FSAdata (version 0.3.3)

VendaceLP: Stock and recruitment data for Vendace from Lake Puulavesi, 1982-1996.

Description

Vendace (Coregonus albula) recruitment by year in Lake Puulavesi, 1982-1996.

Format

A data frame of 15 observations on the following 3 variables:

year

Year of data

stock

Spawning stock index -- autumn biomass (kg/ha) of age-1+ fish

recruits

Recuit index -- density (indivs/ha) of age-0+ fish in first autumn

Source

From (approximately) Figure 1 and 2 of Marjomaki, T.J. 2004. Analysis of the spawning stock-recruitment relationship of vendace (Coregonus albula (L.)) with evaluation of alternative models, additional variables, biases and errors. Ecology of Freshwater Fish 13:46-60.

Topic(s)

• Stock-Recruit
• Recruitment

Examples

data(VendaceLP)
str(VendaceLP)
head(VendaceLP)
op <- par(mfrow=c(1,2),pch=19)
plot(recruits~year,data=VendaceLP,type="l")
plot(recruits~stock,data=VendaceLP)
par(op)