Soil Water Chemistry as an Indicator of the Reproducibility of Artificially Contaminated Soil Mesocosms
2007
Etchebers, O. | Kedziorek, M. A. M. | Bourg, A. C. M.
The simulation of ecosystems by mesocosms might be affected by artefacts due to the scale reduction implied in such experiments. The physico-chemical properties of water leaching out of mesocosms made of only 50 kg of agricultural soil were measured to demonstrate that they constitute reproducible systems. The soils were artificially contaminated with lead, atrazine, benzo(a)pyrene and Phenochlor. Physico-chemical parameters (redox potential, conductivity, pH, dissolved oxygen) and major ions were monitored in the leachates for six months. Even though these changed with time, in each sampling campaign they were similar for all of the mesocosms despite possible independent development of microbial and biological activity.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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