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Year to year variability in survivorship for the summer annual Erucastrum gallicum
This figure shows survivorship curves for spring cohorts of the summer annual plant Erucastrum gallicum (Brassicaceae) growing in the Jamesville Quarry, Syracuse, NY. It shows how survivorship varies markedly from year to year, due mainly to variability in rainfall. Survivorship approximated a Deevey Type I function in 1976, a year with abundant rain. Survivorship followed a Type III pattern in...
Publisher: EcoEd Digital Library
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Catching ANOVA through mosquitoes
This activity is designed to show students how to perform an ANOVA using RStudio. To integrate the lesson plan with course content in an undergraduate ecology lecture course, students read an accessible scientific article (Chase & Knight 2003) that explores interaction between abiotic (climate and habitat permanence) and biotic (competition & predation) environmental conditions on the population...
Publisher: EcoEd Digital Library
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To Plant, or Not to Plant? Regulating Invasive Plant Species in the Mid-Atlantic States: A Social-Ecological System Case Study
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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Case Study on Mark and Recapture
Estimating the population size of animals is an important task for wildlife biologists, who can use the data to assess the health of a population. It requires diligent observation skills coupled with the ability to use empirical models that effectively determine the number of animals based on field surveys. The most common method for estimating the population size of animals is mark and recapture....
Publisher: EcoEd Digital Library
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Literature circles as active learning packets for use in the natural sciences: Transforming traditional supplemental instruction into guided study
At Paul Smith's College, we have worked to transform the model of weekly SI (supplemental instruction) into GSG (Guided Study) for General Ecology (Bio 210). We modified literature circle worksheets based off of the work of Harvey Daniels to be used in the natural sciences. We then created a step-by-step instructional framework to implement literature circles in the natural sciences. This...
Publisher: EcoEd Digital Library
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