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dc.contributor.author
Amoroso, Mariano Martin
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dc.contributor.author
Coates, K. David
dc.contributor.author
Astrup, Rasmus
dc.date.available
2015-10-01T18:34:13Z
dc.date.issued
2013-12-15
dc.identifier.citation
Amoroso, Mariano Martin; Coates, K. David; Astrup, Rasmus; Stand recovery and self-organization following large-scale mountain pine beetle induced canopy mortality in northern forests; Elsevier Science; Forest Ecology And Management; 310; 15-12-2013; 300-311
dc.identifier.issn
0378-1127
dc.identifier.uri
http://hdl.handle.net/11336/2254
dc.description.abstract
A mountain pine beetle (MPB) epidemic is currently ravaging large areas of interior British Columbia (BC) with significant implications for ecosystem services including future timber supply and community economic stability. Information is needed on future stand dynamics in areas of impacted forests that are unlikely to be salvaged logged. Of greatest concern are stands dominated by lodgepole pine (>50% timber volume). Predicting how surviving trees in these areas respond and grow and the timing and specie composition of natural regeneration ingress is of critical importance for multiple forest values. We undertook a retrospective study in the Flathead Valley of southeastern British Columbia where an intense MPB epidemic peaked in 1979?1980. Our objective was to gain insight into stand recovery and stand selforganization as influenced by species-specific growth responses of different sized secondary structure trees (individual seedling, sapling, sub-canopy and canopy trees surviving the epidemic) and post-beetle regeneration dynamics. MPB mortality rates, the percent of basal area killed by beetles, varied from 42%<br />to 100% with most stands between 60% and 80%. In general, all surviving secondary structure released but the extent of growth release exhibited species variability. Release of surviving canopy lodgepole pine trees was often dramatic and greatest in stands with high total stand MPB mortality rates. Ingress of natural regeneration was slow in the first few years after MPB attack but there was a strong pulse of recruitment 10?20 years post disturbance which then slowed considerably. Nearly 30 years after the MPB attack, the stocking and composition of the understories have changed dramatically. Overall, the occurrence of the MPB epidemic resulted in more structurally and compositionally diverse stands leading to multiple successional pathways different from those of even-age pine dominated stands. The recovery and self-organization of unsalvaged natural stands in the Flathead Valley was a complicated process. It has provided insights for future forest management in areas impacted by the current massive MPB epidemic ongoing for the past decade in western North America.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Mountain Pine Beetle
dc.subject
Regeneration
dc.subject
Mortality
dc.subject
Stand Recovery
dc.subject
Radial Growth
dc.subject.classification
Silvicultura
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dc.subject.classification
Agricultura, Silvicultura y Pesca
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dc.subject.classification
CIENCIAS AGRÍCOLAS
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dc.title
Stand recovery and self-organization following large-scale mountain pine beetle induced canopy mortality in northern forests
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2016-03-30 10:35:44.97925-03
dc.journal.number
310
dc.journal.pagination
300-311
dc.journal.pais
Países Bajos
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dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Amoroso, Mariano Martin. Consejo Nacional de Investigaciones Científicas y Técnicas. Científico Tecnológico Mendoza. Instituto Argentino de Nivologia, Glaciologia y Ciencias. Ambientales; Argentina;
dc.description.fil
Fil: Coates, K. David. Ministry of Forests, Lands and Natural Resource; Canadá; Bulkley Valley Research Centre; Canadá;
dc.description.fil
Fil: Astrup, Rasmus. Bulkley Valley Research Centre; Canadá; Norwegian Institute for Forest and Landscape; Noruega;
dc.journal.title
Forest Ecology And Management
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0378112713005641
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.foreco.2013.08.037
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