Table 5: List of symbols, definition and units.

From: Heterotrophy promotes the re-establishment of photosynthate translocation in a symbiotic coral after heat stress

SymbolDefinition (unit)
CCarbon
CCAmount of carbon used by calcification (μg C cm−2 h−1)
CHARPercentage of heterotrophic carbon contributing to the respiration of the host (%)
CchaseAtom percent of 13C in the non-enriched incubation medium (equal to 1.1%)
CincAtom percent of 13C in the enriched incubation medium (%)
CLAutotrophic carbon lost (μg C cm−2 h−1 or %)
CmeasAtom percent of 13C measured in the enriched samples (%)
CnatNatural atom percent of 13C in non-enriched nubbins (%)
CpulseAtom percent of 13C in the enriched incubation medium (equal to 23.5%)
CRPercentage of autotrophic carbon remaining in symbionts or host tissue (%)
CTFControl temperature and fed corals
CTUControl temperature and unfed corals
CTARPercentage of autotrophic carbon contributing to the respiration of the host (%)
CZARPercentage of autotrophic carbon contributing to the total respiration of the holobiont (%)
FSW0.45 μm-filtered seawater
HCHeterotrophic carbon grazing rate (μg C cm−2 h−1)
HTFHigh temperature and fed corals
HTUHigh temperature and unfed corals
MCMass of carbon per milligram of host tissue or symbionts (μg mg−1)
MsampleMass of the freeze-dried sample (mg)
MSkAmount of CaCO3 produced by calcification (μg CaCO3 cm−2 h−1)
PCAmount of autotrophic carbon fixed by gross photosynthesis (μg C cm−2 h−1)
PgOxygen produced by gross photosynthesis (μmol O2 cm−2 h−1)
PnOxygen produced by net photosynthesis (μmol O2 cm−2 h−1)
PQPhotosynthetic quotient (equal to 1.1 mol O2:mol C)
ROxygen consumed by respiration of holobiont (μmol O2 cm−2 h−1)
RCAmount of carbon respired by holobiont (μg C cm−2 h−1)
RHAmount of carbon respired by coral host (μg C cm−2 h−1)
RQRespiratory quotient (equal to 0.8 mol C: mol O2)
RSAmount of autotrophic carbon respired by symbionts (μg C cm−2 h−1)
SNubbin surface area (cm2)
TSAutotrophic carbon translocated from symbionts to their host (μg C cm−2 h−1or %)
tchaseIncubation time of the nubbins in the non-enriched medium in the light (equal to 24 h)
tpulseIncubation time of the nubbins in the enriched medium (equal to 5 h)
ρDOCAmount of autotrophic carbon lost in released dissolved organic carbon (μg C cm−2 h−1)
ρHAmount of autotrophic carbon incorporated in the coral host (μg C cm−2 h−1)
ρPOCAmount of autotrophic carbon lost in released particulate organic carbon (μg C cm−2 h−1)
ρSAmount of autotrophic carbon incorporated in the symbionts (μg C cm−2 h−1)