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Ecopath: A Dynamic Modeling Tool for Ecosystem Analysis

Ecopath is a scientifically recognized ecosystem modeling tool that describes an ecosystem at a snapshot in time, with the ability to incorporate dynamic spatial dynamics. It allows for scenario comparison and analysis of variables such as fishing effort, marine protected areas, biodiversity, and economic factors. This tool is beneficial for scientists and experts, as well as a general audience interested in ecosystem analysis.

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Ecopath: A Dynamic Modeling Tool for Ecosystem Analysis

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  1. By Sherman Lai CPCS 533 Info. Viz.

  2. Introduction (Ecopath) • Ecopath with Ecosim • Ecosystem modeling tool; • Describes an ecosystem • Snapshot • Time dynamic • Spacial dynamics • Scientifically recognized;

  3. Introduction

  4. Dataset • Initial: • Individual Scenario • Set variables • Fishing effort (4) • Marine protected areas (4) • Output variables • Value, Cost, Profit per fishery (4) • Biodiversity (4) • Scenario comparison • Value, Cost, Profit • Biodiversity • Now: • Catch (4) • Biomass(4) • Cost(3) • Effort(3)

  5. Background • Equation calculator (ESRI) • Small multiples (Tufte) • Lens • Layers • Saturation

  6. Usage • By scientist • A lot expert audience; • Benefits general audience. • GOALS: Comparison • between different simulations; • between time; • between variables.

  7. Demo

  8. Components/Libraries • Toolbox • Users can visualize type of data; • Visually flat; • Spacing/Alignment/grouping. • Tool units • Layered information for small area; • Icons representation. • Equation • Visualize and Mechanize creation; • Argued to help memory; • Instant feed back of data; • Use of 3D where needed.

  9. Components/Libraries • Small Multiples (Maps) • Good overview. • Small Multiples (Graphs) • FREEBEE! By ZedGraph • Scalable to larger data • Future ability to zoom in. • Lensing • For each data set; • For sum equation.

  10. Strengths/Weakness • Weakness: • Lacks full functionality; • Slow; • Bad Legend scale; • Equation model can be strengthen

  11. What I learned • Concepts are just ½ the battle • Nitty gritty • Viztools are great, but are to specialized • Overall: • POTENTIAL

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