Ecological assessment of water quality of the Tisza by physico-chemical and biological parameters
1994
Djukic, N. | Maletin, S.
Investigations during the period 1990-1992 showed disturbance of oxygen regime with evident minimum in the summer to occur in the River Tisza concurrently with a relatively high content of nutrients, mineral nitrogen particularly. Zoocenological analysis also pointed to increase in organic load. In plankton samples and bottom fauna and fish, the species being characteristic of eutrophic environment dominated. Therefore, a section of the River Tisza investigated is characterized by a rapid process of eutrophication
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