New report gives more info on border fence
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July 14, 2008 - 10:12PM
By Kevin Sieff, The Brownsville Herald
The U.S. Department of Homeland Security has released a physical description of the border fence and its environmental impact in the Rio Grande Valley.

The information is included in the DHS' recently issued Environmental Stewardship Plan.

Though the fence's trajectory has changed only slightly since DHS' previous environmental impact statement was released last fall, the new document includes several updates.

But for Brownsville, new maps and analyses will do little to alleviate local concerns.

"The ultimate effect of the fence on the future developmental potential of downtown Brownsville," the report states, "is somewhat uncertain."

An updated map of the border fence's path still shows the barrier bisecting Brownsville's Sabal Palm Audubon Center and Southmost Preserve. Sabal Palm Audubon Center, which contains the largest tract of sabal palms left in the nation, will be closed if the fence is constructed along its proposed path, managers have said.

According to the plan, the fence will affect 21 wildlife management areas and refuges in the Rio Grande Valley. Short- and long-term negligible to moderate adverse impacts on wildlife and aquatic resources will be expected, the ESP states.

To minimize that impact, small openings will be integrated into the semi-transparent steel fence to let animals pass through. A biological monitor will be onsite during construction to account for occurrences of special status species, including ocelots and jaguarundis. Approximately 376 acres of vegetation will be cleared before the fence is erected.

The barrier, which will be built in segments ranging from one to 13 miles in length, will be able to withstand a 10,000-pound vehicle crashing into it at 40 miles per hour, the report states, and it will be "aesthetically pleasing to the extent possible."

Several doctored images illustrate what the fence will look like in various areas: suburban property, rural land and refuges.

Roma, Rio Grande City and Los Ebanos will get a different type of fence: a movable barrier installed to mitigate impact to the floodplain.

"During a flood event," the report reads, "sections of the fence ... would be moved in order to allow easier passage of flood waters."

After waiving more than 30 environmental laws in April, Homeland Security Secretary Michael Chertoff was no longer obligated to issue another environmental report, but Chertoff has "committed DHS to continue to protect valuable natural and cultural resources," the report states
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