Roygpa I didn't see the picture, only saw the link Dave posted wasn't highlighted so, I quoted his link and for reasons unknown it will now redirect anyone who clicks on it.
I did see the charts so I copied them to my page more so from surprise, at the baitfish numbers.
I've seen the trap net exercises on the lakes as well as electro shocking on the Allegheny River.
Was very interesting to watch the recording of data and collecting of samples.