Role of Urban Greenery in CO2 Exchange Demonstrated

http://www.sciencedaily.com/releases/2012/06/120627092855.htm

Interesting excerpts: 

“For nine months out of the year, the suburban landscape was a source of CO2 to the atmosphere; but during the summer, the carbon uptake by vegetation was large enough to balance out fossil fuel emissions of carbon within the neighborhood. Compared to the natural landscape outside the city, the peak daily uptake of CO2 in the suburbs would have been at the low end uptake for a hardwood forest in the region.

“Lawns’ peak carbon uptake occurred in the spring and fall, because they are made up of cool-season grass species that are stressed by summer heat,” said Peters, “while trees had higher CO2 uptake throughout the summer.” Evergreen trees maintained their CO2 uptake for a longer period of time than deciduous trees because they keep their leaves year-round; deciduous trees lose their leaves in fall and winter.”

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One Response to Role of Urban Greenery in CO2 Exchange Demonstrated

  1. nycrootzone says:

    I am commenting on this post. Test test.

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