Population And Environment - Food Production And Consumption

Question 1

What is food production like globally?

Answer 1

• has tripled globally in the last 50 years (better management and technology)
• richer countries have a greater food supply and can provide for more of their population
• Africa has the lowest food production due to environmental limitations

Question 2

What is food consumption like globally?

Answer 2

• increased globally over the years
• over 27% of Africas population suffers from food insecurity
• Asia has the quickest growth in food consumption
• richer countries consume more

Question 3

What are the inputs in agricultural systems?

Answer 3

Physical
- climate
- soil
- location
Human
- resources
- labour

Question 4

What are the processes in agricultural systems?

Answer 4

Arable and pastoral farming

Question 5

What are the outputs in agricultural systems?

Answer 5

• animal produce
• crops
• waste

Question 6

What is agricultural yield?

Answer 6

The yield in proportion to the inputs in an agricultural system

Question 7

What are the 2 factors affecting agricultural productivity?

Answer 7

• climate
• soil

Question 8

How does the climate affect agricultural productivity?

Answer 8

• majority of the world will suffer from yield declines
• extreme weather events will decrease productivity
• rising sea levels can flood low lying land

Question 9

How to soil problems affect agricultural productivity?

Answer 9

Waterlogging - excessive irrigation causes too much water to surround the roots of the plants, resulting in them ‘drowning’
Structural deterioration - trampling on the soil means it loses air, and therefore reduces infiltration
Desertification - over cultivation can cause desertification

Question 10

Define food security

Answer 10

Having available, accessible and affordable food that is safe and nutritious so that people can sustain a healthy lifestyle

Question 11

What are the 3 strategies to ensuring food security?

Answer 11

• increasing access
• increasing amount
• increasing efficiency

Question 12

How can there be increased access to food?

Answer 12

• introducing countries to foreign markets
• trade agreements and trade blocs
• aid and relief

Question 13

How can there be increased amounts of food?

Answer 13

• new technology
• educating farmers on how to better manage their production to increase yields

Question 14

How can there be increased efficiency in food production?

Answer 14

• reducing costs and increasing production
• having better storage can reduce waste