Fig. 1
From: Ecological changes over 90 years at Low Isles on the Great Barrier Reef

The historical background of the Low Isles reefs. a A timeline of key studies20,22,26,27,28,29,30,50,53,54,55 at the Low Isles historic reef since 1928 to the present study (years 2004, 2015 and 2019). b A map depicting the location of Low Isles in the northern sector of the GBR (inset) and the three traverses performed along a depth gradient, by the GBRE19. A star represents the LI lighthouse. c Seawater temperature as measured twice a day by the GBRE in the Anchorage at the surface and at 1 m depth from August 1928 to July 1929, and a record of temperature data from an Australian Institute of Marine Science (AIMS) data logger on the LI reef flat at 1 m depth (monthly average 1996–2016)