Food Security Flashcards
What is food security?
When people at all times have sufficient nutritious, safe food to maintain a healthy and active life.
What are the 4 aspects of food security?
- Food availability
- Food access
- Food use
- Stability of food system
How many people do not have sufficient protein or energy in their diet?
1 in 7
What causes food insecurity?
- Poverty
- Poor governance
- Pandemic
- Poor infrastructure
- Conflict
- Climate change
- Low agricultural productivity
Is crop yield per area increasing or decreasing?
Increasing.
What happens as a result of increasing crop yield?
Increasing population - not sustainable
What percent of yield increase is due to agricultural intensification?
86%
What has happened as a result of the green revolution?
- Yield increase - by breeding and choosing better plants
- Cropping intensity - farms are more efficient
Why don’t some farmers adopt yield enhancing techniques?
- No economic incentive
- Poor information and technical skills
- Inadequate infrastructure
- Local conditions
What agronomist led the green revolution?
Norman Borlaug
How many people are there estimated to be in the world by 2050?
Where will the biggest increase be?
80 million
Asia and Africa. It will exacerbate poverty.
How much must cereal and meat production increase by by 2050?
Cereal - 70%
meat - 85%
What causes plateaus in current yield trends?
- Limits to technology
- Nutrient crisis
- Climate change
- Soil degradation
- Competition with biofule production
What are climate refugees?
People who can no longer crop crops in countries due to climate change so move to other countries.
How can food production be increased?
- By conserving ecosystems
- Building climate resistance
- Increasing sustainability
- Conserving water supply
