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Hydrochemistry of mediterranean temporary ponds and associated groundwater in SW Portugal
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Under the project LIFE Charcos we aim to understand the influence of groundwater in the water balance and hydrochemistry of Mediterranean Temporary Ponds, located in Costa Sudoeste in Portugal, to explain the variations observed in biodiversity between ponds. This paper represents a first step for establishing a relationship between the chemical composition of the ponds waters and the chemical composition of its associated groundwater. Most of the sampled waters are circum-neutral with very low mineralization (TDS < 1000 mg/L) and show varied composition. In the north of the Costa Sudoeste the ponds waters are mostly of sodium-chloride type and have mixed composition at south. During the ongoing project surface water and groundwater samples will continue to be collected and results will be updated. (C) 2017 Published by Elsevier B.V.This is an open access article under the CC BY-NC-ND license.
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Elsevier Science Bv