mackerel: The abundance of mackerel eggs

Description

Description

These data record the abundance of mackerel eggs off the coast of north-western Europe, from a multi-country survey in 1992.

The variables are:

Density egg density
mack.lat latitude of sampling position
mack.long longitude of sampling position
mack.depth bottom depth
Temperature surface temperature
Salinity salinity

Background to the survey and the data are provided by Watson et al. (1992), Priede and Watson (1993) and Priede et al (1995). Borchers et al (1997) describe an analysis of the data.


sm documentation built on May 1, 2019, 8:06 p.m.

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