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dc.contributor.author
Suarez, Maria Laura
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dc.contributor.author
Lloret Sarmiento, Francisco Jose
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dc.date.available
2020-01-02T23:13:43Z
dc.date.issued
2018-01
dc.identifier.citation
Suarez, Maria Laura; Lloret Sarmiento, Francisco Jose; Self-replacement after small-scale partial crown dieback in austral Nothofagus dombeyi forests affected by an extreme drought; National Research Council Canada-NRC Research Press; Canadian Journal Of Forest Research; 48; 4; 1-2018; 412-420
dc.identifier.issn
0045-5067
dc.identifier.uri
http://hdl.handle.net/11336/93348
dc.description.abstract
The spectrum of structural response in drought-induced mortality (degree of partial crown mortality) could play a key role in pervasive changes in plant composition, as individual openings could reset self-replacement dynamics or trigger shifts in vegetation. Here we capture the community pattern 17 years after a drought episode over a range of canopy responses in Nothofagus dombeyi forests. We applied a widespread demographic approach to address evidence of species shifts vs. self-replacement and to relate partial dieback to understory structure and composition. Assuming that the outcome of growth release of the understory components can be observed 17 years after canopy loss, this study reveals evidence of self-replacement in N. dombeyi forests heavily affected by drought. Alternatively, when the co-dominant species A. chilensis is widely present in the understory and large gaps are opened, a compositional shift may be possible, with a potential change in forest functionality. Individual partial openings do not favor more shrubby communities or a shift toward a new community. Thus, partial crown dieback contributes to self-replacement mechanisms by hampering strong growth release in understory shrubs, as evident in plots with high mortality, and by facilitating the growth of dominant tree species.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
National Research Council Canada-NRC Research Press
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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
COMMUNITY TREND
dc.subject
MIXED FOREST
dc.subject
PATAGONIA
dc.subject
UNDERSTORY STRUCTURE
dc.subject
VEGETATION SHIFTS
dc.subject.classification
Ecología
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Self-replacement after small-scale partial crown dieback in austral Nothofagus dombeyi forests affected by an extreme drought
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-10-10T13:47:10Z
dc.journal.volume
48
dc.journal.number
4
dc.journal.pagination
412-420
dc.journal.pais
Canadá
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dc.journal.ciudad
Otawa
dc.description.fil
Fil: Suarez, Maria Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina. Universidad Nacional del Comahue. Centro Regional Universitario Bariloche. Laboratorio de Ecotono; Argentina
dc.description.fil
Fil: Lloret Sarmiento, Francisco Jose. Consejo Superior de Investigaciones Científicas. Centre de Recerca Ecológica I Aplicacions Forestals; España. Universitat Autònoma de Barcelona; España
dc.journal.title
Canadian Journal Of Forest Research
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.nrcresearchpress.com/doi/10.1139/cjfr-2017-0305
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1139/cjfr-2017-0305
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