Dubysa
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Dubysa
Dubysa
Dubysa bruecke lyduvenai.jpg
Lyduv?nai bridge across the Dubysa valley
Dubysa (Lithuania).png
Dubysa in Lithuania
Location
CountryLithuania
Physical characteristics
Source 
 • location3 km south of ?iauliai
 • elevation133 m (436 ft)
MouthNeman
 • location
near Sered?ius
 • coordinates
55°04?28?N 23°24?49?E / 55.0744°N 23.4135°E / 55.0744; 23.4135Coordinates: 55°04?28?N 23°24?49?E / 55.0744°N 23.4135°E / 55.0744; 23.4135
 • elevation
15 m (49 ft)
Length131 km (81 mi)
Basin size1,973 km2 (762 sq mi)
Discharge 
 • average14.2 m3/s (500 cu ft/s)
Basin features
ProgressionNeman-> Baltic Sea
Tributaries 
 • leftGry?uva, Gyn?v?
 • rightKra?ant?

Dubysa, at 131 km, is the 15th longest river solely in Lithuania. It originates just a few kilometers from Lake R?kyva near ?iauliai city. At first it flows south, but at Lyduv?nai turns southeast and near Ariogala - southwest. Dubysa is a Samogitian river. The first few kilometres of Dybysa are also known as Genupis or ?ventupis.

Scenic valley of Dubysa near Ariogala

Dubysa has about 40 tributaries, the largest being Kra?ant? on the right and ?iau, Gry?uva, and Gyn?v? on the left. Kra?ant? (86 km) is almost twice as long as the upper reaches of Dubysa before the confluence (47 km). Even though Kra?ant?'s basin is somewhat smaller, it should be considered the main river. Dubysa is mainly fed by rainfall and melting snow, therefore its water levels change rapidly. The maximum depth is about 4 m.

The Dubysa valley is one of the highest and widest in Lithuania. The valley reaches 20-40 m in height and 300-500 m in width. It was formed during the last glacial period. The Lyduv?nai Bridge is a railroad bridge across the valley, which is the highest and longest such bridge in Lithuania. The bridge was first built by the Germans during World War I. In 1918 an iron railway bridge replaced it.

Basin of Dubysa

Dubysa is connected with the Venta River by the abandoned Windawski Canal started in 1825 by the authorities of the Russian Empire. The canal is 15 km in length and was supposed to have 20 locks. The intention was to connect the Neman basin with the Baltic Sea through the port of Ventspils. The lower reaches of Neman were under Prussian control. The work was interrupted by the Uprising of 1831. The work resumed only at the beginning of the 20th century but was interrupted again by the World War I. After the war there was no purpose for the canal as Lithuania gained control over the Klaip?da region and lower reaches of Neman. The canal was based on the Kartuva rivulet.

Dubysa ichthyological reserve was established in 1974. It protects spawning areas of vimba and other ca. 25 species of fish. The reserve protects Dubysa below Ariogala down to its mouth (some 25 km of the river). Dubysa Regional Park was established in 1992 to protect the Dubysa valley, landscape and cultural heritage, including the birthplace of poet Maironis. The park also encourages eco-tourism. It covers is located in the territories of the Kelm? and Raseiniai district municipalities.



References

  1. Simas Su?ied?lis, ed. (1970-1978). "Dubysa". Encyclopedia Lituanica. II. Boston, Massachusetts: Juozas Kapo?ius. pp. 113-114. LCC 74-114275.
  2. Jonas Zinkus; et al., eds. (1985). "Dubysa". Taryb? Lietuvos enciklopedija (in Lithuanian). I. Vilnius, Lithuania: Vyriausioji enciklopedij? redakcija. pp. 463-464.
  3. Vaclovas Bir?i?ka, ed. (1939). "Dubysa". Lietuvi?koji enciklopedija (in Lithuanian). VII. Kaunas: Spaudos Fondas. pp. 79-94.
  4. "Dubysos pabaseinis" (in Lithuanian). Environmental Protection Agency, Ministry of Environment of the Republic of Lithuania. Retrieved .

External links


  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.

Dubysa
 



 



 
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