Weed beds cover 30-40% (mostly submergent) of the pond in the summer. Weed bed size is very dependent on water clarity and water temperature. Last summer water temperatures were higher than the norm, but since the clarity was down, so was plant growth.
Where are the YP? I don't know, but there were plenty of them in the fall. YP seem to be segregationists, schooling only among their own (if possible). When the holes are bored, the light shines down from several "suns" and the FHs starting dropping down the sun beams; YP move off. I think they move off because the BCP and large predators are attracted to the light and activity. YP avoid the crowd. They also seem to avoid moving up the water column for a meal when there are plenty of bottom organisms to feed upon.
These are not universal truths but only my observations on Bremerpond.
