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Direct linkCrimmins, Theresa M.; Weltzin, Jake F.; Rosemartin, Alyssa H.; Surina, Echo M.; Marsh, Lee; Denny, Ellen G. – Natural Sciences Education, 2014
Science projects, which engage non-professional scientists in one or more stages of scientific research, have been gaining popularity; yet maintaining participants' activity level over time remains a challenge. The objective of this study was to evaluate the potential for a short-term, focused campaign to increase participant activity in a…
Descriptors: Science Programs, Scientific Research, Citizen Participation, Volunteers
Thun, Tim Von – Natural Sciences Education, 2013
Arbuscular mycorrhizae fungi (AMF) play a large role in the current understanding of the soil ecosystem. They increase nutrient and water uptake, improve soil structure, and form complex hyphal networks that transfer nutrients between plants within an ecosystem. Factors such as species present, the physiological balance between the plants in the…
Descriptors: Biological Sciences, Role, Soil Science, Agronomy
Jordan, Rebecca C.; Gray, Steven A.; Brooks, Wesley R.; Honwad, Sameer; Hmelo-Silver, Cindy E. – Natural Sciences Education, 2013
Understanding complex systems such as ecosystems is difficult for young K-12 students, and students' representations of ecosystems are often limited to nebulously defined relationships between macro-level structural components inherent to the ecosystem in focus (rainforest, desert, pond, etc.) instead of generalizing processes across ecosystems…
Descriptors: Ecology, Intermode Differences, Teaching Methods, Instructional Effectiveness
