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Tarballs on the Brazilian coast in late 2022 sustain Lepas anatifera Linnaeus, 1758 (Crustacea: Cirripedia): occurrence and risk of petroleum hydrocarbon ingestion
Mello, L.C.; Nascimento, A.P.; Lopes, B.D.; Lima, A.D.F.; Bezerra, L.E.A.; Mendes, L.F.; Bastos, L.M.; Nossol, A.B.S.; Martins, M.M.; Martins, L.L.; Cavalcante, R.M. (2023). Tarballs on the Brazilian coast in late 2022 sustain Lepas anatifera Linnaeus, 1758 (Crustacea: Cirripedia): occurrence and risk of petroleum hydrocarbon ingestion. Sci. Total Environ. 896: 164981. https://dx.doi.org/10.1016/j.scitotenv.2023.164981
In: Science of the Total Environment. Elsevier: Amsterdam. ISSN 0048-9697; e-ISSN 1879-1026, meer
|  |
| Trefwoorden |
Lepas anatifera Linnaeus, 1758 [WoRMS]
Marien/Kust |
| Author keywords |
Oil spill; Tarballs; Biomonitors; Intake risk; Ecological risk |
| Auteurs | | Top |
- Mello, L.C.
- Nascimento, A.P.
- Lopes, B.D.
- Lima, A.D.F.
|
- Bezerra, L.E.A.
- Mendes, L.F.
- Bastos, L.M.
- Nossol, A.B.S.
|
- Martins, M.M.
- Martins, L.L.
- Cavalcante, R.M.
|
| Abstract |
Since the 2019 oil spill on the northeastern coast of Brazil, oil materials have washed up on the beaches. A characteristic of the recent oil spill that began in late August was that some of the oiled material, such as tarballs, contained the goose barnacle species Lepas anatifera (Cirripedia, Lepadomorpha), which is well-known for its cosmopolitan distribution and wide occurrence in the oceans. The findings of this study provide information on the occurrence and contamination of petroleum hydrocarbons in animals adhered to the surfaces of tarballs sampled from beaches in the Brazilian states of Ceará and Rio Grande do Norte, between September and November 2022. The size of the barnacles varied from 0.122 to 2.20 cm, suggesting that the tarballs had been floating in the ocean for at least a month. All groups of L. anatifera collected from the tarballs had polycyclic aromatic hydrocarbons (PAHs) present (∑21PAHs from 476.33 to 3816.53 ng g−1). In comparison to high-molecular-weight PAHs, which are primarily from pyrolytic sources, low-molecular-weight PAHs, such as naphthalene and phenanthrene, which are mostly related to petrogenic sources, were shown to be more abundant. In addition, dibenzothiophene, which is exclusive of petrogenic origin, was found in all samples (30.74–537.76 ng g−1). The aliphatic hydrocarbons (AHs): n-alkanes, pristane, and phytane were also found and displayed petroleum characteristics. These results highlight the danger of increasing the absorption of petrogenic PAHs and AHs by organisms that use tarballs as substrates. L. anatifera is a crucial component of the food chain because many animals such as crabs, starfish, and gastropods consume it. |
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