Non-refereed

(a) Journals

Villasante, S., Arreguín-Sánchez, F., Heymans, J.J., Libralato, S., Piroddi, C., Christensen, V., Coll, M. 2016. Modelling marine ecosystems using the Ecopath with Ecosim food web approach: new insights to address complex dynamics after 30 years of developments. Ecological Modelling, 331:1-4

Christensen, V. 2014. Are we there yet? Advancing an Ecosystem Approach in the Gulf of Maine. 2014. Transactions of the American Fisheries Society, 143(3):832-832.

Cury, P, and V. Christensen. 2005. Quantitative ecosystem indicators for fisheries management: an introduction. ICES Journal of Marine Science, 62:307-310.

Christensen, V. 2004. When South Africans swim together. Foreword to special issue "An ecosystem approach to fisheries management in the southern Benguela". African Journal of Marine Science, 26:i-ii

Christensen, V. and D. Pauly. 2004. Placing fisheries in their ecosystem context, an introduction. Ecol. Model. 172:103-107

(b) Conference Proceedings

Palomera I., Navarro J., Coll M., Bernal M., Olivar M.P., Albo-Puigserver M., Barría C., Sáez-Liante R., Steenbeek J., Christensen V., Barroeta Z., Cardona H.,Corrales, X., López N., Martínez F., Muñoz A., Sánchez S., Valls E., Rosas-Luis R. 2015. The ECOTRANS Project: unraveling the trophic pathways and energy transfer from small pelagic fish to top predators in the Mediterranean Sea. The 3^rdCLIOTOP Symposium, 14-18 September 2015, San Sebastian Spain, (poster).

Christensen, V. 2014. The baby has turned 30. Foreword. p. 1. In: Steenbeek, J., Piroddi, C., Coll, M., Heymans, J. J., Villasante, S., Christensen, V. (eds.), Ecopath 30 Years Conference Proceedings: Extended Abstracts. Fisheries Centre Research Reports 22(3).

Gasalla, MA, Rodrigues, AR, Pincinato, RBM. Christensen, V. 2014. Ecosystem model of the Santos Basin Marine Ecosystem, p. 42-43. In: Steenbeek, J., Piroddi, C., Coll, M., Heymans, J. J., Villasante, S., Christensen, V. (eds.), Ecopath 30 Years Conference Proceedings: Extended Abstracts. Fisheries Centre Research Reports 22(3).

Valls A., Coll M., Christensen V. 2014. Keystone species: a restored and operational concept to inform marine biodiversity conservation, p. 54-55. In: Steenbeek, J., Piroddi, C., Coll, M., Heymans, J. J., Villasante, S., Christensen, V. (eds.), Ecopath 30 Years Conference Proceedings: Extended Abstracts. Fisheries Centre Research Reports 22(3).

Zetina-Rejón M.J., I.M. Abascal-Monroy, J.C. Hernández-Padilla, P. del Monte-Luna, G. López-Ibarra, F. Arreguín-Sánchez, and V. Christensen. 2014. The relevance of cohesive structures in the self-organization of marine ecosystems, p. 92-93. In: Steenbeek, J., Piroddi, C., Coll, M., Heymans, J. J., Villasante, S., Christensen, V. (eds.), Ecopath 30 Years Conference Proceedings: Extended Abstracts. Fisheries Centre Research Reports 22(3).

Piroddi C, Coll M, Steenbeek J, Liquete C, Macias Moy D, Christensen V. 2014 Modelling the Mediterranean marine ecosystem as a whole: addressing the challenge of complexity, p. 118-120. In: Steenbeek, J., Piroddi, C., Coll, M., Heymans, J. J., Villasante, S., Christensen, V. (eds.), Ecopath 30 Years Conference Proceedings: Extended Abstracts. Fisheries Centre Research Reports 22(3).

Christensen V, Coll M, Steenbeek J, Buszowski J, Chagaris D, Walters C. 2014. Representing variable habitat quality in a spatial food web model. p. 141-142. In: Steenbeek, J., Piroddi, C., Coll, M., Heymans, J. J., Villasante, S., Christensen, V. (eds.), Ecopath 30 Years Conference Proceedings: Extended Abstracts. Fisheries Centre Research Reports 22(3).

Christensen, V. 2014. Modeling marine ecosystems: lessons learned and the road ahead. In: Steenbeek, J., Piroddi, C., Coll, M., Heymans, J. J., Villasante, S., Christensen, V. (eds.), Ecopath 30 Years Conference Proceedings: Extended Abstracts. Fisheries Centre Research Reports 22(3).

Piroddi C, Steenbeek J, Liquete C, Coll M, Macias Moy D, Giannoulaki M, Christensen V. 2014. Advances on modelling spatial-temporal ecosystem dynamics in the Mediterranean Sea. p. 143-144. In: Steenbeek, J., Piroddi, C., Coll, M., Heymans, J. J., Villasante, S., Christensen, V. (eds.), Ecopath 30 Years Conference Proceedings: Extended Abstracts. Fisheries Centre Research Reports 22(3).

Inoue H, Christensen V, Yamashita Y. 2014. Temporal and spatial variability in overfished coastal ecosystems: a case study from Tango Bay, Japan. p. 150-151. In: Steenbeek, J., Piroddi, C., Coll, M., Heymans, J. J., Villasante, S., Christensen, V. (eds.), Ecopath 30 Years Conference Proceedings: Extended Abstracts. Fisheries Centre Research Reports 22(3).

Coll M, Steenbeek J, Palomera I, Christensen V. 2014. Cumulative impacts of human activities in the southern Catalan sea (NW Mediterranean) ecosystem associated with the Ebro Delta River. p. 170-171. In: Steenbeek, J., Piroddi, C., Coll, M., Heymans, J. J., Villasante, S., Christensen, V. (eds.), Ecopath 30 Years Conference Proceedings: Extended Abstracts. Fisheries Centre Research Reports 22(3).

