[Cadmium flow in soil-plant-animal system within the Copsa Mica area]
1997
Lacatusu, R. | Rauta, C. | Kovacsovics, Beatrice | Lungu, Mihaela | Carstea, S. (Institutul de Cercetari pentru Pedologie si Agrochimie, Bucuresti (Romania)) | Avram, N. | Medrea, N. (Institutul National de Medicina Veterinara "Pasteur", Bucuresti (Romania))
The daily emissions from the metallurgical factory in Copsa Mica cause a severe environmental pollution with heavy metals. The mean accumulation values of cadmium have been recorded in soil up to levels higher than the maximum allowable limit for the total and mobile forms (up to 2.3 and 3.4 times, respectively). The high mobility of cadmium in soil and the deposition of particles loaded with this element caused the cadmium concentration in and on plants up to 15 times higher that the normal content range. The global pollution of the area has contributed to the animal condition alteration, cases of saturnism, hepato-renal dystrophy, toxic abortion, etc. being recorded. The cadmium concentration in the cattle body reached values higher than the normal contents, up to 9 (kidney), 9 (liver), 12 (long bone) and 4 (milk) times. The translocation speed of cadmium from plants and from soil into animal body is 18 and 11 times, respectively, higher in the Copsa Mica area than in a non-polluted area, and the elimination of cadmium from the animal body on soil is 17 times higher.
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