Author/Editor		Smolar-Žvanut, Nataša; Krušnik, Ciril; Kosi, Gorazd; Vrhovšek, Danijel
Title		Rational water management of the Mediterranean Rižana river - the importance of an ecologically acceptable flow
Type		članek
Source		In: Conference abstracts of the 20th conference of the Danubian countries on hydrological forecasting and hydrological bases of water management; 2000 Sep 4-8; Bratislava. 1st ed. Braislava: Slovak hydrometeorological institute,
Publication year		2000
Volume		str. 1-7
Language		eng
Abstract		In the period from 1995 to 1997, alist of all water users and an inventory of polluters were made. Hydrological and biological analyses were carried out for the Rižana river - from its source to its mouth. The river ecosystem was evaluated according to analyses of periphytyc algae and macroinvertebrates in different hydrological habitats. Changes in diversity of macroinvertebrates, in diversity of periphytic algae, and in biomass were established, and attributed to water abstraction and river pollution. In order to maintain the ecological balance an ecologically acceptable flow (EAF) was determined according to the ecological method for summer months.
Descriptors		FRESH WATER WATER POLLUTANTS ECOSYSTEM ALGAE INVERTEBRATES QUALITY CONTROL BIOMASS