Wetland methane emissions

wetlandswetlands are a significant source of methane emissions
Contributing approximately 167 Tg of methane to the atmosphere per year ; wetlands are the largest natural source of atmospheric methane in the world, and therefore remain a major area of concern with respect to climate change.wikipedia
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Methane emissions

methanelargest natural sourcemethane pollution
Contributing approximately 167 Tg of methane to the atmosphere per year ; wetlands are the largest natural source of atmospheric methane in the world, and therefore remain a major area of concern with respect to climate change.

Wetland

wetlandscoastal wetlandwetland habitat
Contributing approximately 167 Tg of methane to the atmosphere per year ; wetlands are the largest natural source of atmospheric methane in the world, and therefore remain a major area of concern with respect to climate change.
However, depending on their characteristics, some wetlands are a significant source of methane emissions and some are also emitters of nitrous oxide which is a greenhouse gas with a global warming potential 300 times that of carbon dioxide and is the dominant ozone-depleting substance emitted in the 21st century.

Methane

methane gasCH 4 liquid methane
Contributing approximately 167 Tg of methane to the atmosphere per year ; wetlands are the largest natural source of atmospheric methane in the world, and therefore remain a major area of concern with respect to climate change.

Atmosphere

atmosphericatmospheresplanetary atmospheres
Contributing approximately 167 Tg of methane to the atmosphere per year ; wetlands are the largest natural source of atmospheric methane in the world, and therefore remain a major area of concern with respect to climate change.

Global warming

climate changeglobal climate changeanthropogenic climate change
Contributing approximately 167 Tg of methane to the atmosphere per year ; wetlands are the largest natural source of atmospheric methane in the world, and therefore remain a major area of concern with respect to climate change.

Waterlogging (agriculture)

waterloggingwaterloggedwater logging
Wetlands are characterized by water-logged soils and distinctive communities of plant and animal species that have evolved and adapted to the constant presence of water.

Soil

soilsdirtsoil moisture
Wetlands are characterized by water-logged soils and distinctive communities of plant and animal species that have evolved and adapted to the constant presence of water.

Plant

Plantaeplantsflora
Wetlands are characterized by water-logged soils and distinctive communities of plant and animal species that have evolved and adapted to the constant presence of water.

Animal

Animaliaanimalsmetazoa
Wetlands are characterized by water-logged soils and distinctive communities of plant and animal species that have evolved and adapted to the constant presence of water.

Species

specificspecific epithetspecific name
Wetlands are characterized by water-logged soils and distinctive communities of plant and animal species that have evolved and adapted to the constant presence of water.

Evolution

evolvedtheory of evolutionevolutionary
Wetlands are characterized by water-logged soils and distinctive communities of plant and animal species that have evolved and adapted to the constant presence of water.

Adaptation

adaptedadaptationsadaptive
Wetlands are characterized by water-logged soils and distinctive communities of plant and animal species that have evolved and adapted to the constant presence of water.

Water

H 2 OHOliquid water
Wetlands are characterized by water-logged soils and distinctive communities of plant and animal species that have evolved and adapted to the constant presence of water.

Hypoxia (environmental)

hypoxiaanaerobicanoxic
Most methanogenesis, or methane production, occurs in oxygen-poor environments.

Diffusion

diffusediffusesdiffusive
Because the microbes that live in warm, moist environments consume oxygen more rapidly than it can diffuse in from the atmosphere, wetlands are the ideal anaerobic environments for fermentation as well as methanogen activity.

Fermentation

fermentedfermentfermenting
Because the microbes that live in warm, moist environments consume oxygen more rapidly than it can diffuse in from the atmosphere, wetlands are the ideal anaerobic environments for fermentation as well as methanogen activity.

Methanogen

methanogensmethane-producing microbesmethanogenic bacteria
Because the microbes that live in warm, moist environments consume oxygen more rapidly than it can diffuse in from the atmosphere, wetlands are the ideal anaerobic environments for fermentation as well as methanogen activity.

Oxygen

OO 2 molecular oxygen
However, levels of methanogenesis can fluctuate as it is dependent on the availability of oxygen, temperature of the soil, and the composition of the soil; a warmer, more anaerobic environment with soil rich in organic matter would allow for more efficient methanogenesis.

Microorganism

microorganismsmicrobemicrobes
Because the microbes that live in warm, moist environments consume oxygen more rapidly than it can diffuse in from the atmosphere, wetlands are the ideal anaerobic environments for fermentation as well as methanogen activity. Fermentation is a process used by certain kinds of microorganisms to break down essential nutrients.

Nutrient

nutrientsessential nutrientmacronutrient
Fermentation is a process used by certain kinds of microorganisms to break down essential nutrients.

Domain (biology)

domaindomainsdomains of life
In a process called acetoclastic methanogenesis, microorganisms from the classification domain archaea produce methane by fermenting acetate and H 2 -CO 2 into methane and carbon dioxide.

Archaea

archaeonarcheaarchaebacteria
In a process called acetoclastic methanogenesis, microorganisms from the classification domain archaea produce methane by fermenting acetate and H 2 -CO 2 into methane and carbon dioxide.

Carbon dioxide

CO 2 CO2carbon dioxide (CO 2 )
In a process called acetoclastic methanogenesis, microorganisms from the classification domain archaea produce methane by fermenting acetate and H 2 -CO 2 into methane and carbon dioxide.

Hydrogenotroph

hydrogenotrophic
Depending on the wetland and type of archaea, hydrogenotrophic methanogenesis, another process that yields methane, can also occur.

Marsh

marshlandmarshesmarshlands
To list a few, marshes, swamps, bogs, fens, peatlands, muskegs, prairie pothole (landform), and pocosins are all examples of different kinds of wetlands.