Word: arizona
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Dates: during 2000-2009
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...rising concern over what illegal immigration and the U.S. response to it may do to the area's fragile ecosystems. The $7.6 billion federal Secure Border Initiative passed last year calls for the construction of 370 miles of pedestrian fence along the border by 2008 - 129 miles in Arizona, 153 in Texas, 76 in California and 12 in New Mexico. Pedestrian fences have so far proved useful in inhibiting human traffic, but conservationists and others worry they limit access to the habitat for endangered species such as jaguars and the antelope-like Sonoran Desert pronghorn...
...refuge's land manager, Roger DiRosa. But ever since the late 1990s, when U.S. Border Patrol officials embarked on several aggressive, successful clampdowns near El Paso, Texas, and San Diego, California, much of the illegal human traffic has shifted to the wilderness areas around New Mexico and Arizona...
...Like his fellow Arizona border land managers, DiRosa said he is practicing "triage - trying to figure out what to sacrifice to save the whole." Of the 1,200 miles of illegal roads and footpaths, some 450 miles are entrenched, the denuded desert pounded out to "moon dust." Some tracks are 100 yards wide and, even if abandoned, will take several generations to return to wilderness. When it rains, they turn into vast dry creek beds, distorting the rainfall patterns. Beyond the roads are staging areas so polluted with human waste and garbage that DiRosa must bring in commercial cleanup crews...
...park ranger at neighboring Organ Pipe Cactus National Monument was killed by drug smugglers. Vehicle barriers, which allow animals to pass back and forth, are now in place along parts of the Arizona border. More are planned and will soon be protecting Cabeza Prieta. But drug smugglers have adapted and DiRosa said there has been an increase in backpacking gangs. On the Mexican side, conservationists face the same challenges - one large Mexican refuge has several clandestine airstrips operated by the cartels, which operate with impunity...
...residents say concerns about endangered wildlife and loss of habitat are smokescreens for pro-immigrant sentiment. "The real issue for people who live on the border is that cattle are being killed, cars are being broken into and water lines are being cut," said Michelle Dallacroce, a self-described Arizona mother and U.S. Air Force veteran who heads Mothers Against Illegal Aliens (MAIA). "What's more important than a human life...