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

Derivatives: Problem Solving01:26

Derivatives: Problem Solving

Temperature-Dependent Growth of Brook TroutThe growth of brook trout is closely influenced by water temperature. Experimental data demonstrate how trout weight changes over a 24-day period in response to varying water temperatures. At lower temperatures, such as 15.5 degrees Celsius, brook trout show significant weight gain. However, as the temperature increases, the amount of weight gained steadily decreases. At the highest temperature measured, 24.4 degrees Celsius, trout experience a net...
Responses to Heat and Cold Stress02:45

Responses to Heat and Cold Stress

Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.
Competition02:34

Competition

When organisms require the same limited resources within an environment, they may have to compete for them. Competition is a net-negative interaction. Even if two competing individuals or populations do not interact directly, the overall fitness of both competitors is lowered as a result of not having full access to the limited resource.Intraspecific competition, which occurs between individuals of the same species, serves as a natural mechanism for regulating population size. Too much...
Background and Environment Affect Phenotype02:27

Background and Environment Affect Phenotype

Although the genetic makeup of an organism plays a major role in determining the phenotype, there are also several environmental factors, such as temperature, oxygen availability, presence of mutagens, that can alter an organism’s phenotype.
An example of how genetic background affects phenotype can be seen in horses. The Extension gene in horses is responsible for their coat color. A wild-type gene (EE) produces black pigment in the coat, while a mutant gene (ee) produces red pigment. A...
Global Climate Change01:50

Global Climate Change

Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
Speciation Rates01:07

Speciation Rates

Speciation can proceed at markedly different rates, and evolutionary biologists commonly describe these differences through the models of gradualism and punctuated equilibrium. Both patterns explain how new species arise, but they differ in the tempo and continuity of evolutionary change. In both cases, evolutionary change arises from heritable variation within populations, with natural selection often shaping traits that improve survival and reproduction under specific environmental conditions.

You might also read

Related Articles

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

Sort by
Same author

A global research coordination programme is urgently needed for biodiversity.

Nature ecology & evolution·2026
Same author

Landscape quality drives ecological responses to habitat loss and fragmentation.

Nature ecology & evolution·2026
Same author

Predictions From Evolutionary Theory for Urban Environments.

Evolutionary applications·2026
Same author

Evolving nature-based solutions for urban resilience.

Science (New York, N.Y.)·2026
Same author

Foliar pathogen epidemic slows decomposition of invasive plant litter.

Ecology·2026
Same author

Slow and fast dispersers competing in heterogeneous landscapes: a comparative study of modeling perspectives.

Journal of theoretical biology·2026

Related Experiment Video

Updated: Jun 3, 2026

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

Resurrection of Dormant Daphnia magna: Protocol and Applications

Published on: January 19, 2018

Heating up relations between cold fish: competition modifies responses to climate change.

Mark C Urban1, Robert D Holt, Sarah E Gilman

  • 1Department of Ecology and Evolutionary Biology, University of Connecticut, Storrs, CT, USA. mark.urban@uconn.edu

The Journal of Animal Ecology
|April 6, 2011
PubMed
Summary

Climate change predictions often overlook species interactions. Reduced ice cover may favor brown trout over Arctic charr, highlighting the critical role of interspecies competition in ecological responses.

More Related Videos

Impedance Pneumography for Minimally Invasive Measurement of Heart Rate in Late Stage Invertebrates
08:25

Impedance Pneumography for Minimally Invasive Measurement of Heart Rate in Late Stage Invertebrates

Published on: April 4, 2020

Field-Based Thermal Physiology Assay: Cold Shock Recovery under Ambient Conditions
07:54

Field-Based Thermal Physiology Assay: Cold Shock Recovery under Ambient Conditions

Published on: March 9, 2021

Related Experiment Videos

Last Updated: Jun 3, 2026

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

Resurrection of Dormant Daphnia magna: Protocol and Applications

Published on: January 19, 2018

Impedance Pneumography for Minimally Invasive Measurement of Heart Rate in Late Stage Invertebrates
08:25

Impedance Pneumography for Minimally Invasive Measurement of Heart Rate in Late Stage Invertebrates

Published on: April 4, 2020

Field-Based Thermal Physiology Assay: Cold Shock Recovery under Ambient Conditions
07:54

Field-Based Thermal Physiology Assay: Cold Shock Recovery under Ambient Conditions

Published on: March 9, 2021

Area of Science:

  • Ecology
  • Climate Change Biology
  • Aquatic Ecosystems

Background:

  • Ecological models often simplify species interactions, potentially misrepresenting climate change impacts.
  • Understanding interspecies competition is crucial for accurate ecological forecasting.
  • This study investigates the influence of ice cover on the competitive dynamics between brown trout and Arctic charr.

Discussion:

  • Ice cover significantly alters the competitive balance between brown trout (Salmo trutta) and Arctic charr (Salvelinus alpines).
  • Arctic charr exhibit superior growth in ice-covered, colder, darker conditions, outcompeting brown trout.
  • The absence of Arctic charr leads to higher brown trout biomass, demonstrating competitive exclusion.

Key Insights:

  • Increasing ice cover positively impacts Arctic charr, while decreasing ice cover may benefit brown trout.
  • Species interactions, specifically competition, can profoundly modify individual species' responses to environmental changes like warming winters.
  • The study validates the importance of incorporating interspecies dynamics into climate change impact assessments.

Outlook:

  • Future climate change scenarios with reduced ice cover may lead to shifts in the distribution and abundance of salmonid species.
  • Further research should explore how other environmental factors and species interactions mediate climate change effects in aquatic systems.
  • Conservation strategies must consider the complex interplay of species interactions and climate change for effective ecosystem management.