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Grazing effects on belowground C and N stocks along a network of cattle exclosures in temperate and subtropical grasslands of South America

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dc.contributor.author Piñeiro, Gervasio
dc.contributor.author Paruelo, José M.
dc.contributor.author Jobbágy, Esteban G.
dc.contributor.author Jackson, Robert B.
dc.contributor.author Oesterheld, Martin
dc.date.accessioned 2011-10-31T22:58:21Z
dc.date.available 2011-10-31T22:58:21Z
dc.date.issued 2009
dc.identifier.issn 0886-6236
dc.identifier.uri http://hdl.handle.net/10625/47405
dc.description.abstract The study evaluates changes promoted by livestock removal across temperate and subtropical grasslands for amounts and vertical distribution of organic carbon (C) and nitrogen (N) contents in different belowground pools; and for soil bulk density, as affected by trampling. Also evaluated was the association of these changes with climate and soil properties in general. Total soil organic matter (SOM) stocks were significantly higher in ungrazed than in grazed stands of upland soils, and lower in shallow and lowland soils. Surprisingly, differences were largely associated with changes in mineral associated organic matter (MAOM) rather than particulate organic matter (POM) pools. en
dc.language.iso en
dc.publisher American Geophysical Union en
dc.relation.ispartof Global biogeochemical cycles, v. 23, GB2003, 2009 en
dc.subject AGRICULTURE en
dc.subject SOIL SCIENCES en
dc.subject GRASSLANDS en
dc.subject ARGENTINA en
dc.subject URUGUAY en
dc.subject GRAZING en
dc.subject AGROCHEMICALS en
dc.subject SOIL ORGANIC MATTER en
dc.subject RANGE MANAGEMENT en
dc.title Grazing effects on belowground C and N stocks along a network of cattle exclosures in temperate and subtropical grasslands of South America en
dc.type Journal Article (peer-reviewed) en
idrc.project.number 104783
idrc.project.title Land Use, Biofuels and Rural Development in the La Plata Basin (Latin America) en
idrc.dspace.access IDRC Only en
idrc.rims.adhocgroup IDRC SUPPORTED en


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