Table 1. Analysis of variance testing the effects of temperature and experimental conditions on chlorophyll content, photosynthesis and respiration of Turbinaria reniformis and Stylophora pistillata.
Parameter | Species | Factor | DF | F | p |
Chlorophyll (mg cm−2) | Turbinaria | Temperature | 1,30 | 5.5 | < 0.05 |
Experiment | 2,30 | 13 | < 0.001 | ||
Temp x Experiment | 2,30 | 13.9 | < 0.05 | ||
Stylophora | Temperature | 1,30 | 0.11 | 0.92 | |
Experiment | 2,30 | 11 | <0.001 | ||
Temp x Experiment | 2,30 | 1.2 | 0.29 | ||
Photosynthesis ( µmol O2 cm−2 h−1) | Turbinaria | Temperature | 1,30 | 19 | < 0.05 |
Experiment | 2,30 | 14 | < 0.001 | ||
Temp x Experiment | 2,30 | 3.1 | 0.06 | ||
Stylophora | Temperature | 1,30 | 67 | <0.001 | |
Experiment | 2,30 | 67 | <0.001 | ||
Temp x Experiment | 2,30 | 16 | <0.001 | ||
Respiration ( µmol O2 cm−2 h−1) | Turbinaria | Temperature | 1,30 | 2.2 | 0.15 |
Experiment | 2,30 | 10.3 | < 0.001 | ||
Temp x Experiment | 2,30 | 2.1 | 0.14 | ||
Stylophora | Temperature | 1,30 | 1.0 | 0.32 | |
Experiment | 2,30 | 8.2 | <0.01 | ||
Temp x Experiment | 2,30 | 2.3 | 0.12 |
DF denotes degrees of freedom for each effect. Temperature refers to the experimental temperature treatment (two levels: 26°C and 32°C) and experiment refers to the different light and feeding treatments (three levels: low light fed, low light unfed, high light unfed).