| 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)
Stock-Recruit
Recruitment
Source
From Table 3.1 in Quinn, T.J. and R.B. Deriso. 1999. Quantitative Fish Dynamics. Oxford University Press, New York, New York. CSV file
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)