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Yunnan Province arable land distribution and change and food security

Author: ZhangZuo
Tutor: FangYuanMin;ZhaoQiaoGui
School: Kunming University of Science and Technology
Course: Surveying and Mapping Engineering
Keywords: The farmland distribute and variety Food safety Yunnan province GIS
CLC: F326.11
Type: Master's thesis
Year: 2009
Downloads: 86
Quote: 0
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Abstract


The food problem is a relation national policy the basic problem of the people’s livelihood, but a nation or region of food safety main be decided by an its farmland resources amount of how much, Gao Di of the quality, produce size and farmland of rate exploitation structure etc. factor. Recent years, ecosystem protection under the target of back Geng return wood’s engineering, market mechanism drive bottom of the agriculture structure be strategic adjust and the city turn a non-agriculture within progress construction to take up farmland fierce increase and many nature the disaster result in of the farmland damage etc., not only cause farmland amount decrease and quality descend of rigorous resources reality, and on the deeper time still incubate the food supply with safety of complications society problem.This thesis research with science development view is instruction, with"analysis farmland resources and its background condition→investigation farmland resources variety timespace regulation and driving force→analysis food produce condition and farmland variety and food produce relation→fixed amount all of valuation province food safety present condition and future foreground→study guarantee food safety target of farmland make use of and protection measure system" for lord line, adoption theories analysis and on-site inspection combine together, GIS technique and model method combine together, qualitative analysis and quantitative analysis combine together, on the noodles analysis and typical model imitate combine together, problem diagnosis and expert consultation combine together etc. variety method, with Yunnan province county class land make use of investigate and agriculture economy statistics database is basic basis, and substantial evidence in the typical model district investigation is importance foundation, take the GIS technique and the model method as a technique support, thorough systematically openned an exhibition Yunnan province farmland resources variety and food safety of substantial evidence research.

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CLC: > Economic > Agricultural economy > China 's agricultural economy > Agricultural sector economy > Farming > Food crops
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