10 Facts About Nitrogen cycle

Nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into multiple chemical forms as it circulates among atmospheric, terrestrial, and marine ecosystems.

Important processes in the nitrogen cycle include fixation, ammonification, nitrification, and denitrification.

Nitrogen cycle is of particular interest to ecologists because nitrogen availability can affect the rate of key ecosystem processes, including primary production and decomposition.

Nitrogen cycle has contributed to severe eutrophication problems in some water bodies.

Nitrogen cycle is an important process in the ocean as well.

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Nitrogen cycle enters the water through the precipitation, runoff, or as from the atmosphere.

Nitrogen cycle cannot be utilized by phytoplankton as so it must undergo nitrogen fixation which is performed predominately by cyanobacteria.

Nitrogen cycle sources are removed from the euphotic zone by the downward movement of the organic matter.

Nitrogen cycle entering the euphotic zone is referred to as new nitrogen because it is newly arrived from outside the productive layer.

Human alterations to the global nitrogen cycle are most intense in developed countries and in Asia, where vehicle emissions and industrial agriculture are highest.