Relationship between ecological quality and ecosystem services in a red soil hilly watershed in southern China

Ecological quality (EQ) is the foundation of all ecosystem services (ESs) and is critical for the improvement of human welfare. To clarify the link between ecosystems and human well-being, the present study investigated the relationship between EQ and ESs in the Pingjiang watershed in a red soil hil...

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Autores principales:	Qing Zhu, Jiaxin Guo, Xi Guo, Lei Chen, Yi Han, Shiyu Liu
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Ecological quality Ecosystem services Quantitative relationship Remote sensing ecological index Spatial correlation Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/e3d06b0e90ee4f678b11e0f1d0ba7bc5
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spelling	oai:doaj.org-article:e3d06b0e90ee4f678b11e0f1d0ba7bc52021-12-01T04:35:40ZRelationship between ecological quality and ecosystem services in a red soil hilly watershed in southern China1470-160X10.1016/j.ecolind.2020.107119https://doaj.org/article/e3d06b0e90ee4f678b11e0f1d0ba7bc52021-02-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1470160X2031058Xhttps://doaj.org/toc/1470-160XEcological quality (EQ) is the foundation of all ecosystem services (ESs) and is critical for the improvement of human welfare. To clarify the link between ecosystems and human well-being, the present study investigated the relationship between EQ and ESs in the Pingjiang watershed in a red soil hilly region (southern China) in 2016. The remote sensing ecological index (RSEI) and the ecosystem service index (ESI), respectively, were used to characterize EQ and four major ESs, i.e., water yield (WY), soil conservation (SC), carbon storage (CS), and food supply (FS). The relationship between EQ and ESs was explored at the sub-watershed scale. Results showed that the EQ of the Pingjiang watershed decreased from the surroundings to the central south. The spatial distributions of SC, CS, and ESI were similar to the EQ distribution, while FS exhibited an opposite trend. The spatial aggregation patterns of RSEI and ESI were somewhat similar, with a Spearman’s correlation coefficient (r) of 0.690 (P < 0.01), indicating that the overall coordination of EQ and ESs was high. In addition to RSEI, the normalized difference vegetation index, wetness component, and the normalized differential build-up and bare soil index all had the highest correlations with SC (\|r\| = 0.606–0.890, P < 0.01) among the four ESs. Only the normalized difference vegetation index was significantly correlated with WY (r = 0.274, P < 0.01), while land surface temperature had the greatest correlation with CS (r = −0.691, P < 0.01). This study enhances our understanding of the spatial and quantitative relationships between EQ and ESs in the Pingjiang watershed, and could facilitate decision-making for local governments in pursuit of sustainable development in similar watersheds.Qing ZhuJiaxin GuoXi GuoLei ChenYi HanShiyu LiuElsevierarticleEcological qualityEcosystem servicesQuantitative relationshipRemote sensing ecological indexSpatial correlationEcologyQH540-549.5ENEcological Indicators, Vol 121, Iss , Pp 107119- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Ecological quality Ecosystem services Quantitative relationship Remote sensing ecological index Spatial correlation Ecology QH540-549.5
spellingShingle	Ecological quality Ecosystem services Quantitative relationship Remote sensing ecological index Spatial correlation Ecology QH540-549.5 Qing Zhu Jiaxin Guo Xi Guo Lei Chen Yi Han Shiyu Liu Relationship between ecological quality and ecosystem services in a red soil hilly watershed in southern China
description	Ecological quality (EQ) is the foundation of all ecosystem services (ESs) and is critical for the improvement of human welfare. To clarify the link between ecosystems and human well-being, the present study investigated the relationship between EQ and ESs in the Pingjiang watershed in a red soil hilly region (southern China) in 2016. The remote sensing ecological index (RSEI) and the ecosystem service index (ESI), respectively, were used to characterize EQ and four major ESs, i.e., water yield (WY), soil conservation (SC), carbon storage (CS), and food supply (FS). The relationship between EQ and ESs was explored at the sub-watershed scale. Results showed that the EQ of the Pingjiang watershed decreased from the surroundings to the central south. The spatial distributions of SC, CS, and ESI were similar to the EQ distribution, while FS exhibited an opposite trend. The spatial aggregation patterns of RSEI and ESI were somewhat similar, with a Spearman’s correlation coefficient (r) of 0.690 (P < 0.01), indicating that the overall coordination of EQ and ESs was high. In addition to RSEI, the normalized difference vegetation index, wetness component, and the normalized differential build-up and bare soil index all had the highest correlations with SC (\|r\| = 0.606–0.890, P < 0.01) among the four ESs. Only the normalized difference vegetation index was significantly correlated with WY (r = 0.274, P < 0.01), while land surface temperature had the greatest correlation with CS (r = −0.691, P < 0.01). This study enhances our understanding of the spatial and quantitative relationships between EQ and ESs in the Pingjiang watershed, and could facilitate decision-making for local governments in pursuit of sustainable development in similar watersheds.
format	article
author	Qing Zhu Jiaxin Guo Xi Guo Lei Chen Yi Han Shiyu Liu
author_facet	Qing Zhu Jiaxin Guo Xi Guo Lei Chen Yi Han Shiyu Liu
author_sort	Qing Zhu
title	Relationship between ecological quality and ecosystem services in a red soil hilly watershed in southern China
title_short	Relationship between ecological quality and ecosystem services in a red soil hilly watershed in southern China
title_full	Relationship between ecological quality and ecosystem services in a red soil hilly watershed in southern China
title_fullStr	Relationship between ecological quality and ecosystem services in a red soil hilly watershed in southern China
title_full_unstemmed	Relationship between ecological quality and ecosystem services in a red soil hilly watershed in southern China
title_sort	relationship between ecological quality and ecosystem services in a red soil hilly watershed in southern china
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/e3d06b0e90ee4f678b11e0f1d0ba7bc5
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Relationship between ecological quality and ecosystem services in a red soil hilly watershed in southern China

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