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...invasions to occur when humans connect ecosystems that have naturally been kept separate.) The Army Corps of Engineers put an electric barrier in the canal to prevent the carp from infiltrating Lake Michigan, but it may not have been enough - although no live fish have been found yet, last month a team of scientists discovered Asian carp DNA in Lake Michigan. "That's enough to show that they're likely making their way into the lakes," says Lindsay Chadderton, director of TNC's Great Lakes Aquatic Invasive Species program...
...immediately, to prevent the carp from ever gaining a finhold in the Great Lakes. But Illinois lawmakers argue that closing the canal would disrupt hundreds of millions of dollars' worth of shipping. A coalition of six Great Lakes states and the Canadian province of Ontario even sought an injunction last month from the Supreme Court to force an immediate shutdown of the canal; the court declined to issue the ruling but will hear briefs on the subject later this month...
...home than it is to eradicate them after the fact. And any plague of foreign species will likely become harder to quash because of global warming, as nonnative plants and animals are often better able to adjust to changing climates than indigenous species, according to a study published last week in the journal PLoS ONE. "We have to recognize that we are the ones changing the natural world, and we have an obligation to do it responsibly," says TNC's Lowenstein. "Not just for the planet, but for our own sake...
...editors of Ralph Ellison’s posthumously published second novel, "Three Days Before the Shooting..." told an audience at the Harvard Bookstore last night that the celebrated author’s unfinished work is not a masterpiece...
Despite the weaknesses of the two leads, “Stairs to the Roof” comes into it’s own in the last twenty minutes. The expertly choreographed ensemble uses elements of pantomime, slow motion, and Vaudevillian antics to highlight the strengths of Williams’ story. Although the ending of the play is shamelessly deus ex machina, it is done in a way that is genuinely surprising even in the context of an already unconventional production...