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. 2020 Jan 23;9(1):bio047316. doi: 10.1242/bio.047316

Fig. 1.

Fig. 1.

(A,B) Mean monthly sea-surface temperature (°C) records for Backnumbers reef (central GBR) and Tijou reef (far northern GBR) from June 2002 through March 2019 from the Aqua MODIS satellite. (C) Estimated level of experimental thermal stress experienced in the 31°C treatment for juveniles sourced from Backnumbers (blue outlined box) and Tijou (red outlined box) reefs. Barplot colours represent NOAA CoralReefWatch Status Alert Categories (grey to red). Horizontal dashed lines represent thresholds when DHW>4 (Alert Level 1) or >8 (Alert Level 2). NOAA Coral Reef Watch Bleaching Alert System values were used to determine the degree heating weeks and alert levels for each coral reef.