R-Reliance Flashcards
(7 cards)
Physical factors affecting food security?
Climate
Water stress
Diseases
Human factors that affect food security?
Poverty
Tech
Conflict
What were the two theories of food supply?
Malthus and Boserup
What was Malthus’ theory?
That population would grow faster than food supply.
People would go to war and die of famine causing population to decrease and return to normal.
What was Boserups theory?
However big population was, people would always produce sufficient food.
What is hydroponics?
Grows plants without soil, maximising crop yield.
Less water means less diseases.
VERY EXPENSIVE.
What are small-scale methods to be sustainable?
Permaculture = grow own food (autarky)
Urban gardens = empty spaces to grow food.
Allotments = socially sustainable and cheap.