09 Mar '12, 5pm

Thoreau’s notebooks reveal details of earlier arrival of spring in Eastern Mass. #climatechange #naturalist

09 Mar 2012: Thoreau’s Notebooks Reveal Details of Earlier Arrival of Spring A comparison of detailed notes taken by naturalist Henry David Thoreau with current weather and flower-blooming data has enabled scientists to document the earlier arrival of spring in eastern Massachusetts over the past 150 years. After studying Thoreau’s records and those of another local Henry David Thoreau naturalist from more than a century ago, Boston University researchers found that the flowering date for 43 common species had moved up by an average of 10 days in the last 150 years. Those species that have not adapted to the changing climate are disappearing altogether, the study found. While 21 species of orchid grew wild in Thoreau’s hometown of Concord, Mass., during his time, today there are only six, said Richard Primack, a professor of biology at Boston University. According to scien...

Full article: http://e360.yale.edu/digest/thoreaus_notebooks_reveal_det...

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