Effect of sowing season, plant cover, and climatic variability on seedling emergence and survival in burned Austrocedrus chilensis forests

Autores
Urretavizcaya, María Florencia; Defossé, Guillermo Emilio; Gonda, Héctor Eduardo
Año de publicación
2012
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Fire is the most important disturbance factor in Cypress (Austrocedrus chilensis) forests in Patagonia, Argentina. This ecosystem recovers poorly after fire, and direct sowing could be a potentially useful restoration practice. To evaluate the effect of season of sowing, post-fire plant cover and climatic variability on seedling emergence and survival, three direct sowing studies were established in two burned cypress stands: Trevelin (xeric conditions) and El Bolsón (mesic conditions). Two studies were conducted in winter (2000 and 2001) and one in spring (2001). Precipitation was higher than the mean during the 2000-2001 growing season and lower during 2001-2002. At both sites, emergence and survival were much higher for winter-sown than for spring-sown seedlings. In the xeric stand, emergence and survival of winter-sown seedlings increased with medium and high plant cover values, after the humid and dry summers respectively; however, most spring-sown seedlings did not emerge, and those that did were short-lived. Because of the more favorable growing conditions in the mesic stand, plant cover had no effect on emergence and only favored first year survival of winter‑sown seedlings after the dry summer. Spring-sown seedlings showed no association with plant cover in the mesic site, probably because the first summer was exceptionally humid. We speculate that shading plants exert a positive effect on cypress seedling establishment, likely by reducing the stress from high temperatures and low water availability. Sowing of small patches under the protection of understory vegetation could be useful in restoring burned cypress stands.
Fil: Urretavizcaya, María Florencia. Centro de Investigación y Extensión Forestal Andino Patagónico; Argentina. Universidad Nacional de la Patagonia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Defossé, Guillermo Emilio. Centro de Investigación y Extensión Forestal Andino Patagónico; Argentina. Universidad Nacional de la Patagonia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Gonda, Héctor Eduardo. Centro de Investigación y Extensión Forestal Andino Patagónico; Argentina. Universidad Nacional de la Patagonia; Argentina
Materia
Ciprés de La Cordillera
Direct Seeding
Fire
Restoration Ecology
Seedling Emergence
Seedling Survival
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/23782
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/23782
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Effect of sowing season, plant cover, and climatic variability on seedling emergence and survival in burned Austrocedrus chilensis forestsUrretavizcaya, María FlorenciaDefossé, Guillermo EmilioGonda, Héctor EduardoCiprés de La CordilleraDirect SeedingFireRestoration EcologySeedling EmergenceSeedling Survivalhttps://purl.org/becyt/ford/4.1https://purl.org/becyt/ford/4Fire is the most important disturbance factor in Cypress (Austrocedrus chilensis) forests in Patagonia, Argentina. This ecosystem recovers poorly after fire, and direct sowing could be a potentially useful restoration practice. To evaluate the effect of season of sowing, post-fire plant cover and climatic variability on seedling emergence and survival, three direct sowing studies were established in two burned cypress stands: Trevelin (xeric conditions) and El Bolsón (mesic conditions). Two studies were conducted in winter (2000 and 2001) and one in spring (2001). Precipitation was higher than the mean during the 2000-2001 growing season and lower during 2001-2002. At both sites, emergence and survival were much higher for winter-sown than for spring-sown seedlings. In the xeric stand, emergence and survival of winter-sown seedlings increased with medium and high plant cover values, after the humid and dry summers respectively; however, most spring-sown seedlings did not emerge, and those that did were short-lived. Because of the more favorable growing conditions in the mesic stand, plant cover had no effect on emergence and only favored first year survival of winter‑sown seedlings after the dry summer. Spring-sown seedlings showed no association with plant cover in the mesic site, probably because the first summer was exceptionally humid. We speculate that shading plants exert a positive effect on cypress seedling establishment, likely by reducing the stress from high temperatures and low water availability. Sowing of small patches under the protection of understory vegetation could be useful in restoring burned cypress stands.Fil: Urretavizcaya, María Florencia. Centro de Investigación y Extensión Forestal Andino Patagónico; Argentina. Universidad Nacional de la Patagonia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Defossé, Guillermo Emilio. Centro de Investigación y Extensión Forestal Andino Patagónico; Argentina. Universidad Nacional de la Patagonia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Gonda, Héctor Eduardo. Centro de Investigación y Extensión Forestal Andino Patagónico; Argentina. Universidad Nacional de la Patagonia; ArgentinaWiley2012-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/23782Urretavizcaya, María Florencia; Defossé, Guillermo Emilio; Gonda, Héctor Eduardo; Effect of sowing season, plant cover, and climatic variability on seedling emergence and survival in burned Austrocedrus chilensis forests; Wiley; Restoration Ecology; 20; 1; 1-2012; 131-1401061-29711526-100XCONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://onlinelibrary.wiley.com/doi/10.1111/j.1526-100X.2010.00728.x/abstractinfo:eu-repo/semantics/altIdentifier/doi/10.1111/j.1526-100X.2010.00728.xinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:16:55Zoai:ri.conicet.gov.ar:11336/23782instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:16:56.082CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Effect of sowing season, plant cover, and climatic variability on seedling emergence and survival in burned Austrocedrus chilensis forests
title Effect of sowing season, plant cover, and climatic variability on seedling emergence and survival in burned Austrocedrus chilensis forests
spellingShingle Effect of sowing season, plant cover, and climatic variability on seedling emergence and survival in burned Austrocedrus chilensis forests
Urretavizcaya, María Florencia
