Value assessment of ecosystem services in the Qinghai Basin of Yellow River based on the equivalence factor method
Ecosystem services have extremely high or even immeasurable value and are closely related to human well-being.The Qinghai Basin of Yellow River are important ecological security barriers in China,playing an irreplaceable strategic role in ecological protection and high-quality development strategies in the Yellow River Basin.This study is based on the value equivalent factor method and concludes that the ecosystem service value of the Qinghai Basin of Yellow River reached 186.699 billion yuan in 2020.According to different land use types,grassland ecosystem services have the highest value,accounting for over 50％,The rest are in the following order:wetlands＞water bodlies＞forests＞cultivated land＞desert,and bare land.According to different ecosystem services,the Qinghai Basin of Yellow River have the highest value in regulating services,accounting for 68.81％of the total value.Among them,hydrological regulation has the highest value,accounting for 34.14％of the total service value,followed by support and supply services,accounting for about 20％of the total value.According to the subcategories of ecosystem services,hydrological regulation has the highest ecological value,next is climate regulation,biodiversity,soil conservation,environmental purification,gas regulation,and aes-thetic landscape.
ecosystem service valueQinghai Basin of Yellow Riverequivalent factor method
NETL
NSTL
万方数据
