摘要
利用1980～2004年土地资源变化调查数据，分析了上黄试区土地利用变化及演变过程。结果表明：耕地和林地变化最为显著，主要表现为耕地向林地、草地及园地的转变。引起这一转变的因素是多方面的，主要有人口增长、比较利益及国家宏观政策等因素。上黄试区今后应结合当地自然和社会经济条件，大力发展特色农业。提高政策因素对土地的宏观控制能力，使土地利用向高效型、生态型及集约型发展；进行人力资本投资，重新协调人地关系，保障退耕的成果及后续产业的培养和发展。
According to the investigation data of land resources changing in Shanghuang experimental area from 1980-2004,analysis is made of the change of land utility and its evolution. The result showed that the change of farmland and forestland was quite remarkable, and the farmland was mainly transformed into forest- land,grassland and orchard. The factors leading to this transformation were various, mainly including the increase of population, comparative benefit as well as the government＇s macro policy, etc. Based on the combination of local natural condition with social economical factors, a few suggestions were put forward on the questions of land-using in Shanghuang experimential area, such as highlighting feature agricultural industry, improving macro management of policy to land utilizing, realizing effective, ecological and intensive utilizing development, conducting investment of labor and capitals and re-adjusting the relationship between land and its inhabitants, so as to ensure the effects of cultivated land as well as the nurturing and development of the relayed industries.
出处
《干旱地区农业研究》
CSCD
北大核心
2008年第3期232-235,共4页
Agricultural Research in the Arid Areas
基金
国家科技支撑课题(2006BAD09B08)
国家林业局荒漠化监测专项
关键词
黄土丘陵区
上黄试区
土地利用演变
loess hilly region
Shanghuang experimental area
land utility evolution
