. 2018 Jan 29;12(3):921–930. doi: 10.1038/s41396-018-0046-8

Table 2.

Mean (±s.e.) natural abundance isotope values (in delta notation) and % carbon content from initial fragments of Orbicella faveolata and their Symbiodinium collected from the deep and shallow forereef of Carrie Bow Caye, Belize (top) and the enriched atom % heavy isotope values, %C, and mitotic index of experimental samples following a 9.8 h incubation in ¹⁵NO₃⁻ and H¹³CO₃⁻ after 10 days of acclimation to an ambient (26 °C) and elevated (31 °C) temperature

Treatment (nat. abs.)	Origin	n	δ¹⁵N_host (‰)	δ¹⁵N_symbiont (‰)	δ¹³C_host (‰)	δ¹³C_symbiont (%)	%C_host	%C_symbiont	MI (%)
Initial	DEEP	9	2.2 ± 0.1	0.5 ± 0.2	−13.1 ± 0.2	−13.2 ± 0.2	4.1 ± 1.1	37.7 ± 1.1	n.a.
Initial	SHALLOW	10	3.9 ± 0.4	1.6 ± 0.1	−11.5 ± 0.3	−12.0 ± 0.4	4.1 ± 1.1	37.7 ± 1.1	n.a.
Treatment (enriched)	Origin	n	AP¹⁵N_host	AP¹⁵N_symbiont	AP¹³C_host	AP¹³C_symbiont	%C_host	%C_symbiont	MI (%)
26 °C	DEEP	10	0.78 ± 0.03^†	1.33 ± 0.08^a	1.74 ± 0.04^a	3.24 ± 0.08^a	3.6 ± 0.2	42.7 ± 1.6	6.4 ± 0.3
26 °C	SHALLOW	10	0.60 ± 0.02	0.96 ± 0.07	1.59 ± 0.04	2.42 ± 0.10	3.6 ± 0.2	42.7 ± 1.6	6.4 ± 0.3
31 °C	DEEP	10	0.82 ± 0.04^a	1.74 ± 0.15^a	1.76 ± 0.04^a	3.30 ± 0.11^a	3.06 ± 0.2	41.8 ± 1.6	7.4 ± 0.3
31 °C	SHALLOW	10	0.66 ± 0.02	1.27 ± 0.10	1.62 ± 0.04	2.76 ± 0.11	3.06 ± 0.2	41.8 ± 1.6	7.4 ± 0.3

Values in “bold” indicate a significant temperature effect

^aindicates a significant difference between sampling depths