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Glossary of Terms: P - Physical Geography

Methanotrophic symbionts provide carbon for photosynthesis in peat bogs DSpace/Manakin Repository

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Large part of the plant biomass produced by wet environment adapted peat swamp forest vegetation, especially litter from tree roots, becomes soon allocated to largely water saturated (or during wet season flooded peat) in which condition the organic matter decay is slower. This creates potential for dead organic matter accumulation i.e. peat formation from decaying debris. Because the balance between the amount carbon allocated from the atmosphere into vegetation (in photosynthesis) and stored in peat in form of decaying litter exceeds the amount of carbon released back to the atmosphere as (as CO2 or CH4 (or non-carbon N2O)) by vegetation respiration and by in the forest floor – the ecosystem accumulates carbon. The main peat carbon dynamics involved processes are presented on the page ‘‘. This carbon net sequestering action reduces the amount of carbon in the atmosphere (and thus works for weakening the greenhouse effect). Due to massive labile carbon deposits formed into peat over several millennium, tropical peatlands have a marked role in the atmospheric carbon composition regulation.

Peat contains energy that the plants it contains created using photosynthesis

We investigated vegetation and ecosystem CO2 exchange at Mer Bleue Bog, Canada that has been fertilized with nitrogen, phosphorus and potassium or with nitrogen only for 7−12 years. Gross photosynthesis, ecosystem respiration and net CO2 exchange were measured weekly during May−September 2011 using chambers and the seasonal CO2 balance reconstructed using environmental time series. The highest nutrient additions were associated with 40% less net CO2 uptake than in the control. A weaker C sink potential could be explained by changes in availability of nutrients limiting plant and microbial growth, a shift in biomass allocation to woody tissues, loss of Sphagnum moss and peat decomposability.

PEAT | Deep Learning AgTech Startup

25/08/2005 · From the following article: Methanotrophic symbionts provide carbon for photosynthesis in peat bogs

One of the tasks I'd like to accomplish while we're here is to probe the peat in the bog and have a look at what it's made of, and so to do that I'm going to walk along the edge of the bog-- in the background you can see where I'm going to go-- and I'm going to get my soil auger so I have a way to probe and sample the peat. Recall that plants use water, atmospheric carbon dioxide, and energy from the sun to build their organic framework through photosynthesis.

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