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

Microbial Growth Measurement: Indirect Methods01:27

Microbial Growth Measurement: Indirect Methods

Estimating microbial growth is essential for understanding population dynamics and environmental adaptations. Indirect methods provide valuable insights by measuring parameters such as turbidity, metabolic activity, and biomass, enabling efficient and reproducible assessments.During exponential growth, microbial cells scatter light proportionally to their biomass, a principle used in turbidity measurements. About one million cells per milliliter produce detectable scattering, which a...
Microbes and Methanogenesis01:26

Microbes and Methanogenesis

Methanogenesis is a critical microbial process in anaerobic ecosystems responsible for the biological production of methane, a potent greenhouse gas and valuable biofuel. This metabolic pathway is primarily facilitated by methanogenic archaea, which thrive in anoxic environments such as wetlands, sediments, and animal gastrointestinal tracts. The absence of oxygen in these habitats prevents aerobic respiration, thereby favoring alternative biochemical pathways for organic matter degradation.In...
Microbial Growth Measurement: Direct Methods01:23

Microbial Growth Measurement: Direct Methods

Direct methods for measuring microbial populations in a culture are essential tools in microbiology, providing quantitative data for various applications. Among these, microscopic counts, plate counts, and serial dilution are widely used techniques, each with unique principles and applications.Microscopic CountsMicroscopic counting involves the use of a Petroff-Hausser chamber, a specialized microscope slide with a grid and defined depth. By observing a liquid culture under a microscope,...
Microbes and Climate Change01:27

Microbes and Climate Change

Microorganisms are pivotal agents in Earth's biogeochemical cycles, significantly influencing climate dynamics through their metabolic activities. These microbes modulate the levels of key greenhouse gases by both contributing to and helping mitigate climate change.Microbial Contributions to Greenhouse Gas EmissionsRising global temperatures accelerate microbial metabolism, which, in turn, speeds up the decomposition of organic matter. This process releases carbon dioxide (CO₂) through...

You might also read

Related Articles

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

Sort by
Same author

Micrometeorological Methods for Measuring Methane Emission Reduction at Beef Cattle Feedlots: Evaluation of 3-Nitrooxypropanol Feed Additive.

Journal of environmental quality·2019
Same author

Ammonia Emission from a Beef Cattle Feedlot and Its Local Dry Deposition and Re-Emission.

Journal of environmental quality·2016
Same author

Effects of sustained reduction of enteric methane emissions with dietary supplementation of 3-nitrooxypropanol on growth performance of growing and finishing beef cattle.

Journal of animal science·2016
Same author

Impact of ruminal pH on enteric methane emissions.

Journal of animal science·2015
Same author

Sustained reduction in methane production from long-term addition of 3-nitrooxypropanol to a beef cattle diet.

Journal of animal science·2015
Same author

Cattle methane emission and pasture carbon dioxide balance of a grazed grassland.

Journal of environmental quality·2015

Related Experiment Video

Updated: May 10, 2026

Measuring Dissolved Methane in Aquatic Ecosystems Using An Optical Spectroscopy Gas Analyzer
05:00

Measuring Dissolved Methane in Aquatic Ecosystems Using An Optical Spectroscopy Gas Analyzer

Published on: July 26, 2024

Developments in micrometeorological methods for methane measurements.

S M McGinn1

  • 1Agriculture and Agri-Food Canada, 5403 - 1 Avenue South, PO Box 3000, Lethbridge, Alberta, Canada. sean.mcginn@agr.gc.ca

Animal : an International Journal of Animal Bioscience
|June 7, 2013
PubMed
Summary
This summary is machine-generated.

Micrometeorological techniques offer non-intrusive ways to measure methane (CH4) emissions from livestock and manure. This review details four methods: integrated horizontal flux, flux gradient, eddy covariance, and backward Lagrangian stochastic dispersion modeling.

More Related Videos

Design and Use of a Full Flow Sampling System (FFS) for the Quantification of Methane Emissions
08:18

Design and Use of a Full Flow Sampling System (FFS) for the Quantification of Methane Emissions

Published on: June 12, 2016

Calibrated Passive Sampling - Multi-plot Field Measurements of NH3 Emissions with a Combination of Dynamic Tube Method and Passive Samplers
10:29

Calibrated Passive Sampling - Multi-plot Field Measurements of NH3 Emissions with a Combination of Dynamic Tube Method and Passive Samplers

Published on: March 21, 2016

Related Experiment Videos

Last Updated: May 10, 2026

Measuring Dissolved Methane in Aquatic Ecosystems Using An Optical Spectroscopy Gas Analyzer
05:00

Measuring Dissolved Methane in Aquatic Ecosystems Using An Optical Spectroscopy Gas Analyzer

Published on: July 26, 2024

Design and Use of a Full Flow Sampling System (FFS) for the Quantification of Methane Emissions
08:18

Design and Use of a Full Flow Sampling System (FFS) for the Quantification of Methane Emissions

Published on: June 12, 2016

Calibrated Passive Sampling - Multi-plot Field Measurements of NH3 Emissions with a Combination of Dynamic Tube Method and Passive Samplers
10:29

Calibrated Passive Sampling - Multi-plot Field Measurements of NH3 Emissions with a Combination of Dynamic Tube Method and Passive Samplers

Published on: March 21, 2016

Area of Science:

  • Agricultural Science
  • Environmental Science
  • Atmospheric Science

Background:

  • Methane (CH4) is a potent greenhouse gas, with livestock and manure being significant sources.
  • Accurate measurement of CH4 emissions is crucial for developing mitigation strategies in animal agriculture.
  • Non-intrusive measurement techniques are preferred to avoid influencing emission rates.

Purpose of the Study:

  • To review and compare four micrometeorological techniques for estimating CH4 emissions from ruminants and livestock manure.
  • To discuss the advantages and limitations of each technique.
  • To highlight recent advancements in measurement technology for CH4 emission estimation.

Main Methods:

  • Integrated Horizontal Flux (IHF)
  • Flux Gradient (FG)
  • Eddy Covariance (EC)
  • Backward Lagrangian Stochastic (BLS) dispersion modelling

Main Results:

  • All four micrometeorological techniques utilize CH4 concentration measurements within the surface boundary layer.
  • IHF may be theoretically simpler, but FG, EC, and BLS require high-resolution concentration measurements.
  • EC and BLS techniques necessitate wind statistics measurements.

Conclusions:

  • Micrometeorological techniques provide valuable non-intrusive methods for assessing livestock-related CH4 emissions.
  • The choice of technique depends on specific research needs, available equipment, and environmental conditions.
  • Continued technological advancements are improving the accuracy and applicability of these methods in animal agriculture.