Human impacts to changes in the carbon cycle

• Extracting and burning of fossil fuels releases carbon dioxide into the atmosphere
• What does the extracting and burning of fossil fuels release?

  carbon dioxide
• Deforestation reduces the size of carbon store
• What store does deforestation reduce?

  carbon store
• If the cleared forest is burned there is a rapid flow of carbon from the biosphere to the atmosphere
• When a cleared forest is burned what is there a rapid flow of?

  carbon
• When a cleared forest is burned what happens?

  there is a rapid flow of carbon from the biosphere to the atmosphere
• Animals release carbon dioxide and methane when they respire and digest food
• What do animals release when they respire and digest food?

  carbon dioxide and methane
• What do animals do that make them release carbon dioxide and methane?

  respire and digest food
• Ploughing can release carbon dioxide stored in soil due to the breaking up of the surface
• What does ploughing release stored in the soil?

  carbon dioxide
• What causes carbon dioxide to be released from ploughing?

  breaking up of the surface
• As the world's population is rising so has food production. as a result carbon emissions from farming practices have increased
• Changes to the land use such urbanisation has increased the removal of vegetation reducing carbon storage in the biosphere
• What has urbanisation increased the removal of?

  vegetation
• What does removal of vegetation reduce in the carbon cycle?

  carbon storage
• Where is carbon storage reduced in?

  the biosphere