Ecosystems: 10(3):488-502
  • 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.
  • Walters, C and V. Christensen. 2007. Adding realism to foraging arena predictions of trophic flow rates in Ecosim ecosystem models: shared foraging arenas and bout feeding. Ecological Modelling 209:342-350.
  • Guénette, S., Heymans, J. J., Christensen, V., and Trites, A. W. 2006. Ecosystem models show combined effects of fishing, predation, competition, and ocean productivity on Steller sea lions (Eumetopias jubatus) in Alaska. Can. J. Fish. Aquat. Sci., 63:2495-2517
  • Libralato, S., V. Christensen and D. Pauly. 2006. A method for identifying keystone species in food web models. Ecological Modelling, 195:153-171.
  • Daan, N., V. Christensen and P. Cury (Eds.) 2005. Quantitative Ecosystem Indicators for Fisheries Management. ICES Journal of Marine Science 62(3):308-615. (Special issue)
  • Sherman, K., Sissenwine, M., Christensen, V., Duda, A., Hempel, G., Ibe, C., Levin, S., et al. 2005. A global movement toward an ecosystem approach to management of marine resources. Marine Ecology Progress Series 300, 275-279.
  • Walters, C. J., Christensen, V., Martell, S. J., and Kitchell, J. F. 2005. Possible ecosystem impacts of applying MSY policies from single-species assessment.  ICES Journal of Marine Science, 62(3):558-568.
  • Christensen, V., and J. Maclean, (Eds.) 2004. Placing fisheries in their ecosystem context. Ecological Modelling 172(2-4):102-438, (Special issue)
  • Christensen, V. and C. J. Walters. 2004. Ecopath with Ecosim: methods, capabilities and limitations. Ecol. Model. 172:109-139
  • Christensen, V. and C. J. Walters. 2004. Trade-offs in ecosystem-scale optimization of fisheries management policies. Bull. Mar. Sci., 74(3):549-562
  • Kavanagh, P., N. Newlands, V. Christensen and D. Pauly. 2004. Automated parameter optimization for Ecopath ecosystem models. Ecol. Model. 172:141-149
  • Shannon, L. J., Christensen, V., and Walters, C. 2004. Modelling stock dynamics in the southern Benguela ecosystem over the last twenty five years. African Journal of Marine Science, 26: 179-196
  • Christensen, V., Guénette, S., Heymans, J. J., Walters, C. J., Watson, R., Zeller, D. and Pauly, D. 2003. Hundred-year decline of North Atlantic predatory fishes. Fish and Fisheries 4: 1-24.
  • Pauly, D., J. Alder, E. Bennett, V. Christensen, P. Tyedmers and R. Watson. 2003. The future for fisheries. Science, 302:1359-1361.
  • Pauly, D., V. Christensen, S. Guénette, T.J. Pitcher. U.R. Sumaila, C.J. Walters, R. Watson and D. Zeller. 2002. Towards sustainability in world fisheries. Nature 418, 689 - 695.
  • Beattie, A., Sumaila, U. R., Christensen, V., and Pauly, D. 2002. A model for the bioeconomic evaluation of marine protected area size and placement in the North Sea. Natural Resource Modeling, 15(4):413-437.
  • Christensen, V. 2000. Indicators for marine ecosystems impacted by fisheries. Mar. Freshwater Res. 51:447-450
  • Pauly, D., V. Christensen, and C.J. Walters. 2000. Ecopath, Ecosim and Ecospace as tools for evaluating ecosystem impact of fisheries. ICES J. of Marine Science 57: 697-706  
  • Walters, C.J., J.F. Kitchell, V. Christensen and D. Pauly. 2000. Representing density dependent consequences of life history strategies in aquatic ecosystems: Ecosim II. Ecosystems 3: 70-83.
  • Walters, C., D. Pauly and V. Christensen. 1999. Ecospace: prediction of mesoscale spatial patterns in trophic relationships of exploited ecosystems, with emphasis on the impacts of marine protected areas. Ecosystems 2: 539-554.
