Depending on how in depth you want to go, take a look at these:
Small Impoundment Management in North America and Introduction to Wildlife and Fisheries an Integrated Approach 2nd Edition.
TJ might have others.
I'll check into it. Thanks Or, I can just keep asking questions here. Ha! I'll get the book. I don't want to pollute the forum with my stuff. (I already do it too much..)
9 yr old pond, 1 ac, 15' deep. RES, YP, GS, FHM (no longer), HBG (going away), SMB, and HSB (only one seen in 5 yrs) Restocked HSB (2020) Have seen one of these. I think that's about all I should put in my little pond. Otter attack in 2023