Flower Bloom Times Reveal Global Warming Effects
A study recently carried out by a team of climate scientists at the Boston University has appeared in the journal PLoS ONE. The same has revealed that the secrets to global warming are probably held by Thoreau's Walden Pond.
161-year-old data produced on flowering times by Henry David Thoreau was taken into account so that change in flower bloom times could be graphed. Combining the meticulous phenological records collected by the two American naturalists, including Aldo Leopold, with current records, the team noted that a significant change was there in the bloom times.
Elizabeth Ellwood and colleagues have affirmed that the earlier flower blooms clearly provide evidence that global warming has had adverse effects. It has been found that serviceberry and nodding trillium-like local plants have been growing upwards of previous one week.
Besides, wild geranium or marsh marigold in Wisconsin has been taking excess of one month to bloom. The same, in 2012, took almost a month earlier, averagely, to bloom as compared to 67 years back.
"The same phenomenon was happening in Wisconsin where Aldo Leopold was recording flowering times. Our data shows that plants keep shifting their flowering times earlier as the climate continues to warm", Ellwood affirmed.
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