| 黄土丘陵区生态建设中农林牧土地结构优化模式探讨 |
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| 引用本文： | 徐学选,张世彪,王栓全.黄土丘陵区生态建设中农林牧土地结构优化模式探讨[J].干旱地区农业研究,2001,19(2):94-99. |
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| 作者姓名： | 徐学选 张世彪 王栓全 |
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| 作者单位： | 1. 西北农林科技大学,
2. 甘肃农业勘探设计院, |
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| 基金项目： | 国家“九五”科技攻关专题(96-004-05-13)；中国科学院创新项目“黄土高原生态环境建设试验示范研究”支助 |
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| 摘 要： | 利用线性规划方法，针对黄土丘陵区的农林牧用地结构进行优化模式设计，以最大收入为目标函数，在生态、社会效益需求的约束下，优化后的用地结构为非生产用地、农地、林地、牧草地各占13％、18％、32％、37％。运用优化模式模拟，人均纯收入达3891元，人均占有粮700kg，水土流失模数为4800t/km^2。
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| 关 键 词： | 线性规划 土地利用结构 生态经济建设 黄土丘陵区 农林牧业 |
| 文章编号： | 1000-7601(2001)02-0094-06 |
| 修稿时间： | 2000年11月28 |
Optimizing land use structure by linear programming in the loess hilly region for constructing eco-agriculture |
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| XU Xue-xuan,ZHANG Shi-biao,WANG Shuan-quan.Optimizing land use structure by linear programming in the loess hilly region for constructing eco-agriculture[J].Agricultural Research in the Arid Areas,2001,19(2):94-99. |
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| Authors: | XU Xue-xuan ZHANG Shi-biao WANG Shuan-quan |
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| Abstract: | By using linear programming methods the authors proposed that the optimal land use structure with unused land, agricultural land, forest land and pasture land account for 13%, 18%, 32%, 37% respectively. With the optimal land use structure the profit is greatly increased: income per capital reaches 3 891 yuan, silt lose module at 4 800 t/（km2*a）, and food is safe with more than 700 kg/per-capital. Furthermore the income structure also improved greatly by increasing pasture part (in particular the constructing of artificial grassland) and decreasing cropping land. The optimal land use structure can be extended in loess hilly region to advance the eco-agriculture construction in Northwest China. |
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