What is the purpose of the biogeochemical cycles?


Updated: 6th December 2019

In geography and Earth science, a biogeochemical cycle or substance turnover or cycling of substances is a pathway by which a chemical substance moves through biotic (biosphere) and abiotic (lithosphere, atmosphere, and hydrosphere) compartments of Earth.

Keeping this in consideration, why are biogeochemical cycles important to the ecosystem?

Along with energy, water and several other chemical elements cycle through ecosystems and influence the rates at which organisms grow and reproduce. The most important biogeochemical cycles affecting ecosystem health are the water, carbon, nitrogen, and phosphorus cycles.

Why is the biogeochemical cycle useful?

These cycles are called biogeochemical cycles, because they include a variety of biological, geological, and chemical processes. Many elements cycle through ecosystems, organisms, air, water, and soil. The biogeochemical cycles transport and store these important elements so that they can be used by living organisms.

How are biogeochemical cycles useful?

Ecological systems (ecosystems) have many biogeochemical cycles operating as a part of the system, for example the water cycle, the carbon cycle, the nitrogen cycle, etc. All chemical elements occurring in organisms are part of biogeochemical cycles. It is possible for an ecosystem to obtain energy without sunlight.
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