The Pokljuka Plateau () is a forested

karst Karst () is a topography formed from the dissolution of soluble carbonate rocks such as limestone and Dolomite (rock), dolomite. It is characterized by features like poljes above and drainage systems with sinkholes and caves underground. Ther ...

plateau In geology and physical geography, a plateau (; ; : plateaus or plateaux), also called a high plain or a tableland, is an area of a highland consisting of flat terrain that is raised sharply above the surrounding area on at least one side. ...

at an elevation of around , located in the

Julian Alps The Julian Alps (, , , , ) are a mountain range of the Southern Limestone Alps that stretches from northeastern Italy to Slovenia, where they rise to 2,864 m at Mount Triglav, the highest peak in Slovenia. A large part of the Julian Alps is inclu ...

in northwestern

Slovenia Slovenia, officially the Republic of Slovenia, is a country in Central Europe. It borders Italy to the west, Austria to the north, Hungary to the northeast, Croatia to the south and southeast, and a short (46.6 km) coastline within the Adriati ...

. The plateau is known for its forests, mountain pastures (Javornik, Lipanca, Uskovnica, Zajamniki, etc.), and winter sports facilities. It is also a common starting point for mountain hikers. The yearly

Biathlon World Cup The Biathlon World Cup is a top-level biathlon season-long competition series. It has been held since the winter seasons of 1977–78 for men and 1982–83 for women. The women's seasons until 1986–87 season were called the European Cup, alt ...

meets are held at the

Pokljuka Biathlon Center The Pokljuka Plateau () is a forested karst plateau at an elevation of around , located in the Julian Alps in northwestern Slovenia. The plateau is known for its forests, pasture, mountain pastures (Javornik, Lipanca, Uskovnica, Zajamniki, etc ...

, west of the town of

Bled Bled (; ,''Leksikon občin kraljestev in dežel zastopanih v državnem zboru,'' vol. 6: ''Kranjsko''. 1906. Vienna: C. Kr. Dvorna in Državna Tiskarna, p. 146. in older sources also ''Feldes'') is a town on Lake Bled in the Upper Carniolan regio ...

( by car). Pokljuka is part of

Triglav National Park Triglav National Park (TNP; ) is the only national park in Slovenia. It was established in its modern form in 1981 and is located in the northwestern part of the country, respectively the southeastern part of the Alps, Alpine massif. Mount Trigla ...

. Administratively, it belongs to the

municipalities A municipality is usually a single administrative division having municipal corporation, corporate status and powers of self-government or jurisdiction as granted by national and regional laws to which it is subordinate. The term ''municipality' ...

, Bohinj, and Gorje. Many

beech Beech (genus ''Fagus'') is a genus of deciduous trees in the family Fagaceae, native to subtropical (accessory forest element) and temperate (as dominant element of Mesophyte, mesophytic forests) Eurasia and North America. There are 14 accepted ...

and

fir Firs are evergreen coniferous trees belonging to the genus ''Abies'' () in the family Pinaceae. There are approximately 48–65 extant species, found on mountains throughout much of North and Central America, Eurasia, and North Africa. The genu ...

trees were chopped down in the 18th century for the iron foundries in Bohinj. They have been naturally replaced mostly by spruce trees. Some

swamps A swamp is a forested wetland.Keddy, P.A. 2010. Wetland Ecology: Principles and Conservation (2nd edition). Cambridge University Press, Cambridge, UK. 497 p. Swamps are considered to be transition zones because both land and water play a role in ...

can also be found, which is not usual on such high plateaus.

Geography and geology

Pokljuka is built of thick

Upper Triassic The Late Triassic is the third and final epoch of the Triassic Period in the geologic time scale, spanning the time between Ma and Ma (million years ago). It is preceded by the Middle Triassic Epoch and followed by the Early Jurassic Epoch. T ...

limestone and dolomite that have been deeply dissolved by

groundwater Groundwater is the water present beneath Earth's surface in rock and Pore space in soil, soil pore spaces and in the fractures of stratum, rock formations. About 30 percent of all readily available fresh water in the world is groundwater. A unit ...

to produce a classic high-

landscape dotted with

sinkhole A sinkhole is a depression or hole in the ground caused by some form of collapse of the surface layer. The term is sometimes used to refer to doline, enclosed depressions that are also known as shakeholes, and to openings where surface water ...

s, enclosed depressions and small blind valleys. The rock is locally shot through with

chert Chert () is a hard, fine-grained sedimentary rock composed of microcrystalline or cryptocrystalline quartz, the mineral form of silicon dioxide (SiO2). Chert is characteristically of biological origin, but may also occur inorganically as a prec ...

lenses A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction. A simple lens consists of a single piece of transparent material, while a compound lens consists of several simple lenses (''elements''), ...

