Interactions of drought and shade effects on seedlings of four Quercus species: physiological and structural leaf responses
15 pages, 5 figures, 5 tables, 43 references.
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| Format: | artículo biblioteca |
| Language: | English |
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Wiley-Blackwell
2006
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| Subjects: | Deciduous, Evergreen, Leaf traits, Mediterranean oaks, Photosynthesis, Nitrogen, Specific leaf area, Water-use efficiency, |
| Online Access: | http://hdl.handle.net/10261/47763 |
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dig-irnas-es-10261-477632016-08-19T09:00:20Z Interactions of drought and shade effects on seedlings of four Quercus species: physiological and structural leaf responses Quero Pérez, José Luis Villar Montero, Rafael Marañón, Teodoro Marañón, Teodoro Zamora Rodríguez, Regino Ministerio de Educación y Cultura (España) Deciduous Evergreen Leaf traits Mediterranean oaks Photosynthesis Nitrogen Specific leaf area Water-use efficiency 15 pages, 5 figures, 5 tables, 43 references. Here, we investigated the physiological and structural leaf responses of seedlings of two evergreen and two deciduous Quercus species, grown in a glasshouse and subjected to contrasted conditions of light (low, medium and high irradiance) and water (continuous watering vs 2-months drought). • The impact of drought on photosynthetic rate was strongest in high irradiance, while the impact of shade on photosynthetic rate was strongest with high water supply, contradicting the hypothesis of allocation trade-off. • Multivariate causal models were evaluated using d-sep method. The model that best fitted the dataset proposed that the variation in specific leaf area affects photosynthetic rate and leaf nitrogen concentration, and this trait determines stomatal conductance, which also affects photosynthetic rate. • Shade conditions seemed to ameliorate, or at least not aggravate, the drought impact on oak seedlings, therefore, the drought response on leaf performance depended on the light environment. This study was supported by the grant FPI-MEC to J.L.Q. (BES-2003-1716), and by the coordinated Spanish CICYT project HETEROMED (REN2002-04041). Peer reviewed 2012-04-01T22:58:53Z 2012-04-01T22:58:53Z 2006 artículo http://purl.org/coar/resource_type/c_6501 New Phytologist 170(4): 819-834 (2006) 0028-646X http://hdl.handle.net/10261/47763 10.1111/j.1469-8137.2006.01713.x 1469-8137 en http://dx.doi.org/10.1111/j.1469-8137.2006.01713.x open Wiley-Blackwell |
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Biblioteca del IRNAS España |
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English |
| topic |
Deciduous Evergreen Leaf traits Mediterranean oaks Photosynthesis Nitrogen Specific leaf area Water-use efficiency Deciduous Evergreen Leaf traits Mediterranean oaks Photosynthesis Nitrogen Specific leaf area Water-use efficiency |
| spellingShingle |
Deciduous Evergreen Leaf traits Mediterranean oaks Photosynthesis Nitrogen Specific leaf area Water-use efficiency Deciduous Evergreen Leaf traits Mediterranean oaks Photosynthesis Nitrogen Specific leaf area Water-use efficiency Quero Pérez, José Luis Villar Montero, Rafael Marañón, Teodoro Marañón, Teodoro Zamora Rodríguez, Regino Interactions of drought and shade effects on seedlings of four Quercus species: physiological and structural leaf responses |
| description |
15 pages, 5 figures, 5 tables, 43 references. |
| author2 |
Ministerio de Educación y Cultura (España) |
| author_facet |
Ministerio de Educación y Cultura (España) Quero Pérez, José Luis Villar Montero, Rafael Marañón, Teodoro Marañón, Teodoro Zamora Rodríguez, Regino |
| format |
artículo |
| topic_facet |
Deciduous Evergreen Leaf traits Mediterranean oaks Photosynthesis Nitrogen Specific leaf area Water-use efficiency |
| author |
Quero Pérez, José Luis Villar Montero, Rafael Marañón, Teodoro Marañón, Teodoro Zamora Rodríguez, Regino |
| author_sort |
Quero Pérez, José Luis |
| title |
Interactions of drought and shade effects on seedlings of four Quercus species: physiological and structural leaf responses |
| title_short |
Interactions of drought and shade effects on seedlings of four Quercus species: physiological and structural leaf responses |
| title_full |
Interactions of drought and shade effects on seedlings of four Quercus species: physiological and structural leaf responses |
| title_fullStr |
Interactions of drought and shade effects on seedlings of four Quercus species: physiological and structural leaf responses |
| title_full_unstemmed |
Interactions of drought and shade effects on seedlings of four Quercus species: physiological and structural leaf responses |
| title_sort |
interactions of drought and shade effects on seedlings of four quercus species: physiological and structural leaf responses |
| publisher |
Wiley-Blackwell |
| publishDate |
2006 |
| url |
http://hdl.handle.net/10261/47763 |
| work_keys_str_mv |
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| _version_ |
1777664254539726848 |