Statistical Format Used

One of the simplest ways to estimate population from our catch data was to use Schabel’s adjusted formula (Ricker W.E. 1975) :
N= (M*C)
(R+l)
Where: M - number of marked fish
C - number of fish in the recapture sample
and R = number of marked fish recaptured.

One of the simplest ways to estimate population from our catch data was to use Schabel’s adjusted formula (Ricker W.E. 1975) :