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Bonnet Carre Spillway opening

Old 02-28-2019, 03:33 PM
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Default Bonnet Carre Spillway opening

The Army Corp of Engineers has opened the Bonnet Carre spillway and says it may stay opened for quite some time. How do yall think this is going to affect the marsh?
Old 02-28-2019, 03:43 PM
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It’s good for the marsh. Keep it open year round. The marsh will adjust.
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Old 02-28-2019, 05:19 PM
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It definitely screws the lake up for trout fishing!
Old 02-28-2019, 06:39 PM
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Sure wished they could divert all that water through the Maurepas Wildlife Managment area.......
Old 02-28-2019, 07:09 PM
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Originally Posted by wdkerek View Post
Sure wished they could divert all that water through the Maurepas Wildlife Managment area.......
That would be the best case scenario for the overflow to get that swamp back into circulation and healthy again. I don't see it screwing up the trout fishing in the Lake though because those trout will still be there.
Old 02-28-2019, 08:32 PM
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Trout fisherman hate it. A fish telemetry survey was conducted for a recent BC opening (I don’t recall the year). Some of the trout stayed in the lake, but appeared moved out of the way of the freshwater (North). Not all of the trout leave. I don’t fish for trout, so I don’t care. The BC opened up last year and Matrix Shad Chas Champange who fishes almost daily in the area reported good trout fishing last year after BC shut down. All anecdotal, but either way I don’t buy into the “sky is falling” talk that I read from trout anglers. Also, go back through Modis Daily during the last few openings. The water clarity sucks in the lake as expected, but beyond Lake P, it wasn’t that bad in MS/Breton/Chand sound etc. Admitedly, I’m pro sediment diversion / MS river reintroduction, so I like when the river is allowed to do its thing during seasonal high water events.
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Old 03-01-2019, 06:27 AM
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How will it impact crab fishing??
Old 03-01-2019, 11:35 AM
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Originally Posted by Tiger51 View Post
It definitely screws the lake up for trout fishing!
Years ago, Ferguson ran laboratory tests on rangia clams, and determined that under ideal conditions -- 86-degree water with 5 parts per thousand salinity -- the peak biomass of rangia clams could filter the entire volume of Lake Pontchartrain in 1.2 days.

Now, obviously, the water in the lake in considerably colder than that now, and the salinity is surely close to zero. Ferguson said she consulted with University of New Orleans professor Michael Poirrier on Wednesday, and the two scientists agreed that under the current conditions, the clams would entirely filter Lake Pontchartrain's water within three to five days, assuming high winds don't add unrelated turbidity.
leave it open, year round
Old 03-01-2019, 08:49 PM
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https://www.louisianasportsman.com/f...pontchartrain/

Some additional info for those who didn’t see the article posted

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