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Discipline Specific Core Concepts is Ecological Core Concepts -- Populations -- Density and distribution
Results 31 - 35 of 40
View Resource 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...

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

The ratio of flowers/butterfly (Erigeron speciosus to Speyeria mormonia) in year t is a good predictor of the change in the size of the Mormon fritillary butterfly population from year t to the next...

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View Resource 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...

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View Resource 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....

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View Resource Effects of frost on wildflowers: an unexpected consequence of climate change--image 16 of 22

Buds of Delphinium barbeyi (tall larkspur, Ranunculaceae) killed by a late season frost. In those years, the larkspur suffers reproductive failure, affecting animal species that rely on them for...

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