Data were collected at three different type specific sites situated at upper, middle and low part of the Mesta River. Physico-chemical data (oxygen concentration and water temperature) were taken in three seasons (spring, summer and autumn) during 2011 and 2012.

The data is amount of oxygen and water temperature of Srebarna Lake for three months (May, August and November) in six stations in the lake. The oxygen was measured as (mg/L) and (%).

Average values along the water column of dissolved oxygen collected in the Lake Bidighinzu

This data set comprises vertical profile data measured by an YSI probe at the deepest site of Lake Mondsee in 2015.