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All Scientists are Sceptics ~Professor Bob Carter

“It doesn’t matter how beautiful your theory is; it doesn’t matter how smart you are. If it doesn’t agree with experiment, it’s wrong.” – Richard Feynmann

Perhaps the most frustrating aspect of the science of climate change is the lack of any real substance in attempts to justify the hypothesis ~Professor Stewart Franks

A lie told often enough becomes the truth.
-- Vladimir Ilyich Lenin - See more at: http://thepeoplescube.com/lenin/lenin-s-own-20-monster-quotes-t185.html#sthash.aTrSI3tG.dpuf
A lie told often enough becomes the truth.
-- Vladimir Ilyich Lenin - See more at: http://thepeoplescube.com/lenin/lenin-s-own-20-monster-quotes-t185.html#sthash.aTrSI3tG.dpuf
A lie told often enough becomes the truth.
-- Vladimir Ilyich Lenin - See more at: http://thepeoplescube.com/lenin/lenin-s-own-20-monster-quotes-t185.html#sthash.aTrSI3tG.dpuf

Saturday, February 2, 2013

CO2 Fertilization improves plant productivity.

The Hockey Shtick reports of a new paper published by the European Geosciences Union's Biogeosciences.

Biogeosciences, 10, 339-355, 2013 www.biogeosciences.net/10/339/2013/ doi:10.5194/bg-10-339-2013
P. B. Holden, N. R. Edwards, D. Gerten and S. Schaphoff

New paper predicts CO2 fertilization will greatly improve plant productivity by 40-60%

A paper published today in Biogeosciences finds that the increase in CO2 levels since 1850 has greatly enhanced plant fertilization and that a doubling of CO2 levels would be predicted to increase plant productivity by 40 - 60%. The study derives "a probabilistic prediction for the globally averaged strength of CO2 fertilization in nature, for the period 1850 to 2000 AD, implicitly net of other limiting factors such as nutrient availability" and predicts, "the increase in gross primary productivity (GPP) in response to a doubling of CO2 from pre-industrial values is very likely (90% confidence) to exceed 20%, with a most likely value of 40–60%."

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