The usefulness of polyethylene bags in experiments for water enrichment with inorganic compounds

Woroniecka, Urszula

doi:ISSN 0420-9036

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The usefulness of polyethylene bags in experiments for water enrichment with inorganic compounds Woroniecka, Urszula

Struktura obiektu

The usefulness of polyethylene bags in experiments for water enrichment with inorganic compounds

Polyethylene bags in water enrichment experiments

Woroniecka, Urszula

Polska Akademia Nauk. Instytut Ekologii

Polish Scientific Publishers

Warszawa

1986-1987

Pages 111-124 : illustrations ; 24 cm ; Bibliographical references (pages 123-124) ; Abstract in Polish

Journal/Article

lake ; enrichment experiment ; nutrients ; phytoplankton ; primary production

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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