New Homes on the Range: Species Shift Across Yosemite
Posted on November 12, 2008 in Global warming definition
Pioneering ecologist Joseph Grinnell in 1914 began a seven year survey of the animals living in Yosemite National Park in California. Even then, human impacts such as the transformation of the Central Valley into an agricultural oasis were changing the landscape and the animals who lived there. [More] Bad Biodiversity Ups West Nile Odds [The following is an exact transcript of this podcast.] If you're worried about news reports of West Nile virus, you might want to go take a census of the birds in your backyard. Because certain species of birds actually help the virus thrive. And they're not exactly exotic jungle fowl. In fact, they’re our more familiar feathered friends. [More]
Bad Biodiversity Ups West Nile Odds
Posted on October 27, 2008 in Un global warming
[The following is an exact transcript of this podcast.] If you're worried about news reports of West Nile virus, you might want to go take a census of the birds in your backyard. Because certain species of birds actually help the virus thrive. And they're not exactly exotic jungle fowl. In fact, they’re our more familiar feathered friends. [More] Sultry to Scorching: Rising Temps May Be Too Hot for Tropical Species Climate change is warming the tropics, too. Average temperatures have increased by 1.4 degrees Fahrenheit (0.78 degree Celsius) in the last 30 years, making them as warm as at any point in the past 2 million years. That increased warmth, however, is not good news for tropical plants and insects, according to a new study in Science. [More]