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- W2351618653 abstract "Desert steppe, as a fragile ecosystem, is easy to be influenced by human activities which may cause degradation.The typical desert steppe in the north of Urumqi was selected to study the impact of oil and gas pipeline construction. The land use types of different construction stages were obtained by remote sensing images interpretation, and dimidiate pixel model was used to extract vegetation coverage. Comparing the changes in vegetation cover pattern and landuse pattern,we can analyze the influence intensity and extent of oil and gas pipeline. The land use types varied greatly in different stages of construction. Grassland area decreased by 32.53%, while shrub land area increased to 24.61% from 2002 to 2010.Construction land area increases obviously in construction period, and declines after taking vegetation restoration measure.The study area became complicated, and original ecological structure changed. In construction period, vegetation coverage of buffer which is above the pipe and in 10m range was significantly lower than the surrounding areas, and which in 50~100m and 100~200m ranges were significantly different from that in 200~300m range. The main influence scope is the construction area with the range around 10m; the indirectly affect scope could reach 200m on either side of the pipeline. In vegetation-restoring period, construction area above the pipeline was the main influence scope. In conclusion, the oil and gas pipeline construction is the main driving force on the land use types change in desert steppe which is cut up by pipeline. Artificial restoration measures could hardly rehabilitate the vegetation of the influenced area as the same as it was used to be." @default.
- W2351618653 created "2016-06-24" @default.
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- W2351618653 date "2013-01-01" @default.
- W2351618653 modified "2023-09-24" @default.
- W2351618653 title "The effect of pipeline construction on vegetation pattern in the desert steppe region" @default.
- W2351618653 hasPublicationYear "2013" @default.
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