Diversitat isoenzimàtica de la flora vascular silvestre dels Països Catalans

Authors

  • Jordi López i Pujol
  • Maria Bosch i Daniel
  • Joan Simon Pallisé
  • Cèsar Blanché i Vergés

Abstract

The Catalan Countries exhibit a high floristic diversity, with more than 4.500 taxa and a mean rate of endemism of about 5 %. Here we present a synthesis of the literature concerning allozyme genetic diversity in endemic taxa or in those with populations located within the Catalan Countries. From 36 taxa examined, relatively high levels of genetic variability have been detected (P = 28,85 %, A = 1,46, He = 0,112 for diploid taxa), although with a substantial percentage (around 6 %) of rare alleles per population, high rates of imbreeding (FIS = 0,245), and a significant genetic divergence among populations (GST = 0,248). The causes of those patterns, together with their relationship with different biological and ecological traits of these Catalan taxa, have been analyzed in detail.

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Published

2008-07-11

Issue

Vol. 74 : 2006

Section

Gea, Flora et Fauna

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