Ogosta Reservoir
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Ogosta Reservoir
Ogosta ( bg, Язовир Огоста) is a lake and reservoir in the north-west of Bulgaria. The second largest artificial lake in Bulgaria (after the Iskar Reservoir), and also in the wider Balkan Peninsula, it is one of the biggest in Europe. Collecting the waters of the rivers Ogosta, Burzia, and Zlatitsa, the lake begins only 600 meters to the south-west of the edge of Montana city, and its surface is some 60 meters above the ground level of the city. Its water catchment area covers 948 km,2 and the area of the lake itself is 24 hectares. The average water volume is 384 Mm,3 while the maximum volume is 506Mm3. According to the ''Cambridge Ancient History'', the name "Ogosta" may represent the Latin name Augusta.John Bagnall Bury et al., ''The Cambridge Ancient History: the Assyrian Empire'' (Cambridge University Press, 1925, reprinted 1991), p. 595 The construction of the dam which created the lake took twenty years and was completed in 1986. For the project two vill ...
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Montana, Bulgaria
Montana ( bg, Монтана ) is a town in northwestern Bulgaria. It is the administrative centre of the Montana Province. On the 2021 census, it had a population of 36,455. Names When the town was first settled by Slavs it was known as Kutlovitsa; later in Ottoman Turkish as Kutlofça. The town was renamed Ferdinand in 1890, receiving the benevolence of Bulgarian ''Knyaz'' Ferdinand and town status. On 1 March 1945, by a decree of the government, the communist authorities changed the town's name to Mihaylovgrad after the Communist Party activist Hristo Mihaylov (died 1944), a leader of the 1923 September Uprising in the region. In 1993, after a presidential decree, the town received the name Montana, inspired by the name of the nearby Roman settlement, setting up a military camp, Castra ad Montanesium, on top of existing Thracian settlement. Geography Montana is situated on the river Ogosta, north of Stara Planina, surrounded on the south and east by uplands. The climat ...
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Lom, Bulgaria
Lom ( bg, Лом ) is a town in northwestern Bulgaria, part of Montana Province, situated on the right bank of the Danube, close to the estuary of the Lom River. It is the administrative centre of the eponymous Lom Municipality. The town is north of Sofia, southeast of Vidin, north of Montana and west of Kozloduy. It is the second most important Bulgarian port on the Danube after Ruse. Geography The town of Lom is located near the mouth of the eponymous river Lom. Its development as a large river port center, second in importance to Bulgaria after Ruse, is determined by the fact that it is the closest port to the capital. History Antiquity and Middle Ages Lom was founded by the Thracians under the name of ''Artanes'' in Antiquity. After the Romans called the fortress and the town ''Almus'', from where the name of the today's city and of the Lom River comes. There are no reports proving that there existed a big settlement in the Middle Ages. It was not until Ottoman rule th ...
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Bulgarian Wikipedia
The Bulgarian Wikipedia ( bg, Българоезичната Уикипедия) is the Bulgarian-language edition of Wikipedia. It was founded on 6 December 2003, and on 12 June 2015 it passed the 200,000 articles threshold. It is written in the Bulgarian (Cyrillic) Alphabet. As of , it has articles and is the largest Wikipedia edition. Users As of , the Bulgarian Wikipedia has registered users and of them are active users. Bulgarian Wikipedia has a Bulgarian alphabet ( Cyrillic) interface and users can include Cyrillic letters , bg, кирилица , mk, кирилица , russian: кириллица , sr, ћирилица, uk, кирилиця , fam1 = Egyptian hieroglyphs , fam2 = Proto-Sinaitic , fam3 = Phoenician , fam4 = G ... for their Wikipedia names. The userboxes and all other personal content is in Cyrillic. This is also due to the need of one username for all Wikipedia languages registrations and edits, while ma ...
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Barbus
''Barbus'' is a genus of ray-finned fish in the family Cyprinidae. The type species of ''Barbus'' is the common barbel, first described as ''Cyprinus barbus'' and now named ''Barbus barbus''. ''Barbus'' is the namesake genus of the subfamily Barbinae, but given their relationships, that taxon is better included in the Cyprininae at least for the largest part (including the type species of ''Barbus''). Description and uses Their common names – barbs and barbels – refer to the fact that most members of the genera have a pair of barbels on their mouths, which they can use to search for food at the bottom of the water. Barbels are often fished for food; in some locations they are of commercial significance. The roe of barbels is poisonous, however. The large ''Barbus'' barbs are also often eaten in their native range. At Shanhûr in Egypt, remains of a jar from the sixth- to seventh-century AD were unearthed that contained fish bones. The fish were apparently pick ...
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Common Nase
The common nase (''Chondrostoma nasus'') is a European potamodromous Fish migration is mass relocation by fish from one area or body of water to another. Many types of fish migrate on a regular basis, on time scales ranging from daily to annually or longer, and over distances ranging from a few metres to thousan ... cyprinid fish. It is often simply called the nase, but that can refer to any species of its genus ''Chondrostoma''. Another name is sneep. Distribution The nase is found naturally in drainages of the Black Sea (Danube, Dniestr, Southern Bug, Dniepr), the southern Baltic Sea (Nieman, Odra (Poland), Odra, Vistula) and the southern North Sea (to Meuse in the west). Moreover, it has been introduced to the Rhône, Loire, Hérault, and Soca River, Soca/Isonzo (Italy, Slovenia) drainages. It is a migratory fish. Appearance The nase has a spindle (textiles), spindle shaped physique, with a blue-grey metallic-coloured scales and orange tail. It has relatively sharp lowe ...
