Changes between Version 1 and Version 2 of EwEugEcopathInputs


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Timestamp:
2010-01-31 17:34:39 (10 years ago)
Author:
varunr
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  • EwEugEcopathInputs

    v1 v2  
    11= 6 Using Ecopath. Part 1: Ecopath inputs = 
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    3 This chapter describes the steps taken to build, parameterize and balance an Ecopath model. The [[Introductory material Ecopath.htm|Introductory material]] (Chapter 2 of the User Guide) gave a scientific overview of the fundamental features of Ecopath and descriptions of the basic equations governing Ecopath, in particular, the system of linear equations that Ecopath solves under the assumption of mass balance. Other major assumptions are also discussed in the Introductory material and consideration is given to the types of data that are appropriate for use with Ecopath. Before proceeding with the instructions below for building an Ecopath model, you are strongly encouraged to read this material and thoroughly familiarise yourself with the relevant scientific literature, particularly the original Ecopath, Ecosim and Ecospace papers (Polovina 1984; Christensen and Pauly 1992; Walters et al. 1997; 1999; Christensen and Walters 2004). 
     3This chapter describes the steps taken to build, parameterize and balance an Ecopath model. The [wiki:EwEugIntroductoryMaterialEcopath Introductory material] (Chapter 2 of the User Guide) gave a scientific overview of the fundamental features of Ecopath and descriptions of the basic equations governing Ecopath, in particular, the system of linear equations that Ecopath solves under the assumption of mass balance. Other major assumptions are also discussed in the Introductory material and consideration is given to the types of data that are appropriate for use with Ecopath. Before proceeding with the instructions below for building an Ecopath model, you are strongly encouraged to read this material and thoroughly familiarise yourself with the relevant scientific literature, particularly the original Ecopath, Ecosim and Ecospace papers (Polovina 1984; Christensen and Pauly 1992; Walters et al. 1997; 1999; Christensen and Walters 2004). 
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    55The first task in building an Ecopath model is to define the model’s functional groups and fishing fleets (see [[Edit groups.htm|Edit groups]], [[Edit multi stanza groups.htm|Edit multi-stanza groups]] and [[Edit fleets.htm|Edit fleets]]). Once the basic structure of the model is in place, you can enter parameters using the forms found under the Input data node in the Navigator window.