The Gecko family of individual-based simulators were my main research thrust at Yale. I've presented Gecko at a number of scientific conferences, mostly to those interested in individual based modeling, but some interested in the ecosystem dynamics. I authored and co-authored a number of papers. I've taken a very different approach than most to 'spatial' modeling - Gecko entities have extent and volume and mass, not just grid position.

Woods is the one usually used for teaching, at Yale and beyond.

Woods

Woods simulates northeastern U.S. forest growth with 3 tree species. Features disruptions (hurricanes, deer grazing, fires, etc.), landscape fragmentation, and mixed site quality. Based loosely on Sortie. Woods is primarily a teaching simulator, used at several universities. At Yale, it's used to teach Landscape Ecology.

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GrassWorld

GrassWorld models a 3-level grassland food chain: plant, grasshopper, and grasshopper-hunting spiders. Optional competing plant species. Research simulator.

A GrassWorld Lab for advanced high school ecology students, written by Amy L. Sheck, Instructor of Biology, NCSSM, North Carolina. This activity has been student-tested and enjoyed. Thank you for sharing, Amy!

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