Threshold Effects between Ecosystem Services and Natural and Social Drivers in Karst Landscapes

IF 4.7 3区材料科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC ACS Applied Electronic Materials Pub Date : 2024-05-15 DOI:10.3390/land13050691

Mantong Zhao, Qiuwen Zhou, Yingzhong Luo, Yuan Li, Yalin Wang, E. Yuan

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Abstract

It has been shown that there are thresholds of influence on the response of ecosystem services to their drivers, and the range of drivers that provide high levels of ecosystem services can be delineated through thresholds. However, due to the spatial heterogeneity of landscapes in karst regions, the results of ecosystem service threshold studies in non-karst regions may not be applicable to karst regions. This study explores the threshold effects between ecosystem services in karst landscapes and their natural and social drivers. It is shown that there are nonlinear constraints between them, and different critical thresholds exist for different kinds of ecosystem services. The main thresholds for water supply services include the slope (43.64°) and relief amplitude (331.60 m); for water purification services, they include relief amplitude (147.05 m) and distance to urban land (DTUL) (32.30 km); for soil conservation services, they include the normalized difference vegetation index (NDVI) (0.80) and nighttime light intensity (43.58 nW∙cm−2∙sr−1); the main thresholds for biodiversity maintenance services include population density (1481.06 person∙km−2) and distance to urban land (DTUL) (32.80 km). This enables regional ecological conservation planning based on different threshold ranges corresponding to different ecosystem services to meet the different needs of different decision makers.

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喀斯特地貌中生态系统服务与自然和社会驱动因素之间的阈值效应

研究表明，生态系统服务对其驱动因素的影响存在阈值，通过阈值可以划定提供高水平生态系统服务的驱动因素范围。然而，由于喀斯特地区景观的空间异质性，在非喀斯特地区进行的生态系统服务阈值研究结果可能不适用于喀斯特地区。本研究探讨了岩溶景观中生态系统服务与其自然和社会驱动因素之间的阈值效应。研究表明，它们之间存在非线性约束，不同种类的生态系统服务存在不同的临界阈值。供水服务的主要临界值包括坡度（43.64°）和地表起伏幅度（331.60 米）；净水服务的临界值包括地表起伏幅度（147.05 米）和与城市用地的距离（DTUL）（32.30公里）；土壤保持服务的阈值包括归一化差异植被指数（NDVI）（0.80）和夜间光照强度（43.58 nW∙cm-2∙sr-1）；生物多样性维护服务的主要阈值包括人口密度（1481.06人∙km-2）和与城市用地的距离（DTUL）（32.80公里）。这样就可以根据不同生态系统服务对应的不同阈值范围进行区域生态保护规划，以满足不同决策者的不同需求。

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来源期刊

ACS Applied Electronic Materials Multiple-

CiteScore

7.20

自引率

4.30%

发文量

567

期刊介绍： ACS Applied Electronic Materials is an interdisciplinary journal publishing original research covering all aspects of electronic materials. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrate knowledge in the areas of materials science, engineering, optics, physics, and chemistry into important applications of electronic materials. Sample research topics that span the journal's scope are inorganic, organic, ionic and polymeric materials with properties that include conducting, semiconducting, superconducting, insulating, dielectric, magnetic, optoelectronic, piezoelectric, ferroelectric and thermoelectric. Indexed/Abstracted： Web of Science SCIE Scopus CAS INSPEC Portico

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