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eISSN: 2083-5906
ISSN: 1230-1485
ISSN: 1230-1485
ORIGINAL RESEARCH
Spatio-Temporal Disparity
of Ecosystem Carbon Sequestration Capacity
in the Region of Chengde, China
1
College of Resources and Environmental Sciences, Hebei Minzu Normal University, Chengde, 067000, China
2
Key Laboratory of Botany (Hebei Normal University for Nationalities) State Ethnic Affairs Commission,
Chengde, Hebei 067000, China
3
Institute of Geographical Sciences, Hebei Academy of Sciences / Hebei Technology Innovation Center for Geographic
Information Application, Shijiazhuang, 050011, China
4
Hebei Key Laboratory of Wetland Ecology and Conservation, Hengshui, 053000, China
These authors had equal contribution to this work
Submission date: 2024-06-11
Final revision date: 2024-07-24
Acceptance date: 2024-08-15
Online publication date: 2024-10-21
Publication date: 2025-08-20
Corresponding author
Yufeng Liu
College of Resources and Environmental Sciences, Hebei Minzu Normal University, Chengde, 067000, China
College of Resources and Environmental Sciences, Hebei Minzu Normal University, Chengde, 067000, China
Pol. J. Environ. Stud. 2025;34(5):6121-6132
KEYWORDS
TOPICS
ABSTRACT
Enhancing the carbon sequestration capacity of ecosystems in key regions, such as Chengde City, is
crucial for achieving China’s long-term goal of carbon neutrality. This study innovatively applies
a comprehensive evaluation model to quantitatively evaluate the spatio-temporal disparity and key factors
influencing the ecosystem carbon sequestration capacity in Chengde City over two decades, aiming to
provide a solid scientific foundation for local policy formulation and to explore effective strategies for
enhancing regional carbon sequestration potential. Based on Land Use and Land Cover Change data
from 2000 to 2020, the study employs the carbon sequestration factor method from the “2006 IPCC
Guidelines for National Greenhouse Gas Inventories” to quantitatively analyze the carbon sequestration
ability of various kinds of ecosystems. Quantitative analysis revealed a 0.56% decrease in the annual
carbon sequestration of Chengde’s ecosystems from 17.8215 million tons in 2000 to 17.7214 million tons
in 2020, indicating an average annual reduction of 0.0501 million tons. Forestlands and cultivated land,
which are primary contributors to carbon sequestration, account for over 80% of the total capacity. Spatial
distribution analysis identified Fengning County, Weichang County, and Longhua County as the areas
with the most concentrated carbon sequestration capacity, together accounting for over 60% of Chengde’s
total annual carbon sequestration. The continuous decline in Chengde’s ecosystem carbon sequestration
capacity was closely linked to changes in land use, accelerated urbanization, and rapid economic
development. To counteract this observed decline, the study recommends strengthening the construction
and management of ecological conservation areas, holistically promoting sustainable agricultural
practices, systematically advancing urban greening projects, and actively raising public environmental awareness. These comprehensive measures are expected to optimize land resource utilization, enhance
the carbon sequestration functions of ecosystems, and improve ecological security and residents’ quality
of life, thereby providing robust support for the sustainable development of Chengde and its surrounding
regions.
CONFLICT OF INTEREST
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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| eISSN: | 2083-5906 |
| ISSN: | 1230-1485 |
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