Managing Lakes and Ponds

By: Joe Brown Email
By: Joe Brown Email

“If you build it, they will come.”

“Virtually anytime you build a pond, and the rain fills it up, there are going to be a lot of species that show up on their own. Species of insects, dragon flies, and lots of other insects that come in on their own, weeds, species like crawfish.”

Alan Rudd is a consulting biologist.

“If you over-fertilize a lake you can create a situation, instead of having a lot of open water like you see behind us, virtually every square millimeter of the lake can be choked from top to bottom with a species like hydrilla.”

“We use weed eating fish to control it as the primary means in our lake management efforts.”

Rudd says to be careful what you ask for, you just might get it.

“You’ve got to be careful and not introduce bad species of vegetation into a lake. Some people I have seen pick up vegetation in Louisiana because it has pretty flowers on it, bring it back to their lake in Texas, and pretty soon they have more vegetation and more flowers than they counted on.”

Dense vegetation and too many fish in a small area can create an oxygen deprived habitat.

“Generally it happens in the months of August and September, and generally it’s a situation where you have over-fertilized or you’re feeding too heavily, or in situations of drought over the last two years, very large ponds have been scrunched down to a fifth of their size, all those fish are crowded into a small habitat, and suddenly there’s not enough oxygen to support all those pounds of fish in a small area.”

With the runoff we’ve experienced from this year’s rains, you’re favorite fishing spot or swimming hole should be in pretty good shape. I’m Joe Brown, looking at Brazos Valley agriculture, From the Ground Up.


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