Movement of elements or molecules among organisms and nonliving compartments of the atmosphere,
lithosphere, and hydrosphere.
Note 1: Examples of biogeochemical cycles are the carbon, nitrogen, phosphorus, and sulfur cycles. These are defined as the global flow of C, N, P, and S atoms, respectively, from plants through animals to the atmosphere, soil, water, and back to plants.
Note 2: The water cycle refers to the global flow of water from surface and ground water sources to soil, plants, animals, and the atmosphere, and back to soil and surface water.
The term "biogeochemical cycle" was found in the following pages: