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m Updated to include EwE 6.6 Beta, updated OS info, changed Ecospace description to highlight new capabilities. Removed EwE30 link, added Ecobase. Added note about user involvement
m Updated some references to rich format with DOI. Added ref to important Walters & Christensen Ecotracer paper
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* explore [[Fisheries management|management policy options]]<ref>Christensen, V. and Walters, C.J., 2004. Trade-offs in ecosystem-scale optimization of [[fisheries management]] policies. Bull Mar Sci, 74:549-562</ref>
* explore [[Fisheries management|management policy options]]<ref>Christensen, V. and Walters, C.J., 2004. Trade-offs in ecosystem-scale optimization of [[fisheries management]] policies. Bull Mar Sci, 74:549-562</ref>
* analyze impact and placement of [[marine protected area]]s<ref>Walters, C.J. and Martell, S.J.D., 2004. Fisheries Ecology and Management. [[Princeton University Press]], Princeton, 399 p.</ref>
* analyze impact and placement of [[marine protected area]]s<ref>Walters, C.J. and Martell, S.J.D., 2004. Fisheries Ecology and Management. [[Princeton University Press]], Princeton, 399 p.</ref>
* predict movement and accumulation of [[Marine pollution|contaminants]] and tracers (Ecotracer)<ref>Christensen, V. and Booth, S., 2006. Ecosystem modeling of dioxin distribution patterns in the marine environment. Chapter 6. In: J. Alder and D. Pauly (Editor), On the multiple uses of small [[pelagic fish]]es: from ecosystems to markets. UBC Fisheries Centre [[Research report|Research Reports]] 14(3). Fisheries Centre, University of British Columbia [ISSN 1198-6727], Vancouver</ref>
* predict movement and accumulation of [[Marine pollution|contaminants]] and tracers (Ecotracer)<ref>Christensen, V. and Booth, S., 2006. Ecosystem modeling of dioxin distribution patterns in the marine environment. Chapter 6. In: J. Alder and D. Pauly (Editor), On the multiple uses of small [[pelagic fish]]es: from ecosystems to markets. UBC Fisheries Centre [[Research report|Research Reports]] 14(3). Fisheries Centre, University of British Columbia [ISSN 1198-6727], Vancouver</ref><ref name="WaltersChristensen2018">{{cite journal|last1=Walters|first1=William J.|last2=Christensen|first2=Villy|title=Ecotracer: analyzing concentration of contaminants and radioisotopes in an aquatic spatial-dynamic food web model|journal=Journal of Environmental Radioactivity|volume=181|year=2018|pages=118–127|issn=0265931X|doi=10.1016/j.jenvrad.2017.11.008}}</ref>
* model effect of environmental changes,<ref>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.</ref><ref>Christensen, V., Coll, M., Steenbeek, J., Buszowski, J., Chagaris, D., and Walters, C.J., 2014. Representing Variable Habitat Quality in a Spatial Food Web Model. Ecosystems 17, 1397–1412.</ref>
* model effect of environmental changes,<ref name="GuénetteHeymans2006">{{cite journal|last1=Guénette|first1=Sylvie|last2=Heymans|first2=Sheila JJ|last3=Christensen|first3=Villy|last4=Trites|first4=Andrew W|title=Ecosystem models show combined effects of fishing, predation, competition, and ocean productivity on Steller sea lions (Eumetopias jubatus) in Alaska|journal=Canadian Journal of Fisheries and Aquatic Sciences|volume=63|issue=11|year=2006|pages=2495–2517|issn=0706-652X|doi=10.1139/f06-136}}</ref><ref name="ChristensenColl2014">{{cite journal|last1=Christensen|first1=Villy|last2=Coll|first2=Marta|last3=Steenbeek|first3=Jeroen|last4=Buszowski|first4=Joe|last5=Chagaris|first5=Dave|last6=Walters|first6=Carl J.|title=Representing Variable Habitat Quality in a Spatial Food Web Model|journal=Ecosystems|volume=17|issue=8|year=2014|pages=1397–1412|issn=1432-9840|doi=10.1007/s10021-014-9803-3}}</ref>
* facilitate end-to-end ecosystem model construction<ref>Steenbeek, J., Coll, M., Gurney, L., Mélin, F., Hoepffner, N., Buszowski, J., and Christensen, V., 2013. Bridging the gap between ecosystem modelling tools using geographic information systems: driving a food-web model with spatial-temporal primary production data. Ecological Modelling 263, 139–151.</ref>
* facilitate end-to-end ecosystem model construction<ref name="SteenbeekColl2013">{{cite journal|last1=Steenbeek|first1=Jeroen|last2=Coll|first2=Marta|last3=Gurney|first3=Leigh|last4=Mélin|first4=Frédéric|last5=Hoepffner|first5=Nicolas|last6=Buszowski|first6=Joe|last7=Christensen|first7=Villy|title=Bridging the gap between ecosystem modeling tools and geographic information systems: Driving a food web model with external spatial–temporal data|journal=Ecological Modelling|volume=263|year=2013|pages=139–151|issn=03043800|doi=10.1016/j.ecolmodel.2013.04.027}}</ref>


