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Vaughan, Ian; Larsen, Stefano; Durance, Isabelle; Ormerod, Steve – Journal of Biological Education, 2011
Field experiments are at the core of ecology, yet rarely find their way into education, probably due to a combination of technical challenges and risks associated with fieldwork. This may compromise student education and perception of the subject, making interesting, readily manageable experiments extremely important. We describe how the daily…
Descriptors: Student Interests, Ecology, Biology, Science Experiments
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Wilson, E. R.; Leslie, A. D. – Journal of Biological Education, 2008
In this paper we present a field-based practical exercise that allows students in forestry, ecology and natural resources to develop their understanding of forest stand dynamics. The exercise involves measurement of key tree growth parameters in four even-aged, single-species plantation stands of different age but occupying sites with similar soil…
Descriptors: Class Size, Older Adults, Ecology, Forestry
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Azul, Anabela Marisa; Ramos, Vitor; Pato, Anabela; Azenha, Matilde; Freitas, Helena – Journal of Biological Education, 2008
More than 90% of vascular plants in terrestrial ecosystems form symbiotic root-fungal associations known as mycorrhiza; in Mediterranean biomes all known mycorrhizal types co-exist. However, the understanding of mycorrhizal diversity and structure and their ecophysiological impact in soil productivity and conservation has been shown to be very…
Descriptors: Ecology, Scientific Research, Marine Biology, Laboratory Safety
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Kevan, Peter G.; DiGiovanni, Franco; Ho, Rong H.; Taki, Hisatomo; Ferguson, Kristyn A.; Pawlowski, Agata K. – Journal of Biological Education, 2006
Pollination is a broad area of study within biology. For many plants, pollen carried by wind is required for successful seed set. Airborne pollen also affects human health. To foster studies of airborne pollen, we introduce a simple device--the "megastigma"--for collecting pollen from the air. This device is flexible, yielding easily obtained data…
Descriptors: Biological Sciences, Data Analysis, College Science, Science Education
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Golding, Yvonne; Edmunds, Malcolm – Journal of Biological Education, 2003
A novel method to investigate the pollen diets of hoverflies is described. The method dispenses with the need for dissection skills or the use of hazardous chemicals thus making it particularly useful for school, college or undergraduate projects and for amateurs. It utilises the properties of the indigestible pollen coat, or exine, which enables…
Descriptors: Foreign Countries, Entomology, Ecology, Research Methodology
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Ungar, Eugene David; Seligman, Noam G.; Noy-Meir, Imanuel – Journal of Biological Education, 2004
We describe a simple, yet intellectually challenging model of grazing systems that introduces basic concepts in ecology and systems analysis. The practical is suitable for high-school and university curricula with a quantitative orientation, and requires only basic skills in mathematics and spreadsheet use. The model is based on Noy-Meir's (1975)…
Descriptors: Animals, Systems Analysis, Ecology, Mathematics Skills
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Martinez Vilalta, Jordi; Sauret, Miquel; Duro, Alicia; Pinol, Josep – Journal of Biological Education, 2003
In this paper we present a simple set-up that illustrates the mechanism of sap ascent in plants and demonstrates that it can easily draw water up to heights of a few meters. The set-up consists of a tube with the lower end submerged in water and the upper one connected to a filter supported by a standard filter-holder. The evaporation of water…
Descriptors: Foreign Countries, Botany, College Students, Ecology