Study on Vegetation Restoration Effect along PCCP Project in Beijing Section of South-to-North Water Transfer Project
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Abstract:
According to the characteristics of PCCP pipeline project and environmental characteristics of area where the pipeline crosses over, the vegetation restoration area of PCCP project in Beijing section of South-to-North Water Transfer Project was investigated to determine the configuration modes of different vegetation restoration measures and the diversity and biomass of herbs using the field investigation and laboratory analysis. The results showed that (1) the engineering greening mode can achieve good restoration effects within a short time, whereas the diversity and biomass of herbs are high for both stratified and mixed modes; (2) the fencing mode can result in high biomass but low diversity of herbs; and (3) the rehabilitation mode can lead to relatively even and stable diversity index and biomass of herbs.
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