Kräppladiket is one of the four inflow rivers of Lake Magelungen in southern

Stockholm Stockholm () is the Capital city, capital and List of urban areas in Sweden by population, largest city of Sweden as well as the List of urban areas in the Nordic countries, largest urban area in Scandinavia. Approximately 980,000 people liv ...

Sweden Sweden, formally the Kingdom of Sweden,The United Nations Group of Experts on Geographical Names states that the country's formal name is the Kingdom of SwedenUNGEGN World Geographical Names, Sweden./ref> is a Nordic country located on ...

. It empties into the lake in its northern end together with Magelungsdiket and Norrån while Djupån joins the lake on its southern end. In contrast to Magelungsdiket, Kräppladiket was not considerably affected by the construction of the south-western suburbs in the early 1950s, but important part of the ditch was however guided through culverts limiting the open stream to the 1,4 km passing through the Rågsved Open-air Area south of

Rågsved Rågsved is a suburb historically belonging to the district of Bandhagen in Stockholm, Sweden. History Rågsved remained uninhabited until the mid-1950s. In 1953 a development plan was set up for the area. Rågsveds centrum and Rågsved met ...

. A bit less than 50 per cent of the catchment area is occupied by one-family houses and green spaces. The upper reach of the ditch is thus affected by relatively low levels of

phosphorus Phosphorus is a chemical element with the symbol P and atomic number 15. Elemental phosphorus exists in two major forms, white phosphorus and red phosphorus, but because it is highly reactive, phosphorus is never found as a free element on Ear ...

and

nitrogen Nitrogen is the chemical element with the symbol N and atomic number 7. Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table, often called the pnictogens. It is a common element in the universe, estimated at se ...

, while samples by the lower reach, next to the Snösätra industrial area, showed a presence of high levels of metals. The mouth of Kräppladiket is located in a

Reed bed A reedbed or reed bed is a natural habitat found in floodplains, waterlogged depressions and estuaries. Reedbeds are part of a succession from young reeds colonising open water or wet ground through a gradation of increasingly dry ground. As ...

and no defined outflow exists.Vattenprogram, p 9.4 In 2006 works were started to create a small

stormwater Stormwater, also spelled storm water, is water that originates from precipitation (storm), including heavy rain and meltwater from hail and snow. Stormwater can soak into the soil ( infiltrate) and become groundwater, be stored on depressed la ...

dam to purify the water of the ditch before it reaches Lake Magelungen. Hopefully, the initiative will also attract birds, reptiles, and plants. The initiative is part of a project aiming at making Magelungen accessible to angling, rowing, and canoeing by dredging selected portions of it.Miljömiljarden

Notes

References

* * * * Rivers of Stockholm County Geography of Stockholm {{Sweden-river-stub

See also

Notes

References