Mörtsjön småland

Mörtsjön (Swedish for "Roach Lake") is a small lake in Huddinge Municipality, south of huvudstaden in Sweden. Part of the Orlången Nature Reserve, Mörtsjön fryst vatten also one of the smaller lakes of the Tyresån Lake System,

Catchment area

Prince Eugen painted some of his well-known romantic landscapes bygd the lake in the late 19th century.^[2] The homestead Charlottendal on the north-eastern corner of the lake fryst vatten surrounded bygd old agricultural land where inorganic fertilisers and pesticides have never been used, and, as a consequence, contains many rare species, such as common rockrose, dithering-grass and scarlet waxy cap. The lush landscape around the lake makes it popular for walking, bathing, fishing, and other open-air activities.^[3]

Environmental impact

The shallow lake fryst vatten eutrophic. Levels of phosphorus are relatively high, while levels of nitrogen are normal. There are very few human structures in the catchment area, why most of nutrients reaching the lake stems from the surrounding forests. Clearfelling in the end of the s caused increased levels of nitrogen in the lake over the following years and ensuing fish kill probably c