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Generation of Dynamical Environmental Conditions using a High-Throughput Microfluidic Device
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Ecological environment pressure state and response system for coupling coordinate development: an application on

Jiapeng Dai1, Yousaf Ali Khan2

  • 1School of Government, Nanjing University, Nanjing, 210046, China.

Environmental Science and Pollution Research International
|November 7, 2022
PubMed
Summary

This study developed an ecological carrying capacity index using the pressure-state-response model. Results show improved urban ecological coordination and security in Nanchang, China, though further efforts are needed for high ecological security.

Keywords:
Coupling coordinate developmentEcological securityNanchangPre-warningPressure state response systemUrban ecological carrying capacity

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Area of Science:

  • Environmental Science
  • Urban Ecology
  • Ecological Security Assessment

Background:

  • Urbanization presents complex challenges to ecological systems.
  • Assessing ecological carrying capacity is crucial for sustainable development.
  • The Pressure-State-Response (PSR) framework provides a model for analyzing environmental status.

Purpose of the Study:

  • To develop an ecological carrying capacity index for urban environments.
  • To analyze the coupling coordination of ecological pressure, state, and response systems.
  • To evaluate the ecological security warning degree and trends in Nanchang, China.

Main Methods:

  • Application of the Pressure-State-Response (PSR) framework model.
  • Development of an ecological carrying capacity index.
  • Establishment of an urban ecological coupling coordination model.
  • Analysis of data from 2011 to 2020 for Nanchang, Jiangxi.

Main Results:

  • The coordination degree of urban ecological development in Nanchang improved annually.
  • The ecological carrying capacity security index showed an overall upward trend.
  • The security warning degree shifted from comparative insecurity to comparative security.
  • Ecological policies positively impacted ecological security during demonstration zone construction.

Conclusions:

  • Nanchang's ecological security has improved due to policy interventions.
  • The current ecological security index remains below the high-security threshold.
  • Continued government and public efforts are essential to enhance ecological security further.