The standing trees will die/drown. I personally think they will become an eyesore. Of course, removing them would mean pushing them from the pond and cutting them up. I like cedar for structure but, according to Lusk, they will rot away in about 4 years.
When mine was built, I had a lot of oaks taken down and pushed into the bowl. When it rained, I stocked and all fish died due to Tannins. The water turned black. I had to drain the pond and let Texas summer dry them out. I know you said no oak. I have no idea what pecans or hackberry will do. But, I PERSONALLY wouldn't chance it.
It's not about the fish. It's about the pond. Take care of the pond and the fish will be fine. PB subscriber since before it was in color.
Without a sense of urgency, Nothing ever gets done.
Boy, if I say "sic em", you'd better look for something to bite. Sam Shelley Rancher and Farmer Muleshoe Texas 1892-1985 RIP
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