Title :
A study on food security based on farmland pressure index in Jiuquan city, China
Author :
Zhang, Bo ; Zhang, Hua
Author_Institution :
Geogr. & Environ. Coll., Northwest Normal Univ., Lanzhou, China
Abstract :
The farmland pressure index (FPI) was applied to assess the food security in Jiuquan City. The change of food security condition from 1988 to 2007 was analyzed according to the data of population, farmland area and grain yield in study area. The grey model (GM) (1, 1) was built to predict the food security condition next 10 years. The following conclusions were gotten. The FPI is greater than 1 from 2001.This indicated the food was insecurity from 2001 to 2007. The FPI will increase persistently and is greater than 1 from 2008 to 2018. This indicates the gap between food supply and demand increasingly greater. Food security situation will become more severe.
Keywords :
agricultural products; food safety; grey systems; security; supply and demand; China; FPI; Jiuquan city; farmland area; farmland pressure index; food security condition; food supply and demand; grain yield; grey model (GM) (1, 1); population data; Analytical models; Cities and towns; Fluctuations; Indexes; Predictive models; Production; Security; dynamic analysis; farmland pressure index; food security; gray model;
Conference_Titel :
Multimedia Technology (ICMT), 2011 International Conference on
Conference_Location :
Hangzhou
Print_ISBN :
978-1-61284-771-9
DOI :
10.1109/ICMT.2011.6001985
