Wpływ pyłów kadmowo-cynkowych na aktywność wybranych enzymów glebowych
Effect of cadmium-zinc dustson the activity of various soil enzymes
Autorzy
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Grażyna Olszowska
Instytut Badawczy Leśnictwa, Zakład Ekologii Lasu, Sękocin Stary
ul. Braci Leśnej 3, 05-090 Raszyn
Tel. +48 22 7150408, fax +48 22 7150507, e-mail: G.Olszowska@ibles.waw.pl
Abstrakt
The reaction of chosen soil enzymes to increased level of soil contamination with cadmium-zinc dust on research plots in the Niepolomice Forest was investigated. Investigations of soil acidity (pH) and amount of organic carbon were carried out at the same time. Introducing cadmium-zinc dust initiated the process of soil alkalisation. Activity of investigated enzymes differed: invertase was largely unaffected but betaglucosydase was inhibited by high doses of applied dusts (over 1000 t/km2/year). Lower activities of urease, asparginase and acid phosphotase were observed on research plots with high doses of zinc dust.
All doses of introduced cadmium-zinc dust caused significant reduction of dehydrogenase activity to 80-95% compared to the control.
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