  • Christensen, V. 1998. Fishery induced changes in a marine ecosystem: insights from models of the Gulf of Thailand. Journal of Fish Biology 53 (Supplement A): 128-142.
  • Christensen, V. and D. Pauly. 1998. Changes in models of aquatic ecosystems approaching carrying capacity. Ecological Applications, 8(1): S104-S109.
  • Pauly, D., A. Trites, E. Capuli, and V. Christensen. 1998. Diet compositions and trophic levels of marine mammals. ICES Journal of Marine Science, 53: 467-481.e
  • Pauly, D., R. Froese and V. Christensen. 1998. How pervasive is "fishing down marine food webs": response. Science 282 (5393): 1383a, 1998 November 20.
  • Pauly, D., V. Christensen, A. Dalsgaard, R. Froese, and J. Torres. 1998. Fishing down marine food webs. Science 279 (5352): 860-863.
  • Trites, A. D. Pauly and V. Christensen. 1997. Competition between fisheries and marine mammals for prey and primary production in the Pacific Ocean. J. North West Atl. Fish. Sci. 22: 173-187.
  • Walters, C., V. Christensen and D. Pauly. 1997. Structuring dynamic models of exploited ecosystems from trophic mass-balance assessments. Reviews in Fish Biology and Fisheries 7:139-172.
  • Christensen, V. 1996. Managing fisheries involving top predator and prey species components. Reviews in Fish Biology and Fisheries. 6:417-442.
  • Christensen, V. 1996. Virtual Population Reality. Reviews in Fish Biology and Fisheries, 6: 243-247.
  • Christensen, V. 1995. A model of trophic interactions in the North Sea in 1981, the Year of the Stomach. Dana 11(1):1-19.
  • Christensen, V. 1995. Ecosystem maturity - towards quantification. Ecol. Modelling. 77:3-32.
  • Dalsgaard, J.P.T., C. Lightfoot, and V. Christensen. 1995. Towards quantification of ecological sustainability in farming systems analysis. Ecol. Engineering, 4: 181-189.
  • Pauly, D., and V. Christensen. 1995. Primary production required to sustain global fisheries. Nature: 374:255-257.
  • Christensen, V. 1994. Emergy based ascendency. Ecol. Modelling. 72: 129-144.
  • Christensen, V. 1994. On the behavior of some proposed goal functions for ecosystem development. Ecol. Modelling. 75/76: 37-49
  • Christensen, V. and D. Pauly. 1992. ECOPATH II - A software for balancing steady-state ecosystem models and calculating network characteristics. Ecol. Modelling 61:169-185.
  • Munk, P. and V. Christensen. 1990. Larval growth and drift pattern and the separation of herring spawning groups in the North Sea. J. Fish Biol. 37:135-148.
  • Munk, P., Kioerboe, T., and Christensen, V. 1989. Vertical migrations of herring, Clupea harengus, larvae in relation to light and prey distribution. Environmental Biology of Fishes, 26(2):87-96.
  • Kioerboe, T., Munk, P., Richardson, K., Christensen, V., and Paulsen, H. 1988. Plankton dynamics and larval herring growth, drift and survival in a frontal area. Marine Ecology Progress Series, 44(3):205-219.
  • Munk, P., Christensen, V., and Paulsen, H. 1986. Studies of a larval herring (Clupea harengus L.) patch in the Buchan area. 2. Growth, mortality and drift of larvae. Dana, 6:11-24

(b)    Conference Proceedings

  • Christensen, V., Amorim, P. A., Diallo, I., Diouf, T., Guénette, S., Heymans, J. J., Mendy, A. N., Ould Taleb Ould Sidi, M. M., Palomares, M. L. D., Samb, B., Stobberup, K. A., Vakily, J. M., Vasconcellos, M., Watson, R., and Pauly, D., 2004. Trends in fish biomass off Northwest Africa, 1960-2000. In: Marine Fisheries, Ecosystems, and Societies in West Africa: Half a Century of Change. pp. 377-386, IRD, Paris
  • Pitcher, T. J., Heymans, S. J. J., Ainsworth, C., Buchary, E. A., Sumaila, U. R., and Christensen, V., 2004. Opening the lost valley: implementing a 'Back to the Future' restoration policy for marine ecosystems and their fisheries. In: Sustainable Management of North American Fisheries. pp. 165-193, Ed. by E. E. Knudsen, D. D. MacDonald, and J. K. Muirhead, American Fisheries Society Symposium, Vol. 43.
