Fig. 1From: Establishment of an extensive breeding population of a marine pulmonate snail far poleward of its previously documented rangeLocation of Melampus olivaceus at Elkhorn Slough National Estuarine Research Reserve (ESNERR) and surrounding locations. Snails present (green dot) and absent (red dot). Site abbreviations: MLWA (Moss Landing Wildlife Area); OSR (Old Salinas River Channel)Back to article page