MuskieSLR: Ages of Muskellunge assigned from scales and cleithra.

In FSAdata: Data to Support Fish Stock Assessment ('FSA') Package

Ages of Muskellunge assigned from scales and cleithra.

Description

Ages of St. Lawrence River, ONT, Muskellunge (Esox masquinongy) assessed from scales and cleithra.

Format

A data frame of 43 observations on the following 2 variables:

ageC

Age assigned from examinaton of cleithrum

ageS

Age assigned from examination of scales

Topic(s)

• Age Comparison

• Age Precision

• Age Bias

• Ageing Error

Source

From Figure 3 in Casselman,J.M. 1983. Age and growth assessment of fish from their calcified structures - techniques and tools. In E.D. Prince and L.M. Pulos, editors, Proceedings of the international workshop on age determination of oceanic pelagic fishes: Tunas, billfishes, and sharks, volume NOAA Technical Report, NMFS 8:1-17. CSV file

Examples

data(MuskieSLR)
str(MuskieSLR)
head(MuskieSLR)
plot(ageS~ageC,data=MuskieSLR)
xtabs(~ageC+ageS,data=MuskieSLR)

FSAdata documentation built on Aug. 24, 2023, 5:06 p.m.