ravinteetkulkee
Ravinteet kulkee is a Finnish term commonly used in ecology and environmental science to describe the movement, transformation, and exchange of chemical elements that are essential for living organisms as they cycle through ecosystems. The concept covers how nutrients enter, move through, and leave soils, water, and biota, and how they are stored, transformed, or lost over time.
In terrestrial and aquatic systems, the flow of nutrients involves inputs from weathering of rocks, atmospheric
Key macronutrients include nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), magnesium (Mg), and sulfur (S),
Human activities influence ravinteet kulkee by altering inputs and losses, through agriculture, urbanization, pollution, and land-use
See also: Nutrient cycle, Nitrogen cycle, Phosphorus cycle, Biogeochemical cycle, Eutrophication.