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Core Concepts is Ecological Core Concepts -- Human impacts -- Climate change

Results 11 - 20 of 54

		Effects of frost on wildflowers: an unexpected consequence of climate change--image 01 of 22 A view of the Rocky Mountain Biological Laboratory, a high-altitude field research station at 9,500 feet in the Colorado Rocky Mountains. RMBL has supported field work since it was founded in 1928,...		More Info

		Effects of frost on wildflowers: an unexpected consequence of climate change--image 02 of 22 An example of a late spring frost and snow event at the Rocky Mountain Biological Laboratory (RMBL), at 9,500 feet in the Colorado Rocky Mountains. This photograph was taken on 13 June 2001, when the...		More Info

		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...		More Info

		Effects of frost on wildflowers: an unexpected consequence of climate change--image 04 of 22 A graphical representation of a frost event at the Rocky Mountain Biological Laboratory (Colorado). The temperature dipped to 25.1 F on 11 June 2004. Winter snowpack melted at the monitoring...		More Info

		Effects of frost on wildflowers: an unexpected consequence of climate change--image 05 of 22 A flowering plant of Helianthella quinquenervis (aspen sunflower, Asteraceae) at the Rocky Mountain Biological Laboratory(RMBL). This species has flower buds that are frost-sensitive. The plants have...		More Info
		http://www.jstor.org/pss/27651548

		Effects of frost on wildflowers: an unexpected consequence of climate change--image 06 of 22 Ants (Formica obscuripes) searching for extrafloral nectar on the involucral bracts around a flower head in bud in the frost-sensitive herb Helianthella quinquenervis. The ants help to deter...		More Info
		http://www.esajournals.org/doi/abs/10.2307/1936460

		Effects of frost on wildflowers: an unexpected consequence of climate change--image 07 of 22 A meadow with thousands of plants of Helianthella quinquenervis (aspen sunflower, Asteraceae) at peak bloom. This species is a common long-lived perennial plant in meadows near the Rocky Mountain...		More Info

		Effects of frost on wildflowers: an unexpected consequence of climate change--image 08 of 22 Photo of a meadow with thousands of Helianthella quinquenervis (aspen sunflower, Asteraceae) plants. In the year that this photo was taken, a springtime frost killed all but a few flower buds....		More Info

		Effects of frost on wildflowers: an unexpected consequence of climate change--image 09 of 22 A graph of the number of unfrosted flowers of the aspen sunflower (Helianthella quinquenervis) from an annual count in a 10x45m plot at the Rocky Mountain Biological Laboratory, Gothic, Colorado, by...		More Info

		Effects of frost on wildflowers: an unexpected consequence of climate change--image 10 of 22 The number of flowers produced by the aspen sunflower (Helianthella quinquenervis) in a particular year is affected by the date of the start of the growing season, which is in turn influenced by the...		More Info

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