stralia's Great Barrier Reef. The map shows disease conditions on coral reefs at six study sites. of white syndrome, an infectious disease of coral, was investigated in a six-year study on Key: Number of colonies with white syndrome per 1500 m of reef A >50 O 26-50 1-25 0 Cooktown/Lizard Island Cairns Townsville (a.i)Identify the site with the highest incidence of diseased colonies.[1] (a.ii)Deduce whether there is a trend in the incidence of white syndrome over the north-south range of latitude.[1]