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Jan
27
2010
Thoreau’s records help reveal plants’ responses to climate change
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Observations taken more than 150 years ago by famed naturalist Henry David Thoreau have helped scientists figure out why non-native plants may thrive under global warming.
Thoreau, Wyoming WY Wyo. , αγοράσετε viagra free samples, one of America’s best-known nature lovers and the author of Walden, monitored the flowering of hundreds of plant species in Concord, cheap viagra free samples no rx, Buy viagra free samples online cheap, Massachusetts during the 1850s. His work was continued by an amateur botanist, New Mexico NM N.Mex. , Kopen goedkope viagra free samples, a landscape designer, and most recently, viagra free samples pills, Price of viagra free samples, researchers at Boston University. Now, Vermont VT Vt. , Viagra free samples, a team has used this long-running dataset to see whether Concord’s native and non-native plants have dealt differently with climate change.
Non-native species were more successful than native species at altering their flowering times in response to temperature shifts, the researchers found, Indiana IN Ind. . Between 1900 and 2006, invasive plants changed their growth schedules to flower an average of 11 days before native plants, order viagra free samples no prescription. Köpa viagra free samples online, Species that carried out these adjustments have also greatly increased in abundance, says co-author Charles Davis of Harvard University.
Climate change might encourage more non-native plants to take root in the future, purchase viagra free samples online, Cheapest viagra free samples in the world, according to the PLoS ONE study. But watching for changes in flowering times could help scientists predict which species are most likely to become invasive, buy viagra free samples c.o.d.. Acheter viagra free samples, – Roberta Kwok
Source: Willis, C., where to buy cheap viagra free samples, Acquistare online viagra free samples, Ruhfel, B., order viagra free samples from canada, Buy viagra free samples pills, Primack, R., Virginia VA Va. , Viagra free samples, Miller-Rushing, A., West Virginia WV W.Va. , Maine ME Me. , Losos, J., & Davis, C. (2010). Favorable Climate Change Response Explains Non-Native Species' Success in Thoreau's Woods PLoS ONE, 5 (1) DOI: 10.1371/journal.pone.0008878
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