; where these weather out they leave pockets of

acidic An acid is a molecule or ion capable of either donating a proton (i.e. hydrogen cation, H+), known as a Brønsted–Lowry acid, or forming a covalent bond with an electron pair, known as a Lewis acid. The first category of acids are the ...

, sandy brown earth amid otherwise lime-rich, shallow rendzinas (thin, stony soils formed directly on

limestone Limestone is a type of carbonate rock, carbonate sedimentary rock which is the main source of the material Lime (material), lime. It is composed mostly of the minerals calcite and aragonite, which are different Polymorphism (materials science) ...

). During the

last glacial maximum The Last Glacial Maximum (LGM), also referred to as the Last Glacial Coldest Period, was the most recent time during the Last Glacial Period where ice sheets were at their greatest extent between 26,000 and 20,000 years ago. Ice sheets covered m ...

a tongue of the Bohinj glacier over-rode the plateau; the

meltwater Meltwater (or melt water) is water released by the melting of snow or ice, including glaciers, glacial ice, tabular icebergs and ice shelf, ice shelves over oceans. Meltwater is often found during early spring (season), spring when snow packs a ...

that drained along tectonic

fractures Fracture is the appearance of a crack or complete separation of an object or material into two or more pieces under the action of stress (mechanics), stress. The fracture of a solid usually occurs due to the development of certain displacemen ...

later carved the 50-metre-deep Pokljuka Gorge, leaving behind a fossil canyon,

natural bridge A natural arch, natural bridge, or (less commonly) rock arch is a natural landform where an arch has formed with an opening underneath. Natural arches commonly form where inland cliffs, coastal cliffs, fins or stacks are subject to erosion fro ...

s and a well-known

cave Caves or caverns are natural voids under the Earth's Planetary surface, surface. Caves often form by the weathering of rock and often extend deep underground. Exogene caves are smaller openings that extend a relatively short distance undergrou ...

system. Annual

precipitation In meteorology, precipitation is any product of the condensation of atmospheric water vapor that falls from clouds due to gravitational pull. The main forms of precipitation include drizzle, rain, rain and snow mixed ("sleet" in Commonwe ...

reaches 1,500–2,000 mm and the mean

air temperature Atmospheric temperature is a measure of temperature at different levels of the Earth's atmosphere. It is governed by many factors, including incoming solar radiation, humidity, and altitude. The abbreviation MAAT is often used for Mean Annual Air ...

hovers between 3 °C and 6 °C, giving the area a cool, moist sub-

alpine climate Alpine climate is the typical climate for elevations above the tree line, where trees fail to grow due to cold. This climate is also referred to as a mountain climate or highland climate. Definition There are multiple definitions of alpine cli ...

with frequent temperature inversions in the hollows.

Flora, vegetation and conservation

Although commercial

charcoal Charcoal is a lightweight black carbon residue produced by strongly heating wood (or other animal and plant materials) in minimal oxygen to remove all water and volatile constituents. In the traditional version of this pyrolysis process, ca ...

-burning removed much of the original

during the nineteenth century, the plateau is now Slovenia's largest unbroken forest block, dominated by

Norway spruce ''Picea abies'', the Norway spruce or European spruce, is a species of spruce native to Northern, Central and Eastern Europe. It has branchlets that typically hang downwards, and the largest cones of any spruce, 9–17 cm long. It is very clo ...

with scattered

and

larch Larches are deciduous conifers in the genus ''Larix'', of the family Pinaceae (subfamily Laricoideae). Growing from tall, they are native to the cooler regions of the northern hemisphere, where they are found in lowland forests in the high la ...

. Detailed floristic work in Pokljuka Gorge records 262 species of

vascular plant Vascular plants (), also called tracheophytes (, ) or collectively tracheophyta (; ), are plants that have lignin, lignified tissues (the xylem) for conducting water and minerals throughout the plant. They also have a specialized non-lignified Ti ...

s belonging to 61

families Family (from ) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictability, structure, and safety as ...

