Changes between Version 2 and Version 3 of EwEugGettingStartedEcospace


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Timestamp:
2010-11-23 09:24:28 (9 years ago)
Author:
shermanl
Comment:

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  • EwEugGettingStartedEcospace

    v2 v3  
    22Ecospace (Walters et al. 1999) is a dynamic, spatial version of Ecopath, incorporating all the key elements of Ecosim. Ecospace dynamically allocates biomass across a grid map (sketched with a mouse by the user, and typically defined by 20 x 20 cells), while accounting for: 
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    4 1. Symmetrical movements from a cell to its four adjacent cells, of rate ''m'', modified by whether a cell is defined as ‘preferred habitat’ or not (running means over adjacent sets of five cells allows for smooth transitions between habitat types, which are also user-defined); 
     41. Symmetrical movements from a cell to its four adjacent cells, of rate ''m'', modified by whether a cell is defined as 'preferred habitat' or not (running means over adjacent sets of five cells allows for smooth transitions between habitat types, which are also user-defined); 
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    662. User-defined increased predation risk and reduced feeding rate in non-preferred habitat; 
     
    883. A level of fishing effort that is proportional, in each cell, to the overall profitability of fishing in that cell, and whose distribution can also be made sensitive to costs (e.g., of sailing to certain areas). 
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    10 When working in Ecospace you work within a ‘scenario’. A given Ecopath model can have any number of Ecospace scenarios attached. Ecospace scenarios inherit their basic parameters (such as number of groups, group names, diets and other parameters) from the parent Ecopath model. If you change a group name or delete a group in Ecopath the changes will be carried over to existing (and new) Ecospace scenarios. 
     10When working in Ecospace you work within a 'scenario'. A given Ecopath model can have any number of Ecospace scenarios attached. Ecospace scenarios inherit their basic parameters (such as number of groups, group names, diets and other parameters) from the parent Ecopath model. If you change a group name or delete a group in Ecopath the changes will be carried over to existing (and new) Ecospace scenarios. 
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    1212[[Image(wiki:EwEugImages:NewDocumentHS.png)]] '''New scenario'''