resource management

• the amount of food needed depends on sex, job and age
• women need 2000 calories
• men need 2500 calories
• the average person uses 150 litres of water per day
• 30% of water used is from the toilet
• 4% of water used is from drinking
• 75% of water is used in industry
• energy is used for transport, processed foods, heat and light
• north America and east Asia have a high supply of food
• central America and Africa have a low amount of food
• HIC like America have a high calorie intake
• LIC like Ethiopia has a low calorie intake
• NEE like china have a growing calorie intake
• exporting is when goods are sold
• importing is when goods are bought
• food miles is how far food is exported
• carbon footprint is the amount of carbon emissions released through a product life
• food consumption is increasing because of growing populations, development means they can afford more foods and as storage and transport increases there is more food available
• food security is a reliable supply of nutritious food
• food insecurity is an unreliable supply of affordable nutritious food
• countries like USA, Brazil and UK have high rate of outputs from food dew to intensive farming and investments
• countries like China and India have a large population so high agricultural outputs
• Sub-Saharan Africa has less food as unreliable weather, no investments and lack of training
• global food consumption is increasing because of...

  1. rising population
  2. economic development
• estimated population of 9 million by 2040 meaning more food is needed
• more economic development means higher disposable incomes
• economic development means wealthier countries can import all year round
• economic developments can mean industrialisation of agriculture which means more crops can be produced at a lower price so its cheaper so more people can buy it
• food supply is affected by human and physical factors
• food supply affected by human factors...

  1. conflict
  2. technology
  3. poverty
• food supply affected by physical factors...

  1. water stress
  2. climate
  3. pests and diseases
• water stress means crops are unable to grow
• a cold or too wet climate means crops fail
• 37% of the worlds wheat is at threat from wheat rust
• locust swarms affect food supply
• poverty can mean people cant afford to buy land or effectively produce crops, countries also cannot import foods
• technology can mean mechanisation of equipment improving efficiency and yield of crops as well as preventing from pests and disease
• conflict can mean destroyed agricultural land and disrupted trade routes
• negative impacts of food insecurity

  surfs
• negative impacts of food insecurity

  1. social unrest
  2. undernutrition
  3. rising prices
  4. famine
  5. soil erosion