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Temperature

Near record-breaking droughts, wildfires could advance climate change dialogue

This post contributed by Terence Houston, Science Policy Analyst New reports continue to suggest that rising temperatures are coinciding with near record-breaking numbers of droughts and wildfires across the United States. Taken collectively, the evidence lends to the notion that climate change is having serious impacts on human society. The National Oceanic Atmospheric Administration (NOAA), the leader in providing US…

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Snowflakes still hold mystery

This post contributed by Nadine Lymn, ESA Director of Public Affairs Their silent, shimmery beauty has long stirred human aesthetic appreciation and for centuries individuals have sought to unravel the secrets of snowflakes.  Why are there so many varieties?  Why do all snowflakes have six “arms”?  And why does each flake appear unique, no matter how many fall from the…

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Seeing (less) red: Bark beetles and global warming

This post contributed by Jesse A. Logan, retired research entomologist living in Emigrant, Montana. The Greater Yellowstone Ecosystem (GYE) is an ecological reserve of regional, national and international significance. This collection of National Parks, National Forests, wildlife reserves and tribal lands is generally recognized as one of the last remaining large, nearly intact, ecosystems of the Earth’s northern temperate region….

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Temperature predicts lifespan in ectotherms

Pearl mussels can vary greatly in lifespan over latitudinal and temperature gradients. Bergmann’s rule within physiological ecology postulates that animals get larger at higher latitudes and altitudes.  Similarly, the temperature-size rule predicts that although animals grow more slowly at cold temperatures, they reach a larger adult size (but see Angiletta and Dunham 2003).  A study published today in the Proceedings…

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