Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/15858
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dc.contributor.authorMascaro, Josephen_UK
dc.contributor.authorAsner, Gregory Pen_UK
dc.contributor.authorDent, Daisyen_UK
dc.contributor.authorDeWalt, Saara Jen_UK
dc.contributor.authorDenslow, Julie Sen_UK
dc.date.accessioned2013-07-29T23:12:35Z-
dc.date.available2013-07-29T23:12:35Zen_UK
dc.date.issued2012-07-15en_UK
dc.identifier.urihttp://hdl.handle.net/1893/15858-
dc.description.abstractAccumulation of aboveground carbon is one of the most important services provided by tropical secondary forests-a land-cover type that is increasing in importance globally. Carbon accumulates rapidly for the first 20 years of succession, but few studies have considered forests older than 20 years, and the available data do not yield a consistent pattern. Two alternative hypotheses have been proposed: (1) an asymptotic increase, with the highest carbon stocks occurring in the oldest stands, and (2) an intermediate peak, caused by roughly synchronous tree maturity (and thus high carbon stocks) after which time treefall gaps cause carbon stocks to regress. Here we revisited a well-studied tropical moist forest chronosequence in Barro Colorado Nature Monument, Central Panama, consisting of 35, 55, 85, and 115-year-old stands, as well as old-growth stands, to determine whether past evidence for the intermediate peak hypothesis was influenced by the spatial limitations of the field plots used to assess forest structure. We used airborne LiDAR (light detection and ranging) to measure carbon stocks at the scale of the original transects (0.16 ha), in surrounding forest of the same age (up to 20 ha), and at a landscape scale incorporating thousands of hectares not previously measured. We also compared forest structure as measured in three dimensions by LiDAR, considering vertical and horizontal variation in canopy organization, as well as the abundance of treefall gaps. Our results suggested a strong scale-dependence of aboveground carbon accumulation, supporting the intermediate peak hypothesis at the fine scale of the 0.16-ha transects, but an asymptotic model at the landscape scale incorporating thousands of hectares. Further analyses of forest structure suggest that both the limitations of small plots and intrinsic scaling of forest structure and carbon dynamics account for the scale-dependence of aboveground carbon accumulation in this secondary forest matrix.en_UK
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.relationMascaro J, Asner GP, Dent D, DeWalt SJ & Denslow JS (2012) Scale-dependence of aboveground carbon accumulation in secondary forests of Panama: A test of the intermediate peak hypothesis. Forest Ecology and Management, 276, pp. 62-70. https://doi.org/10.1016/j.foreco.2012.03.032en_UK
dc.rightsThe publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study.en_UK
dc.rights.urihttp://www.rioxx.net/licenses/under-embargo-all-rights-reserveden_UK
dc.subjectCarbon storageen_UK
dc.subjectCarnegie Airborne Observatoryen_UK
dc.subjectForest structureen_UK
dc.subjectLiDARen_UK
dc.subjectTreefall gapsen_UK
dc.subjectTropical secondary forestsen_UK
dc.subjectAtmospheric carbon dioxide Environmental aspectsen_UK
dc.subjectTrees Effect of atmospheric carbon dioxide onen_UK
dc.titleScale-dependence of aboveground carbon accumulation in secondary forests of Panama: A test of the intermediate peak hypothesisen_UK
dc.typeJournal Articleen_UK
dc.rights.embargodate2999-12-16en_UK
dc.rights.embargoreason[Scale-dependence of aboveground carbon accumulation in secondary forests of Panama.pdf] The publisher does not allow this work to be made publicly available in this Repository therefore there is an embargo on the full text of the work.en_UK
dc.identifier.doi10.1016/j.foreco.2012.03.032en_UK
dc.citation.jtitleForest Ecology and Managementen_UK
dc.citation.issn0378-1127en_UK
dc.citation.volume276en_UK
dc.citation.spage62en_UK
dc.citation.epage70en_UK
dc.citation.publicationstatusPublisheden_UK
dc.citation.peerreviewedRefereeden_UK
dc.type.statusVoR - Version of Recorden_UK
dc.author.emaild.h.dent@stir.ac.uken_UK
dc.contributor.affiliationCarnegie Institution for Scienceen_UK
dc.contributor.affiliationCarnegie Institution for Scienceen_UK
dc.contributor.affiliationBiological and Environmental Sciencesen_UK
dc.contributor.affiliationClemson Universityen_UK
dc.contributor.affiliationTulane Universityen_UK
dc.identifier.isiWOS:000305719800007en_UK
dc.identifier.scopusid2-s2.0-84859930159en_UK
dc.identifier.wtid691444en_UK
dc.contributor.orcid0000-0002-1219-7344en_UK
dcterms.dateAccepted2012-07-15en_UK
dc.date.filedepositdate2013-07-11en_UK
rioxxterms.typeJournal Article/Reviewen_UK
rioxxterms.versionVoRen_UK
local.rioxx.authorMascaro, Joseph|en_UK
local.rioxx.authorAsner, Gregory P|en_UK
local.rioxx.authorDent, Daisy|0000-0002-1219-7344en_UK
local.rioxx.authorDeWalt, Saara J|en_UK
local.rioxx.authorDenslow, Julie S|en_UK
local.rioxx.projectInternal Project|University of Stirling|https://isni.org/isni/0000000122484331en_UK
local.rioxx.freetoreaddate2999-12-16en_UK
local.rioxx.licencehttp://www.rioxx.net/licenses/under-embargo-all-rights-reserved||en_UK
local.rioxx.filenameScale-dependence of aboveground carbon accumulation in secondary forests of Panama.pdfen_UK
local.rioxx.filecount1en_UK
local.rioxx.source0378-1127en_UK
Appears in Collections:Biological and Environmental Sciences Journal Articles

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