Search Results - "Christensen, Villy"

MEY = MSY by Christensen, Villy

“…It has been generally accepted for more than half a century that the fishing sector stood to gain from managing fisheries at the effort level producing maximum…”
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Best practice in Ecopath with Ecosim food-web models for ecosystem-based management by Heymans, Johanna Jacomina, Coll, Marta, Link, Jason S., Mackinson, Steven, Steenbeek, Jeroen, Walters, Carl, Christensen, Villy

“…•Ecopath with Ecosim models are easy to construct and have been for the past 30 years.•We highlight thermodynamic and ecological diagnostics for best practice…”
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Global patterns in ecological indicators of marine food webs: a modelling approach by Heymans, Johanna Jacomina, Coll, Marta, Libralato, Simone, Morissette, Lyne, Christensen, Villy

“…Ecological attributes estimated from food web models have the potential to be indicators of good environmental status given their capabilities to describe…”
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Effect of non-additivity in mortality rates on predictions of potential yield of forage fishes by Walters, Carl, Christensen, Villy

“…•Stress may make prey more vulnerable to predation.•Mortality rates may not be independent (or additive) component rates.•If so, predator reduction may not…”
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Next-generation ensemble projections reveal higher climate risks for marine ecosystems by Tittensor, Derek P., Novaglio, Camilla, Harrison, Cheryl S., Heneghan, Ryan F., Barrier, Nicolas, Bianchi, Daniele, Bopp, Laurent, Bryndum-Buchholz, Andrea, Britten, Gregory L., Büchner, Matthias, Cheung, William W. L., Christensen, Villy, Coll, Marta, Dunne, John P., Eddy, Tyler D., Everett, Jason D., Fernandes-Salvador, Jose A., Fulton, Elizabeth A., Galbraith, Eric D., Gascuel, Didier, Guiet, Jerome, John, Jasmin G., Link, Jason S., Lotze, Heike K., Maury, Olivier, Ortega-Cisneros, Kelly, Palacios-Abrantes, Juliano, Petrik, Colleen M., du Pontavice, Hubert, Rault, Jonathan, Richardson, Anthony J., Shannon, Lynne, Shin, Yunne-Jai, Steenbeek, Jeroen, Stock, Charles A., Blanchard, Julia L.

“…Projections of climate change impacts on marine ecosystems have revealed long-term declines in global marine animal biomass and unevenly distributed impacts on…”
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Requirements and availability of prey for northeastern pacific southern resident killer whales by Couture, Fanny, Oldford, Greig, Christensen, Villy, Barrett-Lennard, Lance, Walters, Carl

“…The salmon-eating Southern Resident killer whale (SRKW) ( Orcinus orca ) population currently comprises only 73 individuals, and is listed as ‘endangered’…”
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Marine mammal impacts in exploited ecosystems: would large scale culling benefit fisheries? by Morissette, Lyne, Christensen, Villy, Pauly, Daniel

“…Competition between marine mammals and fisheries for marine resources-whether real or perceived-has become a major issue for several countries and in…”
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Ecotracer: analyzing concentration of contaminants and radioisotopes in an aquatic spatial-dynamic food web model by Walters, William J., Christensen, Villy

“…Ecotracer is a tool in the Ecopath with Ecosim (EwE) software package used to simulate and analyze the transport of contaminants such as methylmercury or…”
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Modelling the Mediterranean Sea ecosystem at high spatial resolution to inform the ecosystem-based management in the region by Piroddi, Chiara, Coll, Marta, Macias, Diego, Steenbeek, Jeroen, Garcia-Gorriz, Elisa, Mannini, Alessandro, Vilas, Daniel, Christensen, Villy

“…Cumulative pressures are rapidly expanding in the Mediterranean Sea with consequences for marine biodiversity and marine resources, and the services they…”
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Exploring effects of hypoxia on fish and fisheries in the northern Gulf of Mexico using a dynamic spatially explicit ecosystem model by de Mutsert, Kim, Steenbeek, Jeroen, Lewis, Kristy, Buszowski, Joe, Cowan, James H., Christensen, Villy

