gyttja

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Englisch - Englisch
A fresh-water anaerobic mud with abundant organic matter
Sedimentary peat consisting mainly of plant and animal residues precipitated from standing water
A dark, pulpy, freshwater mud characterized by abundant organic matter that is more or less determinable and deposited or precipitated in a lake whose waters are rich in nutrients and oxygen, or in a marsh It is an anaerobic sediment laid down under conditions varying from aerobic to anaerobic and is capable of supporting aerobic life
The nutrient rich organic materials deposited as grey- or green-brown to black lake bottom sediments Composed of marl, planktonic remains, strongly decomposed plant remains, shells of diatoms, and fecal material Usually forms in standing water