降水变化对内蒙古典型草原地上生物量的影响

苗百岭,梁存柱,史亚博,梁茂伟,刘钟龄

Temporal changes in precipitation altered aboveground biomass in a typical steppe in Nei Mongol, China

MIAO Bai-Ling,LIANG Cun-Zhu,SHI Ya-Bo,LIANG Mao-Wei,LIU Zhong-Ling

表2 内蒙古锡林郭勒典型草原羊草样地的基本信息

Table 2 General information of Leymus chinensis site in the typical steppe grassland of Xilin Gol, Nei Mongol

地上生物量 Aboveground biomass (g·m-2) 降水量 Precipitation (mm) 相对多度 Relative Abundance (%) 年 Year 生长季 Growing season 多年生根茎禾类草 Perennial rhizome grass 多年生丛生禾草 Perennial bunchgrasses 多年生杂类草 Perennial forbs 一二年生植物 Annuals and biennials 灌木 Shrubs 半灌木 Semi-shrubs 195.8 330.8 287.9 63.4 19.3 9.9 4.8 1.9 0.7