how is the availability of food for year estimated
Answers
Answer:
Food availability is determined by food production and food trade (FAO, 2008).
Explanation:
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Answer:
The food availability data estimate the amount of food available for human consumption in the United States and Armed Forces overseas by measuring the supply of several hundred foods moving from production to marketing channels. For each commodity, ERS calculates the residual of the total annual supply available by subtracting measurable uses, such as farm inputs (feed and seed), exports, ending stocks, and industrial uses.
The food availability data series is a popular proxy for food trends and is the only source of time series data on U.S. food availability in the country. This data series also provides per capita availability data for hundreds of commodities. This page covers general information, methodological concepts, and a detailed discussion of the supply and use estimates.
Explanation:
Although USDA has collected and published information on food production since the 1860s, information on food consumption did not appear until much later. Interest in food consumption was stimulated by surpluses in agriculture following World War I. The need for accurate data became apparent in analyzing and administering production planning programs under the Agricultural Adjustment Act of 1933. One objective of these programs was to maintain adequate supplies of food for domestic consumers. Droughts in 1934 and 1936 and consequent fears of food shortages further aroused interest in analyzing the national food supply.
USDA issued its first estimates of per capita food availability in 1941 for use in appraising food requirements and resources in the war emergency. Since then, estimates of the availability of major foods have been published annually with only a few exceptions. Historical series on food availability were developed to analyze long-term trends, shifts in demand, and nutrients provided by foods. Data were estimated back to 1909 for many foods.
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