| 东北草原区产草量和载畜平衡的遥感估算 |
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| 引用本文： | 徐斌,杨秀春.东北草原区产草量和载畜平衡的遥感估算[J].地理研究,2009,28(2):402-408. |
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| 作者姓名： | 徐斌 杨秀春 |
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| 作者单位： | 中国农业科学院农业资源与农业区划研究所,北京,100081 |
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| 基金项目： | 国家科技支撑计划，国家高技术研究发展计划(863计划) |
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| 摘 要： | 基于国内外相关研究进展,结合国家农业部草原遥感监测相关任务,依托大量的草原地面样方数据源,开展了东北草原区产草量和载畜平衡的遥感估算研究。主要结论有:(1)指数模型是进行草原区产草量遥感估算的优化模型,模型的估产精度达到80%以上;(2)2007年东北草原鲜产草量总计16916万吨,折合干草5094万吨;鲜重单产为4562kg/ha,折合成干重单产为1374kg/ha;(3)2007年东北草原区75%以上的牧区和半牧区县(旗)牲畜超载,牧区载畜平衡指标为32.23%,半牧区载畜平衡指标为48.51%。本文可为东北草原区的畜牧业发展规划提供科学依据。
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| 关 键 词： | 东北草原 产草量 草畜平衡 遥感 |
| 收稿时间： | 2008-09-23 |
| 修稿时间： | 2008-12-10 |
Calculation of grass production and balance of livestock carrying capacity in rangeland region of Northeast China |
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| XU Bin,YANG Xiu-chun.Calculation of grass production and balance of livestock carrying capacity in rangeland region of Northeast China[J].Geographical Research,2009,28(2):402-408. |
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| Authors: | XU Bin YANG Xiu-chun |
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| Institution: | Institute of Agricultural Resources and Regional Planning;CAAS;Beijing 100081;China |
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| Abstract: | Biomass on the grassland is the main indicator of balance of livestock carrying capacity,and is also an important reference for the sustainable development and management of the grassland.Based on the progress in this field at home and abroad,this paper aims to conduct research on the grassland monitoring under the guidance of the Ministry of Agriculture of China.Supported by high-precision data sources of grassland,we studied the calculation of grass production and balance of livestock carrying capacity in... |
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| Keywords: | rangeland region of Northeast China grass production balance of livestock carrying capacity remote sensing (RS) |
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