Word: davises
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Dates: during 2000-2009
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Davis agreed, saying that, “Thoreau holds a very special place in many of our hearts.”
Davis said that about one-quarter of the plants Thoreau observed in his notebooks have become extinct, and that 36 percent now are in such low abundance that they are “hanging by a thread.”
Davis said that the study would have implications that go far beyond Walden Pond. The patterning of species loss at Walden seems to extend from one habitat type to another, from wetlands to deciduous forests, he said.
Davis said that by studying their similarities, the two sets of events may prove to be illuminating for explaining the reasons behind the loss of biodiversity over time.
Some scientists call the modern era the sixth mass extinction that is taking place, Davis said, and so the study “gives us a very strong shot in the arm about thinking in an evolutionary way about which species are going to decline to climate change.?...