Catàleg i valoració de les plantes aquàtiques de l’estany de Sils (La Selva, Catalunya)

摘要: Since the beginning of eighteenth century, botanists in southwest Europe have recognized Estany de Sils (La Selva, Catalonia) as having a unique plant population, especially with regard to aquatic plants. Despite lake being definitively drained 1851, there is still today fairly diverse flora remaining marshes and seasonal ponds. In this work, we present catalogue plants Mediterranean wetland, compiled from field trips consultation various herbaria botanical works. Thus, according our data, last 300 years, 37 populated lake, 12 which are currently thought become locally extinct (although presence three them doubt). The that disappeared include Trapa natans, Marsilea quadrifolia, Najas minor Rorippa amphibia . addition, using flora, following criteria proposed by researchers Real Jardin Botanico Madrid, carried out evaluation wetland area (I H index). Its value has been found be very high (an I 7.0 1850 compared an 6.9 2014) can considered European importance nowadays. It must noted, 30.6% 19.4% vascular existing Catalan Countries Spain, respectively, observed study area.