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.
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 0.3.6.9000 ]