Overview
The nitrogen cycle is a vital ecological process that recycles nitrogen through various forms, making it available for living organisms. It involves several key processes, including nitrogen fixation, where atmospheric nitrogen is converted into ammonia, and nitrification, where ammonia is transform...
Key Terms
Example: Certain bacteria in the soil perform nitrogen fixation.
Example: Nitrifying bacteria convert ammonia into nitrates that plants can absorb.
Example: Denitrifying bacteria help return nitrogen to the atmosphere.
Example: Decomposers break down dead organisms, releasing ammonia.
Example: Fertilizer runoff can cause eutrophication in lakes.
Example: Legumes and nitrogen-fixing bacteria have a symbiotic relationship.
Related Topics
Phosphorus Cycle
The phosphorus cycle describes the movement of phosphorus through the lithosphere, hydrosphere, and biosphere, essential for plant growth.
intermediateCarbon Cycle
The carbon cycle involves the transfer of carbon among the atmosphere, land, and oceans, playing a key role in climate regulation.
intermediateSoil Chemistry
Soil chemistry studies the chemical composition of soil and its interactions with plants and the environment.
advancedKey Concepts
Nitrogen FixationNitrificationDenitrificationAmmonification