Changes in Abiotic Drivers of Green Sea Urchin Demographics following the Loss of a Keystone Predator

Figure 3

Proportional sea urchin size frequency distributions with sizes averaged by island (from west to east) and time period of sea otter status. -axis for each plot is from 0 to 100%. No data available to show for predecline: Atka; end of decline: Hawadax, Ogliuga, Tanaga, Atka, Seguam, Yunaska, Chuginadak, Umnak, and Unalaska; and postdecline 2: Seguam. Horizontal dashed lines denote major passes that separate island groups.