Christensen V, Coll M, Buszowski J, Cheung WWL, Frölicher T, Steenbeek J, Stock CA, Watson RA, Walters C. 2014. The global ocean is an ecosystem: Simulating marine life and fisheries. p. 175-177. In: Steenbeek, J., Piroddi, C., Coll, M., Heymans, J. J., Villasante, S., Christensen, V. (eds.), Ecopath 30 Years Conference Proceedings: Extended Abstracts. Fisheries Centre Research Reports 22(3).

Pavés, H.J. , González H.E., Christensen V. 2014. Carbon fluxes of two pelagic communities in the North Chilean Patagonian coastal system. p. 178-179. In: Steenbeek, J., Piroddi, C., Coll, M., Heymans, J. J., Villasante, S., Christensen, V. (eds.), Ecopath 30 Years Conference Proceedings: Extended Abstracts. Fisheries Centre Research Reports 22(3).

Steenbeek, J., Coll M, Gurney L, Mélin M, Hoepffner N, Buszowski J, Christensen V. 2014. Bridging the gap between ecosystem modelling tools and geographic information systems: driving food web model with external spatial-temporal data, p. 182-183. In: Steenbeek, J., Piroddi, C., Coll, M., Heymans, J. J., Villasante, S., Christensen, V. (eds.), Ecopath 30 Years Conference Proceedings: Extended Abstracts. Fisheries Centre Research Reports 22(3).

Pavés, H.J. , González H.E., Christensen V. 2014. Trophic impact and keystone species in two pelagic communities in the North Chilean Patagonian coastal system. p. 198-200. In: Steenbeek, J., Piroddi, C., Coll, M., Heymans, J. J., Villasante, S., Christensen, V. (eds.), Ecopath 30 Years Conference Proceedings: Extended Abstracts. Fisheries Centre Research Reports 22(3).

Colléter, M., Valls A, Guitton J, Morisette L, Arreguín-Sánchez F, Christensen V, Gascuel D, Pauly D. 2014. EcoBase: a repository solution to gather and communicate information from EwE models, p. 206-207. In: Steenbeek, J., Piroddi, C., Coll, M., Heymans, J. J., Villasante, S., Christensen, V. (eds.), Ecopath 30 Years Conference Proceedings: Extended Abstracts. Fisheries Centre Research Reports 22(3).

Colléter, M., Valls A, Guitton J, Christensen V, Gascuel D, Pauly D.2014. Overview of worldwide applications of the Ecopath with Ecosim approach using the EcoBase models repository, p. 208-210. In: Steenbeek, J., Piroddi, C., Coll, M., Heymans, J. J., Villasante, S., Christensen, V. (eds.), Ecopath 30 Years Conference Proceedings: Extended Abstracts. Fisheries Centre Research Reports 22(3).

The Technical Committee of the Ecopath Research and Development Consortium. 2014. Programming with EwE: customizing EwE for your science p. 211-212. In: Steenbeek, J., Piroddi, C., Coll, M., Heymans, J. J., Villasante, S., Christensen, V. (eds.), Ecopath 30 Years Conference Proceedings: Extended Abstracts, pp. 211. Fisheries Centre Research Reports 22(3).

The Executive Board of the Ecopath Research and Development Consortium. 2014. The Ecopath Research and Development Consortium: the future of EwE. p. 213-214. In: Steenbeek, J., Piroddi, C., Coll, M., Heymans, J. J., Villasante, S., Christensen, V. (eds.), Ecopath 30 Years Conference Proceedings: Extended Abstracts, pp. 213. Fisheries Centre Research Reports 22(3).

Arias-González, J.E., Abarca, L.G., Alcocer-Durán, J., Cabrera, J.L., Caderón-Aguilera, L.E., Chiappa-Carrara, X., Christensen, V., Cupul-Magaña, A., Franco-López, J., Pérez-España, H., Morales-Zárate, V., Rodriquez-Zaragoza, F.A., Sansores, C. and Schmitter-Soto, J.J., 2009. Relationship between biodiversity and ecosystem functioning in Mexican aquatic systems. p. 76-78.In: M. Palomares et al. (Editor), Ecopath 25 Years Conference Proceedings: Extended Abstracts Fisheries Centre Research Reports 17(3) Fisheries Centre, University of British Columbia [ISSN 1198-6727]. 167 p,

Brown, C.J., Fulton, E.A., Hobday, A.J., Matear, R., Possingham, H., Bulman, C., Christensen, V., Forrest, R., Gehrke, N., Gribble, N., Griffiths, S., Lozano-Montes, H., Martin, J., Metcalf, S., Okey, T., Watson, R. and Richardson, A.J., 2009. Ecological interactions within marine ecosystems determine winners and losers under climate change. p. 90-93. In: M. Palomares et al. (Editor), Ecopath 25 Years Conference Proceedings: Extended Abstracts Fisheries Centre Research Reports 17(3) Fisheries Centre, University of British Columbia [ISSN 1198-6727]. 167 p.

Christensen, V., 2009. The future of Ecopath. p. 159-160. In: M. Palomares et al. (Editor), Ecopath 25 Years Conference Proceedings: Extended Abstracts Fisheries Centre Research Reports 17(3) Fisheries Centre, University of British Columbia [ISSN 1198-6727]. 167 p.

Christensen, V., Lai, S. and Townsend, H., 2009. Chesapeake Bay fisheries ecosystem model: computer-generated graphics for creating a gaming experience with ecosystem data and management. P. 136 In: M. Palomares et al. (Editor), Ecopath 25 Years Conference Proceedings: Extended Abstracts Fisheries Centre Research Reports 17(3) Fisheries Centre, University of British Columbia [ISSN 1198-6727]. 167 p.

Cisneros-Montemayor, A.M., Christensen, V., Sumaila, U.R. and Arreguín-Sanchez, F., 2009. Fisheries in Baja California Sur: A trophic-based analysis of management scenarios. p. 29-30. In: M. Palomares et al. (Editor), Ecopath 25 Years Conference Proceedings: Extended Abstracts Fisheries Centre Research Reports 17(3) Fisheries Centre, University of British Columbia [ISSN 1198-6727]. 167 p.

