SS.f: Numbers at log2 weight size spectrum

In duplisea/size: Size based indicators for the northern Gulf of St Lawrence groundfish survey

Description

The numbers an biomass at log2 weight class size spectrum for the community components you select. This is the classic size spectrum of Sheldon & Dickie

Usage

SS.f(species.group, codeqc)

Arguments

species.group	the species group you want to be represented in the data. The PLF is generally computed only for demersals. Choices are "groundfish", "demersal", "pelagic". If "code", then you need to provide the Quebec species numerical code (codeqc).
codeqc	the species numerical code used in Quebec region for a species. 792 is unspeciated redfish. Look at the species table (codeqc) for other species

References

Duplisea, D.E. and Castonguay, M. 2006. Comparison and utility of different size-based metrics of fish communities for detecting fishery impacts. Canadian Journal of Fisheries and Aquatic Sciences 63: 810-820.

duplisea/size documentation built on Sept. 11, 2019, 11:05 a.m.