Nonnenfließ
The Nonnenfließ is a small river in the northeastern Brandenburg. It rises south of cloths, a district of Breydin in the Barnim district. In Spechthausen the Nonnenfließ combined with the blackness. In the 17th century the confluence of both waters had been dammed up to a millpond. The Nonnenfließ originated about 15,000 years ago.
The flow is approximately eleven kilometers long and has a catchment area of about 89 square kilometers. About blackness and Finowkanal heard the nuns flow to the catchment area of the Oder. It is only minimally impacted by municipal wastewater and is subject to no more useful. Its water is of drinking water quality.
The Nonnenfließ flows through a melt water channel, which was the end of the Weichsel glaciation. It rises in a swamp forests and marshlands. The deep incision of the nuns Fließes in the plateau of the Barnim makes for a unique Central mountain -like landscape. The flow meanders strong and has typical impact and Gleithänge and moors on. Sections with high flow rates and sandy or gravelly subsoil ensure a high oxygen content and a strong self-cleaning effect.
Accordingly, species-rich flora and fauna are both in the water and in the environment. In Nonnenfließ to find rare fish species such as bullhead, brook lamprey and loach. The valley of the nuns Fließes is one of the few locations in the Brandenburg forest - Bingel herb devil's claw or the aged men. One can find rare birds such as woodcock, and dove.
The Nonnenfließ was first placed under protection in 1977. 1996 was the nature reserve " Nonnenfließ - Schwärzetal ". It is embedded in the landscape protection area Barnim heath and in the natural park Barnim.
Traces of previous use are still partially in place. Old artificial flow obstructions such as dams constructed stone and pour in previous mills and fish ponds are gradually eliminated in order to keep the flow completely passable. As most ambitious issue applies to circumvent the height of fall of the former paper mill in Spechthausen. The measures are structural diversity and biodiversity continue to increase. In addition, a thematic trail is created.
According to a legend to the flow a nunnery have stood, which was torn by a flood in depth. The only surviving nun erected a cross at a place that is, until today Eliesenkreuz or Liese cross. According to her, the Nonnenfließ to be named.