The Hot Zone

Western weed offers glimpse into climate change

Invasive species are fending very well under higher temperatures and carbon dioxide conditions. And the yellow starthistle in the American West offers a glimpse of why. A native to the Mediterranean, this thorny yellow-blossomed plant has become a bane to ranchers in the West as it outcompetes native grasses and degrades pasture quality. Cattle don’t want to eat it and it’s toxic to horses. Photo: Patrick Berry A Purdue University study found that yellow star thistle has some of the greatest... [Read more]

Posted by Alison Hawkes on June 2, 2011 No Comments »
Category : The man made climate

Climate refugees or invading species? What to do with species on the move.

Previously├é┬á I wrote about the debate in the scientific community about recolonizing species into new areas as climate change forces them out of their old homes. Apparently, a similar debate is happening in the U.S. parks service. I was at an event this week commemorating the opening of a Ocean Climate Center in San Francisco, a place where federal agencies can combine research and mitigation efforts on climate change. Frank Dean, the superintendent of the Golden Gate National Recreation Area,... [Read more]

Posted by Alison Hawkes on October 27, 2010 No Comments »
Category : The man made climate

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