Table 1.
Average (±SD) and range levels (μg/g fdw) of iodine, total arsenic, mercury, lead and cadmium
| No. samples | Iodine | Total arsenica | Mercury | Lead | Cadmium | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Average (± SD) | Range (min–max) | Average (± SD) | Range (min–max) | Average (± SD) | Range (min–max) | Average (± SD) | Range (min–max) | Average (± SD) | Range (min–max) | ||
| Phaeophyta (brown algae) | |||||||||||
| Saccharina latissima | 16 | 2,302.5 (1,098.18) | 333.0–4,782.2 | 38.324 (8.713) | 22.504–54.117 | 0.016 (0.005) | 0.007–0.023 | 0.257 (0.222) | 0.072–0.708 | 0.682 (0.216) | 0.231–0.966 |
| Fucus vesiculosus | 27 | 274.9 (75.87) | 137.8–451.2 | 28.379 (19.690) | 10.358–116.677 | 0.012 (0.007) | 0.003–0.042 | 0.897 (1.730) | 0.189–9.601 | 0.780 (0.372) | 0.299–1.969 |
| Fucus spiralis | 1 | 209.52 | – | 8.940 | – | 0.019 | – | 0.956 | – | 0.464 | – |
| Fucus evanescens | 1 | 394.16 | – | 14.084 | – | 0.008 | – | 0.506 | – | 0.520 | – |
| Fucus serratus | 14 | 366.46 (197.92) | 105.2–961.4 | 30.269 (9.579) | 21.457–56.277 | 0.009 (0.003) | 0.005–0.015 | 0.465 (0.177) | 0.236–0.865 | 1.044 (0.339) | 0.628–1.561 |
| Chlorophyta (green algae) | |||||||||||
| Ulva lactuca | 2 | 18.97 (2.52) | 17.2–20.8 | 3.399 (0.293) | 3.192–3.606 | 0.007 (0.002) | 0.005–0.008 | 0.078 (0.019) | 0.064–0.092 | 0.038 (0.030) | 0.0168–0.059 |
| Cladophora sp. | 1 | 140.27 | – | 7.069 | – | 0.007 | – | 1.447 | – | 0.782 | – |
SD: standard deviation.
a
Data on inorganic arsenic is in preparation.