smacker: Mackerel data from a Spanish survey

Description

Description

These data were recorded by a Spanish survey, as part of a multi-country survey of the abundance of mackerel eggs off the coast of north-western Europe, in 1992.

The variables are:

Density egg density
smack.lat latitude of sampling position
smack.long longitude of sampling position
smack.depth bottom depth
Temperature surface temperature
D200 distance from the 200m depth contour line

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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