沽源县草畜平衡研究  

Balance Between Livestock and Pasture in the Guyuan County

作　　者：李敏[1] 马礼[1] 郜海涛 张惠芳 

机构地区：[1]首都师范大学资源环境与旅游学院,北京100048 [2]河北省沽源县农牧局草原站,沽源076550

出　　处：《首都师范大学学报（自然科学版）》2010年第1期80-85,共6页Journal of Capital Normal University：Natural Science Edition

基　　金：国家自然科学基金资助项目(40671006)

摘　　要：农牧交错带载畜量可分为自然草场载畜量和农副产品载畜量,文章利用沽源县草原站调查数据以及相关统计数据,结合实地调研,分别计算了沽源县自然草场载畜量和农副产品载畜量.依据各乡镇超载率,全县可分为西北严重超载区、中部一般超载区、东南部非超载区和闪电河超载区.通过计算分析草地生产潜力和农副产品载畜量潜力,表明沽源县目前实际采草量占可食草潜力的91.40%,近期内提高草地生产潜力难度较大,而应大力提高农副产品载畜量,挖掘作物秸秆的饲用价值,充分发挥农牧交错带农牧互补的优势,缓减草地压力.In agricultural and pasturing interlaced zone, the livestock carrying capacity includes grassland carrying capacity and agricultural sideline products carrying capacity. The situation of balance between livestock and carrying capacity in each town of Guyuan county has been analyzed in the paper. By the overgrazing rate of each towns, The county can be divided into four regions, northwest highly overgrazing region, middle commonly overgrazing region, southeast non-overgrazing region and Shan Dian He overgrazing region. The grassland and agricultural sideline products potential productivity has been analyzed. The grassland potential productivity is 123.02 g/（m^2 ·a）, and the actual productivity is 112.44 g/（m^2 ·a）, which is 91.40% of grassland potential productivity. It is hard to develope the grassland potential productivity in a minute. The livestock carring capacity of agricultural sideline products should be improved greatly by tap the feeding value of crop straw. The advantage of Farming-Pastoral Ecotone, where farming and stockbreeding are each other＇s complement, should be brought into full paly, so as to reduce the pressure on grassland.

关 键 词：载畜量 草地生产潜力 草畜平衡分区 沽源县. 

分 类 号：S81[农业科学—畜牧学]