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

What is Evolutionary History?02:35

What is Evolutionary History?

40.6K
Scientists record evolutionary history by analyzing fossil, morphological, and genetic data. The fossil record documents the history of life on Earth and provides evidence for evolution. However, both fossil and living organisms offer evidence that outlines Earth’s evolutionary history.
40.6K
The Evidence for Evolution02:55

The Evidence for Evolution

44.7K
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.
44.7K
Convergent Evolution01:54

Convergent Evolution

29.2K
Evolution shapes the features of organisms over time, ensuring that they are suited for the environments in which they live. Sometimes, selection pressure leads to the rise of similar but unrelated adaptations in organisms with no recent common ancestors, a process known as convergent evolution.
29.2K
Eukaryotic Evolution01:24

Eukaryotic Evolution

37.3K
The endosymbiont theory is the most widely accepted theory of eukaryotic evolution; however, its progression is still somewhat debated. According to the nucleus-first hypothesis, the ancestral prokaryote first evolved a membrane to enclose DNA and form the nucleus. Conversely, the mitochondria-first hypothesis suggests that the nucleus was formed after endosymbiosis of mitochondria.
Contrary to the endosymbiont theory, the eukaryote-first hypothesis proposes that the simpler prokaryotic and...
37.3K
Fixed Action Patterns01:06

Fixed Action Patterns

16.6K
A fixed action pattern (FAP) is a specific, hard-wired sequence of behaviors that occurs in response to an external stimulus, called a sign stimulus. The behavior is “fixed” because it is essentially unchangeable—proceeding similarly across individuals of a species every time it occurs.
16.6K
Genetics of Speciation02:16

Genetics of Speciation

19.8K
Speciation is the evolutionary process resulting in the formation of new, distinct species—groups of reproductively isolated populations.
19.8K

You might also read

Related Articles

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

Sort by
Same author

Selection maintains diversity in a connected ocean.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same author

Species range shifts often speed ahead of their modeled climatic niches.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same author

Genetic Diversity Impacts Climate-Induced Species Range Shifts.

Ecology letters·2026
Same author

Effects of carbon dioxide accumulation on post-dive physiological recovery in odontocetes.

The Journal of experimental biology·2026
Same author

Linking Community-Climate Disequilibrium to Ecosystem Function.

Ecology letters·2026
Same author

Preservation of Genetic Diversity and Selection over a Century in a Coral Reef Fish (<i>Taeniamia zosterophora</i>) in the Philippines.

The American naturalist·2025

Related Experiment Video

Updated: Sep 26, 2025

Dissection and Flat-mounting of the Threespine Stickleback Branchial Skeleton
08:02

Dissection and Flat-mounting of the Threespine Stickleback Branchial Skeleton

Published on: May 7, 2016

10.0K

A long evolutionary reach for fishing nets.

Nina Overgaard Therkildsen1, Malin L Pinsky2

  • 1Department of Natural Resources and the Environment, Cornell University, Ithaca, NY, USA.

Science (New York, N.Y.)
|April 21, 2022
PubMed
Summary

Fisheries indirectly impact Atlantic salmon prey, leading to earlier maturation. This study reveals how fishing affects salmon life cycles through ecological interactions.

More Related Videos

Genome Editing in Astyanax mexicanus Using Transcription Activator-like Effector Nucleases TALENs
07:42

Genome Editing in Astyanax mexicanus Using Transcription Activator-like Effector Nucleases TALENs

Published on: June 20, 2016

8.4K
Microinjection for Transgenesis and Genome Editing in Threespine Sticklebacks
08:51

Microinjection for Transgenesis and Genome Editing in Threespine Sticklebacks

Published on: May 13, 2016

14.2K

Related Experiment Videos

Last Updated: Sep 26, 2025

Dissection and Flat-mounting of the Threespine Stickleback Branchial Skeleton
08:02

Dissection and Flat-mounting of the Threespine Stickleback Branchial Skeleton

Published on: May 7, 2016

10.0K
Genome Editing in Astyanax mexicanus Using Transcription Activator-like Effector Nucleases TALENs
07:42

Genome Editing in Astyanax mexicanus Using Transcription Activator-like Effector Nucleases TALENs

Published on: June 20, 2016

8.4K
Microinjection for Transgenesis and Genome Editing in Threespine Sticklebacks
08:51

Microinjection for Transgenesis and Genome Editing in Threespine Sticklebacks

Published on: May 13, 2016

14.2K

Area of Science:

  • Marine biology
  • Ecology
  • Fisheries science

Background:

  • Atlantic salmon (Salmo salar) exhibit significant life-history variation.
  • Maturation timing is a critical life-history trait influencing population dynamics.
  • Ecological interactions, including predator-prey dynamics, can shape life-history evolution.

Purpose of the Study:

  • To investigate the relationship between fisheries and Atlantic salmon maturation timing.
  • To determine if indirect effects mediated through prey availability influence salmon maturation.

Main Methods:

  • Analysis of long-term fisheries data and salmon maturation records.
  • Ecological modeling to simulate predator-prey interactions under different fishing scenarios.
  • Assessment of prey fish population dynamics in relation to fishing pressure.

Main Results:

  • A significant correlation was found between fishing intensity and earlier salmon maturation.
  • Reduced prey fish abundance, linked to fisheries, was associated with accelerated maturation in salmon.
  • Indirect effects of fisheries on prey populations were identified as a key driver.

Conclusions:

  • Fisheries exert indirect influence on Atlantic salmon maturation timing through alterations in prey availability.
  • Understanding these indirect ecological effects is crucial for effective fisheries management and salmon conservation.
  • The findings highlight the complex ecosystem-level impacts of fishing activities.