Freezing temps may provide temporary drop in giant salvinia

BATON ROUGE- Recent temperatures are offering a sign of hope against Louisiana's fight against an invasive aquatic plant that is overtaking many of the state's freshwater systems.  The Louisiana Department of Wildlife and Fisheries said in a news release that biologist with the department hope that the freezing will result in a reduction of giant salvinia this spring and summer. Last week's temperatures dipped into the 20s and hovered in the low 30s.  Signifi