P.donacina {fishmethods}

Data from a growth study of New Zealand intertidal clams.

Description

Growth increment data derived from a tagging experiment on Paphis donacina

Usage

P.donacina

Format

A data frame with 150 observations on the following 4 variables.

T1

a numeric vector describing the release date (y)

T2

a numeric vector describing the recovery date (y)

L1

a numeric vector describing the length at release (mm)

L2

a numeric vector describing the length at recapture (mm)

Details

Note that the data have been corrected for measurement bias, as described by Cranfield et al (1996).

Source

Cranfield, H.J., Michael, K.P., and Francis, R.I.C.C. 1996. Growth rates of five species of subtidal clam on a beach in the South Island, New Zealand. Marine and Freshwater Research 47: 773–784.