Avilys
| Avilys | |
|---|---|
.jpg) Avilys Lake | |
  Avilys | |
| Location | Zarasai District Municipality, Lithuania |
| Coordinates | 55°45′N 26°05′E / 55.750°N 26.083°E |
| Type | Lake |
| Catchment area | 73.7 km2 (28.5 sq mi) |
| Basin countries | Lithuania |
| Surface area | 1,226.68 ha (3,031.2 acres)[1] |
| Average depth | 2.9 m (9 ft 6 in)[1] |
| Max. depth | 13.5 m (44 ft)[1] |
| Shore length1 | 54.82 kilometres (34.06 mi) |
| Surface elevation | 157 m (515 ft) |
| References | [1] |
| 1 Shore length is not a well-defined measure. | |
Avilys is a lake located near Napreliai in Zarasai district municipality in Utena county of Lithuania. It is part of the Western Dvina river basin, which flows across the border in Latvia.
Geography
[edit]Avilys lake located near Napreliai village in Zarasai district municipality in Utena county of Lithuania.[2] It is one of the 296 lakes in the district.[3] Spread over an area of 1,226.68 ha (3,031.2 acres), it is located in northeast Lithuania, close to the border with Latvia.[1] The average depth is around 3 meters (9.8 ft) while the maximum depth is around 13.5 meters (44 ft).[1] It has about 44 km (27 mi) of shoreline.[2]
It is part of the Western Dvina (Daugava[4]) river basin, which flows across the border in Latvia.[5] The lake forms part of the watercourse of the Laucesa river, which runs across the Latian-Lithuanian border.[2][6] The lake is one of the few outside the protected areas in the district.[7] It has been declared as a water body of national importance by the government of Lithuania.[2] The lake has 31 islands and consists of the largest number of lake islands in the region.[8]
Composition
[edit]As per a 2017 measurement, the lake water was measured to have a pH of 8.6, slightly more than the average pH from other lakes in the region. The dissolved oxygen was measured at 8.8 mg/l, amongst the lowest in the region. The total dissolved content was recorded to be 1.7 mg/l of which total nitrogen was 0.54 mg/l.[7]
Flora and fauna
[edit]The lake consists of variety of plants and fishes. Common fishes include perch, roach, pike, tench, and bleak. Both commercial and recreational fishing is carried out in the lake.[3] Najas flexilis is a rare aquatic plant species found only in few lakes in the region including Avilys.[9]
References
[edit]- ^ a b c d e f "žvejo gidas - viskas ką turi žinoti žvejas". Zvejogidas.lt (in Lithuanian). Retrieved 12 April 2023.
- ^ a b c d "Avilys lake". Ezerai. Retrieved 1 June 2024.
- ^ a b "Water bodies in Zarzai district". Visit Zarzai. Retrieved 1 June 2024.
- ^ "Western Dvina". Collins Dictionary. Retrieved 1 June 2024.
- ^ Edward Walusiak (November 2024). "A wide range of abiotic habitat factors and genetic diversity facilitate expansion of Trapa natans within its native range". Journal of Environmental Management. 370. doi:10.1016/j.jenvman.2024.122468. PMID 39276652.
- ^ "River map" (PDF). Videscentrs. Retrieved 1 June 2024.
- ^ a b Zofija Sinkevičienė; Liucija Kamaitytė-Bukelskienė; Lukas Petrulaitis; Zigmantas Gudžinskas (January 2023). "Current Distribution and Conservation Issues of Aquatic Plant Species Protected under Habitats Directive in Lithuania". Diversity. 15 (2): 185. doi:10.3390/d15020185.
- ^ Jurgita Daubariene. "The influence of lakes on the tourism development in Utena county". University of Vilnius. p. 7. Retrieved 1 June 2024.
- ^ "Inventory of insufficiently known species of community importance" (PDF). Naturalit. 30 October 2022. Retrieved 1 June 2024.