FN Archimer Export Format
PT J
TI Métaux traces dans les sédiments d'une lagune méditerranéenne : l'étang de Thau
OT Trace-metals in thau lagoon sediments (french mediterranean coast)
BT 
AF PENA, G
   PICOT, B
AS 1:;2:;
FF 1:;2:;
C1 FAC PHARM MONTPELLIER,DEPT SCI ENVIRONM & SANTE PUBL,CNRS,URA 1355,F-34060 MONTPELLIER,FRANCE
C2 FAC PHARM MONTPELLIER,DEPT SCI ENVIRONM & SANTE PUBL,CNRS,URA 1355,F-34060 MONTPELLIER,FRANCE
IF 0.662
TC 25
UR https://archimer.ifremer.fr/doc/00101/21270/18881.pdf
LA French
DT Article
DE ;SEDIMENTS;HEAVY METALS;MEDITERRANEAN LAGOON;POLLUTION
AB Analyses of mineralogy, granulometry and chemistry - aluminium,cadmium, chromium, copper, iron, lead, manganese, mercury, nickel, zinc, organic carbon, total nitrogen and phosphorus - are carried out in a Mediterranean lagoon: Etang de Thau. Shell-fish breeding and tourism make the Thau basin an important place for studying the impact of pollution within a lagoon environment. The spatial distribution of the metallic elements is related to the fine fraction (< 63-mu-m) and to the organic matter concentration of the sediment. Multivariate analysis gives a global picture of the incidence of micropolluants. It reveals a boarder zone poor in metals and organic matter which is greatly eroded by the bottom current. Several zones in the north and centre of the lagoon are highly contaminated areas with important organic matter and very fine particle content. Analyses of the two fractions of sediments - fraction below 2 mm and 63-mu-m - and depth profile studies demonstrate the natural origin of aluminium, chromium, iron, manganese, mercury and nickel, and the anthropic input of cadmium, copper. lead and zinc into the lagoon. The conclusion drawn is that monitoring and control of the quality of the sediment are important if the Thau lagoon is to remain a suitable area for shell-fish breeding.
PY 1991
SO Oceanologica Acta
SN 0399-1784
PU Gauthier-Villars
VL 14
IS 5
UT A1991GU51300003
BP 459
EP 472
ID 21270
ER

EF