salvinia, a non-native invasive aquatic plant, has been found at several lakes
around East Texas over the past few months, leading to concerns over how
quickly the destructive plant is spreading.
2012, giant salvinia has been found at boat ramps on Lake O' the Pines, Lake
Wright Patman, Lake Gilmer, and Lake Murval. This has led to increased efforts
by Texas Parks and Wildlife Department's Inland Fisheries District 3A staff to
inspect boat ramps for invasive plants and remove them before they can become
salvinia is usually spread unknowingly by boaters when the plants cling to
their boats and trailers. A probable source of giant salvinia in East Texas is
Caddo Lake, where the giant salvinia coverage is particularly high this winter.
Most ramps on Caddo are currently covered in giant salvinia, and it is almost
impossible to launch a boat without covering the trailer with the invasive
plant. A single plant transported on a boat trailer from one lake to another
can lead to a new infestation.
salvinia can severely limit fishing and boating access as well as displace
native beneficial plants that are used as habitat by fish. Once it becomes
established in a lake, it is nearly impossible to completely remove. TPWD crews
have been successful in eradicating giant salvinia in some lakes when it was
spotted early and confined to the area immediately around a boat ramp, but the
best way to prevent it from infesting a lake is not to introduce it at all.
should learn to identify giant salvinia as well as other invasive species that
occurs in Texas waters. Most importantly, boaters should remember to clean
their boats and trailers before leaving the boat ramp. Transporting giant
salvinia, along with other invasive species, is prohibited by law and
punishable by a fine of up to $500 per violation.
Tuesday, August 19 2014 4:10 PM EDT2014-08-19 20:10:07 GMT
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