Have you ever heard of a lake painted by a prince? Mörtsjön in Huddinge Municipality south of Stockholm is just that. Prince Eugen himself captured its beauty on canvas. His famous painting “Varen” 1891 depicts the lake’s serene charm. This small lake is part of the Tyresån Lake System. It is nestled within the Orlången Nature Reserve.
Mörtsjön is more than a pretty picture. This little lake has a rich history. It has a fascinating ecosystem. The lake is shallow and eutrophic. Phosphorus levels are high while nitrogen levels are normal. Most nutrients come from the surrounding forests. Clear-cutting in the 1970s caused increased nitrogen. This led to algal blooms and fish kills. The shallowness still causes oxygen shortages. This can suffocate fish during winter.
Mörtsjön’s flora and fauna are diverse. The lake boasts a variety of aquatic plants. These include reed club-rush and even water lilies. Fish species are abundant. Northern pike perch roach rudd tench and crucian carp all call Mörtsjön home. Mirror carps and scale carps were introduced in 1993. Crayfish plague struck in 1979. The signal crayfish has since been introduced. Birds like mallards goldeneyes and gulls are common. Herons mergansers and ospreys also visit. Mammals such as mink and several bat species live nearby.
The area around Mörtsjön is popular for various activities. People enjoy walking swimming and fishing here. The homestead Charlottendal on the northeastern corner is a highlight. It’s surrounded by old farmland. This land has never been treated with inorganic fertilizers or pesticides. Consequently it supports many rare species such as common rockrose and scarlet waxy cap.
Mörtsjön’s story is a blend of artistic inspiration ecological balance and recreational enjoyment. It’s a testament to the beauty and fragility of nature. A place where art history and natural beauty intertwine. Take a moment to appreciate this unique and enchanting lake. Remember Prince Eugen’s brushstrokes live on in this charming corner of Stockholm.