Soil carbon and nitrogen contents along elevation gradients in the source region of yangtze , yellow and lantsang rivers 三江源地区主要草地类型土壤碳氮沿海拔变化特征及其影响因素
Geochemistry of super - magnesium peridotite in the houxianyu boron deposit , yingkou , liaoning , and its constraints on the source region 辽宁营口后仙峪超镁橄榄岩的地质地球化学特征及其对源区的约束
The trick will be to improve the quality of both the data collected , particularly in the near - source region , and the work done with it 其中的诀窍是既改进数据收集的质量,特别在近震源地区,同时改进使用这些数据的工作。 ”
It is , therefore , of great urgency protect the eco - environment of the source region of the huanghe river by means of setting up a special ecological function reserve 因此,保护黄河源区生态环境、建立黄河源头特殊生态功能保护区已刻不容缓。
A complete acquaintance with biodiversity of the source regions of the yangtse river , yellow river and lancang river will be helpful to its environment protection and construction 摘要江河源区西部、南部、东南部和东北部都毗邻生物多样性中心,生态系统多样,物种较丰富。