Keywords: Phosphorgehalt Zugersee.png Description Graph shows the concentration of phosphor in the Zugersee Lake of Zug annual average values in µg/l Source created by me with OpenOffice Calc/Draw and Inkscape based on http //www bfs admin ch/bfs/portal/de/index/themen/raum_und_umwelt/umweltzustand_und/umweltbereiche/kennzahlen0/wasser/phosphorgehalt_in_seen Document 20741 html data from the http //www umwelt-schweiz ch/ Swiss Agency for the Environment Forests and Landscape; Division for Water Protection; Section for Water Quality and Residual Flow Author Baikonur Baikonur Lake Zug |