Abstract
In order to find out the environmental impact on the coastal zone, the composition of sediments of the intertidal geothermal hot spring zone and adjacent area of Playa Santispac in the pristine Bahía Concepción (Baja California peninsula) was studied. High concentrations of As (13–111 mg kg−1) and Hg (0.55–25.2 mg kg−1) were found in the sediments of the geothermal sources. Arsenic and Hg concentrations decrease rapidly in the adjacent small mangrove lagoon sediments and reach background levels (0.7–2.6 mg kg−1 and 6–60 μg kg−1 respectively) in the marine sediments collected in front of Playa Santispac.
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Leal-Acosta, M.L., Shumilin, E., Mirlean, N. et al. Arsenic and Mercury Contamination of Sediments of Geothermal Springs, Mangrove Lagoon and the Santispac Bight, Bahía Concepción, Baja California Peninsula. Bull Environ Contam Toxicol 85, 609–613 (2010). https://doi.org/10.1007/s00128-010-0135-5
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DOI: https://doi.org/10.1007/s00128-010-0135-5