“…•Ecosystem model simulates effects of hypoxia on fish and fisheries.•New spatial–temporal environmental forcing functions in Ecospace.•Nutrients increase…”
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An ocean of surprises – Trends in human use, unexpected dynamics and governance challenges in areas beyond national jurisdiction by Merrie, Andrew, Dunn, Daniel C., Metian, Marc, Boustany, Andre M., Takei, Yoshinobu, Elferink, Alex Oude, Ota, Yoshitaka, Christensen, Villy, Halpin, Patrick N., Österblom, Henrik

“…•Established and emerging human uses of areas beyond national jurisdiction are expanding.•Increasing interacting uses of areas beyond national jurisdiction…”
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Archaeology demonstrates sustainable ancestral Coast Salish salmon stewardship over thousands of years by Efford, Meaghan, Taft, Spencer, Morin, Jesse, George, Micheal, George, Michelle, Cavers, Hannah, Hilsden, Jay, Paskulin, Lindsey, Loewen, Doris, Zhu, Jennifer, Christensen, Villy, Speller, Camilla

“…Salmon are an essential component of the ecosystem in Tsleil-Waututh Nation’s traditional, ancestral, and contemporary unceded territory, centred on…”
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More than Anecdotes: Fishers' Ecological Knowledge Can Fill Gaps for Ecosystem Modeling by Bevilacqua, Ana Helena V, Carvalho, Adriana R, Angelini, Ronaldo, Christensen, Villy

“…Ecosystem modeling applied to fisheries remains hampered by a lack of local information. Fishers' knowledge could fill this gap, improving participation in and…”
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Ecopath with Ecosim as a model-building toolbox: Source code capabilities, extensions, and variations by Steenbeek, Jeroen, Buszowski, Joe, Christensen, Villy, Akoglu, Ekin, Aydin, Kerim, Ellis, Nick, Felinto, Dalai, Guitton, Jerome, Lucey, Sean, Kearney, Kelly, Mackinson, Steven, Pan, Mike, Platts, Mark, Walters, Carl

“…Ecopath with Ecosim (EwE) is a widely applied food web model that is mostly known as desktop software for the Microsoft Windows platform. The freely available…”
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The global ocean is an ecosystem: simulating marine life and fisheries by Christensen, Villy, Coll, Marta, Buszowski, Joe, Cheung, William W. L., Frölicher, Thomas, Steenbeek, Jeroen, Stock, Charles A., Watson, Reg A., Walters, Carl J.

“…Aim: There has been considerable effort allocated to understanding the impact of climate change on our physical environment, but comparatively little to how…”
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The Ocean Decade: A True Ecosystem Modeling Challenge by Heymans, Johanna J., Bundy, Alida, Christensen, Villy, Coll, Marta, de Mutsert, Kim, Fulton, Elizabeth A., Piroddi, Chiara, Shin, Yunne-Jai, Steenbeek, Jeroen, Travers-Trolet, Morgane

“…The Ocean Decade aims to achieve six societal outcomes: (1) A clean ocean, through identifying and removing sources of pollution; (2) A healthy and resilient…”
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Spatial Distribution and Abundance of Mesopelagic Fish Biomass in the Mediterranean Sea by Clavel-Henry, Morane, Piroddi, Chiara, Quattrocchi, Federico, Macias, Diego, Christensen, Villy

“…Mesopelagic fish, being in the middle of the trophic web, are important key species for the marine environment; yet limited knowledge exists about their…”
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Using Gaming Technology to Explore and Visualize Management Impacts on Marine Ecosystems by Steenbeek, Jeroen, Felinto, Dalai, Pan, Mike, Buszowski, Joe, Christensen, Villy

“…We have developed an approach that connects a complex and widely used scientific ecosystem modeling approach with a game engine for real-time communication and…”
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Advancing Global Ecological Modeling Capabilities to Simulate Future Trajectories of Change in Marine Ecosystems by Coll, Marta, Steenbeek, Jeroen, Pennino, Maria Grazia, Buszowski, Joe, Kaschner, Kristin, Lotze, Heike K., Rousseau, Yannick, Tittensor, Derek P., Walters, Carl, Watson, Reg A., Christensen, Villy

“…Considerable effort is being deployed to predict the impacts of climate change and anthropogenic activities on the ocean’s biophysical environment,…”
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Spatial optimization of protected area placement incorporating ecological, social and economical criteria by Christensen, Villy, Ferdaña, Zach, Steenbeek, Jeroen

“…We describe two approaches for spatial optimization of protected area placement, both based on maximizing an objective function that incorporates ecological,…”
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