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Related Concept Videos

Symbiosis00:58

Symbiosis

Symbiotic relationships are long-term, close interactions between individuals of different species that affect the distribution and abundance of those species. When a relationship is beneficial to both species, this is called mutualism. When the relationship is beneficial to one species but neither beneficial nor harmful to the other species, this is called commensalism. When one organism is harmed to benefit another, the relationship is known as parasitism. These types of relationships often...
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Growth Models with Integration: Problem Solving

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Optimal Foraging

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Pharmacodynamic Models: Direct Effect Model and Indirect Response Model

Pharmacodynamic models are essential tools in understanding the relationship between drug concentrations and their effects on biological systems. By characterizing the dynamics of drug action, these models guide dose selection, optimize therapeutic efficacy, and inform the development of new drugs. Two major classes of pharmacodynamic models include direct effect and indirect response models.Direct Effect ModelsDirect effect models describe the immediate relationship between drug concentration...
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Microbial Interactions: Mutualism

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Ecological Disturbance

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Related Experiment Video

Updated: Jul 2, 2026

JenaTron - An Experimental Approach to Study the Effects of Plant History and Soil History on Grassland Ecosystem Functioning
09:23

JenaTron - An Experimental Approach to Study the Effects of Plant History and Soil History on Grassland Ecosystem Functioning

Published on: March 21, 2025

Bidirectional interactions among ecosystem services under the Grain for Green Program: Insights from simultaneous

Hailun Che1, Zihan Xu1, Hualin Li1

  • 1School of Soil and Water Conservation, Beijing Forestry University, Beijing, 100083, China.

Journal of Environmental Management
|June 30, 2026
PubMed
Summary

Ecological restoration projects like the Grain for Green Program (GFGP) show complex ecosystem service interactions. Understanding these dynamics is crucial for effective, long-term environmental management and restoration success.

Keywords:
Driving mechanismsEcological restoration programEcosystem servicesSimultaneous equation modelTrade-offs and synergies

Related Experiment Videos

Last Updated: Jul 2, 2026

JenaTron - An Experimental Approach to Study the Effects of Plant History and Soil History on Grassland Ecosystem Functioning
09:23

JenaTron - An Experimental Approach to Study the Effects of Plant History and Soil History on Grassland Ecosystem Functioning

Published on: March 21, 2025

Area of Science:

  • Ecological economics
  • Environmental science
  • Land management

Background:

  • Effective implementation of ecological restoration programs, such as the Grain for Green Program (GFGP), requires understanding the complex, bidirectional interactions among ecosystem services.
  • Current methodologies often fail to capture these reciprocal relationships or adequately account for external drivers, leading to potentially biased assessments of restoration outcomes.

Purpose of the Study:

  • To quantify the spatiotemporal dynamics of water yield, grain production, carbon sequestration, and soil conservation in a fragile basin on the Loess Plateau under the GFGP from 2000 to 2019.
  • To investigate the bidirectional interactions and drivers influencing these ecosystem services using simultaneous equation models.

Main Methods:

  • Application of simultaneous equation models to analyze ecosystem service interdependencies.
  • Spatio-temporal analysis of water yield, grain production, carbon sequestration, and soil conservation data from 2000 to 2019.
  • Assessment of land conversion impacts (cropland to forestland and grassland) on ecosystem services.

Main Results:

  • Over the study period (2000-2019), water yield decreased while other ecosystem services (grain production, carbon sequestration, soil conservation) generally increased.
  • Bidirectional interactions were observed: water yield positively influenced grain production in 2005, but grain production constrained water yield. Water yield and soil conservation exhibited mutual constraints through runoff-erosion feedback.
  • Net primary productivity (NPP) negatively affected water yield in later periods due to increased transpiration. Land conversion ratios impacted soil conservation and grain production, with notable time lags in soil conservation responses.

Conclusions:

  • The study underscores the critical need to monitor dynamic changes in the bidirectional interactions and drivers of ecosystem services for informed ecological restoration.
  • Accurate assessment of these complex relationships is essential for the scientifically sound and sustainable long-term implementation of programs like the GFGP.
  • Findings highlight the importance of considering inter-service feedback loops and land-use change dynamics in ecological management strategies.