藏北退化草地群落生物量与土壤养分的关系
孙磊1, 刘玉2, 武高林2, 魏学红1

The relationships between community biomass and soil nutrients in the northern Tibet degradation grassland
Sun Lei1, Liu Yu2, Wu Gao-lin2, Wei Xue-hong1
不同退化程度草地群落地上生物量与土壤特征变化