2024-03-28T21:59:58Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/106502009-11-15T23:00:00Zcom_10261_5062com_10261_5col_10261_5064
DIGITAL.CSIC
author
Gómez-Gutiérrez, Anna I.
author
Garnacho, Eva
author
Bayona Termens, Josep María
author
Albaigés Riera, Joan
2009-02-13T09:32:21Z
2009-02-13T09:32:21Z
2007-02-07
Environmental Pollution 148(2): 396-408 (2007)
0269-7491
http://hdl.handle.net/10261/10650
10.1016/j.envpol.2006.12.012
A compilation of information about levels of selected persistent organic pollutants, namely polychlorinated biphenyls (PCBs), dichlorodiphenyltrichloroetane and its degradation products (DDTs) and hexachlorobenzene (HCB), in Mediterranean sediments, including data published from 1971 to 2005, has been conducted in order to assess their main drivers and pressures in the environment. The application of mapping tools
GIS) and statistical instruments enabled the assessment of geographical and temporal trends. Chemical contamination mainly originates from
land-based sources, and decreases significantly when moving off-shore. Contamination hot spots are generally located along the Northern coastline. The data for open sea sediments enabled the establishment of background levels of contamination for the region. A decreasing temporal trend in concentrations was found, more evident in the case of DDTs probably due to a more efficient regulation of this chemical. Finally, some gaps in reliable data were also identified which were related to the lack of information in the southern and eastern parts of the Mediterranean as well as the variety of analytical methodologies used.
Key information for policy decision makers is provided on the levels of certain POPs in Mediterranean sediments.
eng
closedAccess
Polychlorinated biphenyls
Dichlorodiphenyltrichloroetane
Hexachlorobenzene
Sediments
Mediterranean Sea
Contamination hot spots
Background levels
Temporal trends
Drivers and pressures
Assessment of the Mediterranean sediments contamination by persistent organic pollutants
artículo
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