Biogeochemical Cycles YouTube Lecture Handouts

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Biogeochemical Cycle

Contents

Sedimentary Cycle

  • Phosphorous cycle
  • Human Impact on phosphorus cycle
  • Sulfur Cycle
  • Acid Rain
  • Adverse Effects

Phosphorus Cycle

Phosphorous Cycle - Where is It Possible
  • Main Component of Nucleic Acid
  • Part of energy storing molecules
  • Bones and Teeth

Main Reservoir- Rocks

Small cycle + Global cycle

Human Impact on Phosphorous

  • Dead zone due to lack of oxygen in water resources
  • Health related problems

Sulfur Cycle

  • Natural form-Solid
  • Amino acids , protein, Vitamins and enzymes
  • Main Reservoir- Rocks & Oceans

Sulfur Cycle

Sulfur Cycle Image

Acid Rain

2

Effects

  • Disturbance of blood circulation
  • Eye related
  • Reproductive failure
  • Immune System
  • Damage of liver & kidney function

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