Model:Ecopath with Ecosim

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Ecopath with Ecosim

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Summary Contact Technical specs In/Output Process Testing Other Component info Also known as EwE Model type Single Model part of larger framework Note on status model Date note status model Incorporated models or components: Spatial dimensions 2D Spatial extent Regional-Scale Model domain Marine, Ecosystems One-line model description Ecopath with Ecosim (EwE) is an ecological modeling software suite for personal computers Extended model description Ecopath with Ecosim (EwE) is an ecological modeling software suite for personal computers. EwE has three main components: Ecopath – a static, mass-balanced snapshot of the system; Ecosim – a time dynamic simulation module for policy exploration; and Ecospace – a spatial and temporal dynamic module primarily designed for exploring impact and placement of protected areas. The Ecopath software package can be used to: Address ecological questions; Evaluate ecosystem effects of fishing; Explore management policy options; Evaluate impact and placement of marine protected areas; Evaluate effect of environmental changes. Keywords: Name Villy Christensen Type of contact Model developer Institute / Organization UBC Fisheries Centre Postal address 1 Postal address 2 Town / City Vancouver, B.C. Postal code V6T 1Z4 State Country Canada Email address v.christensen@fisheries.ubc.ca Phone Fax Name Carl Walters Type of contact Model developer Institute / Organization UBC Fisheries Centre Postal address 1 Postal address 2 Town / City Vancouver, B.C. Postal code V6T 1Z4 State Country Canada Email address c.walters@fisheries.ubc.ca Phone Fax Name Daniel Pauly Type of contact Model developer Institute / Organization UBC Fisheries Centre Postal address 1 Postal address 2 Town / City Vancouver, B.C. Postal code V6T 1Z4 State Country Canada Email address d.pauly@fisheries.ubc.ca Phone Fax Supported platforms Windows Other platform Programming language Other program language Visual Basic.NET and C# Code optimized Single Processor Multiple processors implemented Nr of distributed processors Nr of shared processors Start year development 1992 Does model development still take place? Yes If above answer is no, provide end year model development Code development status When did you indicate the 'code development status'? Model availability As code Source code availability (Or provide future intension) Through web repository Source web address http://www.ecopath.org/ Source csdms web address Program license type GPL v2 Program license type other Memory requirements -- Typical run time -- Describe input parameters Basic input requires: Habitat area, Biomass in habitat area, Production/biomass, Consumption/biomass, Ecotrophic efficiency, Production/consumption, Unassimilated consuption, detritus import Input format ASCII Other input format through GUI Describe output parameters Key indices, Mortalities, Consumption, Respiration, Niche overlap, Electivity, Search rates and Fishery forms. Output format ASCII Other output format .csv Pre-processing software needed? No Describe pre-processing software Post-processing software needed? No Describe post-processing software Visualization software needed? No If above answer is yes Other visualization software Describe processes represented by the model Describe key physical parameters and equations Describe length scale and resolution constraints Describe time scale and resolution constraints Describe any numerical limitations and issues Describe available calibration data sets Upload calibration data sets if available: Describe available test data sets Upload test data sets if available: Describe ideal data for testing Do you have current or future plans for collaborating with other researchers? Is there a manual available? Yes Upload manual if available: Media:Ewe User Guide 6.pdf Model website if any http://www.ecopath.org/ Model forum / discussion board http://www.ecopath.org/ Comments This part will be filled out by CSDMS staff OpenMI compliant No but possible BMI compliant No but possible WMT component No but possible PyMT component Is this a data component Can be coupled with:

Model info Authors Villy Christensen Walters, Pauly Source code Go to external source code site Model citations Nr. of publications: 525 Total citations: 20232 h-index: 68 m-quotient: 2.34 QR-code Link to this page Other models by author Ecopath with Ecosim

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Nr. of publications:	525
Total citations:	20232
h-index:	68
m-quotient:	2.34

Featured publication(s)	Year	Model described	Type of Reference	Citations
Christensen, Villy; Walters, Carl J; 2004. Ecopath with Ecosim: methods, capabilities and limitations. Ecological Modelling, 172, 109–139. 10.1016/j.ecolmodel.2003.09.003 (View/edit entry)	2004	Ecopath with Ecosim	Model overview	1778
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