| TPrawnsEG {FSAdata} | R Documentation |
Stock and recruitment data for Exmouth Gulf Tiger Prawn, 1970-83.
Description
Stock and recruitment data for Exmouth Gulf Tiger Prawn (Panaeus esculentus), 1970-1983.
Format
A data frame with 14 observations on the following 5 variables.
- year
a numeric vector of years
- stock
a numeric vector giving the index of spawning stock fish
- recruits
a numeric vector containing the index of recruits
- cycloneJan
a numeric vector containing the relative rainfal in January as an index of cyclonic activity
- cycloneFeb
a numeric vector containing the relative rainfal in February as an index of cyclonic activity
Topic(s)
Stock-Recruit
Recruitment
Source
From table 9.1 in Haddon, M. 2000. Modeling and Quantitative Methods in Fisheries, CRC Press. Originally from Penn, J. W., and Caputi, N. 1986. Spawning stock-recruitment relationships and environmental influences on the Tiger Prawn (Penaeus esculentus) fishery in Exmouth Gulf, Western Australia. Australian Journal of Marine and Freshwater Research 37:491-505. CSV file
Examples
data(TPrawnsEG)
str(TPrawnsEG)
head(TPrawnsEG)
op <- par(mfrow=c(1,2),pch=19)
plot(recruits~year,data=TPrawnsEG,type="l")
plot(recruits~stock,data=TPrawnsEG)
par(op)