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We studied the potential role of dissolved inorganic carbon (DIC) in determining vegetation dominance of Potamogeton pectinatus L. and Chara aspera Deth. ex Willd. by monitoring the seasonal dynamics of DIC in a shallow lake and comparing the use of DIC of the two species. The HCO 3− -concentration in summer dropped from 2.5 to <0.5mM with seasonally increasing Chara biomass, whereas...
Two experiments were carried out to study the interaction between Chara aspera Deth. ex Willd. and Potamogeton pectinatus L. The purpose of the first experiment was to assess the effect of temperature on the rate of emergence and the second was designed to study the effect of light on the competition during the established phase. P. pectinatus tubers sprouted after about 4 days at 16°C and 9 days...
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