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European Perch
The European perch (''Perca fluviatilis''), also known as the common perch, redfin perch, big-scaled redfin, English perch, Euro perch, Eurasian perch, Eurasian river perch, Hatch, poor man’s rockfish or in Anglophone parts of Europe, simply the perch, is a predatory species of the freshwater perch native to Europe and northern Asia. The species is a popular quarry for anglers, and has been widely introduced beyond its native area, into Australia, New Zealand and South Africa. They have caused substantial damage to native fish populations in Australia and have been proclaimed a noxious species in New South Wales. Description European perch are greenish with red pelvic, anal and caudal fins. They have five to eight dark vertical bars on their sides. When the perch grows larger, a hump grows between its head and dorsal fin. European perch can vary greatly in size between bodies of water. They can live for up to 22 years, and older perch are often much larger than average; t ...
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Carp Bream
The common bream, freshwater bream, bream, bronze bream, carp bream or sweaty bream (''Abramis brama''), is a European species of freshwater fish in the family Cyprinidae. It is now considered to be the only species in the genus ''Abramis''. Range and habitat The common bream's home range is Europe north of the Alps and Pyrenees, as well as the Balkans. They are found as far east as the Caspian Sea, the Black Sea, and the Aral Sea. The common bream lives in ponds, lakes, canals, and slow-flowing rivers. Description The bream is usually long, though some specimens of have been recorded; it usually weighs . Its maximum length is 90 cm (35.5 in),the recorded weight is around 9.1 kg (20 lb). The common bream has a laterally flattened and high-backed body and a slightly undershot mouth. It is a silvery grey colour, though older fish can be bronze-coloured, especially in clear waters. The fins are greyish to black, but never reddish. Similar-looking fish ...
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Scardinius
''Scardinius'' is a genus of ray-finned fish in the family Cyprinidae commonly called rudds. Locally, the name "rudd" without any further qualifiers is also used for individual species, particularly the common rudd (''S. erythrophthalmus''). The rudd can be distinguished from the very similar roach by way of the rudd's upturned mouth, allowing it to pick food items such as aquatic insects from the surface of the water with minimal disturbance. The Greek rudd (''S. graecus'') is a similar fish, about 40 cm long. It occurs only in the southern tip of the Greek mainland. It lives in lakes and slow-flowing rivers, forming large schools. It spawns around April–June among underwater plants in shallow water. It feeds on small crustaceans, the larvae and pupae of insects, and on plant material. The majority of its food is taken at or near the surface of the water. The fish is not usually found in deep water. Very little is known about the biology of this species. It is important ...
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Carassius
''Carassius ''is a genus in the ray-finned fish family Cyprinidae. Most species in this genus are commonly known as crucian carps, though this term often specifically refers to '' C. carassius''. The most well known is the goldfish (''C. auratus''). They have a Eurasian distribution, apparently originating further to the west than the typical carps (''Cyprinus''), which include the common carp (''C. carpio''). Species of ''Carassius'' are not particularly close relatives of the typical carps of ''Cyprinus'', but rather form a more basal lineage of the subfamily Cyprininae.de Graaf, Martin; Megens, Hendrik-Jan; Samallo, Johannis & Sibbing, Ferdinand A. (2007): Evolutionary origin of Lake Tana's (Ethiopia) small ''Barbus'' species: indications of rapid ecological divergence and speciation. '' Anim. Biol.'' 57(1): 39-48. (HTML abstract) Species * ''Carassius auratus'' (Linnaeus, 1758) (goldfish) ** ''Carassius auratus auratus'' (Linnaeus, 1758) * '' Carassius carassius'' (Linna ...
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Carp
Carp are various species of oily freshwater fish from the family Cyprinidae, a very large group of fish native to Europe and Asia. While carp is consumed in many parts of the world, they are generally considered an invasive species in parts of Africa, Australia and most of the United States. Biology The cypriniformes (family Cyprinidae) are traditionally grouped with the Characiformes, Siluriformes, and Gymnotiformes to create the superorder Ostariophysi, since these groups share some common features. These features include being found predominantly in fresh water and possessing Weberian ossicles, an anatomical structure derived from the first five anterior-most vertebrae, and their corresponding ribs and neural crests. The third anterior-most pair of ribs is in contact with the extension of the labyrinth and the posterior with the swim bladder. The function is poorly understood, but this structure is presumed to take part in the transmission of vibrations from the swim bl ...
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Berkovitsa
Berkovitsa ( bg, Берковица ) is a town and ski resort in northwestern Bulgaria. It is the administrative centre of the homonymous Berkovitsa Municipality, Montana Province and is close to the town of Varshets. , it has a population of 13,917 inhabitants.Bulgarian National Statistical Institute - Bulgarian towns in 2009


Location and history

Berkovitsa is situated on the northern slope of Kom Peak of the Berkovska Stara Planina Mountain along the valley of the Berkovitsa River, which is a tributary to the Barziya River, at an altitude above sea level 405 m. The town was mentioned for the first time in Ottoman documents of 1488. It is near the site of an old fortified settlement on the road from Sofia to Lom. The remains of the fo ...
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