lorenzen: lorenzen

In laurieKell/lh: Life History Relationships

Description

Lorenzen natural mortality equation provides an estimate of M as a function of weight. M=a*wt^b;

Usage

lorenzenFn(wt, a = 0.3, b = -0.288)

Arguments

wt	mass at which M is to be predicted
par	an FLPar with two values; i.e. a equal to M at unit mass and b a power term; defaults are a=0.3 and b=-0.288 #'

See Also

chenWatanabe,gislason

Examples

## Not run: 
mass=FLQuant(c( 1.90, 4.23, 7.47,11.48,16.04,20.96,26.07,31.22,
               36.28,41.17,45.83,50.20,54.27,58.03,61.48,64.62),
             dimnames=list(age=1:16))
lorenzen(mass)

## End(Not run)

laurieKell/lh documentation built on May 20, 2019, 7:59 p.m.