Natural Systems are coupled with Human Systems—this is a key concept.
Food Procurement:
-hunting/gathering
-cultivation of domesticated plant crops
-pastoralism: living on herds
-animal feeding and raising
-livestock, dairy,feedlots
-fish farming
Early humans probably wiped out megafauna
-tended to be mobile; they moved to follow food
-not sure how long domestication took
Neolithic Revolution
-new stone age
-appearance of primitive agriculture
Middens/Trash Heaps
-co-evolution of culture and plant traits
-things grew in trash heaps
people artificially selected crops they liked; domestication
population pressure and extinction of wild game
human pop growth and agricultural growth probably influenced one another
Malthus: carrying capacity set because of starvation
Shifting Cultivation
-mixed use; might be sustainable
-tree fallows protect soil
before machinery, limiting force on agriculture was manpower
intensity breeds greater intensification
-eliminates limiting factors
3 main elements to Green Revolution:
1. Mechanical
2. Chemical
3. Biological
