Environment
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This photo provided by the LSU AgCenter shows two Department of Wildlife & Fisheries biologists easing through cypress knees and giant salvinia at Lake Bisteneau in northwest Louisiana to the area where salvinia weevils will be released in an effort to destroy the invasive species. (AP Photo/LSU AgCenter , Johnny Morgan)
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This photo provided by the LSU AgCenter shows James Seales, left, and Kevin Houston, both biologists with the Louisiana Department of Wildlife & Fisheries, working with LSU AgCenter scientists in spreading the salvinia weevil, which are in the plants being dumped into Lake Bistineau. (AP Photo/LSU AgCenter , Johnny Morgan)
