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

Conservation of Small Populations02:04

Conservation of Small Populations

14.4K
Small population sizes put a species at extreme risk of extinction due to a lack of variation, and a consequent decrease in adaptability. This weakens the chances of survival under pressures such as climate change, competition from other species, or new diseases. Large populations are more likely to survive pressures such as these, as such populations are more likely to harbor individuals that have genetic variants that are adaptive under new stresses. Small populations are much less...
14.4K
Conservation of Declining Populations02:07

Conservation of Declining Populations

11.6K
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.
11.6K
Evolutionary Psychology01:20

Evolutionary Psychology

1.3K
Evolutionary psychology explores the origins of human behavior and mental processes by framing them within the context of natural selection, a theory famously propounded by Charles Darwin. This field asserts that many behaviors common across human societies — ranging from instinctive fear reactions to complex social interactions — arose as evolutionary adaptations. These adaptations enhanced the survival and reproductive success of our ancestors, thereby becoming embedded in the...
1.3K
Evolution of New Traits in Microbes01:24

Evolution of New Traits in Microbes

199
Microorganisms evolve rapidly due to their large population sizes and short generation times, often exhibiting measurable changes within days under laboratory conditions. Natural selection acts on standing genetic variation, enabling the retention and amplification of beneficial traits that confer fitness advantages in changing environments.Adaptive Pigment Regulation in RhodobacterIn Rhodobacter, a genus of purple non-sulfur bacteria, light-harvesting pigments such as bacteriochlorophyll and...
199
The Evidence for Evolution02:55

The Evidence for Evolution

40.1K
Genetic variations accumulating within populations over generations give rise to biological evolution. Evolutionary changes can result in the formation of novel varieties and entire new species. These changes are responsible for the diverse forms of life inhabiting the planet. The evidence for evolution suggests that all living organisms descended from common ancestors.
40.1K
Genetic Drift03:33

Genetic Drift

35.4K
Natural selection—probably the most well-known evolutionary mechanism—increases the prevalence of traits that enhance survival and reproduction. However, evolution does not merely propagate favorable traits, nor does it always benefit populations.
35.4K

You might also read

Related Articles

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

Sort by
Same author

[Transdisciplinary Expert Statement: care guide for people severely affected by ME/CFS in home-based care].

Wiener medizinische Wochenschrift (1946)·2026
Same author

How do mate-finding Allee effects affect evolutionary rescue?

Evolution; international journal of organic evolution·2026
Same author

Resistance variation and bacterial interactions shape adaptation of a genetically diverse pathogen population to antibiotic therapy.

The ISME journal·2026
Same author

Evolutionary responses to increased opportunity for sexual selection in yeast.

BMC ecology and evolution·2026
Same author

Evolutionary responses to increased opportunity for sexual selection in yeast.

bioRxiv : the preprint server for biology·2025
Same author

Elevated mutation near crossovers inhibits the evolution of recombination.

bioRxiv : the preprint server for biology·2025
Same journal

Traffic Reduction during COVID-19 Lockdowns Benefited Species Already Tolerant of Noise Pollution: An Acoustic Analysis.

The American naturalist·2026
Same journal

On Pachycephalosaurs, Trade-Offs, and the Historical Genesis of Sociosexual Display Structures.

The American naturalist·2026
Same journal

Structured Landscapes Promote Persistence by Favoring Prudent Predators.

The American naturalist·2026
Same journal

Can Carbon Economy Explain Leaf Dynamic Seasonality in a Tropical Seasonal Rainforest?

The American naturalist·2026
Same journal

Behavior and Physiology Outpace Form When Linking Traits to Ecological Responses within Populations: A Meta-Analysis.

The American naturalist·2026
Same journal

Seminal Fluid Proteins as Regulation Factors for Optimizing Reproduction: A Modeling Approach.

The American naturalist·2026
See all related articles

Related Experiment Video

Updated: May 4, 2026

Following the Dynamics of Structural Variants in Experimentally Evolved Populations
04:52

Following the Dynamics of Structural Variants in Experimentally Evolved Populations

Published on: February 3, 2023

1.2K

Evolutionary rescue in structured populations.

Hildegard Uecker1, Sarah P Otto, Joachim Hermisson

  • 1Mathematics and Biosciences Group, Faculty of Mathematics and Max F. Perutz Laboratories, University of Vienna, A-1090 Vienna, Austria.

The American Naturalist
|December 17, 2013
PubMed
Summary
This summary is machine-generated.

Evolutionary rescue, the adaptation of populations to environmental change, is complex. Factors like migration and competition can unexpectedly influence a population's survival, sometimes favoring harsher conditions.

More Related Videos

Daily Transfers, Archiving Populations, and Measuring Fitness in the Long-Term Evolution Experiment with Escherichia coli
15:00

Daily Transfers, Archiving Populations, and Measuring Fitness in the Long-Term Evolution Experiment with Escherichia coli

Published on: August 18, 2023

5.1K
Resurrection of Dormant Daphnia magna: Protocol and Applications
07:37

Resurrection of Dormant Daphnia magna: Protocol and Applications

Published on: January 19, 2018

21.5K

Related Experiment Videos

Last Updated: May 4, 2026

Following the Dynamics of Structural Variants in Experimentally Evolved Populations
04:52

Following the Dynamics of Structural Variants in Experimentally Evolved Populations

Published on: February 3, 2023

1.2K
Daily Transfers, Archiving Populations, and Measuring Fitness in the Long-Term Evolution Experiment with Escherichia coli
15:00

Daily Transfers, Archiving Populations, and Measuring Fitness in the Long-Term Evolution Experiment with Escherichia coli

Published on: August 18, 2023

5.1K
Resurrection of Dormant Daphnia magna: Protocol and Applications
07:37

Resurrection of Dormant Daphnia magna: Protocol and Applications

Published on: January 19, 2018

21.5K

Area of Science:

  • Ecology
  • Evolutionary Biology
  • Population Genetics

Background:

  • Environmental change poses a significant threat to species survival.
  • Population extinction can occur if adaptation does not keep pace with environmental degradation.

Purpose of the Study:

  • To analyze the probability of evolutionary rescue under progressing environmental change.
  • To investigate the influence of ecological factors on evolutionary rescue.
  • To determine the relative contributions of standing genetic variation and new mutations.

Main Methods:

  • Mathematical theory of time-inhomogeneous branching processes.
  • Generalized island model to describe population structure.
  • Computer simulations to complement theoretical analysis.

Main Results:

  • The probability of evolutionary rescue exhibits complex, nonmonotonic dependence on ecological factors.
  • Migration rates can have counterintuitive effects on rescue probability.
  • Harsher or more rapid environmental change can sometimes facilitate evolutionary rescue due to reduced competition.

Conclusions:

  • Ecological characteristics interact in complex ways to influence evolutionary rescue.
  • Understanding these dynamics is crucial for predicting species persistence in changing environments.
  • The interplay between environmental change, population structure, and genetic variation is key to evolutionary rescue.