By Tim Dyson
Population and Food examines contemporary developments in foodstuff construction and assesses the customers for feeding humanity within the twenty-first century. With case reviews from during the constructed and constructing global, the publication means that nutrients creation in so much global areas has stored prior to inhabitants development, that destiny foodstuff construction customers are encouraging, and that during all chance the folks of the realm can be higher fed within the twenty-first than within the 20th century.
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Additional info for Population and Food: Global Trends and Future Prospects
5Also, full time series data (rather than statistics for selected periods) are presented whenever possible. The issue of how time series can be interpreted in selective ways is touched on in chapter 3. 24 POPULATION AND FOOD TODAY environmental conditions is often rather new. Also, the sheer technical and logistical difficulties of assembling global data sets on, for example, the extent of soil erosion or the depletion of water supplies are very great. Moreover, an especially large element of judgement may be involved in assessing changes in environmental conditions—for example, as to whether or not the Sahara desert is creeping southwards.
E. calorie— intake probably also provide enough protein, although young growing children, and pregnant and lactating women, may have additional protein requirements. g. 17 However, to reiterate, the world food problem today is primarily defined in terms of dietary energy deficiency, or undernutrition. 18 We have already seen that cereals are the most important single element in the human diet. 19 Only a few countries conduct systematic and nationally representative surveys of food consumption which enable direct assessments of calorie intake to be made.
1 This is based upon the results of many different national population censuses and surveys. The revision provides fairly accurate estimates of population totals and population growth rates for the world’s countries from 1950 onwards, together with corresponding estimates of birth rates and death rates. All these demographic statistics have problems. 2 Nevertheless, these demographic statistics are certainly the most trustworthy set of data which we will use. 22 POPULATION AND FOOD TODAY For many reasons data relating to agriculture and food tend to be much more difficult to interpret.