| 黄土高原人类活动与生物多样性的演变及关联性 |
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| 引用本文： | 王 建,,赵牡丹,,樊 艺,,李健波,,郑春燕.黄土高原人类活动与生物多样性的演变及关联性[J].水土保持研究,2022,29(6):154-160. |
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| 作者姓名： | 王 建 赵牡丹 樊 艺 李健波 郑春燕 |
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| 作者单位： | (1.西北大学 城市与环境学院, 西安 710127; 2.陕西省遥感与地理信息工程研究中心, 西安 710127; 3.湖北师范大学 城市与环境学院, 黄石 湖北 435002) |
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| 摘 要： | 为了科学地分析黄土高原人类活动与生物多样性的关系,对黄土高原生物多样性保护与生态环境质量改善提供科学依据。基于2000年、2010年、2018年土地利用遥感数据,借助人类活动强度模型测度研究区人类活动强度的时空分异特征,并结合多源遥感数据采用生境质量、物种多样性以及景观格局指数构建综合生物多样性指数,综合运用相关性分析和双变量空间自相关模型,探究了黄土高原人类活动与生物多样性的空间关系。结果表明:(1)2000—2018年,黄土高原人类活动强度整体呈减弱趋势,空间上以太原—西安轴线为界,轴线以西的区域人类活动强度偏低,以东的区域人类活动强度偏高;(2)2000—2018年黄土高原地区的综合生物多样性指数基本保持稳定,无剧烈变化; 生物多样性具有明显空间异质性,呈现出西北高、东部低的空间格局;(3)2000—2018年,黄土高原人类活动与生物多样性在空间上呈现显著负相关,二者之间有着显著的空间集聚效应,说明人类活动对黄土高原地区的生物多样性产生较大的负面影响。综上,整个黄土高原生物多样性基本保持稳定,但受人类活动强度影响仍然较大。
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| 关 键 词： | 人类活动强度 生物多样性 双变量空间自相关 InVEST模型 黄土高原 |
Evolution and Correlation of Human Activities and Biodiversity in the Loess Plateau |
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| WANG Jian,,ZHAO Mudan,,FAN Yi,,LI Jianbo,,ZHENG Chunyan.Evolution and Correlation of Human Activities and Biodiversity in the Loess Plateau[J].Research of Soil and Water Conservation,2022,29(6):154-160. |
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| Authors: | WANG Jian ZHAO Mudan FAN Yi LI Jianbo ZHENG Chunyan |
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| Institution: | (1.School of Urban and Environmental Sciences, Northwest University, Xi'an 710027, China; 2.Shaanxi Remote Sensing and Geographic Information Engineering Research Centre, Xi'an 710027, China; 3.School of City and Environment, Hubei Normal University, Huangshi, Hubei 435002, China) |
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| Abstract: | In order to scientifically analyse the relationship between human activities and biodiversity in the Loess Plateau, this paper seeks to provide a basis for biodiversity protection and ecological-environmental quality improvement in the Loess Plateau. The paper explores the features of the spatial and temporal differentiation of human activities by the virtue of the intensity model based on the remote sensing data of the land use in 2000, 2010 and 2018. Besides, with the combination of multi-source remote sensing data, the spatial relationship between human activities and biodiversity has been investigated via correlation analysis and bivariate spatial autocorrelation model, adopting the comprehensive biodiversity index constructed by the habitat quality, species diversity and landscape pattern index. The results show that:(1)The intensity of human activities in the Loess Plateau manifests an overall weakening trend between 2000 and 2018, given by the low intensity of human activities conducted in the west region divided by the axis of Taiyuan—Xi'an, whilst the east part takes the opposite.(2)The integrated biodiversity index remains basically stable and unchanged in the Loess Plateau from 2000 to 2018. In addition, the biodiversity obviously evidences the spatial heterogeneity with a spatial pattern of high in the northwest and low in the east.(3)A significant negative correlation in space can be concluded from human activities and biodiversity in the Loess Plateau from 2000 to 2018 which also presents a major spatial agglomeration effect between them, indicating that human activities have had a tremendously negative impact on biodiversity in this area. In conclusion, the biodiversity of the Loess Plateau was basically stable, but it was still greatly affected by the intensity of human activities. |
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| Keywords: | intensity of human activities biodiversity bivariate spatial autocorrelation InVEST mode Loess Plateau |
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