黄河源区生态保护与草牧业发展关键技术及优化模式

徐田伟, 赵新全, 耿远月, 王循刚, 毛绍娟, 徐世晓

Key technologies and optimization model for ecological protection and grass-based livestock husbandry in the source region of the Yellow River

XU Tianwei, ZHAO Xinquan, GENG Yuanyue, WANG Xungang, MAO Shaojuan, XU Shixiao

表2 高寒草甸返青期短期休牧地与返青期连续放牧地的植被群落特征和生物量对比

Table 2 Comparison of vegetation community characteristics and biomasses between short-term rest-grazing and continuous grazing plots during vegetation green-up period in an alpine meadow

指标类型 返青期短期休牧 返青期连续放牧 平均增幅/% 群落高度/cm 8.13±0.86 a 3.24±0.53 b 105.92 植被覆盖度/% 95.83±4.07 a 76.62±8.11 b 25.08 植被地上生物量/(g/m2) 379.46±67.41 a 176.93±53.74 b 114.54 植被地下生物量/(g/m2) 2791.36±649.40 a 1965.31±681.07 b 42.04