Table 2.
Coefficients of constructed models to explore the effect of four food treatments (FAST: fasting; PHYTO: diatom Chaetoceros calcitrans; DOM: dissolved organic matter; ZOO: rotifer Branchionus plicatilis) on each dependent variable after analysis of collected data on tissue, respiration and excretion of two octocoral species Dentomuricea aff. meteor and Viminella flagellum. If food source was excluded from the respective model during model construction, it was assumed it had no significant effect on the response variable in question and therefore no coefficients are provided. SE: Standard error.
| Species | Dentomuricea aff. meteor | Viminella flagellum | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Variable group | Dependent variable | Treatment | Fixed effects | Random effects | Variance Structure | Fixed effects | Random effects | Variance Structure | ||||||
| Value | SE | p value | Colony | Residual | Value | SE | p value | Colony | Residual | |||||
| Tissue | Tracer C Incorporation | PHYTO | 0.18 | 0.091 | 0.040 | 0.172 | 0.602 | 0.27 | 0.05 | 0.006 | 0.000 | 1.00 | ||
| DOM | 1.61 | 0.166 | 0.000 | 1.00 | 0.54 | 0.140 | 0.002 | 23.70 | ||||||
| ZOO | 80.26 | 6.359 | 0.000 | 39.49 | 21.80 | 4.030 | 0.000 | 655.10 | ||||||
| Tracer N Incorporation | PHYTO | 0.01 | 0.009 | 0.130 | 0.018 | 0.152 | 0.12 | 0.01 | 0.004 | 0.001 | 1.00 | |||
| DOM | 0.40 | 0.041 | 0.000 | 1.00 | 0.12 | 0.126 | 0.001 | 16.30 | ||||||
| ZOO | 16.66 | 1.159 | 0.000 | 28.45 | 3.36 | 0.447 | 0.000 | 355.90 | ||||||
| Respiration | Oxygen consumption | FAST | 1.08 | 0.199 | 0.001 | 0.070 | 0.430 | 0.11 | 0.047 | 0.040 | 0.080 | 0.090 | ||
| PHYTO | 0.98 | 0.290 | 0.716 | 0.23 | 0.050 | 0.278 | ||||||||
| DOM | 1.61 | 0.290 | 0.089 | 0.14 | 0.050 | 0.514 | ||||||||
| ZOO | 1.93 | 0.290 | 0.011 | 0.25 | 0.050 | 0.012 | ||||||||
| DIC Bulk respiration | FAST | 0.24 | 3.090 | 0.017 | ||||||||||
| PHYTO | 0.18 | − 0.540 | 0.605 | |||||||||||
| DOM | 0.26 | 0.140 | 0.887 | |||||||||||
| ZOO | ||||||||||||||
| Tracer C respiration | PHYTO | |||||||||||||
| DOM | 0.00 | 0.001 | 0.002 | 0.00 | 3.770 | 0.013 | 0.06 | |||||||
| ZOO | 0.23 | 0.055 | 0.003 | 0.06 | 3.110 | 0.264 | 1.00 | |||||||
| POC/PON release | POC bulk release | FAST | 0.03 | 0.013 | 0.062 | 1.00 | ||||||||
| PHYTO | 0.07 | 0.026 | 0.207 | 1.06 | ||||||||||
| DOM | 0.09 | 0.015 | 0.002 | 0.45 | ||||||||||
| ZOO | 0.21 | 0.060 | 0.002 | 3.78 | ||||||||||
| Tracer C release | PHYTO | 0.00 | 0.002 | 0.104 | 1.00 | 0.00 | 0.000 | 0.060 | 2.49 | |||||
| DOM | 0.00 | 0.001 | 0.440 | 0.69 | 0.00 | 0.000 | 0.419 | 1.00 | ||||||
| ZOO | 0.10 | 0.029 | 0.003 | 20.92 | 0.01 | 0.001 | 0.000 | 9.49 | ||||||
| PON bulk release | FAST | 0.01 | 0.011 | 0.240 | ||||||||||
| PHYTO | 0.07 | 0.014 | 0.728 | |||||||||||
| DOM | 0.04 | 0.014 | 0.054 | |||||||||||
| ZOO | 0.03 | 0.014 | 0.192 | |||||||||||
| Tracer N release | PHYTO | 0.00 | 0.000 | 0.000 | 1.00 | 0.00 | 0.000 | 0.000 | 0.18 | |||||
| DOM | 0.00 | 0.001 | 0.050 | 13.50 | 0.00 | 0.000 | 0.532 | 1.00 | ||||||
| ZOO | 0.02 | 0.004 | 0.000 | 102.70 | 0.00 | 0.001 | 0.003 | 3.06 | ||||||