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Ag Hearths Where were plants and animals first domesticated?

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Presentation on theme: "Ag Hearths Where were plants and animals first domesticated?"— Presentation transcript:

1 Ag Hearths Where were plants and animals first domesticated?

2 Seed & vegetative Hearths

3 Animal Domestication

4 Subsistence Agriculture Where & why there?

5 What are the characteristics of subsistence agriculture? As we move through this power point think about: The characteristics of subsistence ag Where and why there?

6 Climate Type?

7 How about the climate here?

8 Pastoral Nomadism Nomadic herding is a subsistence practice type of grazing. People raise animals for their own food and move them from place to place to areas of available pasture. Nomadic herding still exists in the world today in the areas of Northwest Asia, the Middle East, North Africa and the Arctic Tundra. Characteristics of nomadic herding are: Subsistence Travel Sparse forage Covers a large area of the earth’s surface Few products enter world trade Poor quality livestock Inadequate diets for livestock and people Extensive - takes a large land area to produce enough food for people to survive Found in extreme climates (dry or cold) Generally in LDCs (Less Developed Countries)

9 Shifting Cultivation

10 Where and why there? rainforest soils are not very fertile heavy rainfall leaches out the important nutrients from the soil Thus natives of rainforests move their area of cultivation every 3-4 years Takes place in tropical climates in South America, Africa and South East Asia

11 Intensive Subsistence Agriculture

12 Intensive = lots of labor per acre of output Intensive Subsistence Ag = small landholdings Farmers must work intensively to subsist on their land Where: Primarily in S. and SE Asia + Southern and eastern China What: rice and wheat in Asia, corn and potatoes in the Americas

13 What explains the patterns here?

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17 Subsistence Ag Summary


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