Lethe (nature reserve)

Lethe
Lethe between Wardenburg and Tungeln
location	South of Oldenburg , districts of Cloppenburg and Oldenburg , Lower Saxony
surface	39 ha
Identifier	NSG WE 316
FFH area	39 ha
Geographical location	53 ° 0 '  N , 8 ° 7'  E Coordinates: 52 ° 59 '45 "  N , 8 ° 7' 18"  E
Sea level	from 3 m to 22 m
Setup date	August 1, 2019

The Lethe is a nature reserve in the Lower Saxony municipalities of Garrel in the district of Cloppenburg and Grossenkneten and Wardenburg in the district of Oldenburg .

General

The nature reserve with the registration NSG WE 316 is around 39  hectares in size. It is completely part of the FFH area "Sager Meer, Ahlhorner Fischteiche und Lethe" and above the crossing through the county road 124 between Hundsmühlen and Tungeln mostly from the landscape protection areas "Lethe-Tal und Staatsforst Tüdick" and "Lethetal" as well as below the crossing mostly surrounded by the nature reserve "Mittlere Hunte". In the south it borders on the nature reserve " Ahlhorner Fischteiche " and in the north on the nature reserves " Mittlere Hunte " and " Osternburger Kanal ". The area has been under nature protection since August 1, 2019. It replaces the previous landscape protection areas “Lethetal”, “Lethe-Tal und Staatsforst Tüdick” and “Mittlere Hunte” within the scope of the Nature Conservation Ordinance. The responsible lower nature conservation authorities are the districts of Cloppenburg and Oldenburg.

description

The nature reserve is located south of Oldenburg . It stretches along the Lethe a little above the crossing through the state road 871 between Garrel and Großenkneten up to its confluence with the Osternburg Canal near Oldenburg and includes the course of the river with the adjacent strips of water as well as areas bordering it in places. To restore the continuity of the flowing water, existing weirs such as the mill weir at the Wardenburg watermill were replaced by Sohlgleiten . As part of renaturation measures, gravel banks were created as spawning and growing habitats for gravel-spawning fish species. At Halenhorst, a natural course of the Lethe was restored and the previous, straightened course of the river closed.

The Lethe flows at the start of the reserve initially many wooded areas with riparian forest character before their lowland predominantly agricultural as grassland or arable is used. Large sections of the Lethe have been straightened, but in sections it is also very close to nature, for example with different bed structures . Flooding aquatic vegetation settles in the Lethe. The buffer strips are partially moist Hochstaudenfluren , reeds taken and Sauergras-, Binsen- and perennials vineyards. Here, for example, move meadowsweet , valerian , Epilobium hirsutum , purple loosestrife , Wasserdost and reed canary grass . In a still water in the nature reserve , spawnweed and frog-bite communities settle with Alpine spawns , water cockfoot , eared milfoil and water feathers . Furthermore, the nature reserve houses u. a. Alternate flowered milfoil , flexible luster algae , common water hose , simple hedgehog cob , water star , dragon arum , marsh marigold , marsh sword lily , brook spring herb and shore wolf snake .

The Lethe is a walking corridor and habitat for river and brook lamprey , but the sea ​​trout is also at home again. The Lethe is also home to asp , moderlieschen , wolffish and crucian carp , pea clams , various caddis flies and dragonflies , including banded demoiselle , common darter , blood-red darter , swamp heather dragonfly and common rush damsel .

Web links

• Nature reserve "Lethe" in the database of the Lower Saxony State Office for Water Management, Coastal and Nature Conservation (NLWKN)

Individual evidence

1. ↑ ^{a b} Reactivation of the Lethe , Bach im Fluss - The Lower Saxony Water Competition 2016, Kommunale Umwelt-AktioN UAN, pp. 28–31 (PDF, 38.3 MB). Retrieved August 16, 2019.
2. ↑ Picture gallery , Sportfischerverband im Landesfischereiverband Weser-Ems e. V. Accessed August 16, 2019.