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  • Title: Imposex Incidence in Gastropod Species from Santa Marta Coastal Zone, Colombian Caribbean Sea.
    Author: Rodríguez-Grimon R, Campos NH, Castro ÍB.
    Journal: Bull Environ Contam Toxicol; 2020 Nov; 105(5):728-735. PubMed ID: 33079216.
    Abstract:
    Imposex is a phenomenon widely associated with environmental exposure to organotin compounds which were quite common components of antifouling paints applied on boats and ship hulls. Here we study the incidence of imposex in neogastropods and its relation with water quality and maritime traffic in the coastal strip of Santa Marta, Colombia. Imposex was determined via specialized indexes and related to the organisms' size, somatic conditions, variables of water quality and maritime traffic, in a space-time assessment. There was evidence of imposex in five species Plicopurpura patula, Vasula deltoidea, Stramonita haemastoma, S. floridana, and Gemophos auritulus. Purpura patula and Vasula deltoidea species were found in all sampling sites. The results have proved that imposex is highly influenced by the maritime traffic variable, with greater prevalence during the dry season, and with P. patula being more sensitive than V. deltoidea.
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