Figure 1

Map of the Northern Section of the Great Barrier Reef indicating field sample locations.
Red dots represent positive hits for CoTS DNA, yellow dots are negative samples. Inserts show individual reefs where vertical tows were conducted from the tender; from north to south: Osterlund Reef, Ribbon Reef No. 1 and Rudder Reef. Station details are in Supplementary Table 1. The map was prepared using ArcMap 10.2 (Environmental Systems Research Institute, Redlands, California) and Adobe Illustrator CS6 (Adobe Systems Incorporated, San Jose, California).