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Lecture 8: Human Population and agriculture food and biotechnology…
Lecture 8: Human Population and agriculture food and biotechnology
Population growth
Earth is growing but more slowly
Is population growth really a problem today
Population is a factor that affects the environment
Environment has a carrying capacity for human
Paleolithic period
Neolithic
Industrial Revolution
Medical-Technological revolution
Population Change
Some nations have experienced a demographic transition
Agriculture food and biotechnology
Qualitative measurement of nutrition needs
Undernutrition
Overnutrition
Qulaitative measurement of food quality
Malnutrition
Food security: all people having access to food at all times
Solution: Stabilize global population
Agricultural change
We have changed the way we grow food over time
Types of farming
Subsistence
Industrial Agriculture
Modifications to farming
Green revolution
Increasing livestock yeilds
Genetic enginereering
GMOs
Sustainable Agriculture
Fisheries of the world
Fisheries problem
Fish stocks
Modern Fishing
Bycatch
World Seafood Harvest
The future of food?
Environmental impacts