Summarize records of mean and standard deviation of body mass to species-level means
Source:R/species_data_functions.R
get_sp_mean_size.Rd
The CRC Handbook (Dunning 2008) often contains multiple records for mean body mass (and standard deviation of body mass) for a species, drawn from different locations or for different sexes. This function summarizes across all records for each species to produce species-level means for the mean and standard deviation of body mass.