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

Habitat Fragmentation02:31

Habitat Fragmentation

21.4K
Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land conversion, as well as slower geological processes leading to changes in the physical environment, are the two leading causes of habitat fragmentation. The fragmentation process typically follows the same steps: perforation, dissection, fragmentation, shrinkage, and attrition.
21.4K
Osmoregulation in Fishes02:32

Osmoregulation in Fishes

53.1K
When cells are placed in a hypotonic (low-salt) fluid, they can swell and burst. Meanwhile, cells in a hypertonic solution—with a higher salt concentration—can shrivel and die. How do fish cells avoid these gruesome fates in hypotonic freshwater or hypertonic seawater environments?
53.1K
Design Example: Creating a Hydraulic Model of a Dam Spillway01:21

Design Example: Creating a Hydraulic Model of a Dam Spillway

734
Scaled hydraulic models of dam spillways provide a practical way to replicate and study the intricate flow dynamics of these structures. Often built to a 1:15 ratio, these models allow for observing critical water behavior, such as velocity distribution, flow patterns, and energy dissipation.
734
Arteries of the Upper Limbs01:12

Arteries of the Upper Limbs

2.3K
The subclavian artery transitions into the axillary artery as it exits the chest and enters the axillary region. This artery is critical for supplying blood to the shoulder area, including the head of the humerus, through the humeral circumflex arteries. As the vessel continues into the upper arm or brachium, it becomes the brachial artery. This artery plays a key role in vascularizing the brachial region and bifurcates at the elbow into several branches. These branches include the deep...
2.3K
States of Water01:23

States of Water

56.9K
Water exists in any one of the three classical states: solid (ice), liquid (water), and gas (steam or water vapor). The state of water depends on i) the intermolecular forces that draw molecules together and ii) the kinetic energy that leads to movements that pull them apart.
Water freezes when the intermolecular forces are greater than the kinetic energy. Unlike most other substances, water is less dense in its solid state than in its liquid state. This is because each water molecule can form...
56.9K
Leveling Effect01:29

Leveling Effect

1.4K
In acid-base chemistry, the leveling effect refers to the limitation imposed by the solvent on the strength of acids and bases in solution. When a base stronger than the solvent's conjugate base is used, it deprotonates the solvent until the base is entirely consumed, making it ineffective against weaker acids. Conversely, an acid stronger than the solvent's conjugate acid protonates the solvent until the acid is depleted, rendering it ineffective against weaker bases. Essentially, the...
1.4K

You might also read

Related Articles

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

Sort by
Same author

38 years of declining and stable chlorophyll-a trends in northern US rivers.

The Science of the total environment·2025
Same author

Precipitation and temperature drive continental-scale patterns in stream invertebrate production.

Science advances·2019
Same author

Feeding ecology and emergence production of annual cicadas (Homoptera: Cicadidae) in tallgrass prairie.

Oecologia·2017
Same author

Population demographics of American eels Anguilla rostrata in two Arkansas, U.S.A., catchments that drain into the Gulf of Mexico.

Journal of fish biology·2016
Same author

Toxins in transgenic crop byproducts may affect headwater stream ecosystems.

Proceedings of the National Academy of Sciences of the United States of America·2007
Same author

Stream insect occupancy-frequency patterns and metapopulation structure.

Oecologia·2006

Related Experiment Video

Updated: Feb 2, 2026

Clean Sampling and Analysis of River and Estuarine Waters for Trace Metal Studies
10:44

Clean Sampling and Analysis of River and Estuarine Waters for Trace Metal Studies

Published on: July 1, 2016

12.1K

Extended Water-Level Drawdowns in Dammed Rivers Enhance Fish Habitat: Environmental Pool Management in the Upper

A A Coulter1, S R Adams2, M B Flinn3

  • 1Center for Fisheries, Aquaculture, and Aquatic Sciences, Southern Illinois University, 1125 Lincoln Dr., Carbondale, IL, 62901, USA. acoulter@siu.edu.

Environmental Management
|November 16, 2018
PubMed
Summary

Environmental Pool Management (EPM) enhances river ecosystems by restoring natural flow and promoting vegetation growth. This increased habitat heterogeneity benefits fish abundance and diversity, especially for young fish, aiding ecosystem health.

Keywords:
Adaptive managementDamsEnvironmental flowsMississippi RiverMoist-soil plantsWater-level management

More Related Videos

A Standardized Protocol for Preference Testing to Assess Fish Welfare
07:29

A Standardized Protocol for Preference Testing to Assess Fish Welfare

Published on: February 22, 2020

7.4K
Necropsy-based Wild Fish Health Assessment
07:57

Necropsy-based Wild Fish Health Assessment

Published on: September 11, 2018

18.1K

Related Experiment Videos

Last Updated: Feb 2, 2026

Clean Sampling and Analysis of River and Estuarine Waters for Trace Metal Studies
10:44

Clean Sampling and Analysis of River and Estuarine Waters for Trace Metal Studies

Published on: July 1, 2016

12.1K
A Standardized Protocol for Preference Testing to Assess Fish Welfare
07:29

A Standardized Protocol for Preference Testing to Assess Fish Welfare

Published on: February 22, 2020

7.4K
Necropsy-based Wild Fish Health Assessment
07:57

Necropsy-based Wild Fish Health Assessment

Published on: September 11, 2018

18.1K

Area of Science:

  • Riverine ecology
  • Freshwater ecosystem management
  • Conservation biology

Background:

  • Dam construction disrupts natural river flow regimes, impacting ecosystem function.
  • Environmental Pool Management (EPM) aims to restore flow variability and habitat heterogeneity.
  • Terrestrial vegetation on floodplains plays a crucial role in aquatic habitats.

Purpose of the Study:

  • To investigate the impact of EPM-induced vegetation growth on fish assemblages and abundance.
  • To assess the role of habitat heterogeneity in supporting riverine fish populations.
  • To evaluate EPM as a tool for mitigating dam impacts on river ecosystems.

Main Methods:

  • A three-year experiment in Mississippi River pool 25 comparing vegetated and devegetated plots.
  • EPM water-level reductions were used to dewater terrestrial floodplain areas.
  • Fish assemblage and abundance were quantified post-inundation in paired plots.

Main Results:

  • Fish abundance was greater in vegetated plots, particularly for species utilizing vegetation.
  • Fish assemblages differed more between plot types with greater EPM drawdown magnitudes.
  • Young-of-year fish, especially those reliant on vegetation, showed higher utilization of vegetated plots.

Conclusions:

  • EPM-driven vegetation growth enhances habitat heterogeneity, benefiting river fish, including young-of-year individuals.
  • Increased habitat complexity can mitigate negative impacts of dams and water regulation on river fishes.
  • EPM is a cost-effective adaptive management strategy for maintaining river biodiversity and ecosystem health.