Lengths and weights for Yellow Perch from Trout Lake, WI.

Description

Lengths and weights for Yellow Perch (Perca flavescens) from Trout Lake, WI, 1981-2006. Fish were collected with a variety of gears.

Format

A data frame with 7238 observations on the following 7 variables:

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

• sampledate: Date of capture
• gearid: Capture gear type – beach seine (BSEINE), crayfish trap (CRAYTR), electrofishing (ELFISH), fyke net (FYKNET), trammel net (TRAMML), vertical gillnets of different mesh sizes (VBN0XX), and different types of fyke nets (FYKNED and FYKNEL)
• spname: Species name (all YELLOWPERCH)
• length: Total Length (nearest mm) at capture
• weight: Weight (nearest 0.1 or 1 g) at capture

Topic(s)

• Weight-Length
• Length Frequency
• Size Structure
• PSD

Source

From a query to the North Temperate Lakes Long Term Ecological Research, Fish Lengths and Weights Database which was (is?) at https://lter.limnology.wisc.edu/dataset/north-temperate-lakes-lter-fish-lengths-and-weights-1981-current.

Examples

data(YPerchTL)
str(YPerchTL)
head(YPerchTL)
plot(weight~length,data=YPerchTL)