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by Peter Aldhous, SF Chronicle
In the southern reaches of Mexico's Baja California peninsula, majestic cardon cacti stand sentry over the dusty red desert, which crumbles into the turquoise waters of the Gulf of California. But in this striking landscape, dark forces are at work.
Within an hour of leaving the airport at the resort of Loreto, our truck is flagged down at a checkpoint set up by federal agents. They include inspectors from the environment ministry searching for abalone and other illegally harvested wildlife. Calling the shots are members of the AFI -- the Mexican equivalent of the FBI -- clad in flak jackets and armed with semiautomatic rifles. They are looking for narcotics.
I am here with Wallace J. Nichols, a biologist with the California Academy of Sciences and the Ocean Conservancy, who since 1993 has studied endangered sea turtles off the Baja coasts and worked with local fishermen to reverse their decline. These efforts are threatened by the trade in illegal drugs.
Drug production and trafficking can damage sensitive ecosystems, and some projects, such as those run by Nichols, are undermined by epidemics of addiction among local people. In other cases, biologists and officials who should be enforcing environmental laws are kept away by the threat of violence.
Given the dangers, there have been few studies to quantify the problem. Researchers and conservation organizations are often reluctant to discuss the issue, which is seen as intractable and outside the realm of science. "This is an extremely important issue, and one that is not talked about enough," says Thomas Brooks of Conservation International's Center for Applied Biodiversity Science
Remote biodiversity hot spots make ideal bases for narcotics production and trafficking. The problems are particularly acute along the smuggling routes of Latin America, from the forests of Colombia to the Mexican staging posts from which drug runners make their final push into the United States. The situation is often made worse by efforts to crack down on the trade.
Mexico is on the front line. According to the U.S. State Department, up to 90 percent of the cocaine consumed in the United States enters via Mexico. Mexican growers produce about 30 percent of the heroin on the U.S. market. And in recent years, "superlabs" south of the border have become the major source of methamphetamine, a powerfully addictive synthetic drug. The entire business is controlled by powerful and ruthless cartels that exert a strong influence through official corruption.
Traveling through Baja, almost everyone has a story about the narcotics trade. Cecilia Fischer, who works for a developer in Loreto, recalls a standoff three years ago when she was part of a team trying to eradicate introduced animals on local islands. Her camp was disturbed in the dead of night by armed men expecting to pick up a drugs shipment. "Had the hunters with us not had guns, I don't know where we would have been," Fischer says.
Officials employed to prevent poaching of turtles and other marine species live in fear of the drug runners, who want to keep government boats out of the water. "They've had gunfire over their homes at night, flattened tires or smashed windshields on their vehicles -- things that have made them back off from doing their job," Nichols says.
Compared with some parts of Mexico, the Baja peninsula is relatively safe. The Sierra Madre highlands are a center for marijuana and opium cultivation, and the gangs that control the trade jealously guard their territory. Dean Hendrickson, a fish biologist at the University of Texas at Austin, says the threat of violence hampers his attempts to survey streams in the area. "We always work with local guides," he says. "Frequently they'll say: 'Maybe you'd like to go down that canyon, but just don't.' "
Where marijuana and opium is grown, the disturbance can displace animals such as jaguars, which may then be shot by ranchers, says ecologist Sandra Guido at the Research Centre for Food and Development in MazatlaÌÂÂn, Mexico. One small benefit is that the lawlessness cuts off remote areas, preventing further habitat destruction.
For the most part, though, the negatives outweigh such locally positive effects. The fragile Sonoran desert near the U.S. border is a case in point. It has become a major drug route in recent years, as border controls tighten around Tijuana and other cities. "The fieldwork I do in northwest Mexico is severely impacted," says Richard Felger, a botanist and director of the Drylands Institute in Tucson.
"Everyone has guns now." Some sites have become too dangerous to visit, and on one occasion Felger was robbed while a gun was held to his forehead.
Violence is spilling over the U.S. border. Skirmishes between drug runners and the U.S. border patrol threaten endangered animals -- including the Sonoran pronghorn antelope, now down to a few dozen individuals in Arizona. "They're highly sensitive to disturbance," says Kathy Billings, superintendent of the Organ Pipe Cactus National Monument in Arizona.