Ciprés de La Cordillera
Direct Seeding
Fire
Restoration Ecology
Seedling Emergence
Seedling Survival
title_short Effect of sowing season, plant cover, and climatic variability on seedling emergence and survival in burned Austrocedrus chilensis forests
title_full Effect of sowing season, plant cover, and climatic variability on seedling emergence and survival in burned Austrocedrus chilensis forests
title_fullStr Effect of sowing season, plant cover, and climatic variability on seedling emergence and survival in burned Austrocedrus chilensis forests
title_full_unstemmed Effect of sowing season, plant cover, and climatic variability on seedling emergence and survival in burned Austrocedrus chilensis forests
title_sort Effect of sowing season, plant cover, and climatic variability on seedling emergence and survival in burned Austrocedrus chilensis forests
dc.creator.none.fl_str_mv Urretavizcaya, María Florencia
Defossé, Guillermo Emilio
Gonda, Héctor Eduardo
author Urretavizcaya, María Florencia
author_facet Urretavizcaya, María Florencia
Defossé, Guillermo Emilio
Gonda, Héctor Eduardo
author_role author
author2 Defossé, Guillermo Emilio
Gonda, Héctor Eduardo
author2_role author
author
dc.subject.none.fl_str_mv Ciprés de La Cordillera
Direct Seeding
Fire
Restoration Ecology
Seedling Emergence
Seedling Survival
topic Ciprés de La Cordillera
Direct Seeding
Fire
Restoration Ecology
Seedling Emergence
Seedling Survival
purl_subject.fl_str_mv https://purl.org/becyt/ford/4.1
https://purl.org/becyt/ford/4
dc.description.none.fl_txt_mv Fire is the most important disturbance factor in Cypress (Austrocedrus chilensis) forests in Patagonia, Argentina. This ecosystem recovers poorly after fire, and direct sowing could be a potentially useful restoration practice. To evaluate the effect of season of sowing, post-fire plant cover and climatic variability on seedling emergence and survival, three direct sowing studies were established in two burned cypress stands: Trevelin (xeric conditions) and El Bolsón (mesic conditions). Two studies were conducted in winter (2000 and 2001) and one in spring (2001). Precipitation was higher than the mean during the 2000-2001 growing season and lower during 2001-2002. At both sites, emergence and survival were much higher for winter-sown than for spring-sown seedlings. In the xeric stand, emergence and survival of winter-sown seedlings increased with medium and high plant cover values, after the humid and dry summers respectively; however, most spring-sown seedlings did not emerge, and those that did were short-lived. Because of the more favorable growing conditions in the mesic stand, plant cover had no effect on emergence and only favored first year survival of winter‑sown seedlings after the dry summer. Spring-sown seedlings showed no association with plant cover in the mesic site, probably because the first summer was exceptionally humid. We speculate that shading plants exert a positive effect on cypress seedling establishment, likely by reducing the stress from high temperatures and low water availability. Sowing of small patches under the protection of understory vegetation could be useful in restoring burned cypress stands.
Fil: Urretavizcaya, María Florencia. Centro de Investigación y Extensión Forestal Andino Patagónico; Argentina. Universidad Nacional de la Patagonia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Defossé, Guillermo Emilio. Centro de Investigación y Extensión Forestal Andino Patagónico; Argentina. Universidad Nacional de la Patagonia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Gonda, Héctor Eduardo. Centro de Investigación y Extensión Forestal Andino Patagónico; Argentina. Universidad Nacional de la Patagonia; Argentina
description Fire is the most important disturbance factor in Cypress (Austrocedrus chilensis) forests in Patagonia, Argentina. This ecosystem recovers poorly after fire, and direct sowing could be a potentially useful restoration practice. To evaluate the effect of season of sowing, post-fire plant cover and climatic variability on seedling emergence and survival, three direct sowing studies were established in two burned cypress stands: Trevelin (xeric conditions) and El Bolsón (mesic conditions). Two studies were conducted in winter (2000 and 2001) and one in spring (2001). Precipitation was higher than the mean during the 2000-2001 growing season and lower during 2001-2002. At both sites, emergence and survival were much higher for winter-sown than for spring-sown seedlings. In the xeric stand, emergence and survival of winter-sown seedlings increased with medium and high plant cover values, after the humid and dry summers respectively; however, most spring-sown seedlings did not emerge, and those that did were short-lived. Because of the more favorable growing conditions in the mesic stand, plant cover had no effect on emergence and only favored first year survival of winter‑sown seedlings after the dry summer. Spring-sown seedlings showed no association with plant cover in the mesic site, probably because the first summer was exceptionally humid. We speculate that shading plants exert a positive effect on cypress seedling establishment, likely by reducing the stress from high temperatures and low water availability. Sowing of small patches under the protection of understory vegetation could be useful in restoring burned cypress stands.
publishDate 2012
dc.date.none.fl_str_mv 2012-01
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/23782
Urretavizcaya, María Florencia; Defossé, Guillermo Emilio; Gonda, Héctor Eduardo; Effect of sowing season, plant cover, and climatic variability on seedling emergence and survival in burned Austrocedrus chilensis forests; Wiley; Restoration Ecology; 20; 1; 1-2012; 131-140
1061-2971
1526-100X
CONICET Digital
CONICET
url http://hdl.handle.net/11336/23782
identifier_str_mv Urretavizcaya, María Florencia; Defossé, Guillermo Emilio; Gonda, Héctor Eduardo; Effect of sowing season, plant cover, and climatic variability on seedling emergence and survival in burned Austrocedrus chilensis forests; Wiley; Restoration Ecology; 20; 1; 1-2012; 131-140
1061-2971
1526-100X
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://onlinelibrary.wiley.com/doi/10.1111/j.1526-100X.2010.00728.x/abstract
info:eu-repo/semantics/altIdentifier/doi/10.1111/j.1526-100X.2010.00728.x
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Wiley
publisher.none.fl_str_mv Wiley
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 13.070432

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