Lec 2 Flashcards
What are the steps in the nitrogen cycle? (7)
-Nitrogen fixation
-Assimilation.
-Ammonification.
-Nitrification.
-Denitrification.
-Dissimilatory nitrate reduction to ammonium.
-Anaerobic ammonia oxidation.
-Other processes
What does UN stand for?
United Nations - protects human rights
What does FAO stand for?
Food Agriculture Organization - decrease hunger and increase food security
What is UNICEF?
United Nations Children’s fund - Emergency relief and aid to children
What is WFO?
World Food Programme - world wide food assistance
What is OECD?
Organization for Economic Co-operation and Development - composed of 38 member countries - create economic and environmental change
What is an approximation of the world population?
8,000,000,000 - 8 billion
Is the world population trend rising or falling?
rising from 8 to 10 billion by 2057
What is pencks estimate on how many people we can feed?
P= (productive area X production per unit of area) / (average nutritional requirement per person) = 15.9 billion
Define food security
When all people at all times have access to sufficient, safe, and nutritious food to meet their dietary needs and food preferences for an active and healthy life
What is the global number of food insecure people?
2 billion
What are the four pillars of food security?
- food availability
- food access
- food utilization
- food stability
What is the physical availability of food?
supply side of food security
- determined by the level of food production, stock levels and net trade
What is the economic and physical access to food?
adequate security of food at the national and international level does not itself guarantee household level food security
What is food utilization?
The way the body makes the most of various nutrients in the food - nutritional status of individuals
