Peatlands are unique type of wetland with a special hydrological,soil and vegetation characteristics.It supports its own values and functions in water conservation,biodiversity conservation and carbon storage etc.The ...Peatlands are unique type of wetland with a special hydrological,soil and vegetation characteristics.It supports its own values and functions in water conservation,biodiversity conservation and carbon storage etc.The purpose of this study aims to identify main causes of the peatland degradation and demonstrate a restoration project of high altitude peatlands in Ruoergai Plateau in order to protect regional biodiversity.The study made some trials integrated,some field surveys and restoration approaches to protect peatland biodiversity.The results showed that the drainage of peatlands in 1970s of 20th century greatly made the peat drained and altered peatland hydrology afterwards,soil became desiccated and water capacity decreased,and local inverse vegetation succession and ecological deterioration are apparent;damming and blocking canals have been taken to restore hydrological features of wetlands.The engineering restoration was proved workable and achieved expected results.展开更多
基金Under the auspices of the Global Environment Facility Funding(CPR/98/32)
文摘Peatlands are unique type of wetland with a special hydrological,soil and vegetation characteristics.It supports its own values and functions in water conservation,biodiversity conservation and carbon storage etc.The purpose of this study aims to identify main causes of the peatland degradation and demonstrate a restoration project of high altitude peatlands in Ruoergai Plateau in order to protect regional biodiversity.The study made some trials integrated,some field surveys and restoration approaches to protect peatland biodiversity.The results showed that the drainage of peatlands in 1970s of 20th century greatly made the peat drained and altered peatland hydrology afterwards,soil became desiccated and water capacity decreased,and local inverse vegetation succession and ecological deterioration are apparent;damming and blocking canals have been taken to restore hydrological features of wetlands.The engineering restoration was proved workable and achieved expected results.