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Updated: Jun 20, 2026

Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm
Published on: December 9, 2012
Development and implementation of an evaluation strategy for measuring conservation outcomes.
Kathleen Wagner1, Melissa Chessler, Peter York
1Conservation and Education, Philadelphia Zoo, Philadelphia, Pennsylvania, USA. kfwagner7@msn.com
Zoo visits can boost conservation knowledge and motivation. High-quality exhibits and knowledgeable staff are key to enhancing visitor understanding and encouraging conservation action.
Area of Science:
- Zoo and Conservation Science
- Informal Learning Environments
- Visitor Studies
Background:
- The Philadelphia Zoo's Measuring Mission project aimed to assess conservation impacts of zoo visits.
- A logic model guided the development of survey instruments for data collection.
Purpose of the Study:
- To evaluate the conservation-related impacts of zoo visits on visitors.
- To develop actionable planning strategies for zoos based on visitor data.
Main Methods:
- Surveyed zoo visitors using a pre-post retrospective instrument.
- Analyzed data using factor analysis, correlations, and t-tests.
Main Results:
- Visitors reported the greatest gains in conservation knowledge and motivation.
- Exhibit quality and staff interaction significantly influenced conservation outcomes.
- Satisfying animal viewing experiences were common, but visitor interaction with staff varied.
Conclusions:
- High-quality exhibits and accessible, expert staff can positively influence visitor conservation knowledge and motivation.
- The Measuring Mission project established a process for assessing zoo mission impact.
- Nine strategies were identified to enhance zoo conservation mission success.
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