otoliths_had: Otolith Data (Haddock)

In fishgrowth: Fit Growth Curves to Fish Data

Otolith Data (Haddock)

Description

Otolith data for Icelandic haddock from the Icelandic spring bottom trawl survey 2011-2020.

Usage

otoliths_had

Format

Data frame containing two columns:

age	age (years)
len	length (cm)

Note

The data were contributed by the Icelandic Marine and Freshwater Research Institute. The otoliths were collected following the sampling protocol described in the survey manual (Sólmundsson et al. 2020).

Source

Sólmundsson, J., Karlsson, H., Björnsson, H., Jónsdóttir, I.G., Jakobsdóttir, K.B., and Bogason, V. (2020). A manual for the Icelandic groundfish survey in spring 2020. Marine and Freshwater Research in Iceland HV 2020-08.

See Also

gcm, gompertz, gompertzo, richards, richardso, schnute3, vonbert, and vonberto are alternative growth models.

otoliths_had, otoliths_skj, and tags_skj are example datasets.

fishgrowth-package gives an overview of the package.

Examples

head(otoliths_had)

fishgrowth documentation built on April 11, 2025, 5:52 p.m.