Food Flashcards
Aquaculture still puts pressure on the environment because
Carnivorous species like salmon require 3kg of wild krill+small fish for 1kg salmon
Aquaculture is important because
It provides 40% of the worlds fish stocks
Singapore uses hydroponics and aeroponics and meets
10% of the states food needs using only 1.6% of land
What is the salinity of rivers in the Mekong Delta?
3g/litre
Salt water creep of
4ppthousand has reached 35miles inland
In the Mekong Delta, how many hectares are used for farming?
2.6 million hectares
Why is the Mekong Delta at a high risk of flooding?
Half the land is less than 2m above sea level
What % of national rice production is from the Mekong Delta?
54%
Example of a flood in the Mekong Delta area
In 2000 there’s was severe weather that flooded tens of thousands of hectares of rice paddies and led to a loss of $35 million
The changing diet of vietnam is worrying because
8-10kg of wheat is needed to produce 1 kg of meat!
In what year did the increase in food production force the Vietnamese government to put a cap on exports?
2009
Cap at 1 mill tonnes
Increased food security
GM soya is grown on
Half of Argentina’s arable land (the area of the UK!)
GM soya increases yields by up to
173%
Monsanto’s seeds are used to grow
93% of US soybeans
GM soya puts smaller farmers at a disadvantage because-
- if on marginal land, price of corporate seeds and agro chemicals may put them into debt
- 150 000 smaller farmers have been driven off their land by larger corporations to increase profit in Latin America
