Soil water content and emergence time control seedling establishment in three co-occurring Mediterranean oak species
12 pages, 6 figures, 53 references.
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National Research Council Canada
2008
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| Online Access: | http://hdl.handle.net/10261/48003 |
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dig-irnas-es-10261-480032016-08-19T09:00:25Z Soil water content and emergence time control seedling establishment in three co-occurring Mediterranean oak species Rodríguez Urbieta, Itzíar Pérez-Ramos, Ignacio Manuel Zavala, Miguel A. Marañón, Teodoro Kobe, Richard K. Ministerio de Educación y Ciencia (España) 12 pages, 6 figures, 53 references. Tree species can differ in their responses to resource availability during the critical phase of establishment, which could influence forest dynamics. In Mediterranean forests, most of the attention has focused on the effects of shade and summer drought on seedling survival, but little is known about the effect of autumn to spring rains on earlier stages of recruitment. A sowing experiment was set up along natural light and water gradients with three co-occurring oak species (Quercus suber L. (cork oak), Quercus canariensis Willd. (Algerian oak), and Quercus pyrenaica Willd. (Pyrenean oak)) that show limited natural regeneration in southern Spain. Recruitment stages were monitored for 1 year. Models of seed germination, seedling emergence, and seedling survival as well as of overall recruitment patterns were developed as functions of light, soil moisture, and soil compaction. The influence of intraspecific variation in seed mass and emergence time were also tested. Excess soil water levels during the winter reduced germination and emergence and lengthened time to emergence (in waterlogged open areas), which in turn decreased seedling survival during the dry season. Seedlings from larger seeds were more likely to germinate and emerge. The results suggest that temporal and spatial variability of soil water content, mediated by emergence time and seed size, play a crucial role in the regeneration dynamics of Mediterranean oak forests. This study was supported by FPI and FPUMEC grants to the first and second authors, respectively, and by project grants Heteromed (REN2002-0404l-C02) and Dinamed (CGL2005-05830-C03). This research is part of the GLOBIMED (www.globimed.net) network on forest ecology. ccology. Peer reviewed 2012-04-09T12:00:19Z 2012-04-09T12:00:19Z 2008 artículo http://purl.org/coar/resource_type/c_6501 Canadian Journal of Forest Research 38(9): 2382-2393 (2008) 0045-5067 http://hdl.handle.net/10261/48003 10.1139/X08-089 1208-6037 en http://dx.doi.org/10.1139/X08-089 open National Research Council Canada |
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España |
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ES |
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biblioteca |
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Europa del Sur |
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Biblioteca del IRNAS España |
| language |
English |
| description |
12 pages, 6 figures, 53 references. |
| author2 |
Ministerio de Educación y Ciencia (España) |
| author_facet |
Ministerio de Educación y Ciencia (España) Rodríguez Urbieta, Itzíar Pérez-Ramos, Ignacio Manuel Zavala, Miguel A. Marañón, Teodoro Kobe, Richard K. |
| format |
artículo |
| author |
Rodríguez Urbieta, Itzíar Pérez-Ramos, Ignacio Manuel Zavala, Miguel A. Marañón, Teodoro Kobe, Richard K. |
| spellingShingle |
Rodríguez Urbieta, Itzíar Pérez-Ramos, Ignacio Manuel Zavala, Miguel A. Marañón, Teodoro Kobe, Richard K. Soil water content and emergence time control seedling establishment in three co-occurring Mediterranean oak species |
| author_sort |
Rodríguez Urbieta, Itzíar |
| title |
Soil water content and emergence time control seedling establishment in three co-occurring Mediterranean oak species |
| title_short |
Soil water content and emergence time control seedling establishment in three co-occurring Mediterranean oak species |
| title_full |
Soil water content and emergence time control seedling establishment in three co-occurring Mediterranean oak species |
| title_fullStr |
Soil water content and emergence time control seedling establishment in three co-occurring Mediterranean oak species |
| title_full_unstemmed |
Soil water content and emergence time control seedling establishment in three co-occurring Mediterranean oak species |
| title_sort |
soil water content and emergence time control seedling establishment in three co-occurring mediterranean oak species |
| publisher |
National Research Council Canada |
| publishDate |
2008 |
| url |
http://hdl.handle.net/10261/48003 |
| work_keys_str_mv |
AT rodriguezurbietaitziar soilwatercontentandemergencetimecontrolseedlingestablishmentinthreecooccurringmediterraneanoakspecies AT perezramosignaciomanuel soilwatercontentandemergencetimecontrolseedlingestablishmentinthreecooccurringmediterraneanoakspecies AT zavalamiguela soilwatercontentandemergencetimecontrolseedlingestablishmentinthreecooccurringmediterraneanoakspecies AT maranonteodoro soilwatercontentandemergencetimecontrolseedlingestablishmentinthreecooccurringmediterraneanoakspecies AT koberichardk soilwatercontentandemergencetimecontrolseedlingestablishmentinthreecooccurringmediterraneanoakspecies |
| _version_ |
1777664259088449536 |