resource reliance (case studies)

Question 1

what is the local scale attempt at food security

Answer 1

• food banks in newcastle in UK

Question 2

why are food banks good

Answer 2

• people donate food which is nutritious and can last people 3 days
• help reduce hunger and improve diets
• shops can donate unsold food
• food banks give lessons on cooking and budgeting to help people with limited money in the long term
• doesnt solve the problem of low wages - it is short term solution
• can be difficult to store fresh food

Question 3

what is the national scale past attempt at food security

Answer 3

intensification of farming from 1940s to 1980s

Question 4

how was intensification of farming done

Answer 4

• high yielding crops and animals were bred
• use of monoculture
• increased use of fertilisers, pesticides and herbicides
• machinary for sowing and harvesting
• import of food went from 70% to 20% from 1940s to 1980s

Question 5

what are the negatives of intensive farming

Answer 5

• monoculture crops can be wiped out by a single disease, disaster or pest e.g drought destroyed 500,000 tonnes of cereal crops in 1976
• monoculture reduces biodiversity
• chemical in fertilisers cause soil and water pollution
• increased soil erosion and soil infertility

Question 6

what is the present attempt at food security

Answer 6

hydroponics

Question 7

how is hydroponics sustainable

Answer 7

• Kent uses hydroponics to produce 10% of the Uks demand for peppers, cucumbers and tomatoes
• food can be grown all year round
• recycled water can be used
• can create jobs - kent has had 500 people employed for that
• use of natural predators reduces need of pesticides

Question 8

how is hydroponics not sustainable

Answer 8

• expensive to maintain this can increase food prices making it less affrodable for some people
• are built in rural areas which means ladns need to be cleared and natural habitats were destroyed
• need lots of energy to maintain greenhouse environment