biodiversity and waste

• describe biodiversity

  variety of all different species in an ecosystem
• describe affect of increasing population
• give types of pollution

  water - sewage, fertiliser and toxic chemicals

  air - smoke and gases

  land - landfill and toxic chemicals
• give cause of increased pollution

  • increased population
  • increased standard of living
  • increased use of raw materials
• give methods to maintain biodiversity

  • breeding programmes
  • protect and regenerate rare habitats
  • reintroduce hedgerows and field margins
  • regulations and laws on carbon dioxide emission and deforestation rates
  • encouragement to reduce waste
• give disadvantages of maintaining biodiversity

  • expensive
  • meet demands of standard of living
  • damage peoples livelihood
  • meet demand for food security