Ecological protection and restoration performance evaluation of the Mountains-Waters-Forests-Fields-Lakes-Grasslands project in the Irtysh River Basin
Within the domain of the Mountains-Waters project in the Irtysh River Basin,an assessment framework was constructed at the three scales of subproject,ecological protec-tion unit,and restoration unit,and with consideration of the scope of the project,which in-cludes ecosystem pattern,quality,services,coercion,and comprehensive effectiveness.Then,the ecological restoration effectiveness before and after implementation of the project was comprehensively and systematically assessed using relevant survey data.The principal con-clusions follow:(1)There were significant shortterm differences between the ecological res-toration areas of mines and nonmining areas.The ecological parameters in nonmining areas were superior to those in mining areas;however,the ecological effectiveness in mining areas has not yet manifest.(2)Compared to the baseline period,the ecological structure,quality,and service functions in the subproject area improved during the evaluation period.The over-all increase in ecological service function exceeded 5％,with a decrease in human distur-bance,indicating significant restoration effectiveness in the project area and its direct impact zone.(3)The quality of ecosystems has been enhanced within the scope of the project and at the scale of ecological units,particularly in the Northern Altai Mountain region.Functions such as soil conservation,windbreaks,sand fixation,and biodiversity protection have im-proved,although enhancement of carbon sequestration has been modest.Except in the south-em desert grasslands,water conservation capacity has declined,and humaninduced stressors have intensified.However,the ecosystems have generally maintained their baseline status and have partially improved.(4)Because of the limitations of the overall and systematic lay-out of the subproject implementation areas and the limited actual area of restoration and con-servation,the effectiveness of the subproject implementation did not significantly impact the overall improvement of the watershed and the ecosystems of various ecological conservation units.The associated assessment results have significant relevance and value for sustainable management of the Irtysh River project.
the Irtysh River BasinMountains-Rivers-Forests-Farmlands-Lakes-Grasslands Life Community protection projectecological protection and restoration effectivenessecological protection and restoration subrigionecosystem services
万方数据
维普
