Monday, May 26, 2008

Characteristics of famine


Today, famine strikes Sub-Saharan African countries the hardest, but with exhaustion of food resources, overdrafting of groundwater, wars, internal struggles, and economic failure, famine continues to be a worldwide problem with millions of individuals suffering. These famines cause widespread malnutrition and impoverishment; The famine in Ethiopia in the 1980s had an immense death toll, although Asian famines of the 20th century have also produced extensive death tolls. Modern African famines are characterized by widespread destitution and malnutrition, with heightened mortality confined to young children. Relief technologies including immunization, improved public health infrastructure, general food rations and supplementary feeding for vulnerable children, has blunted the mortality impacts of famines, while leaving their economic consequences unchanged. Humanitarian crises also arise from civil wars, refugee flows and episodes of extreme violence and state collapse, creating famine conditions among the affected populations.

Causes of famine
In biological terms, a population beyond its regional carrying capacity causes famine. While the operative cause of famine is an imbalance of population with respect to food supply, some famines are caused by a combination of political, economic, and biological factors. Famines can be exacerbated by poor governance or inadequate logistics for food distribution. In some modern cases, it is political strife, poverty, and violence that disrupts the agricultural and food distribution processes. Modern famines have often occurred in nations that, as a whole, were not initially suffering a shortage of food. One of the largest historical famines (proportional to the affected population) was the Great Irish Famine, 1845-1849, which began in 1845 and occurred as food was being shipped from Ireland to England because the English could afford to pay higher prices. The largest famine ever (in absolute terms) was the Chinese famine of 1958–61 that occurred as a result of the Great Leap Forward. In a similar manner, the 1973 famine in Ethiopia was concentrated in the Wollo region, although food was being shipped out of Wollo to the capital city of Addis Ababa where it could command higher prices. In contrast, at the same time that the citizens of the dictatorships of Ethiopia and Sudan had massive famines in the late-1970s and early-1980s, the democracies of Botswana and Zimbabwe avoided them, despite having worse drops in national food production. This was possible through the simple step of creating short-term employment for the worst-affected groups, thus ensuring a minimal amount of income to buy food, for the duration of the localized food disruption and was taken under criticism from opposition political parties and intense media coverage.
The failure of a harvest or the change in conditions, such as drought, can create a situation whereby large numbers of people live where the carrying capacity of the land has dropped radically. Famine is often associated with subsistence agriculture, that is, where most farming is aimed at producing enough food energy to survive. The total absence of agriculture in an economically strong area does not cause famine; Arizona and other wealthy regions import the vast majority of their food, since such regions produce sufficient economic goods for trade.
Disasters, whether natural or man-made, have been associated with conditions of famine ever since humankind has been keeping written records. The Torah describes how "seven lean years" consumed the seven fat years, and "plagues of locusts" could eat all of the available food stuffs. War, in particular, was associated with famine, particularly in those times and places where warfare included attacks on land, by burning or salting fields, or on those who tilled the soil.

Effects of famine

The demographic impacts of famine are sharp. Mortality is concentrated among children and the elderly. A consistent demographic fact is that in all recorded famines, male mortality exceeds female, even in those populations (such as northern India and Pakistan) where there is a normal times male longevity advantage. Reasons for this may include greater female resilience under the pressure of malnutrition, and the fact that women are more skilled at gathering and processing wild foods and other fall-back famine foods. Famine is also accompanied by lower fertility. Famines therefore leave the reproductive core of a population—adult women—lesser affected compared to other population categories, and post-famine periods are often characterized a "rebound" with increased births. Even though the theories of Thomas Malthus would predict that famines reduce the size of the population commensurate with available food resources, in fact even the most severe famines have rarely dented population growth for more than a few years. The mortality in China in 1958–61, Bengal in 1943, and Ethiopia in 1983–85 was all made up by a growing population over just a few years. Of greater long-term demographic impact is emigration: Ireland was chiefly depopulated after the 1840s famines by waves of emigration.