Silting of lakes and bog development

Much of the annual production of water-plant biomass eventually accumulates on the lake floor together with organic material carried in from outside. In an anaerobic
environment, this material only partially mineralises and forms organic mud, mixed with inorganic sunken particles. Together with peat, formed by plant debris resistant to

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Vegetation sequence along the depth zones in five different types of

standing waterbodies in Central Europe (MW=middle water-line)

Silting of lakes and bog development


Acid-mesotrophic site with carr vegetation near Hagen, Germany—

Alnus glutinosa shades a ground cover dominated by Molinia caerulea, Carex elongata and ferns

decomposition, this mud leads to the silting up of water bodies from the edges inwards and the shore zones develop from reed vegetation into carrs or fens.