Electronic supplementary material S2. Estimation of <i>Neverita reclusiana</i> population size in the Colorado River estuary from Effects of dams on downstream molluscan predator–prey interactions in the Colorado River estuary SmithJansen A. C. HandleyJohn P. DietlGregory 2018 A detailed accounting of the assumptions and conversions used to estimate Neverita reclusiana population sizes before and after dam construction and water diversions.