Show simple item record

dc.contributor.authorOates, L. G.
dc.contributor.authorJackson, R. D.
dc.date.accessioned2021-03-08T18:43:12Z
dc.date.available2021-03-08T18:43:12Z
dc.date.issued2014-01
dc.identifier.citationOates, L. G., & Jackson, R. D. (2014). Livestock management strategy affects net ecosystem carbon balance of subhumid pasture. Rangeland Ecology & Management, 67(1), 19–29.
dc.identifier.issn0022-409x
dc.identifier.doi10.2111/REM-D-12-00151.1
dc.identifier.urihttp://hdl.handle.net/10150/657032
dc.description.abstractTemperate grasslands are generally considered carbon (C) sinks, but climate and management likely affect whether they accumulate or lose C on an annual time step. The North Central Region of the United States contains highly productive improved pasture that is used exclusively for livestock grazing and mechanical harvest. The objective of this study was to use a net ecosystem carbon balance (NECB) approach to estimate C accumulation or loss in subhumid pastures under four typical livestock management practices: management-intensive rotational grazing (MIRG), continuous grazing (CONT), haymaking (HARV), and land set aside with no harvests (NONE). MIRG lost significantly less C in 2006 than all other treatments, and in 2007 MIRG was the only treatment that had a positive NECB. For 2006, our model resulted in an average change of-236 ± 15 (CONT),-100 ± 24 (MIRG),-391 ± 11 (HARV), and-276 ± 28 (NONE) g C · m-2 · y-1. For 2007, the change was-234 ± 56 (CONT), 106 ± 69 (MIRG),-200 ± 25 (HARV), and-171 ± 38 (NONE) g C · m-2 · y-1. Increased C fixed as net primary production (NPP) and C imported as hay and grain resulted in the MIRG treatment having the most favorable C balance. Even with imported hay and grain, reduced NPP in the CONT treatment led to a less favorable C balance. In the HARV treatment, high biomass removal drove the negative C balance, while the relationship between reduced NPP and heterotrophic respiration alone drove the negative C balance in the NONE treatment. Climate change mitigation services provided from ecosystem C accumulation relative to cultivation may be warranted for pastures, but when all cross-boundary transfers of C are not considered, significant misconceptions can occur regarding how different management strategies affect the NECB of subhumid pasture. © 2014 The Society for Range Management.
dc.language.isoen
dc.publisherSociety for Range Management
dc.relation.urlhttps://rangelands.org/
dc.rightsCopyright © Society for Range Management.
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/
dc.subjectimproved pasture
dc.subjectmanagement-intensive rotational grazing
dc.subjectnet ecosystem carbon balance
dc.subjectnet primary production
dc.subjectsoil respiration
dc.titleLivestock management strategy affects net ecosystem carbon balance of subhumid pasture
dc.typeArticle
dc.typetext
dc.identifier.journalRangeland Ecology & Management
dc.description.collectioninformationThe Rangeland Ecology & Management archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact lbry-journals@email.arizona.edu for further information.
dc.eprint.versionFinal published version
dc.source.journaltitleRangeland Ecology & Management
dc.source.volume67
dc.source.issue1
dc.source.beginpage19
dc.source.endpage29
refterms.dateFOA2021-03-08T18:43:12Z


Files in this item

Thumbnail
Name:
Livestock-Management-Strategy- ...
Size:
759.0Kb
Format:
PDF

This item appears in the following Collection(s)

Show simple item record