What is the history of agriculture in Africa?
The first agriculture in Africa began around the Sahel and the south of the Sahara Desert, which in 5200 BC was far more moist and densely populated than today. Several native species were domesticated, most importantly pearl millet, sorghum and cowpeas, which spread through West Africa and the Sahel.
What is the historical background of demography?
Historical demography is a social science history, where the use of analytical concepts and measures is explicitly made. As such historical demography came into existence when an innovative method was applied to Christian church registers of marriage, baptism, and burial in the 1950s.
What is the demographic trends in Africa?
Sub-Saharan Africa continues to undergo profound demographic changes, including a rapid decline in death rates, particularly among children; a more than tripling of its population, from 186 million in 1950 to 670 million in 2000; and a forecast doubling the population by 2060.
How did agriculture change the way early Africans lived?
Farming meant that people did not need to travel to find food. Instead, they began to live in settled communities, and grew crops or raised animals on nearby land. They built stronger, more permanent homes and surrounded their settlements with walls to protect themselves.
What year did agriculture begin in Africa?
about 3000 BCE
Farming did eventually emerge independently in West Africa at about 3000 BCE. It first appeared in the fertile plains on the border between present-day Nigeria and Cameroon. It is possible there finally was a “Garden of Eden” there to “trap” people into early farming.
What is the main agriculture in Africa?
Africa produces all the principal grains—corn, wheat, and rice—in that order of importance. Corn has the widest distribution, being grown in virtually all ecological zones. Highest yields per acre are recorded in Egypt and on the Indian Ocean islands of Réunion and Mauritius, areas where production is under irrigation.
What are the three 3 main components of demography?
Demographers seek to understand population dynamics by investigating three main demographic processes: birth, migration, and aging (including death). All three of these processes contribute to changes in populations, including how people inhabit the earth, form nations and societies, and develop culture.
What are the five 5 demographic processes?
Demographers study five processes: fertility, mortality, marriage, migration and social mobility. These processes determine populations’ size, composition and distribution.
What are the 5 stages of demography?
- (1) FIRST STAGE (High stationary) It is characterized by both.
- (2) SECOND STAGE (Early expanding) It begins with the.
- (3) THIRD STAGE (Late expanding) *Death rate declines further and.
- (4) FOURTH STAGE (Low stationary) This stage is characterized with.
- (5) FIFTH STAGE: (Declining)
Who started agriculture in Africa?
African farmers arrived in southern Africa around 250 AD, which is about 1 000 years ago, from further north in Africa. They were Bantu-speaking people and lived in an era that archaeologists call the Iron Age.
What is the brief history of agriculture?
The history of agriculture is the story of humankind’s development and cultivation of processes for producing food, feed, fiber, fuel, and other goods by the systematic raising of plants and animals. Prior to the development of plant cultivation, human beings were hunters and gatherers.
What theories explain the origin of agriculture in Africa?
The Oasis Theory (known variously as the Propinquity Theory or Desiccation Theory) is a core concept in archaeology, referring to one of the main hypotheses about the origins of agriculture: that people started to domesticate plants and animals because they were forced to, because of climate change.
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