bh | R Documentation |
bh calculate the expected Beverton-Holt stock recruitment level from the available spawning biomass, the steepness, R0 and B0. This would be used when fitting a model to data.
bh(spb, h, R0, B0)
spb |
the current spawning or mature biomass |
h |
the steepness of the Beverton-Holt stock recruitment curve |
R0 |
the unfished average recruitment level |
B0 |
the unfished spawning biomass. |
the expected Beverton-Holt recruitment level, a real number in the linear scale
rec <- bh(10000,0.75,1500000,30000)
print(rec) # should be 1285714
bh(spb=30000,h=0.75,R0=1500000,B0=30000) # should be 1500000
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