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An alternative hypothesis to the development of agriculture is directly correlated with population growth. Both Mark Cohen and Lewis Binford attribute that with the pressures on food availability caused by population growth, agriculture was an innovative development which helped sustain growing societies. Louis Binford's model for agriculture weaves pieces of both Childe's and Braidwood's hypotheses. Binford suggests that hunting-gathering groups maintained equilibrium between their population size and availability of resources in order to remain under the environment's carrying capacity (Watson 26). This idea explains why foraging groups were successful; they kept a control on the food intake for each person. During the Younger Dryas, as climate became colder and drier, groups moved to the coastal regions where they became sedentary, as Childe had concluded. The difference however is that Binford focuses on population size as the stressor and instigator for agriculture. Groups congregated into the optimal zones, putting pressure on the available resources as well as creating an imbalance on the carrying capacity. This caused some groups to move out of the optimal zones and settle along the peripheries that had drought-resistant plants and smaller-sized animals (5 Nov 2009). With the increased pressure of supporting population sizes and the need to remain under the area's carrying capacity, "groups intensif their subsistence practices in the direction of domesticating plants and animals" (Watson 26). The necessity for subsistence strategies in addition significantly impacted society's social and economic factors, demonstrated through Brian Hayden's social competition theory. This theory establishes that sedentism preceded agriculture. In order for the sedentary lifestyle to persist and work efficiently, rank societies were established. In response to social hierarchies, there is an inherent need to accumulate power and prestige. Power is equated to food, and in order for elites to maintain their prestige and power they need to be maintain large quantities of food. To exponentially increase their possession of food, the development of agriculture comes into effect. Hayden proposes that the development of agriculture is a result of stress from social competition and the change in the social environment (10 Nov 2009). This change in societal structure is not the result of agriculture but it is more so the cause of agriculture (10 Nov 2009). Hayden also states that agriculture can only occur in locations where there is already an abundance of food and where it can be reproduced (Zeder 2006: 111). The reason for this is that large societies would not put their inhabitants at risk attempting a new method of food accumulation if environmental conditions were unsuitable. The development of agriculture, if conditions were successful, was able to produce surpluses which increased rank of elites and created storage for food. Agriculture also increased long distance trade and cross cultural relationships. With the presence of surpluses, societies could afford to give something away (5 Nov 2009). A flaw in Hayden's model is that he also fails to address Braidwood's question concerning the reason for why agriculture only occurs in the Holocene and not earlier. |
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