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Related Experiment Video

Updated: Jul 16, 2025

Watershed Planning within a Quantitative Scenario Analysis Framework

Watershed Planning within a Quantitative Scenario Analysis Framework

Published on: July 24, 2016

Spatial analysis enables priority selection in conservation practices for landscapes that need ecological security.

Hui Tang¹, Jian Peng², Hong Jiang²

¹Key Laboratory of Earth Surface System and Human-Earth Relations, Ministry of Natural Resources, School of Urban Planning and Design, Shenzhen Graduate School, Peking University, Shenzhen, 518055, China.

Journal of Environmental Management

|September 10, 2023

Summary

This study identifies an ecological security pattern in Ningxia, China, using spatial conservation prioritization. The Zonation approach significantly improved landscape connectivity and patch area, offering an effective tool for ecological conservation.

Keywords:

Circuit model Ecological security pattern Landscape connectivity Spaital conservation prioritization Zonation model

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Area of Science:

Urban ecology
Landscape ecology
Conservation science

Background:

Global urbanization presents ecological challenges despite socio-economic benefits.
Ecological security patterns are crucial for balancing conservation and development.
Fragmentation of ecological sources remains a key issue in pattern identification.

Purpose of the Study:

To identify the ecological security pattern in the Yellow River city belt, Ningxia, China.
To evaluate the effectiveness of spatial conservation prioritization using the Zonation model.
To enhance landscape connectivity and ecosystem service conservation.

Main Methods:

Utilized spatial conservation prioritization to identify ecological security patterns.
Selected ecological sources with the Zonation model.
Identified ecological corridors and nodes using the circuit model.

Main Results:

The ecological security pattern covers 7713.1 km², comprising 97 sources, 226 corridors, 267 pinch points, and 22 barriers.
Ecological sources are concentrated in Helan Mountain, Xiang Mountain, and along the Yellow River.
The Zonation approach improved landscape connectivity by 44% and average patch area by 28% compared to a scoring approach.

Conclusions:

Spatial conservation prioritization offers an effective method for constructing ecological security patterns.
The proposed approach enhances landscape connectivity and ecosystem service conservation synergistically.
The Yellow River and Helan Mountain are identified as critical conservation hotspots.