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Audience is Undergraduate lower division 13-14
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View Resource Effects of frost on wildflowers: an unexpected consequence of climate change--image 15 of 22

Photo of an early-stage inflorescence of tall larkspur (Delphinium barbeyi) after a mid-June snowstorm at the Rocky Mountain Biological Laboratory. The buds were killed by the cold temperature. Like ...

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http://www.amjbot.org/content/96/10/1821.full.pdf+html
View Resource Effects of frost on wildflowers: an unexpected consequence of climate change--image 12 of 22

Excavated plants of Helianthella quinquenervis (aspen sunflower, Asteraceae). H. quinquenervis is a long-lived perennial (some individuals can live 50-75 years). Note that each plant has multiple...

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View Resource Effects of frost on wildflowers: an unexpected consequence of climate change--image 18 of 22

A queen bumble bee (Bombus bifarius) foraging for nectar on a flower of Erythronium grandiflorum (glacier lily). This flower has frost-sensitive ovaries. Bumble bee queens and hummingbirds are...

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View Resource Effects of frost on wildflowers: an unexpected consequence of climate change--image 19 of 22

Example of a frost-killed ovary (on left) and a normally developing fruit (on right) of Erythonium grandiflorum, the glacier lily. The two plants were selected to show the difference, and weren't...

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View Resource NCEP Exercise - Scale and Magnitude of Deforestation: Determining Rate and Extent of Change Using Remote Sensing and a GIS

In this exercise, students will assess occurrences of regional deforestation in the Amazon. Students will develop a change-detection model of deforestation in the headwaters of the Amazon by...

http://ncep.amnh.org
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