补奖禁牧平衡对酒泉草原生产力影响监测

为验证国家补奖政策草原禁牧促进生态平衡,酒泉市对9个主要草地类型的典型区域,设置固定样地79个,对草地植物盖度、高度、种数、产草量等四项草地生产力指标进行了定点监测,共获得有效样方150个.通过两年数据对比分析,表明该区域由于禁牧平衡利用,草地降水增多,草原植被得到恢复,草地生产力显著提高,政策效果显现.

Monitoring of Balance Subsidy Incentives Grazing Prohibition on Impact Grassland Productivity in Jiuquan

To verify the effect of national compensation award policy grassland grazing on promoting ecological balance, 150 effective samples were obtained through sentinel surveillance on grass plant coverage, height, species, yield four grass produc- tivity indexes of 9 main grassland types of typical area,79 fixed sample in Jiuquan city. Through two years of data comparison and analysis, the results showed that grassland productivity improved significantly due to grazing prohibition balanced utilization of grassland precipitation increasing, and restoration of grassland vegetation.