SiscowetMI2004 {FSAdata} | R Documentation |
Ages (subsample) and lengths (all fish) for male and female Siscowet Lake Trout captured at four locations in Michigan waters of Lake Superior.
Description
Ages (subsample) and lengths (all fish) for male and female Siscowet Lake Trout captured at four locations in Michigan waters of Lake Superior.
Format
A data frame with 780 observations on the following 8 variables.
- locID
Locations (
Blind Sucker
,Deer Park
,Grand Marais
,Little Lake Harbor
)- pnldep
Depth of gillnet panel in which the fish was captured
- mesh
Gillnet stretch mesh measure
- fishID
Unique fish identification code
- sex
Sex (
F
andM
)- age
Assigned ages (yrs; from otoliths)
- len
Total length (mm)
- wgt
Weight (g)
Topic(s)
Age-Length Key
Growth
Note
Used in the Introductory Fisheries Analyses with R book.
Source
Obtained directly from the U.S. Fish and Wildlife Service via Michael Seider. CSV file
Examples
data(SiscowetMI2004)
str(SiscowetMI2004)
head(SiscowetMI2004)
xtabs(~age+locID,data=SiscowetMI2004)
op <- par(mfrow=c(2,2),pch=19)
plot(len~age,data=SiscowetMI2004,subset=locID=="Blind Sucker",main="Blind Sucker")
plot(len~age,data=SiscowetMI2004,subset=locID=="Grand Marais",main="Grand Marais")
plot(len~age,data=SiscowetMI2004,subset=locID=="Little Lake Harbor",main="Little Lake Harbor")
par(op)
[Package FSAdata version 0.4.1 Index]