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Stachnowicz W. (2013). Nadrzeczne łęgi i zarośla wierzbowe (Salicion albae Soo 1930 em. Moor 1958) w Ostoi Nadwarciańskiej (PLH300009) w okolicy Lądu nad Wartą (Dolina Konińska). Bad. Fizjogr., Ser. B, R.IV (B62): 7-33. Abstract: The article contains 35 phytosociological relevés documenting riparian willow communities (Salicetum triandro-viminalis and Salicetum albae) investigated in between 2009-2012, in the valley of the River Warta in the vicinity of Ląd (the Natura 2000 site – PLH320009), central Wielkopolska, Poland. The material has been classified along two, not always parallel, habitat factors: moisture (distinguishing of wet subassociations, e.g. S.t.v. rorippetosum amphibiae) and neighbourhood with meadows which resulted in a significant increase in presence of nitrophilous, ecotonal herbs of Convolvuletalia sepium (in newly-described variants with Symphytum officinale and Stachys palustris). The problem of successful protection of riparian willow thickets and forests is als
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