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| Castillo,María L.C; Bustamante,Ramiro O; Peña-Gómez,Francisco T; Gutiérrez,Víctor L; Reyes,Claudio A; Arredondo-Núñez,Alicia; Marey,Marilyn. |
| Negative photoblastism is defined as the inhibitory effect of light on seed germination. This effect can be modulated by abiotic variables, such as temperature, light condition and water potential. This conditions change notoriously at higher altitudes, could promote differentiations in the photoblastic response among populations. Also, this physiological attribute poses an interesting conflict for plant regeneration, because prevents seed germination on the soil surface, however, it can also to reduce the mortality of seeds germinants in unsuitable conditions and consequently, seedling mortality. Eschscholzia californica is one of the few species with negative photoblastism and it is invasive in Chile, growing primarily in open and disturbed places. Some... |
| Tipo: Journal article |
Palavras-chave: Central Chile; Common garden; California poppies; Seed burial; Seed germination. |
| Ano: 2013 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-66432013000200010 |
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| Ledoux, Jean-baptiste; Aurelle, Didier; Bensoussan, Nathaniel; Marschal, Christian; Feral, Jean-pierre; Garrabou, Joaquim. |
| Studying population-by-environment interactions (PEIs) at species range margins offers the opportunity to characterize the responses of populations facing an extreme regime of selection, as expected due to global change. Nevertheless, the importance of these marginal populations as putative reservoirs of adaptive genetic variation has scarcely been considered in conservation biology. This is particularly true in marine ecosystems for which the deep refugia hypothesis proposes that disturbed shallow and marginal populations of a given species can be replenished by mesophotic ones. This hypothesis therefore assumes that identical PEIs exist between populations, neglecting the potential for adaptation at species range margins. Here, we combine reciprocal... |
| Tipo: Text |
Palavras-chave: Common garden; Corallium rubrum; Deeprefugia hypothesis; Marginal populations; Phenotypic buffering; Potential for local adaptation; Reciprocal transplants. |
| Ano: 2015 |
URL: https://archimer.ifremer.fr/doc/00371/48265/48596.pdf |
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