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Questions and Answers
What is the source of phosphorus in igneous rocks?
What is the source of phosphorus in igneous rocks?
Apatite (Ca5(PO4)3+)
What is the role of phosphorus in biological organisms?
What is the role of phosphorus in biological organisms?
Component of DNA, RNA, ATP, proteins, and enzymes
What is a significant source of phosphorus from human activities?
What is a significant source of phosphorus from human activities?
Human waste and anthropogenic sources
What is the fate of phosphorus in plant and animal corpses?
What is the fate of phosphorus in plant and animal corpses?
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What is the primary mechanism of phosphorus transport from land to water?
What is the primary mechanism of phosphorus transport from land to water?
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What type of organisms are responsible for the decay of organic matter in aquatic ecosystems?
What type of organisms are responsible for the decay of organic matter in aquatic ecosystems?
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What is the primary form of phosphorus available to phytoplankton in aquatic ecosystems?
What is the primary form of phosphorus available to phytoplankton in aquatic ecosystems?
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What is the fate of phosphorus in anoxic environments?
What is the fate of phosphorus in anoxic environments?
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What is the primary form of phosphorus in inorganic sediments?
What is the primary form of phosphorus in inorganic sediments?
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Study Notes
Phosphorus Cycle
- Phosphorus sources include igneous rocks, apatite (Ca5(PO4)3+) and subsequent weathering.
Phosphorus Accumulation
- Phosphorus is accumulated in biota as a component of DNA, RNA, ATP, proteins, and enzymes.
Anthropogenic Sources
- Human waste and anthropogenic sources (human activities) contribute to phosphorus accumulation.
Decomposition
- Decay and mineralization of plant and animal corpses release phosphorus.
Phosphorus Cycle in Pelagic Waters
- Phosphorus cycle in pelagic waters involves:
- Erosion
- Streams, rivers, windblown, and aerial deposition
- Sedimentary cycle
- Particulate-P in organic detritus
- Bacterioplankton
- Phytoplankton
- PO4 (BAP)
- Zooplankton
- Anoxia
- Soluble organic-P
- Decay
- Fish
Sedimentary Phosphorus
- Inorganic sediment forms, such as Ca3(PO4)2, Fe3(PO4)2, and organic sediment.
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Description
This quiz covers the processes involved in the phosphorus cycle, including sources, accumulation, anthropogenic sources, decomposition, and the cycle in pelagic waters.