Coll, M., Piroddi, C., Palomera, I., Arneri, E. and Christensen, V., 2009. Main drivers of marine resources and food-web changes in the Mediterranean Sea. P. 148-150. In: M. Palomares et al. (Editor), Ecopath 25 Years Conference Proceedings: Extended Abstracts Fisheries Centre Research Reports 17(3), Fisheries Centre, University of British Columbia [ISSN 1198-6727]. 167 p.

Espinosa, M., Gregr, E., Chan, K., 2009. Supporting ecosystem based management on the west coast of Vancouver Island. In: Palomares, M.L.D., Morissette, L., Cisneros-Montemayor, A., Varkey, D., Coll, M., Piroddi, C. (eds.), Ecopath 25 Years Conference Proceedings: Extended Abstracts, pp. 113-114. Fisheries Centre Research Reports 17(3). Fisheries Centre, University of British Columbia [ISSN 1198-6727]. 167 p

Link, J.S., Pranovi, F., Coll, M., Libralato, S., Christensen, V. and Legault, C., 2009. Exploring novel metrics of ecosystem overfishing using energy budget model outputs. P. 153. In: M. Palomares et al. (Editor), Ecopath 25 Years Conference Proceedings: Extended Abstracts Fisheries Centre Research Reports 17(3), Fisheries Centre, University of British Columbia [ISSN 1198-6727]. 167 p

Neira, S., Moloney, C., Cury, P.M., Mullon, C. and Christensen, V., 2009. Mechanisms affecting recovery in an upwelling food web: the case of the southern Humboldt. p 103-104. In: M. Palomares et al. (Editor), Ecopath 25 Years Conference Proceedings: Extended Abstracts Fisheries Centre Research Reports 17(3), Fisheries Centre, University of British Columbia [ISSN 1198-6727]. 167 p.

Piroddi, C., Bearzi, G. and Christensen, V., 2009. Effects of local fisheries and ocean productivity on the Northeastern Ionian Sea ecosystem. P 39-40 In: M. Palomares et al. (Editor), Ecopath 25 Years Conference Proceedings: Extended Abstracts Fisheries Centre Research Reports 17(3) Fisheries Centre, University of British Columbia [ISSN 1198-6727]. 167 p.

Piroddi, C., Varkey, D., Morissette, L. and Christensen, V., 2009. Production and consumption in Ecopath models: A global overview. P. 145-147. In: M. Palomares et al. (Editor), Ecopath 25 Years Conference Proceedings: Extended Abstracts Fisheries Centre Research Reports 17(3), Fisheries Centre, University of British Columbia [ISSN 1198-6727]. 167 p.

Poonsawat, R., Supongpan, M. and Christensen, V., 2009. Introducting ecosystem-based management in the Gulf of Thailand. P. 46. In: M. Palomares et al. (Editor), Ecopath 25 Years Conference Proceedings: Extended Abstracts Fisheries Centre Research Reports 17(3), Fisheries Centre, University of British Columbia [ISSN 1198-6727]. 167 p.

Steenbeek, J. and Christensen, V., 2009. Using true GIS data with Ecospace. P. 143-144. In: M. Palomares et al. (Editor), Ecopath 25 Years Conference Proceedings: Extended Abstracts Fisheries Centre Research Reports 17(3), Fisheries Centre, University of British Columbia [ISSN 1198-6727]. 167 p.

Villasante, S., García-Negro, M.C., Rodríguez Rodriguez, G., Christensen, V. and Sumaila, U.R., 2009. A preliminary trophic model of coastal fisheries resources of the Patagonian marine ecosystem. P. 151-152. In: M. Palomares et al. (Editor), Ecopath 25 Years Conference Proceedings: Extended Abstracts Fisheries Centre Research Reports 17(3) Fisheries Centre, University of British Columbia [ISSN 1198-6727]. 167 p.

Wabnitz, C., Bjorndal, K.A., Bolten, A.B., Christensen, V. and Pauly, D., 2009. Restoration of Chelonia mydaspopulation in the Caribbean: Ecosystem impacts resulting from reduction of seagrass habitat complexity. P. 122-123 In: M. Palomares et al. (Editor), Ecopath 25 Years Conference Proceedings: Extended Abstracts Fisheries Centre Research Reports 17(3) Fisheries Centre, University of British Columbia [ISSN 1198-6727]. 167 p.

Walters, C.J., Christensen, V. and Ahrens, R., 2009. Foraging arena theory. P. 20. In: M. Palomares et al. (Editor), Ecopath 25 Years Conference Proceedings: Extended Abstracts. Fisheries Centre Research Reports 17(3) Fisheries Centre, University of British Columbia [ISSN 1198-6727]. 167 p.

Villanueva, M.C., V. Christensen, and P. Failler. 2008. Linking ecology, sociology and economics to determine the cost of aquatic environments. Proceedings of the 5^thWorld Fisheries Congress, Yokohama, Japan.

Christensen, V., M.C. Villanueva, and K.A. Aiken. 2006. Ecosystems at risk: the contribution of ecosystem approaches to fisheries to identify problems and evaluate potential solutions. IIFET 2006: 475, 12 p.

Guénette, Sylvie, Sheila J.J. Heymans, Villy Christensen, Andrew W. Trites. 2007. Ecosystem models of the Aleutian Islands and Southeast Alaska shows that Steller sea lions are impacted by killer whale predation when sea lion numbers are low. In: J.F. Piatt and S.M. Gende (eds.) Proceedings of the Fourth Glacier Bay Science Symposium, Oct 26-28, 2004 U.S. Geological Survey Scientific Report 2007-5047, p. 150-154.

Nauen, C.E., V. Christensen, P. Failler, S. Opitz, S. Thatje 2006. Recovering fisheries from crisis or collapse: how to shorten impact time of international research cooperation. 13 pages. In: Proceedings of the Thirteenth Biennial Conference of the International Institute of Fisheries Economics & Trade, July 11-14, 2006, Portsmouth, UK: Rebuilding Fisheries in an Uncertain Environment.

