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Related Experiment Video

Updated: Sep 15, 2025

Soil Lysimeter Excavation for Coupled Hydrological, Geochemical, and Microbiological Investigations
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Ecological security patterns for coordinating development in frozen soil regions - construction framework by coupling

Xiangdong Xu1, Xu Yang2, Lin Lin2

  • 1School of Geographical Sciences, Harbin Normal University, Harbin, 150025, China.

Journal of Environmental Management
|July 15, 2025
PubMed
Summary

This study develops a coordinated ecological security pattern (ESP) framework for frozen soil regions, proposing an optimal "one ring, three corridors, and four cores" pattern for Heilongjiang Province to balance development and ecological protection.

Keywords:
Coordinated developmentEcological security patternFrozen soil regionMultiple scenarios

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Area of Science:

  • Ecology
  • Environmental Science
  • Geography

Background:

  • Ecosystems face degradation from global warming and human activities.
  • Ecological Security Patterns (ESPs) are crucial for ecosystem protection.
  • Existing ESP studies lack coordinated assessment across multiple indicators.

Purpose of the Study:

  • To propose a novel framework for constructing coordinated ESPs in frozen soil regions.
  • To apply this framework in Heilongjiang Province, integrating multiple models.
  • To identify an optimal ESP pattern balancing ecological security and regional development.

Main Methods:

  • Integration of Multiple Criteria Comprehensive Analysis (MCCA), Minimum Operating Pattern (MOP), InVEST, and Minimum Cumulative Resistance (MCR) models.
  • Land use change simulation to 2035 under different development scenarios.
  • Assessment of ecosystem service values including carbon storage, habitat quality, crop production, water yield, and soil conservation.
  • Identification and analysis of ecological sources and corridors under various scenarios.

Main Results:

  • Land use in Heilongjiang Province is projected to stabilize by 2035, with cropland and woodland dominating.
  • Ecosystem service values show a consistent "low-high-low" distribution, with minimal changes except for water yield and soil conservation under the Economic Priority Development (EPD) scenario.
  • The Frozen Soil Protection (FSP) scenario yielded the most optimal ecological sources and corridors, suggesting it best ensures ecological security, despite the EPD scenario having the broadest spatial extent.

Conclusions:

  • A coordinated ESP framework is essential for managing ecosystems in frozen soil regions.
  • The proposed "one ring, three corridors, and four cores" pattern offers an optimized approach for Heilongjiang Province.
  • This study provides a valuable framework for coordinating regional development and ecological security in similar environments.