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pond problems
I have a 1/4 acre pond that has been healthy for 10 +
years.There are small mouth bass and catfish in it. All has been well until this year, there is a plant taking over the pond, and a great amount of algae. It seems that my fish count is going down and I am at a loss.I am a first time poster and would like some input on this problem. dwizard |
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pond problems
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#3
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pond problems
"douglas watts" wrote in message . uu.net...
I have a 1/4 acre pond that has been healthy for 10 + years.There are small mouth bass and catfish in it. All has been well until this year, there is a plant taking over the pond, and a great amount of algae. It seems that my fish count is going down and I am at a loss.I am a first time poster and would like some input on this problem. dwizard Douglas, Letting a plant take it over(something that grows on the surface? Species?) will greatly increase stratification is a pond. So that means there will be no turnover and less light/nutrients throughout much of the water column. You likely had algae throughout the water column, decent mixing in the pond before. Also more light penetration. Your pond likely has very little O2 except in the upper few feet(if that) of the water column. Catfish are fairly tough and so are bass so if the count is down, they are taking a beating. The bottom is likely cold and anaerobic. So the fish have much less room to live in and the small algae that was feeding the zooplankton which were then eaten by the smaller fish, now there's little for thew fish to eat as well. Most of the nutrients are in the bottom and the upper region is very low in the nutrients. Is the water clearer now? You might consider getting rid of the plant. Or have only submersed aquatic plants etc. Late spring is a common time of year for algae blooms and plant growth. Most algae goes away by summer/late. But the issues for the fish will stay and likely get worse later int he summer. The plants will likely take over if they are floaters. Regards, Tom Barr |
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