| | |  Editorials | Environmental | November 2008 
Border Fence to Carve up Nature Reserve
 Enrique Gili - IPS News
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| | The Tijuana River, as it enters the Pacific Ocean, is an inter-tidal coastal estuary on the international border between California and Mexico with three-quarters of its 1,735 square mile watershed in Mexico. The salt-marsh dominated habitat is characterized by extremely variable stream flow, with extended periods of drought interrupted by heavy floods during wet years. This estuary is the largest salt water marsh in Southern California. (City of Imperial Beach) | | |
The Wall is being constructed over the objections of communities living near the border.
Another chapter in U.S.-Mexico border relations is about to close. In the waning days of the George W. Bush administration, the U.S. Department of Homeland Security is completing construction of a 22-kilometre triple fence along the San Diego-Tijuana border.
It is being done over the objections of environmental activists living near the border, who are worried both about the toll on wildlife and those seeking entry into the United States. A patch of green encircled by two cities, the Tijuana estuary lacks the grandeur of a mountain range but to biologists and conservationists it's an invaluable piece of real estate.
Created in 1981, the Tijuana River Research Reserve is an island of relative calm at the centre of a political maelstrom that pits conservations against advocates that promote tighter border controls.
Nesting amid coastal sage and tall grass, 400 species of birds inhabit the wetlands. Thousands more birds return each year to one of the last vestiges of salt marsh existing in Southern California, where 90 percent have been lost to development.
"The estuary is one of the few remaining in Southern California without heavy human intrusion," said Mike McCoy, president of the South West Wetlands Interpretive Association.
However, the estuary has been part of contested territory for generations. The land was granted to the United States after the Treaty of Hidalgo in 1848, which ceded much of what is now southwest Arizona, Texas, New Mexico and California to the United States in the aftermath of the U.S-Mexican War.
The estuary has also been labeled a haven for drug-running and illegal border crossings, according to border officials, making it a flash point for U.S. immigration policy and government agencies entrusted with protecting rare and endangered species living in the estuary.
The nearby Otay Mesa border crossing is the most active border crossing in the world. On average, more than 31 billion dollars worth of products cross through the checkpoint each day, nearly all of it related to the regional maquiladora/manufacturing and agricultural industries. Others seek entry through different methods.
"The immigration problem is overblown," remarked a docent on a recent trip to the Tijuana River Research Reserve. The border, however, does have a dark side.
According to U.S. border officials, the region is a magnet for illegal activity - 162,000 arrests have been made, and 49,000 pounds of marijuana and 699 pounds of cocaine intercepted since November 2007. Drug cartels waging war on the streets of Tijuana also add an element of fear and apprehension.
Here the border is tangible. After 3,200 kilometres, the line tumbles into the Pacific Ocean, and a steel fence divides the United States from Mexico.
During the 1980s, the estuary was in danger of being overrun. Social trails scarred the land. Migrants seeking entry into the United States used the estuary as a crossing point, prompting local politicos to take action.
Also known as Operation Gatekeeper, the 60-million-dollar construction project comprises the western portion of the San Diego Border Infrastructure System. A federally funded programme put in place by Rep. Duncan Hunter of California, it dates back to 1996.
In the coming weeks, two fences will flank the existing one, leaving a gap wide enough to provide access to patrol vehicles, along the westernmost 5.6 kilometres of the U.S.-Mexico border. It will enable agents to monitor a border that marches across the edge of Tijuana's city limits, stretching into the arroyos and mesas beyond.
The plan calls for infilling Smugglers Gulch, a steep canyon through which contraband and people pass. It requires the movement of 2 million cubic yards of earth and calls for building a culvert to divert rainfall that flows down denuded hillsides during storms.
According to local legend, Smugglers Gulch earned its reputation during the Prohibition era of the 1920s and early 1930s, when Tijuana became a destination for U.S. servicemen and thrill seekers. In Mexico, it is known as Canon de Matador, or Slaughter House Canyon, supposedly because goats were slaughtered in the area.
The tops of mesas will be graded down and sections of canyons filled to accommodate an extensive defensive infrastructure that in all likelihood will add to the menace that pervades the border.
According to environmentalists, 100 acres of existing habitat will be compromised within the estuary, placing additional stress on the remaining habitat. "The long-term consequences are unknown," said David Massey, director of education at the San Diego Natural History, when speaking of the triple border fence.
The initial plan met with fierce opposition from environmental groups, who cite concerns that fill from Smugglers Gulch would ultimately choke the wetlands with sedimentation. This would violate federal laws that set aside the estuary as a wildlife refuge and water quality standards. The coastal commission agreed that the project would cause environmental harm and blocked construction.
In September 2005, Michael Chertoff, secretary of Homeland Security, trumped all legal challengers by citing the National ID Act, giving him the authority to waive any regulation that impeded construction of the fence in the name of national security.
A local federal district court judge then dismissed all cases that impeded the construction of the fence on the grounds that the intent of Congress was clear in terms of completing its construction.
Construction will move along as the DHS attempts to meet its stated goal of building 225 miles of pedestrian fencing and 362 kilometres of vehicle barriers along the U.S.-Mexico border - plans likely to meet with additional legal challenges in the months and years to come as advocates on both sides of the fence continue to debate border policy over a landscape where cowboys and coyotes fear to go. |
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