Mobility versus retention of mercury in bare and salt marsh sediments of a recovering coastal lagoon (Ria de Aveiro, Portugal)

Mobility versus retention of mercury in bare and salt marsh sediments of a recovering coastal lagoon (Ria de Aveiro, Portugal)

During decades, mercury (Hg) was discharged into the Aveiro Lagoon. Twenty-five years after the cessation of discharges, sediment cores were collected at two areas to assess the evolution of the mercury contamination status. Vertical Hg profiles differed considerably between bare and vegetated sedim...

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Veröffentlicht in:Marine pollution bulletin 2018-10, Vol.135, p.249-255
Hauptverfasser: Oliveira, Vitor H., Coelho, J.P., Reis, A.T., Vale, C., Bernardes, C., Pereira, M.E.
Format: Artikel
Sprache:eng
Schlagworte:
Biodegradation, Environmental
Chenopodiaceae - physiology
Climate change
Contamination
Cores
Discharge
Environmental Monitoring
Erosion
Geologic Sediments - analysis
Halophytes
Historical account
History
Hydrology
Long-term monitoring
Mercury
Mercury (metal)
Mercury - analysis
Mobility
Natural attenuation
Portugal
Profiles
Retention
Saline water
Salt
Salt marshes
Salt-Tolerant Plants
Saltmarshes
Sediment
Sediments
Vertical profiles
Vulnerability
Water Pollutants, Chemical - analysis
Wetlands
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Beschreibung
Zusammenfassung:During decades, mercury (Hg) was discharged into the Aveiro Lagoon. Twenty-five years after the cessation of discharges, sediment cores were collected at two areas to assess the evolution of the mercury contamination status. Vertical Hg profiles differed considerably between bare and vegetated sediments. Bare sediments contained significantly less Hg (
ISSN:0025-326X
1879-3363
DOI:10.1016/j.marpolbul.2018.07.035