: SATURDAY HORAING SBS5iI08 . » « THe Saturday Morning Session convened at nine o'clock, Dr. Paul D. Ponrson, presiding. DR. PEARSON: .« . CGenticnen, shall we cone to order, Our first paver this morning will bo givon by Cr. title Lernor Narine Laboratory, and the Louis A. Brumhols, of the of his parser is "Scolozical Studies of White Oak Lake." . e e Besinnins portion of De, Rrunhols' not recorded. DR. EKRUMTIOLZ: . There kas boon a lot of hosing and hawing in ths literatuve bac’s and forth with resect to the validity of making a population estimate and marking recapture. wn I think fron the experience here at White Oak Lake and elsewhere, it does give you sood qualitative information under mest circun-. stances, but the quantative data must to accumulated in very special ways, dopendins upon tho kind of fish you are dealing with and denending upon the terrain with which you ere dealing, When I speak of the terrain, I speak of ths botton and a4 ’ White Oak Lake was pretty much something like these (indica- tins) all over the botten. There were sticks and brush, layor was not cloaved at all, The As the trees died, they fell over, and it was really -- I wouldn't say simple to set a net or do any sanding, or anything like that, in tho Lake -- but aftor we gathered all of this information, the problem cama up of preparing some kind of final report. report. We tricd to get everything into ore It was written up in three parts. This is a little nato