The lakes have turned out to be congested in numerous territories with water horsetail. Initially, the Weesener Bach rose up out of a swamp locale. A large portion of this was changed over into lakes. The Weesener Bach, additionally called the Lutterbach, is a tributary of the Örtze in northern Germany. The whole course of the stream together with the banks either side, a sum of 348 hectares 860 sections of land, was announced nature save in 1999.
Accordingly, a relatively characteristic, absolutely sound stream has been safeguarded, whose water quality, aside from its upper course close to the source lakes, is of the most astounding classification, I-II, and just somewhat contaminated. Because of its high water quality, the stream is home to a large number of uncommon creatures. Among the fish that flourish here are darker trout, bullhead and rivulet lamprey. Along the banks and water knolls, there are 60 more jeopardized species, for example, vascular plants, greeneries, creatures of land and water and reptiles.