【摘 要】
:
Yellow River delta (YRD) is one of the biggest deltas that there is a large area of wetland in the world. Thanks to soil(sands) sediment carried by the Yellow R
【机 构】
:
Silvicultural Laboratory of State Forestry Administration
【基金项目】
:
the National Tenth Five-year Key Scientific & Technological Project;Shandong Provincial Key Scientific &Technological Project of Plant Community Restoration in Yellow River Delta Region
论文部分内容阅读
Yellow River delta (YRD) is one of the biggest deltas that there is a large area of wetland in the world. Thanks to soil(sands) sediment carried by the Yellow River, there was averagely the newly formed land 21.3 km2in YRD. During the development of petroleum industry and urban expansion, wetlands were degraded due to population growth, irrational land use, in addition to adverse natural eco-environment such as lower precipitation, higher soil evaporation and soil salinazation. The major ecological measures to restore degraded wetland concerned with ensuring water supply, especially establishing perfect irrigation works; protecting virgin plant communities and assisting them to regenerate by the way of site preparation, improving living surroundings; introducing salt-tolerant plants to increase vegetation species and plant coverage, thereby enhancing the capability of wetland to combat contamination and pollution through plant remediation, uptake, absorption, etc. Finally making a comprehensive land use plan,accordingly removing deleterious facilities.
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