PSalmonAK {FSAdata}R Documentation

Stock and recruitment data for Alaskan Pink Salmon, 1960-1990.

Description

Harvest, escapement, and return of northern Southeast Alaska Pink Salmon (Oncorhynchus gorbuscha), 1960-1991, and average sea surface temperature between June and November off Sitka, Alaska, 1960-1990.

Format

A data frame of 34 rows on the following 5 variables:

year

Year of data

harvest

Harvest (thousands of fish)

escapement

Escapement (thousands of fish)

return

Returns (thousands of fish) as sum of harvest and escapement from two years later (lagging is for proper brood year correspondence)

SST

Average sea surface temperature (C) between June and November off Sitka, AK from one year latter (lagging is for matching when the salmon are actually in the ocean)

Topic(s)

Source

From Table 3.1 in Quinn, T.J. and R.B. Deriso. 1999. Quantitative Fish Dynamics. Oxford University Press, New York, New York.

Examples

data(PSalmonAK)
str(PSalmonAK)
head(PSalmonAK)
op <- par(mfrow=c(1,2))
plot(return~year,data=PSalmonAK)
plot(return~escapement,data=PSalmonAK)
par(op)


[Package FSAdata version 0.3.7 Index]