YPerchGL {FSAdata} | R Documentation |

## Lengths and weights of Yellow Perch from Grafton Lake (ME) by year.

### Description

Yellow Perch (*Perca flavescens*) fork lengths and weights seperated by year.

### Format

A data frame with 100 observations on the following 3 variables:

- fl: Fork Length (nearest mm) at capture
- w: Weight (nearest 0.1 g) at capture
- year: Year of capture (
`1994`

or `2000`

)

### Topic(s)

- Weight-Length
- Length Frequency

### Source

From (approximately) Figure 3 in Brylinsky, M. 2001. An evaluation of changes in the yellow perch (*Perca flavescens*) population of Grafton Lake, Kejimkujik National Park, after dam removal. Technical Report Publication No. 59, Acadia Centre for Estuarine Research. 2001.

### Examples

data(YPerchGL)
str(YPerchGL)
head(YPerchGL)
op <- par(mfrow=c(1,2),pch=19)
plot(w~fl,data=YPerchGL,subset=year==1994,main="1994")
plot(w~fl,data=YPerchGL,subset=year==2000,main="2000")
par(op)

[Package *FSAdata* version 0.3.6.9000 ]