Factors affecting nutrient budget in lakes of the river Jorka watershed (Masurian Lakeland, Poland). 4. Heavy metals in recent lacustrine sediments.
1985
Tatur A. | Stasiak K.
Heavy metals were investigated in samples taken from four lakes. The increase in recent years of heavy metal content and mainly that of mercury was due, to a great extent, to man's activity. The major source of heavy metals found in surface sediments was motoring and theusing of mercury-containing plant protection agents.
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