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Assessment of spatial and temporal ecological environment quality under land use change of urban agglomeration in the North Slope of Tianshan, China

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Abstract

In the current context of rapid development and urbanization, land use and land cover (LULC) types have undergone unprecedented changes, globally and nationally, leading to significant effects on the surrounding ecological environment quality (EEQ). The urban agglomeration in North Slope of Tianshan (UANST) is in the core area of the Silk Road Economic Belt of China. This area has experienced rapid development and urbanization with equally rapid LULC changes which affect the EEQ. Hence, this study quantified and assessed the spatial-temporal changes of LULC on the UANST from 2001 to 2018 based on remote sensing analysis. Combining five remote sensing ecological factors (WET, NDVI, IBI, TVDI, LST) that met the pressure-state-response(PSR) framework, the spatial-temporal distribution characteristics of EEQ were evaluated by synthesizing a new Remote Sensing Ecological Index (RSEI), with the interaction between land use change and EEQ subsequently analyzed. The results showed that LULC change dominated EEQ change on the UANST: (1) From 2001 to 2018, the temporal and spatial pattern of the landscape on the UANST has undergone tremendous changes. The main types of LULC in the UANST are Barren land and Grassland. (2) During the study period, RSEI values in the study area were all lower than 0.5 and were at the [good] levels, reaching 0.31, 0.213, 0.362, and 0346, respectively. In terms of time and space, the overall EEQ on the UANST experienced three stages of decline–rise–decrease. (3) The estimated changes in RSEI were highly related to the changes of LULC. During the period 2001 to 2018, the RSEI value of cropland showed a trend of gradual increase. However, the rest of the LULC type’s RSEI values behave differently at different times. As the UANST is the core area of Xinjiang’s urbanization and economic development, understanding and balancing the relationship between LULC and EEQ in the context of urbanization is of practical application in the planning and realization of sustainable ecological, environmental, urban, and social development in the UANST.

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Data availability

The datasets used and analyzed during the current study are available from the corresponding author on reasonable request.

Abbreviations

LULC:

Land use and land cover

EEQ:

Ecological environment quality

UANST:

Urban agglomeration in North Slope of Tianshan

NDVI:

Normalized Difference Vegetation Index

IBI:

Index-Based built-up Index

TVDI:

Temperature Vegetation Drought Index

LST:

Land surface temperature

PSR:

Pressure-state response

RSEI:

Remote sensing ecological index

PCA:

Principal component analysis

DEM:

Digital Elevation Model

EQI:

Eco-environmental Quality Index

LIS:

Land improvement syndicates

EI:

Ecological Index

GAIA:

Global artificial impervious areas

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Acknowledgements

We want to thank the editor and anonymous reviewers for their valuable comments and suggestions to this paper.

Funding

This research was supported by the Strategic Priority Program of the Chinese Academy of Science (CAS), Pan-Third Pole Environment Study for a Green Silk Road (XDA20040400), the Local People’s Government of the Xinjiang Uygur Autonomous Region in China sent abroad to study abroad as a complete set of projects (L06), and Tianshan talent project of Xinjiang Uygur Autonomous region (400070010209).

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Contributions

Muhadaisi Ariken (first author): methodology, software, data curation, writing-original draft preparation. Fei Zhang (corresponding author): conceptualization, funding acquisition, project administration. Ngai Weng Chan and Hsiang-te Kung: writing-reviewing and editing, supervision.

Corresponding author

Correspondence to Fei Zhang.

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All of the authors of the paper have participated in certain substantive aspects of this study, and they are acknowledged or listed as contributors.

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The paper has not been and will not be submitted simultaneously to other journals. The paper is entirely original works conducted by us without copying or plagiarism issues. The information reported in the paper is accurate according to our best knowledge. A single study do not be split up into several parts to increase the quantity of submissions and submitted to various journals or to one journal over time. We consent to publish.

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The authors declare no competing interests.

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Responsible editor: Xianliang Yi

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Airiken, M., Zhang, F., Chan, N.W. et al. Assessment of spatial and temporal ecological environment quality under land use change of urban agglomeration in the North Slope of Tianshan, China. Environ Sci Pollut Res 29, 12282–12299 (2022). https://doi.org/10.1007/s11356-021-16579-3

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  • DOI: https://doi.org/10.1007/s11356-021-16579-3

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