Piotr Daniszewski, Activity of Total Alkaline Phosphatase in Water of the Barlinek Lake, ILCPA  Volume 1, International Letters of Chemistry, Physics and Astronomy (Volume 1)
https://www.scipress.com/ILCPA.1.13
Abstract:
    To estimate differentiation of activity of total alkaline phosphatase in water of the Barlinek lake, in time April - October of 2008. Studies upon water revealed that, among the zones analyzed, upper sublittoral layer was characterized by the highest phosphatase activity. From the analysis of seasonal oscillations it follows that activity maximum for alkaline phosphatase, both in water, occurred in spring (May) and summer (July).
Keywords:
    Barlineckie Lake, Phosphorus, Total Alkaline Phosphatase Activity, Water