The phosphorus cycle is involved in the recycling of phosphorus in the ecosystems. Table 1. The remainder of this article will deal with the biological subcycle of P. Fig. Phosphine is therefore a minor component of the environmental phosphorus pool. The carbon cycle is involved in the recycling of carbon compounds in the ecosystems.

The phosphorus cycle tracks the movement of phosphorous through the Earth's crust, the Earth's surface, and the ocean.

Thus, the phosphorus cycle starts over. Human activities alter or have the potential to alter all these cycles. [2][7], The global phosphorus cycle includes four major processes: (i) tectonic uplift and exposure of phosphorus-bearing rocks such as apatite to surface weathering;[8] (ii) physical erosion, and chemical and biological weathering of phosphorus-bearing rocks to provide dissolved and particulate phosphorus to soils,[9] lakes and rivers; (iii) riverine and subsurface transportation of phosphorus to various lakes and run-off to the ocean; (iv) sedimentation of particulate phosphorus (e.g., phosphorus associated with organic matter and oxide/carbonate minerals) and eventually burial in marine sediments (this process can also occur in lakes and rivers).

Present P distribution on global farmland must be improved and there are two important arguments for that today: the eutrophication problem and resource depletion.

However, excessive amounts of nutrients, particularly phosphorus and nitrogen, are detrimental to aquatic ecosystems. Main matter flows in the biosphere. The most common flows of matter in the biosphere, including food chains and abiotic topical ways, are presented in Figure 2. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. URL: https://www.sciencedirect.com/science/article/pii/B9780123739445000560, URL: https://www.sciencedirect.com/science/article/pii/B9780080454054007540, URL: https://www.sciencedirect.com/science/article/pii/B9780123744739002770, URL: https://www.sciencedirect.com/science/article/pii/B9781845695521500011, URL: https://www.sciencedirect.com/science/article/pii/B978012409548911992X, URL: https://www.sciencedirect.com/science/article/pii/B0122268652001073, URL: https://www.sciencedirect.com/science/article/pii/B9780080454054007436, URL: https://www.sciencedirect.com/science/article/pii/B9780128116609000163, URL: https://www.sciencedirect.com/science/article/pii/B9780128116609000175, Encyclopedia of Microbiology (Third Edition), Encyclopedia of Ocean Sciences (Second Edition), Improving nutrient management in agriculture to reduce eutrophication, acidification and climate change, Environmental Assessment and Management in the Food Industry, Phosphorus in Soils—Biological Interactions☆, Reference Module in Earth Systems and Environmental Sciences. This leads to the growth of algae. After death, the animal or plant decays, and phosphorus is returned to the soil where a large part of the phosphorus is transformed into insoluble compounds. Mullen, in Reference Module in Earth Systems and Environmental Sciences, 2019. Abiotic decomposition takes place, but its intensity is very low. The second half of the article describes current efforts underway to advance our understanding of the global phosphorus cycle. 1.“What is The Carbon Cycle?” Tribal Energy and Environmental Information, Available here. Carbon Cycle: Carbon cycle releases carbon dioxide to the atmosphere by respiration. [28] In poorly drained soils or in areas where snowmelt can cause periodic waterlogging, reducing conditions can be attained in 7–10 days. Geochimica et Cosmochimica Acta 60: 1479}1495, and Ruttenberg KC (1990) Diagenesis and burial of phosphorus in marine sediments: implications for the marine phosphorus budget. Ellen W. Chu, James R. Karr, in Encyclopedia of Biodiversity, 2001. Carbon Cycle: Carbon cycle interacts with the atmosphere. Surface and subsurface runoff and erosion from high-phosphorus soils may be major contributing factors to this fresh water eutrophication.

Here are the key steps of the phosphorus cycle Over time, rain and weathering cause rocks to release phosphate ions and other minerals. It is the most rapid and mainframe cycle in the biosphere; its dynamic properties are considered below. The former are an ‘engine’ of the cycling; they involve elements from the abiotic environment in the turnover and send them further in the composition of permanently generating high-energetic organic matter. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. The core cycle for each ecosystem is cycling 1: ‘producers–mortmass–reducers–inorganic salts–producers’. “Phosphorus cycle is a biogeochemical process that involves the movement of phosphorus through the lithosphere, hydrosphere and biosphere.”. Human impact on the phosphorus Cycle.

Close symbiosis and species peculiarity are typical for relations between producers and reducers. Biogeochemical process showing the movement of phosphorus and its different forms in nature with the help of living organisms is called the phosphorus cycle.

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