Christensen V. 2003. Using Ecopath with Ecosim for ecosystem based management of fisheries. In: H. Jákupsstovu (ed.) Workshop on Ecosystem Modelling of Faroese Waters, Tórshavn, September 2002, FRS / Faroese Fisheries Laboratory 2003: 73-75

Christensen, Villy and Carl Walters. Ecopath with Ecosim: an overview. In: Proceedings of the INCO-DC Conference ‘Placing Fisheries in their Ecosystem Context’. Galápagos Islands, Ecuador, 4-8 December 2000. Ed. V. Christensen, G. Reck and J.L. Maclean. Brussels: ACP-EU Fisheries Research Reports, (12): vii+79 p., 2002. 36 - 38.

Christensen, Villy, Jan E. Beyer, Henrik Gislason and Morten Vinter. "A comparative analysis of the North Sea based on Ecopath with Ecosim and Multispecies Virtual Population Analysis". Proceedings of the INCO-DC Conference Placing Fisheries in their Ecosystem Context. Galápagos Islands, Ecuador, 4-8 December 2000. Ed. V. Christensen, G. Reck and J.L. Maclean. Brussels: ACP-EU Fisheries Research Reports, (12): vii+79 p., 2002. 39 - 39.

Christensen, V., Garces, L., Silvestre, G. T., and Pauly, D. 2003. Fisheries impacts on the South China Sea large marine ecosystem. In: Silvestre, G., L. Garces, C. Luna, M. Ahmed, R. A. V. Santos, L. Lachica-Aliño, V. Christensen and D. Pauly, eds. 2003. Assessment and Management of Tropical Coastal Fisheries in Developing Asian Countries. ICLARM Conf. Proc. 67. 1120p.

Christensen, V. 1999. Ecosystem modelling and the challenge of ecosystem-based management. p. 25-29 in Proceedings of the Expo '98 Conference on Ocean Food Webs and Economic Productivity, Lisbon, Portugal, 1-3 July 1998, Brussels, ACP-EU Fisheries Research Reports 5

Christensen, V. 1998. Marine life at risk: biodiversity issues related to fisheries. In: Proceedings of the Conference on Biodiversity and Development, 21 October 1998, Eigtveds Pakhus, Copenhagen, Denmark. Macintosh, D. J. and Nielsen, T. (Eds.). Centre for Tropical Ecosystems Research, Aarhus University, Aarhus Denmark.

Christensen, V. 1998. The new Ecopath with Ecosim. p. 9-10 in D. Pauly (Ed.) Use of Ecopath with Ecosim to Evaluate Strategies for Sustainable Exploitation of Multi-Species Resources. Fisheries Centre Research Reports, 6(2), 49p.

Christensen, V. 1997. Productivity regulation and ecosystem variability, ecosystem exploitation: modelling results. Report from the international workshop "Ocean Harvest 97", Southampton Oceanographic Centre, U.K., June 1997.

Christensen, V. and R. Mahon. 1997. Researchable issues relevant for management of large marine ecosystems, with special reference to the Caribbean. p. 79-100 in Anon, 1997. ACP-EU Fisheries Research Initiative. Proceedings of the Third Dialogue Meeting, Caribbean and Pacific and the European Union. Belize City, Belize, 5-10 December 1996. Brussels, ACP-EU Fish.Res. Rep., (3).

(c) Other

Brummet, R., 2013. Growing aquaculture in sustainable ecosystems. World Bank, Agriculture and Environmental Services Department, Issue 5, 4 p. (Contributor).

Christensen, V. 2013. Ecological networks in fisheries: predicting the future? Fisheries, 38(2): 76-82.

Christensen, V, A Boustany, J Buszowski, WWL Cheung, DC Dunn, D Felinto, C Folke, PN Halpin, K Kearney, C McOwen, A Merrie, M Metian, H Österblom, Y Ota, RR Rykaczewski, JL Sarmiento, J Steenbeek, CA Stock, UR Sumaila, W Swartz, CJ Walters, R Watson, J Watson, A Valls, L Wood, and D Pauly. Life in the future ocean: the Nereus model. Manuscript presented at AAAS 2012, session “Predicting the Future Ocean: Nereus Program” in Vancouver BC, 18 February 2012.

Christensen, V. 2012. The Oracle Meets Nereus: Predicting the Future Ocean. UBC Reports, 58(1). Jan. 3, 2012. Online Edition.

Kleisner, K., Coll, M., Christensen, V., Boonzaier, L., Strub, A.M., Zeller, D., Pauly, D., 2012. Towards increasing fisheries’ contribution to food security. Part 1: The potentials of 25 fishing countries. The Sea Around Us Project, Fisheries Centre, Univ. of British Columbia, 150 p.

Link, J.S., F. Pranovi, S. Libralato, M. Coll, V. Christensen, C. Legault. 2012. Delineating marine ecosystem perturbation and recovery: Theory and application of a trophic approach. ICES CM 2012/A.

Christensen, V., Piroddi, C., Coll, M., Steenbeek, J., Buszowski, J., & Pauly, D. 2011. Fish biomass in the world ocean: A century of decline(pp. 1–20). Fisheries Centre Working Paper Series, Working paper #2011-06.

Christensen, V. 2011. Modeling approaches in support of ecosystem-based fishery management at the Northeast Fisheries Science Center, Woods Hole MA; External independent peer review. Center for Independent Experts, Miami, FL. April 2011. 46 pp.

ICES. 2011. Report of the Training Course: Ecosystem Modelling for Fisheries Management (TCEMFM2011), 7-11 March 2011, ICES Headquarters, Copenhagen. 18 pp

Lai, S., Felinto, D., Steenbeek, J., Buszowski, J., Watson, R., Zeller, D., Pauly, D., Christensen, V. 2011. Deriving indicators for Regional Seas. In: Christensen, V., Lai, S., Palomares, M.L.D., Zeller, D., Pauly, D. (eds.), The State of Biodiversity and Fisheries in Regional Seas, pp. 3-9. Fisheries Centre Research Reports 19(3). Fisheries Centre, University of British Columbia [ISSN 1198-6727].

