FSAdata: YPerchTL – R documentation

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YPerchTL

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)

FSAdata

Data to Support Fish Stock Assessment ('FSA') Package

v0.3.8

GPL (>= 2)

Authors

Derek Ogle [aut, cre] (<https://orcid.org/0000-0002-0370-9299>)

Initial release

2019-05-17