Table 2.
Values δ15N as N source proxies obtained from coral reef organisms in different localities
| Source | Organism | Average δ15N ‰ | Trend | δ15N ‰ | Location | Reference | |
|---|---|---|---|---|---|---|---|
| Mín. | Max. | ||||||
| Wastewater | Hermatypic coral | - | ↑ | +4.2 | +9.3 | Indopacific | Heikoop et al. (2000) |
| Hermatypic coral | +8.4 ±2.2 | ↑ | +4.2 | +14.0 | Sanur, Bali, Indonesia | Marion et al. (2005) | |
| Gorgonian | - | ↑ | +2.7 | +4.7 | Florida Reef Tract, Florida, E.U. | Ward-Paige et al. (2005) | |
| Seagrass | +9.1 | ↑ | - | - | Cancún, Quintana Roo, Mexico | Carruthers et al. (2005) | |
| Gorgonian | +7.5 ±0.3 | ↑ | +2 | +10 | FL, USA | Sherwood et al. (2010)* | |
| Gorgonian | +3.3 | ↑ | +2.2 | +4.3 | Akumal, Quintana Roo, Mexico | Baker et al. (2010) | |
| Hermatypic coral | +4.2 ±0.6 | ↑ | +2.8 | +5.8 | Puerto Morelos, Quintana Roo, Mexico | This study | |
| Precipitation | Seagrass | +0.55 | - | −1.83 | +3.02 | Cayo Coco, Cuba | González-De Zayas et al. (2011) |
| Macroalgas | +2.67 | - | +1.02 | +4.17 | |||
| Fertilizers | Hermatypic coral | +7.3 | ↓ | +15.1 | +3.5 | Lovina, Bali, Indonesia | Marion et al. (2005) |
| Fertilizers | Gorgonia | +3.8 | ↓ | +1.3 | +7.0 | Antilles, North Atlantic and Yucatan, Caribbean | Baker et al. (2013) |
| Upwelling | Hermatypic coral | 3.7 | ↑ | +0.8 | +8.3 | Okinotori, Japan | Yamasaki et al. (2011) |