The desktop version of Ecopath with Ecosim runs only on [[Windows]] and requires [[Microsoft Access|Microsoft Access database drivers]] version 2007 or newer. The computational core of Ecopath with Ecosim can be executed on other operating systems such as [[Unix]] or [[Linux]] using [[Mono (software)|the Mono common language runtime]].<ref>{{cite journal|last1=Steenbeek|first1=Jeroen|last2=Buszowski|first2=Joe|last3=Christensen|first3=Villy|last4=Akoglu|first4=Ekin|last5=Aydin|first5=Kerim|last6=Ellis|first6=Nick|last7=Felinto|first7=Dalai|last8=Guitton|first8=Jerome|last9=Lucey|first9=Sean|last10=Kearney|first10=Kelly|last11=Mackinson|first11=Steven|last12=Pan|first12=Mike|last13=Platts|first13=Mark|last14=Walters|first14=Carl|title=Ecopath with Ecosim as a model-building toolbox: Source code capabilities, extensions, and variations|journal=Ecological Modelling|date=January 2016|volume=319|pages=178–189|doi=10.1016/j.ecolmodel.2015.06.031}}</ref>
The desktop version of Ecopath with Ecosim runs only on [[Windows]] and requires [[Microsoft Access|Microsoft Access database drivers]] version 2007 or newer. The computational core of Ecopath with Ecosim can be executed on other operating systems such as [[Unix]] or [[Linux]] using [[Mono (software)|the Mono common language runtime]].<ref>{{cite journal|last1=Steenbeek|first1=Jeroen|last2=Buszowski|first2=Joe|last3=Christensen|first3=Villy|last4=Akoglu|first4=Ekin|last5=Aydin|first5=Kerim|last6=Ellis|first6=Nick|last7=Felinto|first7=Dalai|last8=Guitton|first8=Jerome|last9=Lucey|first9=Sean|last10=Kearney|first10=Kelly|last11=Mackinson|first11=Steven|last12=Pan|first12=Mike|last13=Platts|first13=Mark|last14=Walters|first14=Carl|title=Ecopath with Ecosim as a model-building toolbox: Source code capabilities, extensions, and variations|journal=Ecological Modelling|date=January 2016|volume=319|pages=178–189|doi=10.1016/j.ecolmodel.2015.06.031}}</ref>

Revision as of 22:48, 23 February 2019

Ecopath with Ecosim
Developer(s)Ecopath Research and Development Consortium
Initial release1992
Stable release
6.5 / 7 July 2016
Preview release
6.6 Beta / 21 November 2018
Repositoryhttp://sources.ecopath.org/trac/Ecopath
Written inVisual Basic.NET, C#
Operating systemWindows XP, Vista, 7, 8*, 10 (EwE desktop version), Unix and Linux (EwE core via Mono)
Platform.NET Framework 4
Available inEnglish
TypeEcosystem modeling
LicenseGPL v2
Websitehttp://www.ecopath.org

Ecopath with Ecosim (EwE) is a free and open source ecosystem modelling software suite, initially started at NOAA by Jeffrey Polovina, but has since primarily been developed at the formerly UBC Fisheries Centre of the University of British Columbia. In 2007, it was named as one of the ten biggest scientific breakthroughs in NOAA's 200-year history. The NOAA citation states that Ecopath "revolutionized scientists' ability worldwide to understand complex marine ecosystems".[1] Behind this lie more than two decades of development work in association with Villy Christensen, Carl Walters, Daniel Pauly, and other fisheries scientists,[2] followed with the provision of user support, training and co-development collaborations. In 2013, development efforts were centralized under Ecopath International Initiative, Spain. Per January 2019 there are an estimated 8000+ users in 150+ countries.

Components

EwE has three main components:

  • Ecopath – a static, mass-balanced snapshot of the system[3]
  • Ecosim – a time dynamic simulation module for policy exploration[4]
  • Ecospace – a spatial and temporal dynamic module designed for exploring the combined impacts of fishing, the placement of protected areas[5], and changing environmental conditions.

