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Christiane Volkmann

Zur Bedeutung organischen Materials für Makrophyten in Küstengewässern der Ostsee

Universität Rostock, 2017

Abstract: Dissolved organic nitrogen as nutrient and its influence on the growth of macrophytes in the Darss-Zingst bodden chain (DZBC) was investigated with nitrogen stable isotopes analyses. The uptake of labile components of DON (e.g. amino acids) via above- and belowground plant parts was proven experimentally. DON concentrations were consistently high over a year, thus DON is available as nutrient in principal. The comparison of the delta15N values of macrophytes and DON has shown that DON is taken up in the field by macrophytes.

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