Talk:Greenhouse gas emissions from wetlands

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Wiki Education Foundation-supported course assignment

This article is or was the subject of a Wiki Education Foundation-supported course assignment. Further details are available on the course page. Student editor(s): Rickyx11.

Above undated message substituted from Template:Dashboard.wikiedu.org assignment by PrimeBOT (talk) 04:51, 18 January 2022 (UTC)[reply]

Rickyx11 edits

FINAL Edits- "Wetland methane emissions"

Contributing around 164 Tg of methane to atmospheric methane annually alone; wetlands are the biggest contributing factor of atmospheric methane in the world, wetlands remain a major area of concern with respect to climate change.^[1]^[2] 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. This high level of water saturation as well as warm weather is the cause of the high levels of methane production.

Most methanogenesis, or methane production, occurs in oxygen-poor environments. 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. 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 rich soil would allow for more efficient methanogenesis. ^[3]

Fermentation is a process used by certain kinds of microorganisms to break down essential nutrients. In a process called acetoclastic methanogenesis, microorganisms from the classification domain archaea produce methane by fermenting acetate and H₂-CO₂ into methane and carbon dioxide.

H₃C-COOH → CH₄ + CO₂

Depending on the wetland and type of archaea, hydrogenotrophic methanogenesis, another process that yields methane, can also occur. This process occurs as a result of archaea oxidizing hydrogen with carbon dioxide to yield methane and water.

4H₂ + CO₂ → CH₄ + 2H₂O

Rickyx11 Rickyx11 (talk) 08:36, 20 November 2017 (UTC)[reply]

References

^ Houghton, J. T., et al. (Eds.) (2001) Projections of future climate change, Climate Change 2001: The Scientific Basis, Contribution of Working Group I to the Third Assessment Report of the Intergovernmental Panel on Climate Change, 881 pp.
^ Bridgham, S. D., Cadillo-Quiroz, H., Keller, J. K. and Zhuang, Q. (2013), Methane emissions from wetlands: biogeochemical, microbial, and modeling perspectives from local to global scales. Glob Change Biol, 19: 1325–1346. doi:10.1111/gcb.12131
^ Christensen, T. R., A. Ekberg, L. Strom, M. Mastepanov, N. Panikov, M. Oquist, B. H. Svenson, H. Nykanen, P. J. Martikainen, and H. Oskarsson (2003), Factors controlling large scale variations in methane emissions from wetlands, Geophys. Res. Lett., 30, 1414, doi:10.1029/2002GL016848.

I am wondering if you have any statistics, figures, or anecdotes in relation to the human development of wetlands section. I think the addition of more facts and numbers would strongly support your statements and provide a greater perspective on the extent of human impact. Legare.katie (talk) 03:08, 1 February 2020 (UTC)[reply]

Rename to "Wetland greenhouse gas emissions"?

I think this should be renamed to Wetland greenhouse gas emissions, as it's not just methane coming from wetlands but also CO2 and N2O (from degraded wetlands). I am currently reworking the section on climate change aspects in the wetland article as well as the section on "wetland restoration" in the climate change mitigation article. The topic is also included in carbon sequestration and biosequestration. Needs tidying up to reduce overlap/repetition, also needs updating with latest info from IPCC AR 6 report. Pinging User:Epipelagic and User:ASRASR. - Or perhaps this article should be merged back into wetland? EMsmile (talk) 19:42, 6 December 2022 (UTC)[reply]

Or perhaps better Greenhouse gas emissions from wetlands as a new title. We also have greenhouse gas emissions from agriculture, and a few others that start with "Greenhouse gas emissions from..." (for comparison). EMsmile (talk) 21:59, 7 December 2022 (UTC)[reply]

Pinging also User:Jarble. EMsmile (talk) 22:00, 7 December 2022 (UTC)[reply]

Yes, I think "greenhouse gas emissions from wetlands" is a better title. Jarble (talk) 22:30, 7 December 2022 (UTC)[reply]

OK, I've now requested a speedy deletion of the existing Greenhouse gas emissions from wetlands (which is just a redirect) to make way for moving this article to Greenhouse gas emissions from wetlands. EMsmile (talk) 11:33, 8 December 2022 (UTC)[reply]

I see the name change has already been completed now, thank you User:Primefac!EMsmile (talk) 16:58, 8 December 2022 (UTC)[reply]

[1] Houghton, J. T., et al. (Eds.) (2001) Projections of future climate change, Climate Change 2001: The Scientific Basis, Contribution of Working Group I to the Third Assessment Report of the Intergovernmental Panel on Climate Change, 881 pp.

[2] Bridgham, S. D., Cadillo-Quiroz, H., Keller, J. K. and Zhuang, Q. (2013), Methane emissions from wetlands: biogeochemical, microbial, and modeling perspectives from local to global scales. Glob Change Biol, 19: 1325–1346. doi:10.1111/gcb.12131

[3] Christensen, T. R., A. Ekberg, L. Strom, M. Mastepanov, N. Panikov, M. Oquist, B. H. Svenson, H. Nykanen, P. J. Martikainen, and H. Oskarsson (2003), Factors controlling large scale variations in methane emissions from wetlands, Geophys. Res. Lett., 30, 1414, doi:10.1029/2002GL016848.

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