Lengths, weights, and sex of Cisco from Trout Lake, WI.

Description

Lengths, weights, and sex for Cisco (Coregonus artedii) from Trout Lake, WI, 1981-2006. Fish were collected with a variety of gears.

Format

A data frame of 8594 observations on the following 8 variables:

• lakeid: Lake name (all TR=Trout Lake)
• year4: Year of capture

• sampledate: Date of capture
• gearid: Capture gear type
• spname: Species name (all CISCO)
• length: Total length (nearest mm) at capture
• weight: Weight (nearest 0.1 or 1 g) at capture

• sex: Sex (F=Female, I=Immature, M=Male)

Topic(s)

• Weight-Length
• Length Frequency

Source

Was (is?) available for download from http://www.limnology.wisc.edu/.

Examples

data(CiscoTL)
str(CiscoTL)
head(CiscoTL)
op <- par(mfrow=c(2,2),pch=19)
plot(weight~length,data=CiscoTL,subset=sex=="F",main="Female")
plot(weight~length,data=CiscoTL,subset=sex=="M",main="Male")
plot(weight~length,data=CiscoTL,subset=sex=="I",main="Immature")
par(op)