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Giant salvinia
Posted on 8/7/16 at 7:27 pm
Posted on 8/7/16 at 7:27 pm
I went to a swamp at a nearby wma and noticed giant salvinia for the first time (it may have had some for sometime but if it did I never realized it...yesterday it was hard to paddle because of it, which was a first for me).
I'm curious, have the control efforts on the lakes in n. LA worked? Is the main weapon still weavals?
Isn't maurapas taken over as well? Have they tried anything there?
I'd hate see the same thing happen here.
I'm curious, have the control efforts on the lakes in n. LA worked? Is the main weapon still weavals?
Isn't maurapas taken over as well? Have they tried anything there?
I'd hate see the same thing happen here.
7
Posted on 8/7/16 at 7:40 pm to cbiscuit
We are starting to see this stuff in a brackish marsh where I duck hunt south of Lake Charles. The growth rate of the stuff is unbelievable. We have done some spraying, but that is like pissing in the ocean....I am not at all optimistic about the whole situation.
This post was edited on 8/7/16 at 7:40 pm
Posted on 8/7/16 at 7:58 pm to cbiscuit
A few spots in NWLA are getting killed with it.
Lake Bistineau will be a memory in < 5 years.
Clear Lake/Smithport Lake along with Wallace Lake (potholes compared to others) are done.
Other bodies have the salvinia but they are large enough that it just sits in the trees.
They have been spraying bistineau and working on a weevil plan, drawdowns, all that good shite. Its gone IMO.
Lake Bistineau will be a memory in < 5 years.
Clear Lake/Smithport Lake along with Wallace Lake (potholes compared to others) are done.
Other bodies have the salvinia but they are large enough that it just sits in the trees.
They have been spraying bistineau and working on a weevil plan, drawdowns, all that good shite. Its gone IMO.
Posted on 8/7/16 at 8:34 pm to cbiscuit
We have it where I live. Open lakes is no problem as the wind pushes it to shoreline and spraying twice a year does the job. A couple lakes around Lafayette have the weevil and they really do a number on it.
The problem areas are in North Louisiana. Its just a bit too cold for the weevils but not quite cold enough to kill the salvania. On top of that, efforts to clear large pathways in many of these heavily treed lakes has met with resistance from "Tree Lives Matter" folks. Creating these wide pathways lined with prevailing winter and early summer wind patterns would make spraying many times cheaper and more effective.
The problem areas are in North Louisiana. Its just a bit too cold for the weevils but not quite cold enough to kill the salvania. On top of that, efforts to clear large pathways in many of these heavily treed lakes has met with resistance from "Tree Lives Matter" folks. Creating these wide pathways lined with prevailing winter and early summer wind patterns would make spraying many times cheaper and more effective.
Posted on 8/7/16 at 8:36 pm to cbiscuit
The weevils from dept ag work
Takes manpower to get em out there
Takes manpower to get em out there
Posted on 8/7/16 at 9:44 pm to cbiscuit
The only things that help with giant slavinia are high water and cold winters with prolonged freezes (which are pretty rare these days). All of the other stuff they've tried has had little to no affect. Here's a picture of Caddo in Jeems Bayou from a couple of summers ago. It's some bad stuff. 
This post was edited on 8/7/16 at 9:54 pm
Posted on 8/7/16 at 9:48 pm to cbiscuit
The land has to be absolutely none dry for that tactic to work. Even the slightest bit of moisture will keep enough alive
Posted on 8/7/16 at 10:06 pm to cbiscuit
I saw that crap in the Tchefuncte River today.
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