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Nutrient dynamics between land and water have changed dramatically
due to the development of the industrialized society.
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The increased fluxes of nitrogen and phosphorous contribute
to a number of environmental problems
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Nitrogen and phosphorous flows through nature in a never
ending bio-geo-chemical cycles
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The main consumer of nitrogen and phosphorous is modern
agriculture the losses, polluting the environment, are also considerable
especially of nitrogen.
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Considerable amounts of nitrogen is emitted from the burning
of fossil fuels.
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Eutrophication is the natural or artificial addition of
nutrients to water bodies or land areas.
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Eutrophication of water bodies impair water quality, impair
the recreational values and also impair fisheries.
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Eutrophication of land areas may lead to acidification, loss
of biodiversity and invasion of weeds.
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The Baltic Sea is a eutrophicated water body
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Nitrogen and phosphorous are both limiting factor to the
primary production but in different parts of the Baltic Sea.
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Phytoplankton bloom, commonly occurring in the Baltic Sea,
is a consequence of eutrophication
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The amount of eutrophying pollutants in the air have been
monitored for many years.
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The Baltic Sea is one of the best monitored waters in the
world
