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Commentator

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Carbon Dioxide absorption

07/18/2008 1:44 AM

Does any body has data of Carbondioxide absorption potential of various plants?

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Guru

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#1

Re: Carbon Dioxide absorption

07/19/2008 9:44 AM

I have no data but I wouldn't put it past Kudzu as being up there. It seems to have taken over Georgia (USA).

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Guru
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#2
In reply to #1

Re: Carbon Dioxide absorption

07/19/2008 10:41 AM

Yeh. Dandelions might qualify too. Also, there are some very fast growing trees of the leucania variety that might qualify.

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Guru

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#3

Re: Carbon Dioxide absorption

07/19/2008 9:39 PM

Peat. (We call it sphagnum peat moss here in US. In Ireland they just call it peat)

It probably holds around 25% of sequestered carbon in terrestrial systems.

See this link: http://www.mcgill.ca/reporter/32/15/roulet/

Factual rather than politics in this report.

Forests here in the US are estimated to sequester about 13-14% of the carbondioxide released here anthropogenically:

Land use, land-use change, and forestry activities in 2004 resulted in a net carbon sequestration of 780.1 Tg CO2 Eq. (212.8 Tg C) (Table 7-1 and Table 7-2). This represents an offset of approximately 13 percent of total U.S. CO2 emissions. See page 2 of this document:

http://epa.gov/climatechange/emissions/downloads06/06LULUCF.pdf

While my recollection of my aquatic biology classes would urge me to nominate algae, I don't have any good data, and the mechanism for carbon sequestrtaion in the ocean is more complex than just biological uptake;possible negative effects of adding CO2 to the ocean include acidification, biological conversion to methane, changes in dominant organisms/ populations, changes carbonate balance and there are probably another thousand or so interactions I couldn't name but could probably find given time and a library rights.

milo

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Guru
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#4

Re: Carbon Dioxide absorption

07/21/2008 6:44 PM

I would suspect that fast-growing plants would sequester more carbon dioxide than slower-growing plants.

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Guru
Canada - Member - Our strength is our diversity

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#5

Re: Carbon Dioxide absorption

08/06/2008 11:50 AM

Generally it is variable and depends on the local growing conditions. Obviously what is required for Carbon sequestration is a large fast growing deciduous trees that live long in your local area.

There are many local studies on a few species. I have not found any compilation of all the studies but here is a local study that checked the local forests.

Here is a great article to help understand the complexities of the question

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