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Carbon storage and sequestration by trees in urban and community areas of the United StatesAuthor(s): David J. Nowak; Eric J. Greenfield; Robert E. Hoehn; Elizabeth Lapoint
Source: Environmental Pollution. 178: 229-236.
Publication Series: Scientific Journal (JRNL)
Station: Northern Research Station
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Carbon Sequestration by Urban Trees Valued in the Billions of Dollars Annually
DescriptionCarbon storage and sequestration by urban trees in the United States was quantified to assess the magnitude and role of urban forests in relation to climate change. Urban tree field data from 28 cities and 6 states were used to determine the average carbon density per unit of tree cover. These data were applied to statewide urban tree cover measurements to determine total urban forest carbon storage and annual sequestration by state and nationally. Urban whole tree carbon storage densities average 7.69 kg C m−2 of tree cover and sequestration densities average 0.28 kg C m−2 of tree cover per year. Total tree carbon storage in U.S. urban areas (c. 2005) is estimated at 643 million tonnes ($50.5 billion value; 95% CI = 597 million and 690 million tonnes) and annual sequestration is estimated at 25.6 million tonnes ($2.0 billion value; 95% CI = 23.7 million to 27.4 million tonnes)
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CitationNowak, David J.; Greenfield, Eric J.; Hoehn, Robert E.; Lapoint, Elizabeth. 2013. Carbon storage and sequestration by trees in urban and community areas of the United States. Environmental Pollution. 178: 229-236.
KeywordsEcosystem services, Global climate change, Urban forestry, Tree cover, Forest inventory
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