FSAdata (version 0.4.1)

WhitefishTB: Stock and recruitment data for Lake Whitefish in Thunder Bay, Lake Superior, 1975-1988.

Description

Lake Whitefish (Coregonus clupeaformis) stock, recruitment, landings, and fishing mortality by year, 1975-1988.

Format

A data frame of 14 observations on the following 5 variables:

year

Year of data

ssb

Spawning stock biomass (in tonnes)

rec

Recruits (in thousands)

land

Landings (in tonnes)

fmort

Fishing related mortality (natural mortality was assumed to be 0.3)

Topic(s)

• Stock-Recruit

• Recruitment

Examples

data(WhitefishTB)
str(WhitefishTB)
head(WhitefishTB)
op <- par(mfrow=c(1,2),pch=19)
plot(rec~year,data=WhitefishTB,type="b")
plot(rec~ssb,data=WhitefishTB)
par(op)