Skillen, E.L., Pickering J., et al., 1998
Figure. 1 Estimates of species richness by the Eadie-Hofstee, Lamas et al., Chao1 and Chao2 methods and species accumulation to effort relationship of Campopleginae at Hitchiti, Traps 213 and 214, 1993. The solid line represents the average number of species as a function of sampling effort.