Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Typical Model Studies

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.

Primary Production

Primary Production

The total amount of energy acquired by primary producers in an ecosystem is called gross primary production (GPP). However, of this energy, producers use some for metabolic processes, and some is lost as heat, decreasing the amount of energy available to the next trophic level. The remaining usable amount of energy is called the net primary productivity (NPP). In terrestrial ecosystems, NPP is driven by climate, while light penetration and nutrient availability drive NPP in aquatic ecosystems.

Microbial Wastewater Treatment

Microbial Wastewater Treatment

Microbial communities in aquatic ecosystems play a key role in the natural breakdown of contaminants introduced through domestic and industrial effluents. Acting as biological catalysts, these microbes change and mineralize a wide range of organic and inorganic pollutants under different redox conditions.In oxygen-rich surface waters, aerobic heterotrophs lead organic matter breakdown, using oxygen as the terminal electron acceptor to efficiently oxidize substrates to carbon dioxide and water.

Marine Microbial Ecology

Marine Microbial Ecology

Marine microbial ecosystems are shaped by distinct physicochemical limits, including high salinity, low nutrient availability, and fluctuating oxygen levels. These conditions favor smaller microbial cell sizes, which maximize their surface-to-volume ratio for efficient nutrient uptake.Microbial activity and community composition are closely linked to biogeochemical cycles, particularly in dynamic environments like estuaries, where halotolerant microbes thrive in response to variable salinity...

You might also read

Related Articles

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

Sort by

Same author

Equine fecal microbiota response to short term antibiotic administration.

Journal of equine veterinary science·2024

Same author

Cumulative effects of multiple stressors impact an endangered seagrass population and fish communities.

The Science of the total environment·2023

Same author

Efficacy of incisional negative pressure therapy in preventing post-sternotomy wound complications.

American journal of surgery·2023

Same author

Similarity in human health risk assessment using models of soil-blood lead levels (IEUBK) and non-carcinogenic condition (US EPA 2002).

The Science of the total environment·2023

Same author

A novel tool to quantify in vivo lumbar spine kinematics and 3D intervertebral disc strains using clinical MRI.

Journal of the mechanical behavior of biomedical materials·2023

Same author

Neutron time-of-flight detectors (nTOF) used at Sandia's Z-Machine.

The Review of scientific instruments·2022

Search research articles

Related Experiment Video

Updated: Jun 22, 2026

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

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

Published on: July 14, 2023

Modelling nutrient loads to Sydney estuary (Australia).

Gavin F Birch¹, Bride Cruickshank, B Davis

¹Environmental Geology Group, School of Geosciences, Sydney University, Sydney, NSW, 2006, Australia. gavin@geosci.usyd.edu.au

Environmental Monitoring and Assessment

|July 2, 2009

Summary

Urban stormwater runoff significantly impacts Sydney estuary nutrient loads. Management should focus on reducing pollutant delivery during low and moderate rainfall events to protect this sensitive ecosystem.

More Related Videos

Design and Use of an Apparatus for Quantifying Bivalve Suspension Feeding at Sea

Design and Use of an Apparatus for Quantifying Bivalve Suspension Feeding at Sea

Published on: September 5, 2018

Continuous Instream Monitoring of Nutrients and Sediment in Agricultural Watersheds

Continuous Instream Monitoring of Nutrients and Sediment in Agricultural Watersheds

Published on: September 26, 2017

Related Experiment Videos

Last Updated: Jun 22, 2026

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

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

Published on: July 14, 2023

Design and Use of an Apparatus for Quantifying Bivalve Suspension Feeding at Sea

Design and Use of an Apparatus for Quantifying Bivalve Suspension Feeding at Sea

Published on: September 5, 2018

Continuous Instream Monitoring of Nutrients and Sediment in Agricultural Watersheds

Continuous Instream Monitoring of Nutrients and Sediment in Agricultural Watersheds

Published on: September 26, 2017

Area of Science:

Environmental Science
Hydrology
Ecosystem Management

Background:

Sydney estuary catchment is 80% urbanized, supporting 2.5 million people.
High urbanization makes the estuary highly sensitive to human impacts.

Purpose of the Study:

To model nutrient and sediment export to Sydney estuary.
To identify key rainfall conditions driving pollutant loads.
To inform effective management strategies for reducing nutrient impacts.

Main Methods:

Utilized the Model for Urban Stormwater Improvement Conceptualisation (MUSIC).
Verified model with intensive water sampling and 10 years of published data.
Analyzed pollutant loads under varying rainfall intensities.

Main Results:

Average annual loads: 475 t total nitrogen, 63.5 t total phosphorus, 343,000 t total suspended solids.
Nutrient loads are primarily delivered during moderate rainfall (5-50 mm/day).
High rainfall (>50 mm/day) leads to nutrient plume removal; moderate rainfall causes accumulation.

Conclusions:

Minimizing pollutant loads from low and moderate rainfall is crucial for reducing Sydney estuary's nutrient burden.
Targeted management strategies should focus on these rainfall events.
Effective management can mitigate anthropogenic influence on this urbanized estuary.