Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Design Example: Analyzing Capacity Contours for Flood Risk Assessment01:17

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

384
Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
384
Ecological Niches02:02

Ecological Niches

27.5K
All organisms have a position within an ecosystem. The complete set of living and nonliving factors—including food resources, climate, and terrain—that define the position of a given organism are collectively referred to as the organism’s ecological niche.
27.5K
Threats to Biodiversity01:50

Threats to Biodiversity

27.9K
There have been five major extinction events throughout geological history, resulting in the elimination of biodiversity, followed by a rebound of species that adapted to the new conditions. In the current geological epoch, the Holocene, there is a sixth extinction event in progress. This mass extinction has been attributed to human activities and is thus provisionally called the Anthropocene. In 2019 the human population reached 7.7 billion people and is projected to comprise 10 billion by...
27.9K
Ecological Disturbance02:26

Ecological Disturbance

21.5K
An ecological disturbance is a temporary disruption in the environment resulting from abiotic, biotic, or anthropogenic factors, causing a pronounced change in an ecosystem. The impact of an ecological disturbance, which can depend on its intensity, frequency, and spatial distribution, plays a significant role in shaping the species diversity within the ecosystem.
21.5K
What is an Ecosystem?01:17

What is an Ecosystem?

48.3K
Overview
48.3K
Trophic Levels01:35

Trophic Levels

38.6K
All organisms in an ecosystem occupy a trophic level in the food chain. The lowest level consists of primary producers, which synthesize their food from either solar or chemical energy. Each subsequent level obtains energy from the levels below. Detritivores can occupy any of the levels above primary producers.
38.6K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

[Regional Variation Analysis of Lead （Pb） Ecological Risks in Surface Waters Across China].

Huan jing ke xue= Huanjing kexue·2026
Same author

Carbon nitride supported copper catalyst activating peroxydisulfate for efficient paracetamol degradation.

Journal of environmental sciences (China)·2026
Same author

The Complete Mitochondrial Genome of a Newly Recorded Chinese Species of Diglyphus sabulosus (Hymenoptera: Eulophidae) and Insights into Its Phylogenetic Position.

Biochemical genetics·2026
Same author

[Calculation and Spatial Characteristics of Dilution Factors Across the Yellow River Basin].

Huan jing ke xue= Huanjing kexue·2026
Same author

Making waves: Addressing the over-conservatism of the assessment factor method in aquatic ecological risk assessment.

Water research·2025
Same author

Pipe material significantly affected microbial regrowth and potential risks in reclaimed water distribution systems.

Journal of hazardous materials·2025

Related Experiment Video

Updated: Apr 14, 2026

Linking Predation Risk, Herbivore Physiological Stress and Microbial Decomposition of Plant Litter
10:20

Linking Predation Risk, Herbivore Physiological Stress and Microbial Decomposition of Plant Litter

Published on: March 12, 2013

14.1K

The "Ecological Node-Food Web" based ecological risk assessment.

Hong-Ying Hu1,2, Ren Ding1, Huanan Gao1

  • 1State Key Laboratory of Regional Environment and Sustainability, Key Laboratory of Microorganism Application and Risk Control, Ministry of Ecology and Environment, School of Environment, Tsinghua University, Beijing 100084, China.

Fundamental Research
|April 13, 2026
PubMed
Summary

This study introduces an ecological node-food web method to assess aquatic risks, reducing data needs and costs. It effectively predicts ecosystem responses to pollutants using key species data.

Keywords:
Aquatic ecological risk assessmentEcological node organismEcosystem toxicity endpointFood web modelSpecies sensitivity distribution

More Related Videos

Demonstration of the Sequence Alignment to Predict Across Species Susceptibility Tool for Rapid Assessment of Protein Conservation
16:02

Demonstration of the Sequence Alignment to Predict Across Species Susceptibility Tool for Rapid Assessment of Protein Conservation

Published on: February 10, 2023

3.5K
Quantification of the Potential Impact of Glyphosate-Based Products on Microbiomes
07:42

Quantification of the Potential Impact of Glyphosate-Based Products on Microbiomes

Published on: January 10, 2022

4.9K

Related Experiment Videos

Last Updated: Apr 14, 2026

Linking Predation Risk, Herbivore Physiological Stress and Microbial Decomposition of Plant Litter
10:20

Linking Predation Risk, Herbivore Physiological Stress and Microbial Decomposition of Plant Litter

Published on: March 12, 2013

14.1K
Demonstration of the Sequence Alignment to Predict Across Species Susceptibility Tool for Rapid Assessment of Protein Conservation
16:02

Demonstration of the Sequence Alignment to Predict Across Species Susceptibility Tool for Rapid Assessment of Protein Conservation

Published on: February 10, 2023

3.5K
Quantification of the Potential Impact of Glyphosate-Based Products on Microbiomes
07:42

Quantification of the Potential Impact of Glyphosate-Based Products on Microbiomes

Published on: January 10, 2022

4.9K

Area of Science:

  • Environmental toxicology
  • Ecosystem modeling
  • Aquatic ecology

Background:

  • Traditional aquatic risk assessments rely heavily on extensive toxicological data.
  • Limited consideration of interspecies interactions in current methods.
  • Need for cost-effective and data-efficient risk assessment frameworks.

Purpose of the Study:

  • To introduce a novel "ecological node-food web" method for aquatic ecological risk assessment.
  • To establish dose-response relationships between pollutants and ecosystem-level toxicity endpoints.
  • To reduce data requirements and enhance cost-effectiveness in risk assessments.

Main Methods:

  • Integration of toxicological data from key "ecological node" species.
  • Utilizing food web modeling to link species data to ecosystem-level endpoints.
  • Developing dose-response relationships for pollutants at the ecosystem level.

Main Results:

  • Data from a few key ecological nodes effectively mimic ecosystem-wide responses to pollutants.
  • The proposed method significantly reduces the need for extensive toxicological datasets.
  • Elucidation of pollutant risk mechanisms through observed changes in community structure.

Conclusions:

  • The "ecological node-food web" method offers a scientifically robust and cost-effective alternative to traditional risk assessments.
  • This approach enhances understanding of how pollutants impact aquatic ecosystems via community structure.
  • Enables the derivation of scientifically robust ecological risk thresholds with reduced data input.