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

15.7K
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.
15.7K
Design Example: Creating a Hydraulic Model of a Dam Spillway01:21

Design Example: Creating a Hydraulic Model of a Dam Spillway

977
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.
977
Speciation Rates01:07

Speciation Rates

18.8K
Overview
18.8K
Conservation of Declining Populations02:07

Conservation of Declining Populations

11.5K
Conservation of declining population focuses on ways of detecting, diagnosing, and halting a population decline. The approach uses methods to prevent populations from going extinct.
11.5K
Net Change Theorem01:22

Net Change Theorem

216
The Net Change Theorem is a fundamental principle in calculus that establishes a direct relationship between a function’s rate of change and its accumulated change over an interval. Mathematically, it states that the definite integral of a function's derivative over a given interval [a,b] yields the net change in the original function:This theorem has significant applications in various real-world scenarios, including physics, economics, and engineering. A particularly useful application...
216
Migration00:53

Migration

8.1K
Migration is long-range, seasonal movement from one region or habitat to another. This common strategy, carried out by many different organisms around the world, is an adaptive response that typically corresponds to changes in an organism’s environment, like resource availability or climate. Migrations can involve huge groups of thousands of animals as well as single individuals traveling alone and can range from thousands of kilometers to just a few hundred meters.
8.1K

You might also read

Related Articles

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

Sort by
Same author

Governing Ecological Connectivity in Cross-Scale Dependent Systems.

Bioscience·2022
Same author

Factors constraining the adoption of soil organic carbon enhancing technologies among small-scale farmers in Ethiopia.

Heliyon·2021
Same author

Survey data on factors that constrain the adoption of soil carbon enhancing technologies in Ethiopia.

Scientific data·2020
Same author

Mapping legal authority for terrestrial conservation corridors along streams.

Conservation biology : the journal of the Society for Conservation Biology·2020
Same author

Stream Transport and Retention of Environmental DNA Pulse Releases in Relation to Hydrogeomorphic Scaling Factors.

Environmental science & technology·2019
Same author

Regime shifts and panarchies in regional scale social-ecological water systems.

Ecology and society : a journal of integrative science for resilience and sustainability·2018

Related Experiment Video

Updated: Apr 27, 2026

Watershed Planning within a Quantitative Scenario Analysis Framework
12:44

Watershed Planning within a Quantitative Scenario Analysis Framework

Published on: July 24, 2016

7.7K

Quantifying process-based mitigation strategies in historical context: separating multiple cumulative effects on

Alexander K Fremier1, Evan H Girvetz2, Steven E Greco3

  • 1School of the Environment, Washington State University, Pullman, Washington, United States of America.

Plos One
|June 26, 2014
PubMed
Summary
This summary is machine-generated.

Environmental laws create sliding baselines, altering ecosystems over time. A study on the Sacramento River shows flow regulation and riprap significantly reduce river channel migration and floodplain development.

More Related Videos

Modifying the Bank Erosion Hazard Index BEHI Protocol for Rapid Assessment of Streambank Erosion in Northeastern Ohio
13:00

Modifying the Bank Erosion Hazard Index BEHI Protocol for Rapid Assessment of Streambank Erosion in Northeastern Ohio

Published on: February 13, 2015

8.5K
Predicting the Effectiveness of Population Replacement Strategy Using Mathematical Modeling
20:36

Predicting the Effectiveness of Population Replacement Strategy Using Mathematical Modeling

Published on: July 4, 2007

8.2K

Related Experiment Videos

Last Updated: Apr 27, 2026

Watershed Planning within a Quantitative Scenario Analysis Framework
12:44

Watershed Planning within a Quantitative Scenario Analysis Framework

Published on: July 24, 2016

7.7K
Modifying the Bank Erosion Hazard Index BEHI Protocol for Rapid Assessment of Streambank Erosion in Northeastern Ohio
13:00

Modifying the Bank Erosion Hazard Index BEHI Protocol for Rapid Assessment of Streambank Erosion in Northeastern Ohio

Published on: February 13, 2015

8.5K
Predicting the Effectiveness of Population Replacement Strategy Using Mathematical Modeling
20:36

Predicting the Effectiveness of Population Replacement Strategy Using Mathematical Modeling

Published on: July 4, 2007

8.2K

Area of Science:

  • Riverine geomorphology
  • Ecosystem dynamics
  • Environmental impact assessment

Background:

  • Current US environmental legislation, like the National Environmental Policy Act (NEPA), mandates using present-day conditions as baselines, ignoring historical ecosystem states.
  • This 'sliding baseline' phenomenon, where ecosystems are continuously altered without reference to their past, significantly impacts long-term environmental health.
  • In river systems, cumulative impacts from flow regulation, channel hardening (revetment), and riparian vegetation removal disrupt natural channel dynamics and hinder ecosystem processes like primary succession.

Purpose of the Study:

  • To quantify the cumulative impacts of flow regulation and riprap on river channel migration and floodplain development.
  • To assess the independent and synergistic effects of these human-induced stressors on the Sacramento River.
  • To demonstrate the utility of modeling approaches for defining mitigation strategies for altered riverine ecosystems.

Main Methods:

  • Utilized a river channel meander migration model to simulate impacts on the Sacramento River, California.
  • Quantified reductions in channel migration rates due to flow regulation under various water diversion scenarios.
  • Estimated changes in depositional area and the influence of riprap on channel migration over a 130-year period.

Main Results:

  • Flow regulation alone reduced channel migration by 38% from pre-dam conditions.
  • Four proposed water diversion scenarios further reduced migration by 42-44%.
  • Riprap, in conjunction with proposed water projects, could decrease depositional area by 17-25 hectares over 130 years, compared to 51-71 hectares without riprap.

Conclusions:

  • Modeling provides a robust method for quantifying cumulative and synergistic environmental impacts.
  • Quantification enables the analytical definition of effective mitigation measures.
  • Process-based mitigation, such as riprap removal, can restore natural river dynamics, promote floodplain creation, and support riparian vegetation recruitment.