. 2021 Jul 27;9:e11663. doi: 10.7717/peerj.11663

Table 1. Linear mixed-effects model results for gross and net photosynthesis, respiration rates (mg O₂ m⁻² h⁻¹), and the P:R ratio of X. Umbellata corals under single DOC addition.

Type III analysis of variance with Satterthwaite’s approximation method for degrees of freedom.

Factor		Gross photosynthesis		Respiration		Net photosynthesis		P:R ratio
Fixed effects	df	F	p	F	p	F	p	F	p
DOC	3	1.206	0.386	1.06	0.421	1.394	0.338	0.589	0.639
Time	9	6.712	9.20e⁻⁰⁷*******	6.41	1.464e⁻⁰⁶*******	3.371	0.00186 **	2.370	0.0213*
DOC × Time	27	1.215	0.257	1.09	0.379	0.955	0.538	0.939	0.558

Notes.

P-values defined as significant at a threshold of P < 0.05 are highlighted in bold.

Table 1. Linear mixed-effects model results for gross and net photosynthesis, respiration rates (mg O2 m−2 h−1), and the P:R ratio of X. Umbellata corals under single DOC addition.