Figure 1. Percentage of Porites divaricata colonies that harbor a given Symbiodinium strain in field surveys.

Colonies were collected from the bay and ocean side of the Upper (n = 30, 30), Middle (n = 20, 54) and Lower Keys (n = 30, 18, bay and ocean respectively) in 2004. Color code: Light hatching- B170; Diagonal- B170+A194; White – B170+ others; (others  = 160, 178, 190, 196 or 178+194)) Dark hatching – A194; Black – Symbiodinium 178 alone or with A194.