Wplyw wybranych rozpuszczalnikow organicznych na aktywnosc mikroorganizmow glebowych

• Autorzy: Klimkowicz-Pawlas A. , Maliszewska-Kordybach B.

Warianty tytułu

EN

Effect of the selected organic solvents on the activity of soil microorganisms

• Języki publikacji: PL

Abstrakty

PL

W badaniach ekotoksykologicznych mających na celu ocenę oddziaływania stałych hydrofobowych substancji organicznych niezbędne jest stosowanie rozpuszczalników organicznych, które ze swej strony mogą wpływać na aktywność biologiczną gleb. Oceniono oddziaływanie dwóch powszechnie stosowanych rozpuszczalników (aceton i dichlorometan) na ogólną i specyficzną aktywność mikroorganizmów glebowych w zróżnicowanych warunkach eksperymentalnych.

EN

The aim of the study was to evaluate the effect of organic solvents, commonly used in ecotoxicity studies on the activity of soil microorganisms. Two solvents, often applied in the studies of the effects of hydrophobic organic contaminants in the environment, acetone and dichloromethane, were employed in the experiments. The evaluation of the effects of the solvents was based on the measurements of two parameters describing the overall activity of soil microorganisms (activity of dehydrogenases) and the activity of the specific group of nitrification bacteria (potential of nitrification). The experiments included different laboratory conditions (soil material properties, time of contact, methods of solvent amendment). The results show that the solvents introduced to soils in the amount commonly used in the ecotoxicity studies (10-20 cm3 kg-1) may inhibit the activity of soils microorganisms: the effect was particularly visible in the case of potential of nitrification determinations. Employment of the method of gradual application of the solvents to soils led to significant decrease of those negative effects.

Słowa kluczowe

PL

badania ekotoksykologiczne; mikroorganizmy glebowe; rozpuszczalniki organiczne; gleby; aktywnosc biologiczna; warunki eksperymentalne

EN

ecotoxicological research; soil microorganism; organic solvent; soil; biological activity; experimental condition

• Wydawca: -
• Czasopismo: Roczniki Państwowego Zakładu Higieny
• Rocznik: 2008
• Tom: 59
• Numer: 1
• Opis fizyczny: s.83-96,rys.,tab.,bibliogr.

Twórcy

autor

Klimkowicz-Pawlas A.

• Instytut Uprawy, Nawozenia i Gleboznawstwa - Panstwowy Instytut Badawczy, ul.Czartoryskich 8, 24-100 Pulawy

autor

Maliszewska-Kordybach B.

Bibliografia

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