Phosphorus cycle — The phosphorus cycle is the biogeochemical cycle that describes the movement of phosphorus through the lithosphere, hydrosphere, and biosphere. Unlike many other biogeochemical cycles, the atmosphere does not play a significant role in the… … Wikipedia
phosphorus cycle — circulation of phosphorus in various forms through nature. Of all the elements recycled in the biosphere, phosphorus is the scarcest and therefore the one most limiting in any given ecological system. It is indispensable to life, being… … Universalium
phosphorus cycle — /ˈfɒsfərəs saɪkəl/ (say fosfuhruhs suykuhl) noun the biogeochemical cycle in which phosphorus, an essential nutrient for plants and animals, is transferred from living things to rocks, sediments, and the ocean floor and then back to living things …
Cycle Du Phosphore — Le cycle du phosphore est un cycle biogéochimique mettant en jeu le phosphore. Schéma du cycle du phosphore Sommaire 1 … Wikipédia en Français
Phosphorus — This article is about the chemical element. For other uses, see Phosphorus (disambiguation). silicon ← phosphorus → sulfur … Wikipedia
Cycle du phosphore — Le cycle du phosphore est un cycle biogéochimique mettant en jeu le phosphore. Schéma du cycle du phosphore Sommaire 1 Généralités … Wikipédia en Français
Biogeochemical cycle — A commonly cited example is the water cycle. In ecology and Earth science, a biogeochemical cycle or substance turnover or cycling of substances is a pathway by which a chemical element or molecule moves through both biotic (biosphere) and… … Wikipedia
Water cycle — The Earth s water is always in movement, and the water cycle, also known as the hydrologic cycle, describes the continuous movement of water on, above, and below the surface of the Earth. Since the water cycle is truly a cycle, there is no… … Wikipedia
Nitrogen cycle — Schematic representation of the flow of nitrogen through the environment. The importance of bacteria in the cycle is immediately recognized as being a key element in the cycle, providing different forms of nitrogen compounds assimilable by higher … Wikipedia
Nutrient cycle — … Wikipedia
