engleski

Importance of alkaline phosphatase in the northern Adriatic Sea.

Northern Adriatic waters are poor in PO4, and DOP usually contributes more than 80% of the phosphorus pool. During 2004 APA was measured in these waters to establish if microbial communities use this enzyme to avoid phosphorus limitation. During the period of water column stratification APA in the upper 10 m was high (up 6.6 &#956; mol L&#8722; 1 h&#8722; 1) and correlated with microbial biomass, indicating that microbes used alkaline phosphatase to avoid PO4 limitation. During the period of water column mixing, APA was low everywhere (<0.2 &#956; mol L&#8722; 1 h&#8722; 1) and was not correlated with microbial biomass.

Adriatic Sea; Enzymes; Phosphorus

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