  • Jarre-Teichmann, A. and V. Christensen. 1998. Comparative modelling of trophic flows in four large upwelling ecosystems: global vs. local effects. P 423-443 in. Durand, M.-H., P. Cury, R. Mendelssohn, C. Roy, A. Bakun, and D. Pauly (eds.) Global vs. Local Changes in Upwelling Ecosystems. Proc. of the first CEOS symposium, 5-9 September 1994, Monterey, CA. Orstom, Paris.
  • Pauly, D., F.C. Gayanilo, Jr., R. Froese and V. Christensen. 1995. Software tools for management of tropical aquatic resources. p. 90-102 in G.T. Sakagawa (ed.) Assessment methodologies and management. Proceedings of the World Fisheries Congress, Theme 5. Oxford & IBH Publishing Co. Pvt. Ltd., New Delhi.
  • Christensen, V. and D. Pauly, eds. 1993. Trophic models of aquatic ecosystems. ICLARM Conf. Proc. 26, 390 p. International Center for Living Aquatic Resources Management (ICLARM), Manila; International Council for the Exploration of the Seas (ICES), Copenhagen; and Danish International Development Assistance (DANIDA), Copenhagen.
  • Christensen, V., and D. Pauly. 1993. Flow characteristics of aquatic ecosystems, p. 338-352. In V. Christensen and D. Pauly (eds.) Trophic models of aquatic ecosystems. ICLARM Conf. Proc. 26, 390 p.
  • Christensen, V. and D. Pauly. 1993. On steady-state modelling of ecosystems, p. 14-19. In V. Christensen and D. Pauly (eds.) Trophic models of aquatic ecosystems. ICLARM Conf. Proc. 26, 390 p.
  • Moreau, J., V. Christensen and D. Pauly. 1993. Analysis of African lakes using a multispecies trophic model: the example of Lake George, Uganda, p. 124-129. In V. Christensen and D. Pauly (eds.) Trophic models of aquatic ecosystems. ICLARM Conf. Proc. 26, 390 p.
  • Ruddle, K. and V. Christensen. 1993. An energy flow model of the mulberry dike-carp pond farming system of the Zhujiang Delta, Guangdong Province, China, p. 48-55. In V. Christensen and D. Pauly (eds.) Trophic models of aquatic ecosystems. ICLARM Conf. Proc. 26, 390 p.
  • Pauly, D. and V. Christensen. 1993. Graphical representation of steady-state trophic ecosystem models, p. 20-28. In V. Christensen and D. Pauly (eds.) Trophic models of aquatic ecosystems. ICLARM Conf. Proc. 26, 390 p.

(c)    Other

  • Watson, R., J. Alder, V. Christensen and D. Pauly. 2005. Mapping global fisheries patterns and their consequences. Part I,2 In: D.J. Wright and A. Scholz (eds). Place Matters – Geospatial Tools for Marine Science, Conservation and Management in the Pacific Northwest. Oregon State University Press, Corvallis. 272 pp.
  • Pauly, D., J. Alder, E. Bennett, V. Christensen, P. Tyedmers and R. Watson. 2003. The future for fisheries p. 29-36 In: D. Kennedy et al. (eds.) Science Magazine’s State of the Planet, 2006-2007. AAAS, Washington, DC.
  • Pauly, D., and V. Christensen. 2002. Chapter 10: Ecosystem Models. p. 211-227 in P. Hart and J. Reynolds, editors. Handbook of Fish and Fisheries, vol. 2. Blackwell Science.
  • Christensen, V. and D. Pauly. 2001. Coral reef and other tropical fisheries. p. 534-538 in J.H. Steele, S.A. Thorpe and K.K. Turekian (Editors). Encyclopedia of Ocean Sciences, Academic Press.