It will have some affect, but there is a lot of marsh on the other side of the lake too.
They have closed them off completely before. One year won't do a lot of damage.
They still leave the slat openings open to let water out. Just close the weir part,
to keep too much saltwater from coming in.
If the salinity gets too low, the marsh will clog up. They do not want that. That will
kill duck and alligator hunting back there.
I hunted behind the weirs for 25 years. They will lower the water to get grass growing
then keep it fresh till it takes off good. They will be monitoring salinity on a weekly
basis. I know one guy who got fired for pencil whipping the salinity reports cause he
was too lazy to go out and check. Big land owners like Miami also check to make sure
the guvment is doing their job.
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