For U.S. conservation biologists, encountering drug-related violence is a new experience. At the other end of the smuggling routes, in the forests of Colombia, it has been a fact of life for many years. Since the 1990s, cocaine production in Colombia has largely been controlled by leftist guerrillas and right-wing paramilitaries. Thomas Defler, a primatologist now at the National University of Colombia in BogotaÌÂÂ, ran into trouble with the largest left-wing group, the FARC, in the late 1990s while working near the Brazilian border. First, one commander demanded $5,000 from him for permission to carry on working. "I was going to give it to them," Defler admits, though fortunately that faction was run out of the area before it could collect the money.
Then, in 1998, Defler was expelled from his field station by another FARC unit. Detained by the rebels and expecting to be shot, Defler escaped by diving from a boat, then making his way through the forest over three nights. "I've got a huge list of places I'd like to go, but I can't, either because of guerrillas or drugs production," he says.
Colombia is also one of the few places where scientists have tried to assess the impact of drug production on conservation. At Javeriana University in BogotaÌÂÂ, AndreÌÂÂs Etter has used satellite images to study deforestation in CaquetaÌÂÂ, a biodiversity hot spot in the Colombian Amazon. He found that it reached a peak between 1996 and 1999, when coca cultivation was booming in areas controlled by the FARC.
The most comprehensive studies come from a researcher at Columbia University in New York, who has pieced together a picture of the ecological impact of drugs cultivation from a variety of sources. A Colombian national, she writes under the pseudonym of MariÌÂÂa AÌÂÂlvarez to ensure her safety. In 2002, AÌÂÂlvarez revealed that clearance for cultivation of coca and opium poppies had risen to account for half of the deforestation in Colombia, threatening the survival of some bird populations.
Since then, she has extended her analysis to the whole of the tropical Andes, including Bolivia, Ecuador and Peru. The good news is that it should be possible to preserve most birds endemic to the region by protecting areas that are not yet affected by drug production. "But birds aren't the whole story," AÌÂÂlvarez says. What's more, her studies suggest that efforts to eradicate drug crops by spraying them with glyphosate herbicide are making the problem worse, by driving growers to clear more forest.
Since 2000, as part of an anti-drugs initiative called Plan Colombia, backed to the tune of $4.7 billion by the U.S. government, vast quantities of glyphosate have been sprayed in Colombia's remote forests. It seems to have done little to curb drug production. Ecologists are worried about the effects of the sprays, especially surfactant chemicals that are added to help the herbicide penetrate foliage.
Frogs and toads, which are highly sensitive to pollution, are a particular concern. John Lynch, a herpetologist at the National University of Colombia, would like to investigate the effects on amphibian populations. But having been kidnapped by leftist guerrillas in 1999 and again in 2000, he is not prepared to take the risk.
Such dilemmas help explain why few conservation organizations are addressing the narcotics issue. It is also a difficult topic for groups that rely on a "wholesome" image to attract public donations. "It's not something that foundations necessarily want to print in their annual reports," says Nichols. "It's considered unstoppable. And I think people perceive the danger involved in engaging with it in
The conservation organization World Wildlife Federation, for instance, is running into narcotics-related problems in the forests of ChocoÌÂÂ-DarieÌÂÂn, near the Colombia-Panama border. "The issue of drug use and production is very far removed from our expertise," says Tom Lalley, spokesman for the U.S. arm of the federation. "We're dealing with very powerful forces which can put our people
Nichols argues that conservationists cannot ignore the issue. He wants to see more studies to quantify the problem, and believes field workers must forge links with public health organizations to try to find solutions.
Ultimately, fundamental change may only happen if there is a shift in strategy in the U.S.-led war on drugs, currently dominated by attempts to reduce supply by targeting illicit crops and drug smugglers.
Laurie Freeman, a fellow of a non-governmental organization called the Washington Office on Latin America, has studied the escalating drug-related violence in Mexico and believes the answer lies in efforts to reduce demand in the United States, and a broader approach to aiding Latin American countries in their anti-drugs efforts.
"You need to have the whole system: education, health care, the judiciary and economic development," she says. "It's going to be really difficult. Drug cartels are only getting more powerful, more corrupting and more dangerous."
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