Avilys
| Avilys | |
|---|---|
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
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
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
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
- ^ 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.