Table 1.
Summary results including ingested plastic loads of the examined fairy and slender-billed prions, median (x̃) and interquartile range (IQR) of metal(loid) concentration in the birds’ livers (mg/kg of dry mass). Concentration data for some metal(loid)s from one fairy prion were excluded.
| Species | Plastic | N Bird | N Plas ± SD | Mass Plas (mg) ± SD | Al | Cr | Mn | Fe | Co | Ni | Cu | Zn | As | Cd | Pb |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fairy prion | No | 19 | 0 | 0 | x̃ = 251.3 IQR = 145.4–552.8 | x̃ = 1.1 IQR = 1.0–2.3 | x̃ = 16.6 IQR = 13.4–32.7 | x̃ = 3671.2 IQR = 2414.8–4355.2 | x̃ = 0.4 IQR = 0.3 – 1.0 | x̃ = 1.1 IQR = 0.6–1.5 | x̃ = 32.2 IQR = 26.1–46 | x̃ = 210.3 IQR = 196.5–242.7 | x̃ = 33.4 IQR = 21.5–42.4 | x̃ = 17.1 IQR = 10.6–29.7 | x̃ = 251.3 IQR = 145.4–552.8 |
| Fairy prion | Yes | 7 | 1.3 ± 0.5 | 26.0 ± 19.8 | x̃ = 195.7 IQR = 56.5–365.3 | x̃ = 1.2 IQR = 0.7–1.8 | x̃ = 17.1 IQR = 10–28.1 | x̃ = 2243.5 IQR = 1099.7–3593.9 | x̃ = 0.4 IQR = 0.2–1.0 | x̃ = 0.9 IQR = 0.3–1.6 | x̃ = 31.8 IQR = 30–53.7 | x̃ = 232.7 IQR = 198.5–293 | x̃ = 30.9 IQR = 15.6–44.5 | x̃ = 22.1 IQR = 13.1–37.9 | x̃ = 195.7 IQR = 56.5–365.3 |
| Fairy prion | Total | 26 | 0.3 ± 0.6 | 0.6 | x̃ = 243.6 IQR = 105.8–506 | x̃ = 1.1 IQR = 1.0–2.3 | x̃ = 16.9 IQR = 11.3–33.8 | x̃ = 3284.5 IQR = 2281.4–4355.3 | x̃ = 0.4 IQR = 0.3–1 | x̃ = 1.1 IQR = 0.5–1.6 | x̃ = 32.0 IQR = 26.5–47.8 | x̃ = 222.7 IQR = 196.1–266 | x̃ = 32.1 IQR = 18.2–43.5 | x̃ = 18.3 IQR = 10.8–30.8 | x̃ = 243.6 IQR = 105.8–506 |
| Slender-billed prion | No | 11 | 0 | 0 | x̃ = 217.7 IQR = 172.2–482.2 | x̃ = 1.7 IQR = 1.0–1.9 | x̃ = 19.5 IQR = 12.3–37.2 | x̃ = 4688.1 IQR = 2747–7175.7 | x̃ = 0.4 IQR = 0.3–0.7 | x̃ = 0.6 IQR = 0.4–1.1 | x̃ = 40 IQR = 32.9–46 | x̃ = 277 IQR = 248.1–322.8 | x̃ = 23.2 IQR = 17.8–32.4 | x̃ = 39.9 IQR = 33.1–55.2 | x̃ = 217.7 IQR = 172.2–482.2 |
| Slender-billed prion | Yes | 14 | 4.9 ± 4.0 | 74.8 ± 108.5 | x̃ = 91.7 IQR = 85–118.4 | x̃ = 0.9 IQR = 0.7–1.2 | x̃ = 13.3 IQR = 10.5–15.1 | x̃ = 2269.9 IQR = 1625.4–3166.4 | x̃ = 0.3 IQR = 0.2–0.4 | x̃ = 0.8 IQR = 0.5–1.4 | x̃ = 44.3 IQR = 38.3–52.3 | x̃ = 329.2 IQR = 264–370.5 | x̃ = 27.9 IQR = 19.8–40.7 | x̃ = 63.9 IQR = 46.6–77.1 | x̃ = 91.7 IQR = 85–118.4 |
| Slender-billed prion | Total | 25 | 2.8 ± 3.9 | 4.9 | x̃ = 120.5 IQR = 87.4–191.9 | x̃ = 1.2 IQR = 0.7–1.8 | x̃ = 13.7 IQR = 11.2–22.3 | x̃ = 2880.4 IQR = 2075–5441.7 | x̃ = 0.3 IQR = 0.2–0.5 | x̃ = 0.7 IQR = 0.5–1.1 | x̃ = 41 IQR = 35.8–49.8 | x̃ = 284.3 IQR = 253.5–354.2 | x̃ = 26.5 IQR = 19.1–38.3 | x̃ = 61.2 IQR = 35.1–72.2 | x̃ = 120.5 IQR = 87.4–191.9 |