Journal
ECOLOGICAL INDICATORS
Volume 136, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.ecolind.2022.108645
Keywords
Ecosystem service; Climate change; Land use; cover change; Dominant factor; Spatial heterogeneity
Categories
Funding
- National Natural Science Foundation of China [41601209]
- National Key Research and Development Program of China [2018YFC0507304]
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Understanding the impacts of land use/cover and climate change on ecosystem services is crucial for human well-being. However, existing studies have rarely determined the relative contributions of these factors from a geospatial perspective, and the effects of different land use conversions on ecosystem services remain unclear. This study established a framework to distinguish the spatial contributions of climate and land use change to water yield, net primary productivity, and soil retention, and applied it to Zhejiang Province. The results showed an increasing trend in all ecosystem services from 2000 to 2020. Water yield and soil retention changes were mainly influenced by climate change, while net primary productivity changes were dominated by land use changes. Furthermore, the study quantified the impacts of urbanization, deforestation, and afforestation on ecosystem services in their respective regions, and proposed five suggestions for improving ecosystem services management.
Understanding impacts of land use/cover (LULC) and climate change ecosystem services (ESs) is critical to human well-being. However, existing studies seldom determined the relative contributions of LULC and climate change to ESs from a geospatial perspective, and the impacts of different LULC conversions on ESs remain unclear. This study established a framework for distinguishing the relative spatial contributions of climate and LULC change to water yield, net primary productivity (NPP) and soil retention and applied it to Zhejiang Province. The results showed that all ESs showed an increasing trend from 2000 to 2020. Changes in water yield and soil retention were dominated by climate change, accounting for 75.22% and 77.69% of the total study area, respectively, while the changes in NPP were dominated by LULC changes, accounting for 82.70% of the total study area. We further quantified the impact of three major forms of LULC changes (urbanization, deforestation, and afforestation) on ESs in their respective regions. Deforestation and urbanization reduced NPP by 192 gC/m(2) and 115.75 gC/m(2), respectively, while afforestation increased NPP by 220.10 gC/m(2). Afforestation reduced the water yield by 84.27%, while deforestation and urbanization increased it by 37.94% and 62.42%, respectively. Deforestation reduced soil retention by 38.28%, while urbanization and afforestation increased it by 3.91% and 63.28%, respectively. Five suggestions for improving ES management were proposed based on our results. This study can provide a detailed reference for decision-makers seeking sustainable ecosystem management strategies.
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