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Yugoslavia: Drainage Systems
Country Study > Chapter 2 > The Society and Its Environment > Geography and Population > Drainage Systems


The Pannonian Plains are drained by the Danube and its four major tributaries, the Drava, Tisa (Hungarian spelling Tisza), Sava, and Morava. The Danube, extremely wide and deep at some points, varies greatly between high- and low-water seasons. The former is from March or April until May or June, the latter from mid-July to late October. The Danube also drains the interior highlands. The Vardar River and its tributaries drain the southeastern region into the Aegean Sea, and the Neretva drains the region into the Adriatic. The western alpine slopes parallel to the coast are drained into the Adriatic by surface and underground streams. Underground streams are formed when water seeps through the limestone of the alps into channels, then empties into the Adriatic below its surface.

Data as of December 1990

Last Updated: December 1990

Editor's Note: Country Studies included here were published between 1988 and 1998. The Country study for Yugoslavia was first published in 1990. Where available, the data has been updated through 2008. The date at the bottom of each section will indicate the time period of the data. Information on some countries may no longer be up to date. See the "Research Completed" date at the beginning of each study on the Title Page or the "Data as of" date at the end of each section of text. This information is included due to its comprehensiveness and for historical purposes.

Note that current information from the CIA World Factbook, U.S. Department of State Background Notes, Australia's Department of Foreign Affairs and Trade Country Briefs, the UK's Foreign and Commonwealth Office's Country Profiles, and the World Bank can be found on

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Section 37 of 208


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