FSAdata: BlackDrum2001 – R documentation

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BlackDrum2001

Biological data for Black Drum from Virginia waters of the Atlantic Ocean, 2001.

Description

Biological data (lengths, weights, ages (from otoliths), and sex) for Black Drum (Pogonias cromis) from Virginia waters of the Atlantic Ocean, 2001.

Format

A data frame with 141 observations on the following 9 variables.

year: Year of capture (all 2001)
agid: Unique identification number
spname: Species name (all “Black Drum”)
month: Month of capture
day: Day of capture
weight: Weight (lbs) – most are missing
tl: Total length (mm)
sex: Sex (female, male, and unknown)
otoage: Age (yrs; from otoliths)

Topic(s)

Growth
von Bertalanffy
Weight-Length

Note

Used in the Introductory Fisheries Analyses with R book.

Source

Obtained directly from the Virginia Marine Resources Commission via Hank Liao.

Examples

data(BlackDrum2001)
str(BlackDrum2001)
head(BlackDrum2001)
plot(tl~otoage,data=BlackDrum2001)

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