Table 1.
Sum for each lipophilic toxins group in bivalve mollusks from Bahía de La Paz and Ensenada de La Paz, in 2015. In bold, concentrations ≥ 10 to μg/Kg. Dp = Dosinia ponderosa; Ms = Megapitaria squalida; Am = Atrina maura; – = It was not possible to sample; * = No toxins detected; ■ = Species not present on this site.
| Month. | Site | OA | DTX | PTX | YTX | AZA | SPX | GYM | PnTX | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dp | Ms | Am | Dp | Ms | Am | Dp | Ms | Am | Dp | Ms | Am | Dp | Ms | Am | Dp | Ms | Am | Dp | Ms | Am | Dp | Ms | Am | ||
| J | S3 | 0.5 | * | 0.05 | 3.3 | 0.02 | 0.3 | 0.3 | 5.3 | ||||||||||||||||
| S4 | 0.5 | 0.05 | 0.05 | 5.3 | 0.01 | 0.1 | 0.1 | 6.8 | |||||||||||||||||
| F | S2 | 0.4 | – | * | * | 0.01 | * | 0.30 | * | – | * | 0.18 | * | 1.7 | * | * | 0.1 | ||||||||
| S3 | 0.5 | * | 0.1 | 3.9 | 0.02 | 0.2 | 0.22 | 6.32 | |||||||||||||||||
| S4 | 0.8 | * | 0.02 | 5.7 | 0.01 | 0.1 | 0.07 | 11.1 | |||||||||||||||||
| M | S1 | 2.0 | 3.3 | 0.7 | 0.7 | 2.1 | 3.3 | * | * | * | * | * | 1.2 | * | 5.7 | 7.5 | 6.9 | ||||||||
| S2 | 0.9 | – | * | – | * | – | * | – | 0.9 | – | * | – | * | – | 0.8 | – | |||||||||
| S3 | 1.7 | * | 8.2 | 2.7 | * | 0.7 | 0.6 | 5.1 | |||||||||||||||||
| S4 | 2.6 | * | 0.4 | * | * | * | * | 5.8 | |||||||||||||||||
| A | S1 | 1.7 | 4.2 | * | * | * | * | * | * | * | * | * | * | * | * | 0.9 | – | ||||||||
| S2 | 1.0 | – | * | – | * | – | * | – | * | – | * | – | * | – | 0.8 | – | |||||||||
| S3 | 1.5 | * | 1.5 | * | * | 2.3 | 1.2 | 7.7 | |||||||||||||||||
| S4 | 2.8 | * | * | * | * | * | * | 10.5 | |||||||||||||||||
| M | S1 | 2.6 | 4.3 | * | * | * | * | * | * | * | * | 3.0 | 2.6 | 10.2 | 5.8 | * | * | ||||||||
| S2 | 1.3 | – | * | – | * | – | * | – | * | – | 2.2 | – | 9.9 | – | 0.8 | – | |||||||||
| S3 | 1.9 | * | 0.1 | 7.3 | * | 1.5 | 1.1 | 4.5 | |||||||||||||||||
| S4 | 1.2 | * | 0.1 | 5.2 | * | 0.4 | * | 6.1 | |||||||||||||||||
| J | S1 | 3.5 | 3.4 | 0.9 | – | – | – | – | – | – | – | 3.3 | – | 10.8 | – | * | * | ||||||||
| S2 | 1.1 | – | – | – | – | – | – | – | – | – | 2.9 | – | 11.7 | – | 0.8 | – | |||||||||
| S3 | 4.2 | * | 0.4 | 9.5 | * | 0.9 | 0.8 | 4.5 | |||||||||||||||||
| S4 | 3.5 | * | * | 22.5 | * | 0.6 | 0.5 | 6.1 | |||||||||||||||||
| J | S2 | 0.9 | – | * | – | * | – | 0.5 | – | – | – | 1.7 | – | 24.9 | – | 0.8 | – | ||||||||
| S3 | – | * | * | 5.8 | * | 0.9 | 0.9 | 4.9 | |||||||||||||||||
| S4 | 3.5 | * | * | 7.3 | * | 0.1 | – | 12.6 | |||||||||||||||||
| A | S2 | 1.0 | – | * | – | * | – | * | – | * | – | 1.4 | – | 7.5 | – | 0.8 | – | ||||||||
| S3 | 1.7 | * | * | 13.0 | * | 0.5 | 0.8 | 6.6 | |||||||||||||||||
| S4 | 2.6 | * | * | 4.1 | * | 0.1 | * | 10.7 | |||||||||||||||||
| S | S2 | 1.6 | 1.2 | * | * | * | * | * | * | * | * | 1.7 | 0.8 | 15.5 | 26.2 | 0.8 | 0.8 | ||||||||
| S3 | 5.0 | 0.9 | * | 11.9 | * | 0.5 | 12.6 | 9.4 | |||||||||||||||||
| S4 | 1.9 | * | * | 14.5 | * | 0.1 | 5.6 | 10.4 | |||||||||||||||||
| S5 | – | 1.8 | – | 0.8 | – | * | – | * | – | * | – | 1.3 | * | 23.2 | – | 2.2 | |||||||||
| O | S2 | 3.6 | – | 0.9 | – | * | – | 0.5 | – | – | – | 1.7 | – | 24.9 | – | 1.7 | – | ||||||||
| S3 | 6.3 | * | * | 8.2 | * | 1.1 | 11.3 | 12.3 | |||||||||||||||||
| S4 | * | * | * | 18.9 | 2.4 | * | 5.2 | 13.1 | |||||||||||||||||
| S5 | 1.1 | 1.3 | * | * | * | * | * | * | * | * | 2.0 | 0.8 | 19.0 | 35.4 | 2.3 | 0.9 | |||||||||