ICES. 2010. Report of the Training Course: Ecosystem Modelling for Fisheries Management (TCEMFM2010), 8-12 March 2010, ICES Headquarters, Copenhagen. 20 pp

Wieckowski, K.M., D.R. Marmorek, V. Christensen, D. Preikshot. 2010. Beaufort ERI: Integrated ecosystem modeling workshop proceedings (December 15 to 17, 2009). Prepared for Fisheries and Oceans Canada. Workshop proceedings prepared by ESSA Technologies Ltd., Vancouver, BC for the Arctic Aquatic Research Division, Fisheries and Oceans Canada, Winnipeg, Manitoba.

Christensen, V., Lai, S., Pan, M., Felinto, D. and Townsend, H., 2009. Life in Chesapeake Bay: an animated documentary The Sea Around Us Newsletter, UBC Fisheries Centre, 53:1-2.

Walters, C., and Christensen, V. 2009. Foraging arena theory. UBC Fisheries Centre Working Paper #2009-03. 18 p. (Available at http://www.fisheries.ubc.ca/publications/working/).

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. UBC Fisheries Centre Working Paper #2009-05. 23 p. (Available at http://www.fisheries.ubc.ca/publications/working/).

Christensen, V. 2008. Adding behavior to ecosystem modeling. UBC Fisheries Centre Working Paper #2008-02. 3 p. (Available at http://www.fisheries.ubc.ca/publications/working/).

Christensen, V. 2008. Workshop observations. In Report of the National Ecosystem Modeling Workshop (NEMoW). Edited by H.M. Townsend, J.S. Link, K.E. Osgood, T. Gedamke, G.M. Watters, J.J. Polovina, P.S. Levin, N. Cyr and K.Y. Aydin. NOAA Technical Memorandum NMFS-F/SPO-87. p. 85.

Christensen, V., Lai., S. 2008. Ecosystem models: Ecopath with Ecosim 6. P 52-58 in DFO National Workshop on Modelling Tools for Ecosystem Approaches to Management; 22-25 October 2007. DFO Can. Sci. Advis. Sec. Proceed. Ser. 2008/007.

FAO, 2008. Fisheries management. 2. The ecosystem approach to fisheries. 2.1 Best practices in ecosystem modelling for informing an ecosystem approach to fisheries., FAO Fisheries Technical Guidelines for Responsible Fisheries. No. 4, Suppl. 2, Add. 1. Rome, FAO. 2008. 78p.

Hongguang Ma, Howard Townsend, VILLY CHRISTENSEN. 2008. Fisheries Ecosystem Model of the Chesapeake Bay and its coupling with a hydrographic model. Poster presented at AFS Annual Meeting, Ottawa, Aug 17-21.

Sherman, K., I. Belkin, V. Christensen, D. Pauly, S. Seitzinger, P. Hoagland, D. Jin, M.-C. Aquarone, and S. Adams. 2008. GEF International Waters Indicators for Developing a Global Benefits Index of Changing States of Large Marine Ecosystems. Working paper for GEF International Waters Indicators Review Workshop, 3-4 Dec. 2008, UNESCO, Paris, 74 p.

Booth, S., Townsend, H., Christensen, V. 2008. Mercury in the Chesapeake. The Sea Around Us Project Newsletter 45: 5-6.

Christensen. Villy, Joe Buszowski, Robyn Forrest, Fang Gao, Carie Hoover, Joe Hui, Sherman Lai, Jeroen Steenbeek, William Walters and Carl Walters. 2007. All new Ecopath with Ecosim 6. PICES 16th Annual Meeting, Victoria BC, October 26-November 5, 2007, S3-4136 (poster, also presented at ICEM’06).

Christensen, V., Lai, S. 2007. Ecopath with Ecosim 6: the sequel. The Sea Around Us Project Newsletter 43: 1-4 (September-October)

Gascuel D., Christensen V., Pauly D. 2007. EcoTroph : modelling marine ecosystem functioning and impact of fishing. Abstract, 6th European Conference on Ecological Modelling - ECEM'07. Trieste, Italy, November 27-30, 2007

Heymans, Sheila JJ, Sylvie Guénette, VILLY CHRISTENSEN. 2007. Network analysis indicators of ecosystem status in the Gulf of Alaska. ECEM’06, Trieste, Italy, November 27-30 (poster).

Heymans, S (J. J.), Guénette, S., Christensen, V., and Trites, A. W. 2007. Steller sea lions in the Gulf of Alaska: Modelling effects of environmental variation and fishing. The Scottish Association for Marine Science Newsletter 33: 14.

Li, L. R.H. Devlin, V. Christensen, and M. McAllister. 2007. Exploratory ecological risk assessment of transgenic coho using EwE. Report to Fisheries and Oceans Canada (DFO)

Pauly, D., R. Watson and V. Christensen. 2007. Les réserves marines: un remède efficace? Les Dossiers de la Recherche. No. 28 (August): 34-37.

Piroddi, C., Christensen, V. 2007. An ecosystem-based approach to study two dolphin populations around the island of Kalamos, Ionian Sea, Greece. ECEM’06, Trieste, Italy, November 27-30 (poster).

Christensen, V., Vincent, A., 2006. Thinking big calls for thanking big. FishBytes, UBC, 12(3):3

Christensen, V. 2006. Turning the tide is easy enough. Sea Around Us Newsletter 33: 1-5 (January/February). UBC, Vancouver.

Christensen, V., Booth, S. 2006. Ecosystem modelling of dioxin distribution patterns in the marine environment, p. 83-102. In: Alder, J. Pauly, D. (eds.) On the multiple uses of forage fish: from ecosystems to markets. Fisheries Centre Research Reports V(n). Fisheries Centre, University of British Columbia [ISSN 1198-6727].

Christensen, V. and C.J. Walters. 2005. Using ecosystem modeling for fisheries management: where are we? ICES CM/M:19.

Guénette, S, Christensen, V. 2005. Fisheries, the environment, or what? An introduction. UBC Fisheries Centre Research Reports, Vol 13 (1): 7.

Heymans, J.J., Guénette, S., Christensen, V. and Trites, A. 2005. Changes in the Gulf of Alaska ecosystems due to ocean climate change and fishing. ICES CM 2005/M:22.

Kaschner, K., R. Watson, V. Christensen, A.W. Trites and D. Pauly. 2005. Modelling and mapping resource overlap between marine mammals and fisheries on a global scale. In Institutskolloquium, February 2005, Forschungs- und Technologiezentrum Büsum, Büsum, Germany.

Pauly, D., S. Booth, V. Christensen, W.L., Cheung, C. Close, A. Kitchingman, M.L.D. Palomares, R. Watson, and D. Zeller. 2005. On the exploitation of elasmobranchs, with emphasis on Cowtail stingray Pastinachus sephen(family Dasyatidae) Fisheries Centre Working Paper 2005-07, The University of British Columbia, Vancouver, B.C., Canada

Kaschner, K., R. Watson, V. Christensen, A.W. Trites and D. Pauly. 2004. Modelling and mapping resource overlap between marine mammals and fisheries on a global scale (SC/56/E31). Environmental Concerns Working Group, IWC Scientific Committee Meeting, Sorrento, Italy, 33 p.

Christensen, V. and P. Cury. 2004. Paris by day: Symposium on “Quantitative ecosystem indicators for fisheries management”. PICES Press 12(2):4-6.

Guénette, S., J.J. Heymans, V. Christensen and A.W. Trites. 2004. Reconciling the decline of Steller sea lions with fisheries and ecosystem change in Alaska. Poster presented at the World Fisheries Congress, Vancouver, Canada, 2-6 May 2004.

Kaschner, K., R. Watson, V. Christensen, A.W. Trites and D. Pauly. 2004. Modelling and mapping trophic overlap between marine mammals and fisheries on a global scale: implications for fisheries management. In 4th World Fisheries Congress, May 2-6, 2004, Vancouver, British Columbia, Canada.

Libralato, S., V. Christensen and D. Pauly. 2004. Identification of keystone species from ecosystem models. Poster presented at the IOC/SCOR International Symposium on ecosystem indicators, Paris, 30 March – 3 April. (www.ecosystemindicators.org/Posters/Libralato.pdf).

Preikshot, D., V. Christensen, R. Beamish and D. Pauly. 2004. An examination of ecosystem dynamics across different spatial scales reflected by climate and fisheries effects in North Pacific Oceanic ecosystems. Poster presented at the IOC/SCOR International Symposium on ecosystem indicators, Paris, 30 March – 3 April. (http://www.ecosystemindicators.org/Posters/Preikshot.pdf),

Watson, R., J. Alder, S. Booth, V. Christensen, K. Kaschner, A. Kitchingman, S. Lai, M.L.D. Palomares, F. Valdez, D. Zeller and D. Pauly. 2004. Welcome to www.seaaroundus.org: launching our ‘products’ on the web. Sea Around Us Project Newsletter March/April (22): 1-8.

Watson, R., J. Alder, V. Christensen and D. Pauly, D. 2004. Probing the depth: reverse engineering of fisheries statistics. Presented at the Symposium on ‘Place matters: geospatial tools for marine science, conservation and management’. Description p. S20; abstract on attached CD-ROM. In: AAAS Annual Meeting, 12-16 February 2004, Seattle.

Christensen, V. 2003. Last week it was summer – confessions of an ecosystem traveler. FishBytes/Sea Around Us Newsletter, UBC, January-February 2003: 3-7.

Christensen, V., R. Watson and D. Pauly. 2002. Falling fish catches since the 1970s. Map insert In: ‘A World Transformed.’ National Geographic, Washington, D.C.

Pauly, D., Watson, R. and Christensen, V. 2002. Quand le poisson vient à manquer. La Recherché. July-August 355:80-83

Walters, C. J., Christensen, V. and Pauly, D. 2002. Searching for optimum fishing strategies for fisheries development, recovery and sustainability In: The use of ecosystems models to investigate multispecies management strategies for capture fisheries (eds Pitcher, T. J. and Cochrane, K.) Fisheries Centre Research Reports 10(2), 156 pp, pp. 11-15.

Kaschner, K., R. Watson, V. Christensen, A. W. Trites, and D. Pauly. 2002. Modeling and mapping trophic overlap between marine mammals and commercial fisheries in the North Atlantic. p. 35-45 in D. Zeller, R. Watson, T. Pitcher, and D. Pauly, editors. Fisheries impact on North Atlantic ecosystems: catch, effort and national/regional ecosystems. Fisheries Centre Research Report 9(3).

Christensen, V., S. Guénette, J. J. Heymans, C. J. Walters, R. Watson, D. Zeller, and D. Pauly. 2001. Estimating fish abundance of the North Atlantic, 1950 to 1999. in S. Guénette, V. Christensen, and D. Pauly, editors. Fisheries Impacts on North Atlantic Ecosystems: Models and Analyses. Fisheries Centre Research Reports 9(4): 1-25.

Christensen, V., 2001. Ecosystems of the past – how can we know since we weren’t there? in S. Guénette, V. Christensen, and D. Pauly, editors. Fisheries Impacts on North Atlantic Ecosystems: Models and Analyses. Fisheries Centre Research Reports 9(4):26-34.

Dommasnes, A., V. Christensen, B. Ellertsen, C. Kvamme, W. Melle, L. Nottestad, T. Pedersen, S. Tjelmeland, and D. Zeller. 2001. Ecosystem model for the Norwegian Sea and Barents Sea. in S. Guénette, V. Christensen, and D. Pauly, editors. Fisheries Impacts on North Atlantic Ecosystems: Models and Analyses. Fisheries Centre Research Reports 9(4):213-240.

Walters, C. J., V. Christensen, and D. Pauly. 2002. Searching for optimum fishing strategies for fisheries development, recovery and sustainability. Pages 11-15 in T. J. Pitcher and K. Cochrane, editors. The use of ecosystems models to investigate multispecies management strategies for capture fisheries. Fisheries Centre Research Reports 10(2), 156 pp.

Beattie, A., V. Christensen, U. R. Sumaila, and D. Pauly. 2001. Marine protected areas in the North Sea: a preliminary bioeconomic evaluation using Ecoseed, a new game theory tool for use with the ecosystem simulation Ecopath with Ecosim. in U. R. Sumaila and J. Alder, editors. Economics of marine protected areas. Fisheries Centre Research Reports 9(8), UBC, Vancouver.

