shelltrace (version 3.5.1)

cross_section: Digitized growth increments in cross section of modern oyster rescaled to the same X-axis.

Description

A dataset containing X- and Y-coordinates of digitized growth increments from the Crassostrea gigas #1 oyster used as an example in de Winter (2017) resampled to fit the same X-axis.

Usage

data(cross_section)

Arguments

Format

A data frame with 101 rows and 10 variables:

0

X-coordinates in mm

44

Empty column, title contains day of the year the shell started growing (estimated)

0

Y-coordinates of digitized increment 0 (top of shell), title contains age in days

30

Y-coordinates of digitized increment 1, title contains age in days

90

Y-coordinates of digitized increment 2, title contains age in days

270

Y-coordinates of digitized increment 3, title contains age in days

420

Y-coordinates of digitized increment 4, title contains age in days

780

Y-coordinates of digitized increment 5, title contains age in days

1050

Y-coordinates of digitized increment 6, title contains age in days

1290

Y-coordinates of digitized increment 7 (bottom of shell), title contains age in days