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 Conservation Biology?01:57

What is Conservation Biology?

24.8K
Conservation biology is a scientific field that focuses on the preservation of biodiversity in order to protect ecosystems while meeting the needs of the human population. Humans require properly functioning ecosystems to maintain our supply of natural resources, including food, medicines, and building materials.
24.8K
Oxygenic Photosynthesis01:26

Oxygenic Photosynthesis

939
Oxygenic photosynthesis is a fundamental process in which light energy is harnessed to drive the oxidation of water, leading to the production of molecular oxygen (O₂), adenosine triphosphate (ATP), and nicotinamide adenine dinucleotide phosphate (NADPH). This process is essential for sustaining aerobic life on Earth and is primarily carried out by cyanobacteria, algae, and plants. The core of oxygenic photosynthesis lies in the thylakoid membranes, where chlorophyll pigments facilitate...
939
Conservation of Declining Populations02:07

Conservation of Declining Populations

13.6K
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.
13.6K
Trophic Efficiency00:46

Trophic Efficiency

25.7K
Trophic level transfer efficiency (TLTE) is a measure of the total energy transfer from one trophic level to the next. Due to extensive energy loss as metabolic heat, an average of only 10% of the original energy obtained is passed on to the next level. This pattern of energy loss severely limits the possible number of trophic levels in a food chain.
25.7K
Redox Reactions01:27

Redox Reactions

1.3K
Redox reactions are vital biochemical processes that underpin energy metabolism in cells. These reactions involve the transfer of electrons between molecules, occurring in tandem as oxidation and reduction. Oxidation refers to the loss of electrons, while reduction denotes their gain. This coupling ensures the seamless flow of electrons through metabolic pathways. For example, in bacterial metabolism, glucose undergoes oxidation to carbon dioxide, while oxygen is simultaneously reduced to...
1.3K
Ecological Disturbance02:26

Ecological Disturbance

21.4K
An ecological disturbance is a temporary disruption in the environment resulting from abiotic, biotic, or anthropogenic factors, causing a pronounced change in an ecosystem. The impact of an ecological disturbance, which can depend on its intensity, frequency, and spatial distribution, plays a significant role in shaping the species diversity within the ecosystem.
21.4K

You might also read

Related Articles

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

Sort by
Same author

Space-based monitoring of penguin diet links sea ice, food webs, and population change.

Current biology : CB·2026
Same author

Ready to go wild? Factors affecting the representation and contribution of veterinarians in a selection of wildlife-oriented research disciplines.

Research in veterinary science·2026
Same author

bla<sub>NDM-5</sub>-positive and mcr-9-carrying Escherichia coli lineages in wild Andean condors feeding at landfills in South America.

Veterinary microbiology·2026
Same author

Considering affective state as a central component of the response of animals to environmental changes.

Biology letters·2026
Same author

Sexual dimorphism does not translate into foraging or trophic niche partitioning in Peruvian boobies (Sula variegata).

PloS one·2025
Same author

Stomach content and stable isotope analysis of invasive lionfish (Pterois volitans) in the Florida Keys.

Journal of fish biology·2025

Related Experiment Video

Updated: Mar 19, 2026

Development of a Mobile Mitochondrial Physiology Laboratory for Measuring Mitochondrial Energetics in the Field
08:54

Development of a Mobile Mitochondrial Physiology Laboratory for Measuring Mitochondrial Energetics in the Field

Published on: August 27, 2021

1.8K

Integrating oxidative ecology into conservation physiology.

Michaël Beaulieu1, Anne-Mathilde Thierry2, Daniel González-Acuña3

  • 1Faculty of Biology, Department of Evolutionary Biology and Animal Ecology, University of Freiburg, Hauptstraße 1, 79104 Freiburg, Germany.

Conservation Physiology
|June 14, 2016
PubMed
Summary

Physiological markers like antioxidant defenses can indicate animal population health. In penguins, antioxidant defenses reflected population trends, suggesting their use in conservation physiology for monitoring species of concern.

Keywords:
Antarcticademographyoxidative balancepenguinspopulation declineseabirds

More Related Videos

Imaging Approaches to Assessments of Toxicological Oxidative Stress Using Genetically-encoded Fluorogenic Sensors
09:33

Imaging Approaches to Assessments of Toxicological Oxidative Stress Using Genetically-encoded Fluorogenic Sensors

Published on: February 7, 2018

7.9K
Author Spotlight: Extended Oxygen Consumption Measurement in Retinal Pigment Epithelium Using Resipher
08:09

Author Spotlight: Extended Oxygen Consumption Measurement in Retinal Pigment Epithelium Using Resipher

Published on: August 16, 2024

5.7K

Related Experiment Videos

Last Updated: Mar 19, 2026

Development of a Mobile Mitochondrial Physiology Laboratory for Measuring Mitochondrial Energetics in the Field
08:54

Development of a Mobile Mitochondrial Physiology Laboratory for Measuring Mitochondrial Energetics in the Field

Published on: August 27, 2021

1.8K
Imaging Approaches to Assessments of Toxicological Oxidative Stress Using Genetically-encoded Fluorogenic Sensors
09:33

Imaging Approaches to Assessments of Toxicological Oxidative Stress Using Genetically-encoded Fluorogenic Sensors

Published on: February 7, 2018

7.9K
Author Spotlight: Extended Oxygen Consumption Measurement in Retinal Pigment Epithelium Using Resipher
08:09

Author Spotlight: Extended Oxygen Consumption Measurement in Retinal Pigment Epithelium Using Resipher

Published on: August 16, 2024

5.7K

Area of Science:

  • * Conservation physiology
  • * Wildlife ecology
  • * Oxidative stress biomarkers

Background:

  • * Physiological markers are increasingly used to assess animal population health.
  • * Oxidative balance markers, including antioxidant defenses and oxidative damage, are valuable tools.
  • * Individual-level oxidative balance influences fertility, survival, recruitment, and demographic processes.

Purpose of the Study:

  • * To establish the connection between oxidative balance markers and demographic parameters in penguin populations.
  • * To investigate the potential of oxidative markers for monitoring population health in conservation efforts.
  • * To present preliminary findings on antioxidant defenses and oxidative damage in Gentoo and Adélie penguins.

Main Methods:

  • * Preliminary data collection from breeding colonies of Gentoo penguins (Pygoscelis papua) and Adélie penguins (Pygoscelis adeliae).
  • * Measurement of oxidative balance markers, specifically antioxidant defenses and oxidative damage.
  • * Analysis of the relationship between these markers and population trends.

Main Results:

  • * Antioxidant defenses in penguin colonies strongly reflected population trends.
  • * Oxidative damage levels were not found to be related to population trends.
  • * Preliminary results suggest antioxidant defenses are a key parameter for monitoring population health.

Conclusions:

  • * Antioxidant defenses show promise as a key physiological parameter for monitoring population health in conservation physiology.
  • * Oxidative damage may not be a reliable indicator of population trends in this context.
  • * Further research is needed to validate these findings across diverse species, especially those of conservation concern.