Cury, P. and V. Christensen. 2001. SCOR/IOC Working Group 119: 'Quantitative Ecosystem Indicators for Fisheries Management'. ICES C.M. 2001/T:02.

Christensen, V. and C.J. Walters. 2000. Ecopath with Ecosim: methods, capabilities and limitations. pp. 79-105, In: Pauly, D. and T.J. Pitcher (eds.) Methods for assessing the impact of fisheries on marine ecosystems of the North Atlantic. Fish. Centre Res. Rep. 8(2): 195 p.

Pauly, D., R. Watson, D. Zeller, and V. Christensen. 2000. Ecosystems of the North Atlantic: some definitions. The Sea Around Us Project Newsletter 2:1-4.

Pauly, D., Christensen, V., Froese, R., Longhurst, A., Platt, T., Sathyendranath, S., Sherman, K., and Watson, R. 2000. Mapping fisheries onto marine ecosystems: a consensus approach for regional, oceanic and global integration. ICES CM 2000/T:14. 16 p.

Pauly, Daniel, VILLY CHRISTENSEN, R. Froese, A. Longhurst, T. Platt, S. Sathyendranath, K. Sherman and R. Watson. 2000. Mapping fisheries onto marine ecosystems: a proposal for a consensus approach for regional, oceanic and global integration. Methods for evaluating the impacts of fisheries on North Atlantic ecosystems. Ed. Daniel Pauly and T.J. Pitcher. Fisheries Centre Research Reports 8(2).

Pauly, D., V. Christensen, R. Froese and M. L. Palomares. 2000. Fishing down aquatic food webs. American Scientist. 88.1 (2000): 46 - 51.

Supongpan, M., Christensen, V., Walters, C. and Pitcher, T., 2000. The use of ecosystem models to investigate multi-species management strategies for capture fisheries in the Gulf of Thailand. A paper presented for the Workshop on the Use of Ecosystem Models to Investigate Multi-species Management Strategies for Capture Fisheries held by FAO/UBC, Canada.

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. International Council for the Exploration of the Sea, ICES C.M. 1998/S:4, 20 p.

Christensen, V., and D. Pauly. 1998. The Ecopath approach and software. Pp. 8-11 in Okey, T.A., and D. Pauly. Trophic Mass-Balance Model of Alaska's Prince William Sound Ecosystem, for the Post-Spill Period 1994-1996. Fisheries Centre Reports 6 (4), 144 p. University of British Columbia, Vancouver, B.C., Canada

Christensen, V. and D. Pauly. 1997. Placing fisheries resources in their ecosystem context. EC Fisheries Cooperation Bulletin, 10(2): 9-14 (English and French).

Pauly, D. and V. Christensen. 1997. The Ecopath modeling approach and FishBase. Box 14, p. 124 In R. Froese and D. Pauly (eds.) FishBase 97: concepts, design and data sources. ICLARM, Manila.

Pauly, D. and V. Christensen. 1997. Trophic levels of fishes. Box 16, p. 127 In R. Froese and D. Pauly (eds.) FishBase 97: concepts, design and data sources. ICLARM, Manila.

Christensen, V. 1996. Sky-skraenter (Thermal convergence, in Danish). Flyv 6: 8-11.

Christensen, V. 1996. Balancing the Alaska gyre model. p. 32-36 In: D. Pauly and V. Christensen (eds.) Mass-Balance Models of North-Eastern Pacific Ecosystems. Fisheries Centre Research Reports 4(1).

Christensen, V. and D. Pauly. 1996. Ecological modeling for all. Naga, the ICLARM Quarterly 19 (2):25-26.

Christensen, V. and D. Pauly. 1996. Marine ecosystem management: an ode to Odum. Presented at the International Workshop on Ecosystem Management for Sustainable Marine Fisheries, Monterey, California, 19-24 Feb 1966.

Pauly, D. and V. Christensen. 1996. ECOPATH models of coral reef ecosystems. P. 137-144 in J.W. McManus and M.C. Ablan (eds.). ReefBase, a global database on coral reefs and their resources. ICLARM.

Pauly, D. and V. Christensen. 1996. Rationale for mass-balance (trophic) models, p. 12-15. In: Mass-balance models of North-eastern Pacific ecosystems. Fisheries Centre Res. Rep. 4(1)

Pauly, D. and V. Christensen. 1996. Rehabilitating fished ecosystems: insights from the past. Naga, the ICLARM Quarterly 19(3):13-14

Polovina, J.J., J. Purcell, M. Arai, A. Jarre-Teichmann, L. Huato, P. Livingston, A. Trites, K. Heise, J. Kelson, Y. Wada, S. Speckman and V. Christensen. 1996. Alaska Gyre model. p. 16-36. In: Mass-balance models of North-eastern Pacific ecosystems. Fisheries Centre Res. Rep. 4(1)

Christensen, V. 1995. A multispecies virtual population analysis incorporating information of size and age. ICES C.M. 1995/D:8.

Christensen, V. and D. Pauly. 1995. Fish production, catches and the carrying capacity of the world oceans. Naga, the ICLARM Quarterly 18(3):34-40.

Pauly, D. and V. Christensen. 1995. Coral reef systems and their exploitation: toward a global account. Reef Encounters 18:6-7.

Pauly, D., A. Trites, E. Capuli and V. Christensen. 1995. Diet composition and trophic levels of marine mammals. ICES C.M. 1995/N: 13. 22 p.

Christensen, V. 1994. Assessing trophic impacts of fish stock enhancement. Appendix to report of the ICES Workshop to evaluate the potential of stock enhancement, as an approach to fisheries management. Copenhagen, 19-24 May, 1994. ICES C.M. 1994/F:9.

Christensen, V. 1994. In our experience: a review of "Quantitative Fisheries Stock Assessment". Naga, the ICLARM Quarterly, 17(1): 55-56.

Pauly, D. and V. Christensen. 1994. Modeling coral reef ecosystems. p. 58-60. in J.L. Munro and P.E. Munro, (eds.) The management of coral reef resource systems. ICLARM Conf. Proc. 44, 124 p.

