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Title: Polje  
Author: World Heritage Encyclopedia
Language: English
Subject: Karst, Orjen, List of landforms, Republic of Poljica, Ombla
Collection: Karst, Landforms, Physical Geography
Publisher: World Heritage Encyclopedia


Livanjsko Polje in Bosnia is the largest polje in the world (Mount Dinara visible in the background).

A polje (; Serbo-Croatian: ), also karst polje or karst field,[1][2][3] is a large flat plain found in karstic geological regions of the world, with areas usually 5 to 400 km². The name derives from the Slavic languages and literally means "field", where in English "polje" describes specifically as karstic plain or field as explained previously.

In geology

A polje, in geological terminology,[4] is a large, flat-floored depression within karst limestone, whose long axis develops in parallel with major structural trends and can become several miles (tens of kilometers) long. Superficial deposits tend to accumulate along the floor. Drainage may be either by surface watercourses (as an open polje) or by swallow holes (as a closed polje) or ponors. Usually, the ponors cannot transmit entire flood flows, so many poljes become wet-season lakes. The structure of some poljes is related to the geological structure, but others are purely the result of lateral dissolution and planation. The development of poljes is fostered by any blockage in the karst drainage.[4]

A polje or karst polje covers the flatbottomed lands of closed basins[4] which may extend over large areas, up to 1,000 km². The flat floor of a polje may consist of bare limestone, of a nonsoluble formation (as with rolling topography), or of soil. A polje typically shows complex hydrogeological characteristics such as exsurgences, estavelles, swallow holes, and lost rivers. In colloquial use, the term "polje" designates flat-bottomed lands which are overgrown or are under cultivation. The Dinaric Karst has many poljes.[4]

They are mostly distributed in subtropical and tropical latitudes but some also appear in temperate or, rarely, boreal regions. Usually covered with thick sediments, called "terra rossa", they are used extensively for agricultural purposes.

Some poljes of the Dinaric Alps are inundated during the rainy winters and spring seasons as masses of water called izvor or vrelo appears at the margins. The water disappears through shafts called ponor.

Prominent karst poljes are Livanjsko polje (about 60km long and 7km wide), Glamočko Polje, Grahovsko Polje, Drvarsko Polje, Duvanjsko Polje, Kupreška Visoravan (Kupres Highlands), Popovo Polje, Dabarsko Polje, Nevesinjsko Polje and Gatačko Polje in Bosnia and Herzegovina; Logatec, Planina, and Cerknica Polje in Slovenia; Nikšićko Polje in Montenegro; Ličko Polje in Lika, Croatia.

The term and its origin

The term has is synonymous with interior valley. The word itself can be found in a number of languages including: French, German, Greek, Italian, Spanish and Turkish (which uses polye). The word polje itself is of Slavic origin (best known as the root for the country Poland - Polska from the Polish word pole). English borrows polje directly from the South Slavic languages Bosnian, Croatian, Serbian, and Slovene. The equivalent in neighbouring Macedonian and Bulgarian is pole, and in Russian it is polye.[4]


  1. ^ Price, V. N. 2011. The Orphaned Land: New Mexico's Environment Since the Manhattan Project. Albuquerque: University of New Mexico Press, p. 167.
  2. ^ Weber, Rudolf O. et al. 1997. "20th-Century Changes of Temperature in the Mountain Regions of Central Europe." In Henry F. Diaz et al. (eds.), Climatic Change at High Elevation Sites, pp. 327–344. Dordrecht: Kluwer, p. 329.
  3. ^ White, William Blaine, & David C. Culver (eds.). 2012. Encyclopedia of Caves. Waltham, MA: Academic Press, p. 443.
  4. ^ a b c d e "Glossary of Cave and Karst Terms" (letter "P"),, 2009, webpage: Spelio-gloss-P.
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