; Central-European elements predominate, but south-east European–Illyrian taxa such as '' Anemone trifolia'' and ''

Helleborus niger ''Helleborus niger'', commonly called Christmas rose or black hellebore, is an evergreen perennial flowering plant in the buttercup family, Ranunculaceae. It is one of about 20 species from the genus Hellebore. It is a poisonous cottage garden fa ...

'' appear alongside true alpine species brought downslope by cold-air drainage. Fourteen species are legally protected, and the gorge is home to the sub-endemic Burser's saxifrage ('' Saxifraga burseriana''), which forms dense cushions on the limestone cliffs. Vegetation studies distinguish five forest types and one warm-slope scrub community on the plateau's flanks. The most widespread is the pre-Alpine beech wood with

black hellebore ''Helleborus niger'', commonly called Christmas rose or black hellebore, is an evergreen Perennial plant, perennial flowering plant in the buttercup family, Ranunculaceae. It is one of about 20 species from the genus Hellebore. It is a poisonous ...

(Anemono trifoliae-Fagetum), while colder pockets support spruce–

moss Mosses are small, non-vascular plant, non-vascular flowerless plants in the taxonomic phylum, division Bryophyta (, ) ''sensu stricto''. Bryophyta (''sensu lato'', Wilhelm Philippe Schimper, Schimp. 1879) may also refer to the parent group bryo ...

forests rich in '' Rhytidiadelphus loreus'' and '' Bazzania trilobata''.

Sycamore Sycamore is a name which has been applied to several types of trees, but with somewhat similar leaf forms. The name derives from the Ancient Greek () meaning . Species of otherwise unrelated trees known as sycamore: * ''Acer pseudoplatanus'', a ...

maple ''Acer'' is a genus of trees and shrubs commonly known as maples. The genus is placed in the soapberry family Sapindaceae.Stevens, P. F. (2001 onwards). Angiosperm Phylogeny Website. Version 9, June 2008 nd more or less continuously updated si ...

stands fill permanently cool sinkholes known locally as "garden plots", and

hop-hornbeam ''Ostrya'' is a genus of eight to 10 small deciduous trees belonging to the birch family Betulaceae. Common names include hop-hornbeam and hophornbeam. It may also be called ironwood, a name shared with a number of other plants. The genus is na ...

with manna ash clings to sunny cliffs above the gorge. These communities, together with the Šijec raised bog near Goreljek, are part of the

core or buffer zones and are monitored for ecological change.

Human use and recreation

Seasonal mountain pastures such as Uskovnica, Zajamniki and Lipanca still break the forest canopy, preserving traditional alpine hay-meadows dotted with wooden shepherds' huts. Today Pokljuka is better known for outdoor sport: the Rudno Polje sports centre hosts regular

International Biathlon Union The International Biathlon Union (IBU; ) is the international governing body of biathlon. Its headquarters were in Salzburg, Austria, until May 2020, when the Federation moved to Anif, on the outskirts of the city. It was rocked by a corruption ...

World-Cup and world-championship events on an extensive network of cross-country ski trails. In summer, the same trails double as popular

hiking A hike is a long, vigorous walk, usually on trails or footpaths in the countryside. Walking for pleasure developed in Europe during the eighteenth century. Long hikes as part of a religious pilgrimage have existed for a much longer time. "Hi ...

and mountain-bike routes, while the plateau's relatively level terrain offers one of the gentlest approaches to Mount Triglav. The entire area is subject to Triglav National Park regulations, which limit new building and require low-impact

forestry Forestry is the science and craft of creating, managing, planting, using, conserving and repairing forests and woodlands for associated resources for human and Natural environment, environmental benefits. Forestry is practiced in plantations and ...

in order to maintain the plateau's

hydrology Hydrology () is the scientific study of the movement, distribution, and management of water on Earth and other planets, including the water cycle, water resources, and drainage basin sustainability. A practitioner of hydrology is called a hydro ...

, forest structure and botanical

biodiversity Biodiversity is the variability of life, life on Earth. It can be measured on various levels. There is for example genetic variability, species diversity, ecosystem diversity and Phylogenetics, phylogenetic diversity. Diversity is not distribut ...

References

External links

Travel information and maps
at the Pokljuka Sports Club website * {{coord, 46, 21, 37, N, 14, 01, 48, E, display=title, region:SI_type:landmark_source:dewiki Plateaus in Upper Carniola Triglav National Park Karst plateaus of Slovenia Ski areas and resorts in Slovenia