Assessment of Ecosystem Services in Helan Mountain National Nature Reserve in Ningxia
Ecosystem service functions can promote harmony between human and nature.Exploring the ecosystem service functions of Helan Mountain National Nature Reserve is of great significance for adopting a holistic approach to conserving and management our mountains,rivers,forests,farmlands,lakes,grasslands,and deserts.Based on a series of national standards for long-term observation research and service function evaluation of forest and grassland ecosystems,as well as applying a distributed calculation method based on forestry compartment data,we selected five forest and grassland ecosystem service functions,namely,soil conservation,forest nutrient sequestration,water conservation,carbon sequestration and oxygen release,atmospheric purification to assessed their benefits in terms of physical quality and value quantity.The results show that the physical quality of forest and grassland ecosystem services in the Helan Mountain National Nature Reserve in Ningxia present present a spatial distribution pattern of high in the northeast and low in the southwest;the total value is 2.827 billion yuan/a,of which the functions of water conservation and soil conservation in the top two.There are the main services function of forest and grassland ecosystems in Ningxia Helan Mountain national Nature Reserve.The Helan Mountain National Nature Reserve should further strengthen forest management,optimize tree species and age structures,enhance the quality of forest ecosystems,and fully leverage the ecosystem services.
ecosystem serviceswater conservationvalue assessmentservices function
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