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...certain that Asian carp have made it into the Great Lakes. The Mississippi River system and the Great Lakes are connected only through the man-made Chicago Sanitary and Ship Canal, which leads from Lake Michigan to the Illinois River. (It's not uncommon for 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...
They're called Asian carp, and they emigrated to the lower reaches of the Mississippi River in the 1970s. Now they're knocking on the door of the Great Lakes, threatening to destroy one of the most valuable aquatic regions in the U.S., unless the often fractious Great Lakes states manage to pull together and keep them out. The situation is so serious that the White House convened an "Asian carp summit" on Monday to work out a defense plan. "If the carp invade the Great Lakes, it will change them forever," says Jennifer Nalbone, director of invasive species...
...cultivated for aquaculture for more than 1,000 years, often raised in submerged rice paddies. Catfish farmers in the U.S. imported Asian carp decades ago to eat up the algae in their ponds; the fish slowly escaped into the wild and have been making their way up the Mississippi River. They are eating machines; bighead carp can grow incredibly quickly and reproduce rapidly as well. "They just eat so much," says David Ullrich, executive director of the Great Lakes and St. Lawrence Cities Initiative. "They're like the locusts of the river...
...admirable works of scholarly reporting also keep coming out? I'm even more confident answering this question affirmatively. One such work, Country Driving: A Journey Through China from Farm to Factory, is being published in February, and it's the best yet from Peter Hessler, whose two earlier books, River Town (2001) and Oracle Bones (2006), were exemplary forays into the genre. Country Driving begins with the author recounting his quixotic efforts to follow the Great Wall by car, depending on flawed maps that sometimes left large sections blank (for political reasons) and often seemed hopelessly out of date right...
Karabell is the author of Superfusion: How China and America Became One Economy and Why the World's Prosperity Depends on It (Simon & Schuster 2009) and president of River Twice Research (rivertwice.com...