Assessment of crabs from Trindade, a Brazilian remote island: Support to marine studies
2022
Theophilo, Carolina Yume Sawamura | Ribeiro, Andreza Portella | Trevizani, Tailisi Hoppe | Majer, Alessandra Pereira | Montone, Rosalinda Carmela | Rakauskas, Felipe | de Arruda, Claudia Sonehara Cavalcanti | Moreira, Edson Gonçalves | Figueira, Rubens Cesar Lopes
Trindade is a remote island far from 1170 km of the Brazilian coast in the Atlantic Ocean, between South America and South Africa. The island has great biodiversity and scientific studies on the fauna and flora of Trindade are still scarce. Accordingly, since crustacean species of the island are also little known, this research features an unprecedented data set, which provides information on the level of potential toxic elements in two crab species: the Grapsus grapsus (herbivore) and the endemic species Gecarcinus lagostoma (omnivorous) which is in threatened status. Although Trindade has experienced contamination from human activities, mainly plastic debris, the element levels found in the samples suggest that there are no relevant inorganic sources into the island. Since minor and trace elements accumulated by marine invertebrates does not present a pattern behavior, our results can support other studies focused on the impact of global warming to the marine ecosystem.
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