景观格局变化下青海湖流域生态价值与风险的相关性研究

Study on Correlation Between Ecological Value and Risk of Qinghai Lake Basin Under Landscape Pattern Change

生态系统服务价值(Ecosystem Services Value)与生态风险相关性的研究对流域生态保护具有重要意义。文章探究了2010-2020年青海湖流域景观格局变化下的生态系统服务价值与生态风险的相关性。结果表明:在2010-2020年,青海湖流域景观破碎程度以及多样性和复杂性增强,连通度降低;研究区生态系统服务价值增加18.61亿元,在空间上生态系统服务价值较低值区和高值区分布范围较广;生态风险在一级和二级区域分布范围较大;研究区生态系统服务价值与生态风险呈显著负相关关系。

The study of the correlation between ecosystem service value and ecological risk is of great significance to the ecological conservation of Qinghai Lake basin.This paper investigates the correlation between ecosystem service value and ecological risk in the changing landscape pattern of Qinghai Lake basin from 2010 to 2020.The results show that the landscape fragmentation,diversity and complexity of Qinghai Lake basin increased and connectivity decreased from 2010 to 2020.The ecosystem service value increased by 1.861 billion in the study area.The ecosystem service value was more widely distributed in the lower and higher value areas in space,and the ecological risk was more widely distributed in the primary and secondary areas.The relationship between ecosystem service value and ecological risk in the study area was significantly negative.