Miedwie
The Jezioro Miedwie ( German Madüsee, also Madü Lake) is a lake in the west of the Pomeranian Lake District in Stargard ( Stargard in Pomerania ), about 10 km north of Pyrzyce ( Pomerania ) and about 25 km south-east of Szczecin in Poland. The only significant outflow and inflow of the lake is the Płonia ( Płonia ).
The lake is home to, among many other fish species Madüsee Whitefish, an endemic population of Ostseeschnäpels (Coregonus maraena ), which was formerly regarded as a separate subspecies, and two species of small crustaceans as Ice Age relics. The banks (39 km long) include valuable marshes and harbor a significant breeding population of bearded tit. Its neighboring municipalities are among the counties ( powiaty ) Stargard and Gryfino (German Greifenhagen ). Especially in the north of the lake are in place Morzyczyn (German Moritz field ) tourist offers.
The lake appears as Meduvi in a dated 1220 deed, but which is recognized as spurious, as well as Meduwe in a dated to 1226, but also fake certificate. The first mentions of the lake are secured as Medui in a document of the Pomeranian Duke Barnim I of 1248 and as Meduge in a deed of the same Duke of 1249, respectively.
The water level was 2000 years ago at about 14 m above sea level. NN, in historical times higher then, before 1770 at 16 m above sea level. NN. The increase might be a consequence causes the monastery Kolbatz had dammed up the lake to the operation of water mills. The current water level at 14 m above sea level. NN was set in 1770 by lowering the Madüsees led by the architect David Gilly country. This led on by command of King Frederick II of Prussia improvement works, could be recovered as a settlement area for 150 families through about 575 acres of land.
The Madüsee was at the beginning of the 20th century theater of important researches of the physical limnology ( Müller- Navarra, 2005).