Preliminary Report on Diel Changes in Dissolved Oxygen Concentration in Filamentous Green Algal Mats in Littoral Zone of Lake Biwa

Preliminary Report on Diel Changes in Dissolved Oxygen Concentration in Filamentous Green Algal Mats in Littoral Zone of Lake Biwa

During the summer time (June - August) of 1994 and 1995, filamentous green alga Spirogyra sp. largely dominated the littoral zone in the north basin of Lake Biwa. Algal mats which were mainly composed of Spirogyra had a thickness of over 20 cm. Diel changes in dissolved oxygen concentra-tion were me...

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Veröffentlicht in:Japanese Journal of Limnology (Rikusuigaku Zasshi) 1998/06/01, Vol.59(2), pp.207-213
Hauptverfasser: NOZAKI, Kentaro, MITSUHASHI, Hiromune, TUJI, Akihiro
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Freshwater
Spirogyra
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container_title Japanese Journal of Limnology (Rikusuigaku Zasshi)
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creator NOZAKI, Kentaro
MITSUHASHI, Hiromune
TUJI, Akihiro
description During the summer time (June - August) of 1994 and 1995, filamentous green alga Spirogyra sp. largely dominated the littoral zone in the north basin of Lake Biwa. Algal mats which were mainly composed of Spirogyra had a thickness of over 20 cm. Diel changes in dissolved oxygen concentra-tion were measured in the Spirogyra community to predict the effect of Spirogyra growth on the lake's littoral ecosystem. A decrease in dissolved oxygen concentration was clearly observed at night. It was suggested that the reduction in dissolved oxygen concentration by the Spirogyra community had a harmful influence on other organisms at this study site.
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source J-STAGE (Japan Science & Technology Information Aggregator, Electronic) Freely Available Titles - Japanese
subjects Freshwater
Spirogyra
title Preliminary Report on Diel Changes in Dissolved Oxygen Concentration in Filamentous Green Algal Mats in Littoral Zone of Lake Biwa
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