Search

In order to define the analysis of water with regard to its nutritive salts content (nitrogen, phosphate, iron) when carrying out determinations on the spot a simple apparatus is described.

In den Jahren 1949 bis 1951 wurden 15 Bergseen in der Steiermark wahrend der Sommermonate untersucht.

The Austrian part of the river Danube of a length of about 360 km and its most important tributaries and by-waters have been hydrographically and biologically examined for several years. Due to the highwater and the melting of snow the quantity of water of the Alp-rivers changes very much and, therefore, the dissolved salts vary.