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Yellowstone national park processes

matter gained by ecosystems 

  • Immigration

  • Water born deposits (e.g. sediments from floods)

  • Wind born deposits

  • Agricultural activities (e.g. fertilisers)

matter lost by ecosystems 

  • Emigration

  • Erosion; leaching of soils

  • Fire

  • Land clearing, logging etc

  • Harvesting, transport of stock to slaughter

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