Fig. 4From: The distribution of the invasive non-native gastropod Crepidula fornicata in the Milford Haven Waterway, its northernmost population along the west coast of BritainDensities of Crepidula fornicata along three transects at each of 10 intertidal sites in the Milford Haven Waterway (1.0–1.3 m above C.D.). Data labels are mean densities of transects with highest (Pwllcrochan) and lowest densities (Sandy Haven) and the sites that were surveyed for C. fornicata’s vertical distribution. Note break and change in scale in y axisBack to article page