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

Freshwater Microbial Ecology01:24

Freshwater Microbial Ecology

Freshwater systems such as streams, rivers, and lakes exhibit distinct physical and biological characteristics that influence their microbial communities. These environments are broadly categorized into lotic systems—those with flowing waters like streams and most rivers—and lentic systems, which include still or slow-moving waters such as lakes, ponds, and marshes.In lentic systems, phytoplankton drive primary production, generating autochthonous organic carbon. In contrast, lotic systems...
Growth Models with Integration: Problem Solving01:27

Growth Models with Integration: Problem Solving

In population modeling, integration provides a systematic way to determine accumulated quantities from known rates of change. One such application arises in ecology, where the total weight of a fish population in a body of water is referred to as its biomass. When the rate of growth of this biomass is known as a function of time, calculus can be used to determine the total biomass at a future date.Growth Rate and Biomass FunctionLet the growth rate of the fish population be represented by a...
Modeling with Differential Equations01:25

Modeling with Differential Equations

Population dynamics can be described mathematically by considering the population size P(t) as a function of time. The rate of change of the population is then represented by the derivative of P(t). A simple assumption is that the rate of growth is proportional to the size of the population itself. This leads to an exponential growth model, where the population increases rapidly without bound. While this is a useful first approximation, it does not reflect realistic long-term...
What is an Ecosystem?01:17

What is an Ecosystem?

Overview
Environmental Applications of Microorganisms01:30

Environmental Applications of Microorganisms

Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
Typical Model Studies01:30

Typical Model Studies

Fluid mechanics model studies often utilize scaled-down systems to predict fluid behavior in full-scale environments, such as river flows, dam spillways, and structures interacting with open surfaces. Maintaining Froude number similarity in river models is crucial, as it replicates surface flow features like wave patterns and velocities.

You might also read

Related Articles

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

Sort by
Same author

Recruitment constraints in Singapore's fluted giant clam (Tridacna squamosa) population--a dispersal model approach.

PloS one·2013
See all related articles

Related Experiment Video

Updated: May 9, 2026

Visualization of Productivity Zones Based on Nitrogen Mass Balance Model in Narragansett Bay, Rhode Island
05:04

Visualization of Productivity Zones Based on Nitrogen Mass Balance Model in Narragansett Bay, Rhode Island

Published on: July 14, 2023

ECO: a generic eutrophication model including comprehensive sediment-water interaction.

Johannes G C Smits1, Jan K L van Beek

  • 1Marine and Coastal Systems, Deltares, Delft, The Netherlands. johannes.smits@deltares.nl

Plos One
|July 12, 2013
PubMed
Summary

The ECO model simulates water and sediment quality to manage eutrophication. It accurately predicts water quality changes, aiding nutrient reduction strategies and lake restoration.

More Related Videos

The Benthic Exchange of O2, N2 and Dissolved Nutrients Using Small Core Incubations
10:11

The Benthic Exchange of O2, N2 and Dissolved Nutrients Using Small Core Incubations

Published on: August 3, 2016

Laboratory-determined Phosphorus Flux from Lake Sediments as a Measure of Internal Phosphorus Loading
10:49

Laboratory-determined Phosphorus Flux from Lake Sediments as a Measure of Internal Phosphorus Loading

Published on: March 6, 2014

Related Experiment Videos

Last Updated: May 9, 2026

Visualization of Productivity Zones Based on Nitrogen Mass Balance Model in Narragansett Bay, Rhode Island
05:04

Visualization of Productivity Zones Based on Nitrogen Mass Balance Model in Narragansett Bay, Rhode Island

Published on: July 14, 2023

The Benthic Exchange of O2, N2 and Dissolved Nutrients Using Small Core Incubations
10:11

The Benthic Exchange of O2, N2 and Dissolved Nutrients Using Small Core Incubations

Published on: August 3, 2016

Laboratory-determined Phosphorus Flux from Lake Sediments as a Measure of Internal Phosphorus Loading
10:49

Laboratory-determined Phosphorus Flux from Lake Sediments as a Measure of Internal Phosphorus Loading

Published on: March 6, 2014

Area of Science:

  • Environmental Science
  • Limnology
  • Water Quality Modeling

Background:

  • Eutrophication poses a significant threat to aquatic ecosystems worldwide.
  • Existing models often lack dynamic simulation of sediment-water interactions, limiting predictive accuracy.
  • Accurate modeling is crucial for effective water quality management and restoration efforts.

Purpose of the Study:

  • To present the comprehensive generic 3D eutrophication model ECO.
  • To enhance the simulation of nutrient cycling and sediment diagenesis for improved water quality prediction.
  • To calibrate and validate the ECO model for a real-world case study.

Main Methods:

  • Development of a 3D computational grid for water and sediment.
  • Integration of water column and sediment diagenesis processes with closed mass balances.
  • Advanced formulation of sediment-water exchange fluxes based on steep concentration gradients.
  • Calibration of the ECO model using a ten-year dataset from Lake Veluwe, The Netherlands.

Main Results:

  • ECO accurately reproduced observed water quality during a ten-year transition from hypertrophic to moderately eutrophic conditions.
  • Model coefficients align with literature values, indicating robust parameterization.
  • Simulations highlighted the critical role of redox processes and phosphate speciation in nutrient return fluxes.
  • The model demonstrated that authigenic mineral formation in sediment can significantly contribute to lake oligotrophication.

Conclusions:

  • The ECO model provides a dynamic and accurate tool for water quality management and eutrophication studies.
  • Sediment processes, particularly nutrient diagenesis and mineral precipitation, are key drivers of lake ecosystem response to nutrient load reduction.
  • The model's findings support the potential for significant lake recovery through targeted nutrient management and understanding sediment-based phosphorus sinks.