Probability values of Layman's metrics in three simulated model food webs for Río de la Plata region, including only females, males or both sexes in the samples of predators.

NR  =  nitrogen range; CR  =  carbon range; CD  =  mean distance to centroid; MNND  =  mean nearest neighbour distance; SDNND  =  standard deviation of nearest neighbour distance. For more details see Data analysis in Material and Methods.