Tree leaves will accelerate the pond aging process by adding large pieces of organic matter which contain nutrients. Premature and regular pond aging causes numerous water quality problems that usually eventually results in having to rebuild the pond. Fish will not need the shade from the trees. Fish will move deeper for darker and cooler conditions.
For growing large bass, I suggest you explore additional forage species. There is a lot of reading information about growing LMB in the Archives Section. Study it.
http://forums.pondboss.com/ubbthreads.php?ubb=showflat&Number=255372#Post255372A diverse forage base will help produce larger bass. If you plan to eat any fish consider RES to minimize fish parasites. Numerous members can advise about growing large bass. You should toughly explore HSB as an additional or the main predator. Rethink the CC unless you are a big fan of cleaning and eating CC. Lots to learn on this forum about growing trophy fish. You can grow high quality smallmouth bass in MO ponds.
Acronyms used on the PB Forum:
http://forums.pondboss.com/ubbthreads.php?ubb=showflat&Number=92442#Post92442Read through this thread of how to build a nice home at the pond location.
http://forums.pondboss.com/ubbthreads.php?ubb=showflat&Number=390172&page=1
