I put one row of SMB beds 3' deep and a second row at 5' deep. I have seen the 3' ones in use; water clarity prevents seeing the deeper ones at spawning time. But I figure at least they're available if it's a shallow water Spring.

RES will spawn in most any substrate IME. Tree structures are definitely possible YP ribbon sites.


"Live like you'll die tomorrow, but manage your grass like you'll live forever."
-S. M. Stirling
[Linked Image from i.pinimg.com]