Full TGIF Record # 115482
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Web URL(s):http://www.jstor.org/stable/4493597?seq=1#page_scan_tab_contents
    Last checked: 11/16/2015
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Author(s):Kaye, Jason P.; Burke, Ingrid C.; Mosier, Arvin R.; Guerschman, Juan Pablo
Author Affiliation:Kaye: School of Life Sciences and Center for Environmental Studies, Arizona State University, Tempe, Arizona; Burke: Department of Forest, Rangeland, and Watershed Stewardship, Colorado State University, Fort Collins, Colorado; Mosier: Agricultural Research Service, United States Department of Agriculture, Fort Collins, Colorado; Guerschman: c盲tedra de Ecolog^Dia Facultad De Agronomdia, C^Datedra de Ecolog^Dia, IFEVA, Universidad de Buenos Aires Buenos Aires, Argentina
Title:Methane and nitrous oxide fluxes from urban soils to the atmosphere
Source:Ecological Applications: A publication of the Ecological Society of America. Vol. 14, No. 4, August 2004, p. 975-981.
Publishing Information:Washington, DC: Ecological Society of America
# of Pages:7
Keywords:TIC Keywords: Gases; Methane gas; Nitrous oxide; Ecosystems; Urban soils; Atmosphere; Land use; Gas exchange
Abstract/Contents:"Land-use change is an important driver of soil-atmosphere gas exchange, but current greenhouse-gas budgets lack data from urban lands. Field comparisons of urban and non-urban ecosystems are required to predict the consequences of global urban-land expansion for greenhouse-gas budgets. In a rapidly urbanizing region of the U.S. Great Plains, we measured soil-atmosphere exchange of methane (CH4) and nitrous oxide (N2O) for one year in replicated (n=3) urban lawn, native shortgrass steppe, dryland wheatfallow, and floodirrigated corn ecosystems. All soils were net sinks for atmospheric CH4, but uptake by urban, corn , and wheat-fallow soils was half that of native grasslands (-0.30卤 0.04 g C路m-2路yr-1 [mean 卤SE]). Urban (0.24卤 0.03 g N路m-2路yr-1) and corn (0.02 卤 0.02 g N路m-2路yr-1) soils emitted 10 times more N2O to the atmosphere than native grassland and wheat-fallow soils. Usings remotely sensed land-cover data we calculated an upper bound for the contribution of lawns wto tregional soil-atmosphere gas fluxes. Urban lawns occupied 6.4% of a 1578-km2 study region, but contribute up to 5% and 30% of the regional soil CH4 consumptioin and N2 emission, respectively, from land-use types that we sampled. Lawns that comver small protions of the landscape may contribute significantly to regional soil-atmosphere gas exchange."
Language:English
References:24
Note:Tables
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Kaye, J. P., I. C. Burke, A. R. Mosier, and J. P. Guerschman. 2004. Methane and nitrous oxide fluxes from urban soils to the atmosphere. Ecol. Appl. 14(4):p. 975-981.
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http://www.jstor.org/stable/4493597?seq=1#page_scan_tab_contents
    Last checked: 11/16/2015
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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