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Plants take a hike as temperatures rise
Date:2/10/2009

location records from 1984 to 1993 for 363 plant species with his records from 1994 to 2003 for the same species.

The Crimminses used climate data from six National Weather Service Cooperative Observer Network stations surrounding the trail to see how the temperature varied during the 20-year study period.

The Crimminses' collaboration with Bertelsen is a great example of how scientists and amateur naturalists can work together, Theresa Crimmins said. As part of its mission, the National Phenology Network encourages such collaborations to document events in the life cycles of plants and other organisms.

Theresa and Michael Crimmins plan to do additional analyses of the data to determine whether climate change is also causing flowers to bloom earlier in the year.

"The changes are happening fast enough now that more eyes on the ground are going to be much more useful as the human species tries to understand how these other systems, that we rely upon so dearly, are going to change," Theresa Crimmins said.

"We can really start to think about what the true impacts of those changes are and how can we mitigate these impacts."


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Contact: Mari N. Jensen
mnjensen@email.arizona.edu
520-626-9635
University of Arizona
Source:Eurekalert  

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