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More funds needed to fight salvinia on Cross Lake - KTBS.com - Shreveport, LA News, Weather and Sports

More funds needed to fight salvinia on Cross Lake

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Shreveport Environmental Affairs already has $150,000 budgeted for invasive water weed control on Cross Lake, but they'll ask the city council for $350,000 more this week. That's because there are fears salvinia, which has ravaged Lake Bistineau, could explode on the lake. The weed has covered parts of Bistineau so much, the surface looks like a manicured lawn. Shreveport officials fear Cross Lake could face the same fate.

"There's nothing good about that salvinia," boater Steven Keen said. Others say they haven't noticed much salvinia on Cross Lake. Wes Wyche is the city's environmental affairs manager. He says the extra funding will provide more spray herbicide and services to prevent the weed from spreading.

"We kind of knew going into this year that we didn't have enough budgeted," Wyche said."I think there was hope that maybe we'll have a cold winter and maybe nature will help us out. Unfortunately, nature did not."

Wyche says the mild winter, mixed with the summer's heat, can cause the salvinia to grow out of control. Large coverage can starve a lake of oxygen and sunlight but also disturb recreation.

"It can clog up your engine and you can burn up an engine up because of it," Keen said, referring to boats.

Since Cross Lake is the city's main water source, it can cause problems for the treatment plant there, as well. Wyche says the vegetation management company Edko has been contracted to spray the lake. A little more than $270,000 of the extra funds would go towards those services.

 

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