[1]于海影,韦安胜,陈竹君.杨凌示范区土地利用现状分析与评价[J].水土保持研究,2015,22(05):158-162.
　YU Haiying,WEI Ansheng,CHEN Zhujun.Analysis and Evaluation of Land Use Status in Yangling[J].Research of Soil and Water Conservation,2015,22(05):158-162.
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杨凌示范区土地利用现状分析与评价

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 22 期数: 2015年05期 页码: 158-162 栏目: 出版日期: 2015-10-28
Title:
Analysis and Evaluation of Land Use Status in Yangling
作者:
于海影1,2, 韦安胜1, 陈竹君1,3
1. 西北农林科技大学 资源环境学院, 陕西 杨凌 712100;
2. 康马县国土资源局, 西藏 康马 857500;
3. 农业部 西北植物营养与农业环境重点实验室, 陕西 杨凌 712100
Author(s):
YU Haiying1,2, WEI Ansheng1, CHEN Zhujun1,3
1. College of Natural Resources and Environment, Northwest A & F University, Yangling, Shaanxi 712100, China;
2. Kangma Bureau of Land and Resources, Kangma, Tibet 857500, China;
3. Key Laboratory of Plant Nutrition and the Agro-Environment in Northwest China, Ministry of Agriculture, Yangling, Shaanxi 712100, China
关键词:
土地利用现状; 层次分析法; 土地利用评价; 杨凌示范区
Keywords:
land use status; hierarchy analytic process; land use evaluation; Yangling
分类号:
F301.24
摘要:
基于权的最小平方法建立土地利用现状评价体系和标准，从土地开发利用程度、土地集约经营程度、土地利用综合效益3个方面对杨凌农业高新技术产业示范区土地利用现状进行定量评价。结果表明：（1）杨凌示范区土地开发利用程度达到较高水平，主要贡献者为土地建设利用率。土地集约经营程度亦较高，原因在于政府通过“土地银行”对农户家庭土地进行流转，流转的土地主要向高投入高产出的设施栽培集约化经营用地等转移，农业用地投入产出率高；（2）土地利用综合效益处于中等水平，主要由于人均耕地面积少，且粮食作物单产及经济效益较低。土地利用现状综合评价结果说明土地利用仍处于可持续合理阶段；（3）农业土地利用中设施栽培用地过量施肥问题突出，存在以高投入换取高产出的现象。在提高土地利用效益时，土地利用评价中如何平衡经济效益与环境及粮食安全等评价因素是值得考虑的问题。
Abstract:
We established evaluation index system of land use status and standard based on weighted least square method, quantitatively evaluated land use of Yangling from perspectives of land development degree, intensive land use degree and comprehensive profits of land use. The results showed that: (1) land development degree of Yangling reached to the high level, and the major contributor was the construction of land utilization; intensive land use degree was higher due to the local government using the ’land bank’ for the farm household land transfer; most of the transferred land went to high input and high output greenhouse land use, which had the higher input-output ratio; (2) comprehensive profits of land use were at the middle level mainly due to less arable land per capita, and low crop yields and economic returns; land use comprehensive evaluation results showed that land use was still in sustainable reasonable use phase; (3) excessive application of fertilizers was very common in agricultural land use, therefore, how to balance economic and environmental and food safety is a big issue to be studied in the future.

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备注/Memo

收稿日期:2014-10-05;改回日期:2014-11-11。
基金项目:中英农业国际合作项目；国家“十二五”科技支撑计划项目课题（2012BAD15B04）
作者简介:于海影(1984-),女,黑龙江克山县人,硕士,研究方向为土地利用评价。E-mail:yuhaiying3@163.com
通讯作者:陈竹君(1964-),女,陕西杨凌人,博士,副教授,主要从事土壤学及土地资源调查与评价研究。E-mail:zjchen@nwsuaf.edu.cn

更新日期/Last Update: 1900-01-01