Btrait: working with biological data and trait information

The R-package Btrait contains functions and data sets to work with density data, trait information and taxonomic relationships.The package contains:* functions to work with a combination of species-density (or species-biomass) data, species-trait information, and taxonomy* two data sets with density and biomass data of the macrobenthos\footnote{macrobenthos are animals that live in the sediment and that are generally larger than 1 mm} in the North Sea.* several macrobenthos trait databases