Biomass distributions in dwarf tree, krummholz, and tundra vegetation in the alpine treeline ecotone

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dc.contributor.authorGrafius, Darren R.
dc.contributor.authorMalanson, George
dc.date.accessioned2016-09-23T15:20:11Z
dc.date.available2016-09-23T15:20:11Z
dc.date.issued2015-06-09
dc.description.abstractAlpine treeline ecotones are expected to respond to climate change with shifts in biomass patterns and carbon dynamics; however, the nature of these shifts and the current structure of carbon storage at treeline remain poorly understood. Biomass at treeline sites in Glacier National Park (GNP), Montana was measured in different aboveground carbon pools. Notably large proportions of biomass were recorded in compartments of dead material (~64% in upright tree cover, ~82% in krummholz). The storage of proportionally so much carbon in dead material complicates predictions of alpine treeline response to climate change, given the expectation of increased respiration losses through decomposition in a warmer climate. Although conventional belief holds that treeline advance will result in sequestration of carbon as tundra is replaced by trees, carbon release by decomposition may deviate from this expectation. This work represents a descriptive study that highlights the importance of conducting similar work at broader spatial scales and in more varied locations to further determine the magnitude and extent of its implications.en_UK
dc.identifier.citationDarren R. Grafius and George P. Malanson, Physical Geography, Vol. 36, Iss.4, 2015en_UK
dc.identifier.isbnhttp://dx.doi.org/10.1080/02723646.2015.1050954
dc.identifier.issn0272-3646
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/10585
dc.language.isoenen_UK
dc.publisherTaylor and Francisen_UK
dc.subjectalpine tundraen_UK
dc.subjectcarbonen_UK
dc.subjectclimate changeen_UK
dc.subjectdecompositionen_UK
dc.subjecttimberlineen_UK
dc.titleBiomass distributions in dwarf tree, krummholz, and tundra vegetation in the alpine treeline ecotoneen_UK
dc.typeArticleen_UK

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