Christensen, V. and J.F. Caddy. 1993. Reflections on the pelagic food web structure in the Black Sea. Paper presented at the General Fisheries Council for the Mediterranean Technical Consultation on Stock Assessment in the Black Sea, 15-19 February 1993, Ankara, Turkey.

Bakun, A., V. Christensen, C. Curtis, P. Cury, M.H. Durand, D. Husby, R. Mendelssohn, J. Mendo, R. Parrish, D. Pauly and C. Roy. 1992. The Climate and Eastern Ocean Systems Project. Naga, the ICLARM Quarterly 15(4):26-30.

Christensen, V. 1992. Network analysis of trophic interactions in aquatic ecosystems. Royal Danish School of Pharmacy, Copenhagen, Denmark. PhD thesis. 55 p + Appendices.

Christensen, V. 1992. On Gulland and Rosenberg (1992), a review. Naga, the ICLARM Quarterly 15(4):54-55.

Christensen, V. 1992. Two new books on fish ecology from Chapman and Hall. Book review. Naga, the ICLARM Quarterly 15(1):50-51.

Christensen, V. and D. Pauly. 1992. A guide to the ECOPATH II program (version 2.1). ICLARM Software 6, 72 p. International Center for Living Aquatic Resources Management, Manila, Philippines.

Christensen, V. and D. Pauly. 1992. ECOPATH II - An approach and a software for construction of ecosystem models and food web analysis. ICES C.M. 1992/L:30. (Poster).

Christensen, V. and D. Pauly. 1992. Guide du logiciel ECOPATH II (version 2.1). ICLARM Software 6, 120 p. Adaptation française Jacques Moreau, avec l'assistance de C. Lhomme-Binudin. Centre international de gestion des ressources vivantes aquatiques (ICLARM), Manille, Philippines.

Christensen, V. and D. Pauly. 1992. Una guía al ECOPATH II sistéma de software (version 2.1). Traducido por Matthias Wolff. ZMT Contributions 1. Centro de Ecología Marina Tropical (ZMT), Bremen, Alemania, y Centro internacíonal de Manejo de recursos vivos aquaticos (ICLARM), Manila, Filipinas.

Christensen, V. 1991. On ECOPATH, Fishbyte and fisheries management. Fishbyte 9(2):62-66.

Christensen, V. and D. Pauly. 1991. A guide to the ECOPATH II program (version 2.0). International Center for Living Aquatic Resources Management, Manila, Philippines.

Christensen, V. and D. Pauly. 1991. The South China Sea: analyzing fisheries catch data in an ecosystem context. Naga, the ICLARM Quarterly 14(4):7-9.

Christensen, V., A. Trinidad-Cruz, J. Paw, J. Torres and D. Pauly. 1991. Appendix 6. Catch and potential of major fisheries resource systems in tropical and subtropical areas. p. 13-43. In: A strategic plan for international fisheries research. Appendixes. International Center for Living Aquatic Resources Management, Manila, Philippines.

Christensen, V. 1990. The ECOPATH II software or how can we gain from working together. Naga, the ICLARM Quarterly, 13(2):9-10.

Christensen, V. and D. Pauly. 1990. A draft guide to the ECOPATH II program (version 1.0). ICLARM Software 6, 22 p. International Center for Living Aquatic Resources Management, Manila, Philippines.

Christensen, V. and D. Pauly. 1990. Global comparisons of aquatic ecosystems. ICES C.M. 1990/L:69. 7 p.

Christensen, V. and D. Pauly. 1990. The ECOPATH II model. ICES C.M. 1990/L:68. 6 p.

Degnbol, P., V. Christensen, J.G. Støttrup, H. Paulsen and K.J. Staehr. 1990. Experimental estimation of food preference in cod - results of a pilot experiment. ICES C.M. 1990/G:63. 7 p.

Pauly, D. and V. Christensen. 1990. Three new approaches for the graphical representation of steady-state trophic ecosystem models. ICES C.M. 1990/L:67. 6 p.

Pauly, D., V. Christensen and V. Sambilay, Jr. 1990. Some features of fish food consumption estimates used by ecosystem modelers. ICES C.M. 1990/G:17. 8 p.

Christensen, V., 1989. HECAST a working group catch statistics spreadsheet package. ICES, ICES CM1989/D:19.

Christensen, V., and Munk, P., 1989. Estimation of larval growth rates from herring larvae surveys. ICES, ICES CM1989/H:45.

Christensen, V., Nielsen, T., and Paulsen, H., 1988. Sampling of herring larvae close to a drifting buoy. ICES, ICES CM1988/H:47.

Richardson, K., Paulsen, H., Munk, P., Kioerboe, T., Christensen, V., and Nyhammer, S., 1986. Herring larvae distribution, plankton production and hydrography in the Buchan area (Scotland) in September-October, 1985. ICES, ICES CM1986/L:32.

Christensen, V., and Lassen, H., 1986. Estimating average length composition from the International Herring Larvae Survey data. ICES, ICES CM 1986/H:67.

Christensen, V., Heath, M., Kiorboe, T., Munk, P., Paulsen, H., and Richardson, K., 1985. Investigations on the relationship of herring larvae, plankton production and hydrography at Aberdeen Bank, Buchan Area, September 1984. ICES C.M. 1985/L:23

Christensen, V., 1985. Estimation of herring larval production,. ICES, ICES CM 1985/H:60.

Beyer, J. E., E.B. Christensen, V. Christensen, T. Kioerboe, P. Munk, H. Paulsen and K. Richardson., 1985. Summary of Danish enclosure experiments. ICES CM. 1985/Mini Symp. 7. 7 p.

Christensen, V., Dahl, E. D., D.S, Hundahl, H., Kiorboe, T., and Kullenberg, G. 1983. A combined fish larval, phytoplankton and oceanographic survey in the Skagerrak and the Kattegat in April 1983. ICES CM 1983/L:26. 8 p.

Christensen, V. 1983. Predation by sand eel on herring larvae. ICES CM. 1983/L:27. 10 p.