Szukana fraza: [Abstrakt = "A 6\-day in situ water exposure in open 40\-l polyethylene bags did not show physico\-chemical deformations of the lake habitat. Phytoplankton production in bags was almost 50% lower in comparison with open lake water. Phytoplankton biomass and contribution of algal groups examined approximated in both environments. Six\-hour \(100 ml bottles, 40\-l bags\) and 6\-day \(40 l bags\) enrichment experiments \(in P, N or P and N together\) were conducted. The 14C assimilation by phytoplankton in variously enriched water depended on the duration of exposure in situ and the kind of enrichment."]

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