| Sample nr. | Seaweed Species | H+ Ions | pH | P3− [mg/l] | N-NH4 [mg/l] | (NO3 + NO2) [mg/l] | N-total [mg/l] | Sum nutrient (N & P) |
|
| Threshold | [mol/l] | X | 0.10 | 0.04 | 0.03 | 0.30 |
|
| 1) | Ulva lactuca | 0.64 | 5.06 | 0.00 | 0.00 | 0.01 | 0.20 | 0.21 |
|
|
| 0.17 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 2) | Caulerpa sertlaiodes | 1.66 | 4.19 | 0.02 | 0.02 | 0.86 | 1.00 | 1.90 |
|
|
| 0.02 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 3) | Caulerpa cf. Brach. | 2.65 | 4.51 | 0.79 | 0.02 | 14.10 | 14.70 | 29.61 |
|
|
| 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 4) | Undaria pinnatifidia | 4.12 | 6.51 | 0.01 | 0.04 | 0.01 | 0.20 | 0.26 |
|
|
| 0.07 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Sample nr. | Four Oceans | H+ Ions | pH | P3− [mg/l] | N-NH4 [mg/l] | (NO3 + NO2) [mg/l] | N-total [mg/l] | Sum nutrient (N & P) |
|
| Threshold | [mol/l] | X | 0.10 | 0.04 | 0.03 | 0.30 |
|
| 1) | Netherlands | 0.25 | 8.29 | 0.02 | 0.04 | 0.03 | 0.20 | 0.29 |
| 2) | Indonesia | 0.25 | 8.12 | 0.02 | 0.02 | 0.86 | 1.00 | 1.90 |
| 3) | Cuba | 0.25 | 8.11 | 0.79 | 0.02 | 14.10 | 14.70 | 29.61 |
| 4) | Ireland | 0.25 | 7.96 | 0.01 | 0.04 | 0.01 | 0.20 | 0.26 |
| Mean |
| 0.25 | 8.12 | 0.21 | 0.03 | 3.75 | 4.03 | 8.02 |
| Std |
| 0.13 | 0.13 | 0.39 | 0.01 | 6.91 | 7.13 | 14.42 |
| Sample nr. | Ratio seaweed/ocean | H+ Ions | pH | P3− [mg/l] | N-NH4 [mg/l] | (NO3 + NO2) [mg/l] | N-total [mg/l] | Sum nutrient (N & P) |
|
| Threshold | [mol/l] | X | 0.10 | 0.04 | 0.03 | 0.30 |
|
| 1) | Ulva/ocean | 7.32 | 0.61 | 0.05 | 0.03 | 0.33 | 1.00 | 1.41 |
|
|
| 0.02 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 2) | Caulerpa sert./ocean | 2.25 | 0.80 | 0.50 | 2.00 | 0.01 | 0.20 | 2.71 |
|
|
| 0.01 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 3) | Caulerpa brach./ocean | 1.34 | 1.02 | 0.03 | 2.00 | 0.00 | 0.01 | 2.04 |
|
|
| 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 4) | Undaria/ocean | 1.35 | 1.02 | 2.00 | 0.50 | 86.00 | 5.00 | 93.50 |
|
|
| 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |