A collection of slides about the effects of frost on Colorado wildflowers at the Rocky Mountain Biological Laboratory (RMBL). RMBL is a high-altitude field research station at 9,500 feet in the Colorado Rocky Mountains. RMBL has supported field work since it was founded in 1928, and is the location of the research described in this slide show.

Publisher: EcoEd Digital Library

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The Evolution of Sustainable Use is a flash-based game that allows multiple players to simultaneously exploit a model fishery. The game presents a fishery as a metaphor for any communally-exploited resource. This imaginary fishery is scaled down so that the actions of 2-8 players influence the sustainability of the system. In the game “boats” represent the unit of fishing effort, and ea...

Publisher: EcoEd Digital Library

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Laboratory exercise to teach undergraduates about factors determining territory size. It begins with dissecting owl pellets and leads students through a series of calculations. A key theme is the ability to make and defend valid estimations.

Publisher: EcoEd Digital Library

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Ecology and conservation biology contain numerous examples of populations growing without bounds or shrinking towards extinction. For these populations, the change in the number of individuals generally follows an exponential curve. On the other hand, limited resources may keep population numbers in check and help maintain the population at the environment's carrying capacity. These...

Publisher: EcoEd Digital Library

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As invasive plant species spread across landscapes, costs of their economic and environmental impacts have sparked interest in regulating their sale and transport. Laws now prohibit the sale and movement of some species. State and local governments are drafting regulations that will affect horticulture, plant nurseries, and options for landscape design. Awareness of invasive plant species is...

Publisher: EcoEd Digital Library

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