Summary

This document provides an overview of the phosphorus cycle, starting with its sources and nature. It covers aspects of the cycle in different environments, including sedimentary cycles and pelagic waters. It's a good resource for understanding the movement of phosphorus through various ecosystems.

Full Transcript

Phosphorus cycle Sources and nature of P igneous rocks, apatite (Ca5(PO4)3+) & subsequent weathering P accumulated in the biota (component of DNA, RNA, ATP, proteins & enzymes human waste & anthropogenic sources (human activities) decay & mineralization of plant & animal corpses P cyc...

Phosphorus cycle Sources and nature of P igneous rocks, apatite (Ca5(PO4)3+) & subsequent weathering P accumulated in the biota (component of DNA, RNA, ATP, proteins & enzymes human waste & anthropogenic sources (human activities) decay & mineralization of plant & animal corpses P cycle Sedimentary cycle P-cycle in pelagic waters: Erosion Streams, rivers, Sewage windblown & aerial deposition Bacterioplankton Particulate-P in Phytoplankton organic detritus PO4 (BAP) Zooplankton Anoxia Soluble Decay organic-P Fish Organic Inorganic sediment sediment eg. Ca3(PO4)2, Fe3(PO4)2

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