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Issues in Ecology, Issue 15: Press Release
This January 2012 press release introduces and describes the significance of issue #15 of ESA's Issues in Ecology series, "Excess Nitrogen in the U.S. Environment: Trends, Risks, and Solutions."
Publisher: EcoEd Digital Library
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Issues in Ecology, Issue 14: Press Release
This November 2011 press release can be used as an accessible reading assignment to accompany and introduce a discussion of the ecological concepts included in issue #14 of ESA's Issues in Ecology series, "Using air pollution thresholds to protect and restore ecosystem health."
Publisher: EcoEd Digital Library
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Pathways to Scientific Teaching, Chapter 1 of 7: The first day of class--the most important
How motivated, empowered, and confident are students when they walk into a science course with 250 (or more) other students? Often students’ expectations are limited to taking notes on lectures, reading assigned text chapters, and struggling through exams in a subject that is often perceived by them as more challenging than many of their other courses. Students readily assume the role o...
Publisher: EcoEd Digital Library
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Issues in Ecology, Issue 15: Excess Nitrogen in the U.S. Environment: Trends, Risks, and Solutions
It is not surprising that humans have profoundly altered the global nitrogen (N) cycle in an effort to feed 7 billion people, because nitrogen is an essential plant and animal nutrient. Food and energy production from agriculture, combined with industrial and energy sources, have more than doubled the amount of reactive nitrogen circulating annually on land. Humanity has disrupted the nitrogen...
Publisher: EcoEd Digital Library
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Effects of frost on wildflowers: an unexpected consequence of climate change--image 03 of 22
Date of winter snowpack melt during the past 36 years at Rocky Mountain Biological Laboratory. A trend toward earlier snowmelt was noted during the study period, though the correlation was not statistically significant due to large year-to-year variability.
Publisher: EcoEd Digital Library
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