Research On Evaluation Of Forest Ecosystem Services In Wulingshan Natural Reserve Of Hebei Province

To carry out the forest ecosystem services valuation can improve to understand the important functional role of Nature Reserve and its forest resources, and provide scientific basis for management measures and resources allocation.Take forest ecological service function mechanism and evaluation methods research at home and abroad as the theoretical basis, forest inventory and plot survey information as data basis, the author filtered indexes to conduct an evaluation study on forest ecosystem service in Wulingshan National Nature Reserve on the grounds of Assessment Specification of the Forest Ecosystem Service (LY/T1721-2008). The results show that:The economic value of the forest ecosystem services of Wulingshan National Nature Reserve accounts to4.938×10yuan per year, average in3.451x10yuan per hectare. Carbon sequestration and oxygen release services occupies the highest value of2.006x108yuan, followed by water conservation service1.288×108yuan, and both accounted for66.70%of the total value.Among all the twelve forest types, broad-leaved mixed forest contribute the most, with2.416×10yuan economic value of service functions. Other types rank in descending order by each service function value as Populous davidiana, Oak, Larch, P. tabuliformis, mixed broadleaf-conifer, Betula, Coniferous mixed, bushes, Juglans, economic forest and Tilia. As to the average unit area forest services function value, Juglans possesses the highest with8.268×104yuan per hectare.