黔东北山区人类活动与土地利用对生态系统服务功能的时空特征

IF 3.9 2区环境科学与生态学 Q1 ECOLOGY

Ecological Engineering Pub Date : 2025-02-01 DOI:10.1016/j.ecoleng.2024.107473

Quan Wang , Xuepiao Bai

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引用次数: 0

摘要

随着城市化和工业化的快速推进，山区土地利用的集约化导致了生态环境问题，并导致了生态系统服务功能的逐渐退化。研究山区人类活动和土地利用对生态系统服务的时空特征，对当地生态保护和土地管理具有重要的现实意义。本研究利用人类活动和土地利用模型来评价黔东北地区人类与土地的复杂关系，采用生态系统服务与权衡综合评价（InVEST）和修正通用土壤流失方程（RUSLE）模型对黔东北地区土壤保持（SC）、产水（WY）、固碳（CS）、生境质量（HQ）和景观美学（LA）的时空分布进行深入研究。此外，我们还利用Pearson相关系数和空间双变量模型分析了这些生态系统服务之间的空间异质性和相互作用。结果表明，研究区人类活动强度和土地利用强度呈显著上升趋势，分别从2000年的0.483和316上升到2020年的0.695和351。2000-2020年，南中国海和西中国海的增加值分别变化了1.179 t·hm−2和118.503 mm，而南中国海、南中国海和南中国海的增加值基本保持稳定。生态系统服务功能空间分布呈现出明显的权衡与协同格局。生态系统的多功能效益主要集中在研究区北部，IV类热点的最大迁移距离为70.431 km。随着时间的推移，人类活动和土地利用对生态系统服务的影响不断升级。研究人类活动与土地利用之间的相互作用及其对生态系统服务的影响可以帮助我们制定土地开发政策和生态管理策略。

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Spatiotemporal characteristics of human activity and land use on ecosystem service functions in mountainous areas of Northeast Guizhou, Southwest China

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Spatiotemporal characteristics of human activity and land use on ecosystem service functions in mountainous areas of Northeast Guizhou, Southwest China

With the rapid advancement of urbanization and industrialization, intense land utilization in mountainous areas has led to ecological and environmental issues, and also causing a gradual degradation of ecosystem services. Investigating the spatiotemporal characteristics of human activities and land use on ecosystem services in mountainous areas holds significant practical importance for local ecological conservation and land management. This study utilizes human activity and land use models to evaluate the complex relationship between humans and land in the northeastern Guizhou, employs the Integrated Valuation of Ecosystem Services and Tradeoffs (InVEST) and the Modified Universal Soil Loss Equation (RUSLE) models to conduct an in-depth investigation into the spatiotemporal distribution of soil conservation (SC), water yield (WY), carbon sequestration (CS), habitat quality (HQ), and landscape aesthetics (LA). Besides, we utilized the Pearson correlation coefficient and spatial bivariate models to scrutinize the spatial heterogeneity and interactions among these ecosystem services. The results revealed a significant escalation in the intensity of human activity and land use within the study area, with values rising from 0.483 and 316 in 2000 to 0.695 and 351 in 2020, respectively. For 2000–2020, the added value of SC and WY experienced a change of 1.179 t‧hm⁻² and 118.503 mm respectively, while the CS, HQ, and LA have largely remained stable. The spatial distribution of ecosystem service functions exhibited distinct patterns of trade-offs and synergies. The ecosystem's multifunctional benefits were predominantly concentrated in the northern sector of the study area, with the maximum migration distance of class IV hotspots recorded at 70.431 km. Over time, the impact of human activities and land use on ecosystem services has been escalating. Studying the interactions between human activities and land use and their impact on ecosystem services can help us to develop land development policies and ecological management strategies.

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来源期刊

Ecological Engineering 环境科学-工程：环境

CiteScore

8.00

自引率

5.30%

发文量

293

审稿时长

57 days

期刊介绍： Ecological engineering has been defined as the design of ecosystems for the mutual benefit of humans and nature. The journal is meant for ecologists who, because of their research interests or occupation, are involved in designing, monitoring, or restoring ecosystems, and can serve as a bridge between ecologists and engineers. Specific topics covered in the journal include: habitat reconstruction; ecotechnology; synthetic ecology; bioengineering; restoration ecology; ecology conservation; ecosystem rehabilitation; stream and river restoration; reclamation ecology; non-renewable resource conservation. Descriptions of specific applications of ecological engineering are acceptable only when situated within context of adding novelty to current research and emphasizing ecosystem restoration. We do not accept purely descriptive reports on ecosystem structures (such as vegetation surveys), purely physical assessment of materials that can be used for ecological restoration, small-model studies carried out in the laboratory or greenhouse with artificial (waste)water or crop studies, or case studies on conventional wastewater treatment and eutrophication that do not offer an ecosystem restoration approach within the paper.