Capabilities

The Ecopath software package can be used to:

The desktop version of Ecopath with Ecosim runs only on Windows and requires Microsoft Access database drivers version 2007 or newer. The computational core of Ecopath with Ecosim can be executed on other operating systems such as Unix or Linux using the Mono common language runtime.[15]

Development Ecopath version 6.0[16] received support from the Lenfest Ocean Program and the Pew Charitable trusts. In 2011 the Ecopath Research and Development Consortium was founded to share the responsibility of maintaining and further developing the approach with institutions around the world. EwE exclusively relyies on user involvement for continued software development and releases of new versions.

References

  1. ^ NOAA, 2007. ECOPATH Modeling: Precursor to an Ecosystem Approach to Fisheries Management [WWW Document]. URL http://celebrating200years.noaa.gov/breakthroughs/ecopath/welcome.html (accessed 8.26.12).
  2. ^ Smikle, S.G., V. Christensen and K.A. Aiken (2010). "A review of caribbean ecosystems and fishery resources using ECOPATH models". Revue Etudes Caribéennes, n°15, https://etudescaribeennes.revues.org/4529
  3. ^ Christensen, V. and Pauly, D., 1992. Ecopath II - a software for balancing steady-state ecosystem models and calculating network characteristics. Ecological Modelling, 61:169-185.
  4. ^ Walters, C., Christensen, V. and Pauly, D., 1997. Structuring dynamic models of exploited ecosystems from trophic mass-balance assessments. Rev Fish Biol Fish, 7:139-172
  5. ^ Walters, C., Pauly, D. and Christensen, V., 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.
  6. ^ Christensen, V. and Pauly, D. (Editors), 1993. Trophic Models of Aquatic Ecosystems. ICLARM Conference Proceedings 26, Manila, 390 p.
  7. ^ 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 J Mar Sci, 62:558-568.
  8. ^ Christensen, V. and Walters, C.J., 2004. Trade-offs in ecosystem-scale optimization of fisheries management policies. Bull Mar Sci, 74:549-562
  9. ^ Walters, C.J. and Martell, S.J.D., 2004. Fisheries Ecology and Management. Princeton University Press, Princeton, 399 p.
  10. ^ Christensen, V. and Booth, S., 2006. Ecosystem modeling of dioxin distribution patterns in the marine environment. Chapter 6. In: J. Alder and D. Pauly (Editor), On the multiple uses of small pelagic fishes: from ecosystems to markets. UBC Fisheries Centre Research Reports 14(3). Fisheries Centre, University of British Columbia [ISSN 1198-6727], Vancouver
  11. ^ Walters, William J.; Christensen, Villy (2018). "Ecotracer: analyzing concentration of contaminants and radioisotopes in an aquatic spatial-dynamic food web model". Journal of Environmental Radioactivity. 181: 118–127. doi:10.1016/j.jenvrad.2017.11.008. ISSN 0265-931X.
  12. ^ Guénette, Sylvie; Heymans, Sheila JJ; Christensen, Villy; Trites, Andrew W (2006). "Ecosystem models show combined effects of fishing, predation, competition, and ocean productivity on Steller sea lions (Eumetopias jubatus) in Alaska". Canadian Journal of Fisheries and Aquatic Sciences. 63 (11): 2495–2517. doi:10.1139/f06-136. ISSN 0706-652X.
  13. ^ Christensen, Villy; Coll, Marta; Steenbeek, Jeroen; Buszowski, Joe; Chagaris, Dave; Walters, Carl J. (2014). "Representing Variable Habitat Quality in a Spatial Food Web Model". Ecosystems. 17 (8): 1397–1412. doi:10.1007/s10021-014-9803-3. ISSN 1432-9840.
  14. ^ Steenbeek, Jeroen; Coll, Marta; Gurney, Leigh; Mélin, Frédéric; Hoepffner, Nicolas; Buszowski, Joe; Christensen, Villy (2013). "Bridging the gap between ecosystem modeling tools and geographic information systems: Driving a food web model with external spatial–temporal data". Ecological Modelling. 263: 139–151. doi:10.1016/j.ecolmodel.2013.04.027. ISSN 0304-3800.
  15. ^ 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 (January 2016). "Ecopath with Ecosim as a model-building toolbox: Source code capabilities, extensions, and variations". Ecological Modelling. 319: 178–189. doi:10.1016/j.ecolmodel.2015.06.031.
  16. ^ Christensen, V. and Lai, S., 2007. Ecopath with Ecosim 6: the sequel. The Sea Around Us Project Newsletter, 43:1-4 (September–October).

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