Early to rise makes a plant healthy, wealthy, and wise
12 páginas, 6 figuras, 5 tablas.
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| Language: | English |
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Ecological Society of America
2008-11
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| Subjects: | Cistaceae, Early emergence, Fabaceae, Plant fitness, Seedling emergence, Seedling fecundity, Seedling growth, Time of emergence, |
| Online Access: | http://hdl.handle.net/10261/59478 |
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dig-cide-es-10261-594782012-11-04T23:00:00Z Early to rise makes a plant healthy, wealthy, and wise Luis, Martín de Verdú, Miguel Raventós, José Ministerio de Educación y Ciencia (España) Cistaceae Early emergence Fabaceae Plant fitness Seedling emergence Seedling fecundity Seedling growth Time of emergence 12 páginas, 6 figuras, 5 tablas. Seedling emergence time is a crucial event in the life cycle of a plant, determining its fitness via different components including survival, growth, and fecundity. Precocious emergents usually survive, grow, and/or reproduce earlier in the life cycle, but for perennials it is unknown whether these benefits are maintained throughout the life of the plant. Here, we examine for the first time whether fitness benefits due to the early emergence of perennial plants are perpetuated or vanish with time. For nine years, in a Mediterranean gorse community, we followed the fate of 2118 seedlings belonging to the four dominant woody species. We estimated phenotypic selection gradients on emergence time for three fitness components (survival, growth, and fecundity), under two experimentally simulated scenarios (fire and fire + erosion), at two different times in the life of the plant (3 and 9 years). Fire and erosion represent two potential selective forces constraining the temporal window of seedling emergence in Mediterranean habitats. All the species exhibited selection for early emergence, but through different fitness components. Directional selection favoring early emergence via survival in both. re scenarios was detected in the two Cistaceae species (Helianthemum marifolium and Cistus albidus), in which precocious emergents had higher fitness values late in the life cycle (9 years). In contrast, Fabaceae species (Ononis fruticosa and Ulex parviflorus) were not selected for early emergence via survival. Early emergents of all species in both. re scenarios had higher fitness values through growth early in the life cycle; these benefits decreased slightly with time but remained statistically significant, except in H. marifolium. Finally, late fecundity was enhanced by early emergence in both. re scenarios in C. albidus and U. parviflorus but not in H. marifolium. In conclusion, benefits acquired by emerging early are perpetuated for at least nine years. We thank the Spanish Ministry of Education and Science (CGL2005-04270) for their financial assistance, and M. Daws, J. M. Gómez, R. Medel, J. R. Pannell, J. G. Pausas, X. Picó, P. Rey, and an anonymous reviewer for providing useful comments on the manuscript. We also thank Elaine Rowe (B.A., DipTransIOL) for her linguistic revision. Peer reviewed 2012-11-05T12:59:08Z 2012-11-05T12:59:08Z 2008-11 artículo http://purl.org/coar/resource_type/c_6501 Ecology - Ecological Society of America 89(11): 3061-3071 (2008) 0012-9658 http://hdl.handle.net/10261/59478 10.1890/07-1828.1 en http://dx.doi.org//10.1890/07-1828.1 none Ecological Society of America |
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biblioteca |
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Europa del Sur |
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Biblioteca del CIDE España |
| language |
English |
| topic |
Cistaceae Early emergence Fabaceae Plant fitness Seedling emergence Seedling fecundity Seedling growth Time of emergence Cistaceae Early emergence Fabaceae Plant fitness Seedling emergence Seedling fecundity Seedling growth Time of emergence |
| spellingShingle |
Cistaceae Early emergence Fabaceae Plant fitness Seedling emergence Seedling fecundity Seedling growth Time of emergence Cistaceae Early emergence Fabaceae Plant fitness Seedling emergence Seedling fecundity Seedling growth Time of emergence Luis, Martín de Verdú, Miguel Raventós, José Early to rise makes a plant healthy, wealthy, and wise |
| description |
12 páginas, 6 figuras, 5 tablas. |
| author2 |
Ministerio de Educación y Ciencia (España) |
| author_facet |
Ministerio de Educación y Ciencia (España) Luis, Martín de Verdú, Miguel Raventós, José |
| format |
artículo |
| topic_facet |
Cistaceae Early emergence Fabaceae Plant fitness Seedling emergence Seedling fecundity Seedling growth Time of emergence |
| author |
Luis, Martín de Verdú, Miguel Raventós, José |
| author_sort |
Luis, Martín de |
| title |
Early to rise makes a plant healthy, wealthy, and wise |
| title_short |
Early to rise makes a plant healthy, wealthy, and wise |
| title_full |
Early to rise makes a plant healthy, wealthy, and wise |
| title_fullStr |
Early to rise makes a plant healthy, wealthy, and wise |
| title_full_unstemmed |
Early to rise makes a plant healthy, wealthy, and wise |
| title_sort |
early to rise makes a plant healthy, wealthy, and wise |
| publisher |
Ecological Society of America |
| publishDate |
2008-11 |
| url |
http://hdl.handle.net/10261/59478 |
| work_keys_str_mv |
AT luismartinde earlytorisemakesaplanthealthywealthyandwise AT verdumiguel earlytorisemakesaplanthealthywealthyandwise AT raventosjose earlytorisemakesaplanthealthywealthyandwise |
| _version_ |
1777665489462362112 |