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    STUDIA BIOLOGIA - Issue no. 1 / 2007  
         
  Article:   THE QUALITATIVE ENZYMATIC ACTIVITY OF GILAU AND TARNITA DAM RESERVOIR SEDIMENT.

Authors:  MANUELA-CLAUDIA CURTICĂPEAN, MIHAIL DRĂGAN-BULARDA. 		 
       
         
  Abstract:  The enzymological studies on the sediment of the accumulation lake that has the main purpose of supplying drinking water to the city of Cluj-Napoca, were aimed at the comprehensive understanding of the complex processes that happen in these habitats of special significance. In the sediment samples, the following enzymatic activities have been qualitatively determined: maltase, saccharase, lactase, cellobiase, amylase, dextranase, levanase, cellulase and inulinase. Seven sediment samples were collected seasonally, from different sites. The qualitative enzymatic activities have a uniform behavior without big differences from one season to another, and from one year to another. One can observe that not all activities have detectable values for the analyzed sediment samples. There were used the statistical chi-square test (χ2) to emphasize the presence of some correlations between the enzymatic activities from sediment sections of the Gilau and Tarnita dam reservoirs.  
         
     
         
         
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