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 Variation?01:14

What is Variation?

17.6K
Apart from the measures of central tendency, distribution, outliers, and the changing characteristics of data with time, an important characteristic of any data set is its variation or spread. In some data sets, the data values are concentrated closely near the mean; in others, the data values are more widely spread out from the mean.
The range, standard deviation, standard error, and variance are the different measures of variation.
Range: The range is the difference between its maximum and...
17.6K
Variation01:19

Variation

7.8K
An important characteristic of any set of data is the variation in the data. In some data sets, the data values are concentrated closely near the mean; in other data sets, the data values are more widely spread out from the mean. The most common measure of variation, or spread, is the standard deviation, which is the square root of variance.
When independent and dependent variables are plotted on a scatter plot, the slope of a line is a value that describes the rate of change between the two...
7.8K
Conservative Site-specific Recombination and Phase Variation02:53

Conservative Site-specific Recombination and Phase Variation

6.7K
Because the DNA segments are cut and reorganized in a direction-specific manner, site-specific recombination has emerged as an efficient genetic engineering technique. Flippase and Cyclization recombinases or Flp and Cre, respectively, are two members of the tyrosine recombinase family derived from bacteriophages, that are used to mediate site-specific DNA insertions, deletions, and targeted expression of proteins in mammalian cell lines.
The recognition sites for Cre recombinase called LoxP...
6.7K
Variation of Atmospheric Pressure01:18

Variation of Atmospheric Pressure

4.1K
Change in atmospheric pressure with height is particularly interesting. The decrease in atmospheric pressure with increasing altitude is due to the decreasing gravitational force per unit area as we move away from the surface of the earth.
Assuming the air temperature is constant at a given altitude and that the ideal gas law of thermodynamics describes the atmosphere to a good approximation, one can find the variation of atmospheric pressure with height.
Let p(y) be the atmospheric pressure at...
4.1K
Comparing Copy Number Variations and SNPs02:26

Comparing Copy Number Variations and SNPs

18.6K
Sequencing of the human genome has opened up several best-kept secrets of the genome. Scientists have identified thousands of genome variations that exist within a population. These variations can be a single nucleotide or a larger chromosomal variation.
Copy number variations or CNVs are the structural variations that cover more than 1kb of DNA sequence. The single nucleotide polymorphism (SNP), on the other hand, is a single nucleotide change or a point mutation that is found in more than 1%...
18.6K
Coefficient of Variation01:10

Coefficient of Variation

8.3K
The coefficient of variation measures the dispersion of the data points or distribution around the mean. Using the coefficient of variation, we can compare two data series with drastically different means or different units of measurement. The coefficient of variation for a sample and a population is expressed as a percentage of the ratio of standard deviation to the mean.
The coefficient of variation is a practical statistical tool in finance. It allows investors to assess the volatility or...
8.3K

You might also read

Related Articles

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

Sort by
Same author

Biomagnification of Mercury in Wolves and Their Prey in the Northwest Territories, Canada.

Environmental toxicology and chemistry·2026
Same author

Correction: Erysipelothrix rhusiopathiae clone reemergence in association with a multi-year mass mortality event in high Arctic muskoxen (Ovibos moschatus).

Scientific reports·2026
Same author

Seasonal shifts in muskox metabolic rates and energy expenditure are primarily governed by ambient temperature.

Proceedings. Biological sciences·2026
Same author

From the field: a case of zoonotic transmission of <i>Giardia duodenalis</i> from wild reindeer?

Epidemiology and infection·2026
Same author

Damages on arctic seabird feathers: Exposure to low sulphur fuel oils is comparable to exposure to conventional oil.

Marine pollution bulletin·2026
Same author

Combining space use with diet data to investigate foraging tactics of black bears in response to the pulsed availability of migratory caribou calves.

PloS one·2026
Same journal

Meadows, memories, and missing layers: Transdisciplinary seagrass mapping towards restorative marine spatial planning.

Ambio·2026
Same journal

Brazil's science-policy effort to monitor native vegetation restoration.

Ambio·2026
Same journal

Greening the military: A systematic review of sustainability implementation and strategic implications.

Ambio·2026
Same journal

Stratigraphic evidence of organic carbon depletion in an intensely trawled muddy seabed.

Ambio·2026
Same journal

Subjective energy poverty and attitudes on climate change mitigation measures: Empirical and ethical considerations.

Ambio·2026
Same journal

Publisher Correction: Key underwater habitat types of the northern Baltic Sea: An assessment of biodiversity and ecosystem functions.

Ambio·2026
See all related articles

Related Experiment Video

Updated: Jan 23, 2026

Using the Threat Probability Task to Assess Anxiety and Fear During Uncertain and Certain Threat
11:18

Using the Threat Probability Task to Assess Anxiety and Fear During Uncertain and Certain Threat

Published on: September 12, 2014

15.7K

Muskox status, recent variation, and uncertain future.

Christine Cuyler1, Janice Rowell2, Jan Adamczewski3

  • 1Greenland Institute of Natural Resources, PO Box 570, 3900, Nuuk, Greenland. chris.cuyler@natur.gl.

Ambio
|June 13, 2019
PubMed
Summary
This summary is machine-generated.

Arctic muskoxen (Ovibos moschatus) face an uncertain future due to low genetic diversity and environmental changes. Monitoring efforts must be enhanced to understand population dynamics and ensure species survival.

Keywords:
AbundanceCircumpolarDriversOvibosPopulation statusTrends

More Related Videos

Using Generative Art to Convey Past and Future Climate Transitions
06:10

Using Generative Art to Convey Past and Future Climate Transitions

Published on: March 31, 2023

1.4K
New Variations for Strategy Set-shifting in the Rat
09:45

New Variations for Strategy Set-shifting in the Rat

Published on: January 23, 2017

8.6K

Related Experiment Videos

Last Updated: Jan 23, 2026

Using the Threat Probability Task to Assess Anxiety and Fear During Uncertain and Certain Threat
11:18

Using the Threat Probability Task to Assess Anxiety and Fear During Uncertain and Certain Threat

Published on: September 12, 2014

15.7K
Using Generative Art to Convey Past and Future Climate Transitions
06:10

Using Generative Art to Convey Past and Future Climate Transitions

Published on: March 31, 2023

1.4K
New Variations for Strategy Set-shifting in the Rat
09:45

New Variations for Strategy Set-shifting in the Rat

Published on: January 23, 2017

8.6K

Area of Science:

  • Arctic Ecology
  • Wildlife Conservation
  • Population Genetics

Background:

  • Muskoxen are key Arctic species with limited genetic diversity.
  • Their adaptability to rapid environmental change is not well understood.
  • Current monitoring methods have limitations in assessing population health.

Purpose of the Study:

  • To assess the circumpolar status of muskox populations.
  • To identify drivers of population change and their impacts.
  • To recommend improvements for monitoring and conservation strategies.

Main Methods:

  • Circumpolar review of muskox population status and recent variations.
  • Analysis of 55 endemic and translocated populations.
  • Synthesis of data on climate, disease, and anthropogenic impacts.

Main Results:

  • Global muskox abundance is approximately 170,000 individuals.
  • Six populations are in decline, including a formerly dominant one.
  • Climate, disease, and human activities are primary drivers of population changes.

Conclusions:

  • Harmonizing data and intensifying long-term monitoring are crucial.
  • Standardized protocols and stakeholder engagement are needed for effective conservation.
  • Muskoxen populations face complex, interacting stressors requiring adaptive management.