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Tag: Louisiana Ecological Services Office

The content below has been tagged with the term “Louisiana Ecological Services Office.”

Articles

  • A green mat-forming plant covers the open water in a marsh
    Information icon Giant salvinia covering a pond in fresh marshes near Forked Island, 6-May-2016. Photo by Ronny Paille, USFWS.

    Bio-control of giant salvinia in coastal Louisiana

    November 13, 2019 | 5 minute read

    Giant salvinia is an invasive floating fern from Brazil. The plant spreads vegetatively, from whole plants or plant fragments. Giant salvinia can double its surface acreage in less than one week. It has been spreading and causing problems in coastal Louisiana since 1989. Giant salvinia tends to accumulate in small ponds or areas lacking water exchange. Once it covers the water’s surface, this floating plant will begin to stack up upon itself, and can extend 12 inches or more above the water surface.  Learn more...

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