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  • Title: Limpets as bioindicators of element pollution in the coasts of Tenerife (Canary Islands).
    Author: Lozano-Bilbao E, Herranz I, González-Lorenzo G, Lozano G, Hardisson A, Rubio C, González-Weller D, Paz S, Gutiérrez ÁJ.
    Journal: Environ Sci Pollut Res Int; 2021 Aug; 28(31):42999-43006. PubMed ID: 34228306.
    Abstract:
    Currently, there is an increase in marine pollution around the world; the most affected areas are the coastal ones since on the coast is where anthropogenic pollution first acts. Therefore, it is important to have natural bioindicators as organisms that indicate us in the first instance of this pollution. The main objective of the present research is to determine if Patella aspera and Patella candei crenata show statistical differences in their element content in contaminated areas of the Island of Tenerife and to verify if limpets can be good bioindicators of marine pollution by trace elements and non-essential elements. A total of 160 limpets were taken from 4 slopes of the Island of Tenerife in the Canary Islands. The samples were analyzed using the ICP-OES to obtain results of essential trace elements (Cr, Cu, Fe, Li, Ni, and Zn) and non-essential elements (Al, B, Cd, Pb, and V). P. aspera showed a higher concentration of elements than P. candei crenata, and it was in the Buenavista locality where alarming values of Cd 0.658 ± 0.124 mg/kg were observed for P. aspera. These two limpet species have been found to be useful as bioindicators of marine pollution based on the concentrations of metals especially for Cd and Cu.
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