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mapkinase's Journal: Global warming already killing species, analysis says 2

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CNN tells the story:

At least 70 species of frogs, mostly mountain-dwellers that had nowhere to go to escape the creeping heat, have gone extinct because of climate change, the analysis says. It also reports that between 100 and 200 other cold-dependent animal species, such as penguins and polar bears are in deep trouble.

"We are finally seeing species going extinct," said University of Texas biologist Camille Parmesan, author of the study. "Now we've got the evidence. It's here. It's real. This is not just biologists' intuition. It's what's happening."

Her review of 866 scientific studies is summed up in the journal Annual Review of Ecology, Evolution and Systematics.

866 studies sounds impressive.

How many species became extinct during circa 1400 (take or add a century), when a significantly colder climate crippled in? (that is a rhetorical question).

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Global warming already killing species, analysis says

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    • The estimated number of references is around 200. Some of them dated as early as 1931. At least one is true: even if those 866 exist, she was referring to older reviews on this matter.

      Here is an excerpt from FT:

      An extensive, but not exhaustive, literature search revealed 866 peer-reviewed papers
      that documented changes through time in species or systems that could, in whole
      or in part, be attributed to climate change. Some interesting broad patterns are re-
      vealed. Notably, the publication rate of climate-chan

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