Hybrid zones between two European oaks: a plant community approach

Publication Type:Journal Article
Year of Publication:2006
Authors:R. S. de Dios, -Garz, B., Sainz-Ollero, H.
Journal:Plant Ecology
Date Published:2006
Keywords:Canonical Correspondence Analysis, CCA, Iberian Peninsula, Quercus faginea, Quercus pubescens

Phenomena of hybridization can affect the ecology and evolution of the species involved in the process, as well as their communities. Although numerous papers focus upon the problem of taxonomy, few of these have attempted to study hybrid zones in relation to the analysis of their communities. On the Iberian Peninsula, hybridization phenomena among different oak species are frequent. It is, however, between Quercus faginea Lam. and Quercus pubescens Willd. where the most noteworthy hybridization phenomenon occurs. In this respect, we are familiar with the existence of different introgression levels but we are unaware of whether these hybrids are the transitory result of the interspecific genetic flow or whether these are maintained by means of extrinsic selection processes.Study of plant communities

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