New floristic reports from the lakes Trichonis and Lisimachia (W Greece)

摘要

The study of the wetland flora and vegetation of Lake Trichonis, the largest inland lake of Greece, and of the neighbouring Lake Lisimachia (Etoloakarnania, W Greece) revealed 68 vascular plant taxa previously not reported from the area, which are discussed chorologically. Hordeum secalinum and Ludwigia peploides subsp. montevidensis are reported for the first time from Greece. The lakes Trichonis and Lisimachia (Greece, Sterea Ellas, Nomos of Etoloakarnania) belong to the western chain of Greek wetlands running along the coast of the Ionian Sea. Besides extensive coastal delta and lagoon areas the wetland system includes the inland lakes and marshes of Etoloakarnania and Epirus, of which Lake Trichonis is the largest inland lake of Greece. In recent years the wetlands of W Greece, which are all of high ecological and nature conservation value, have suffered significantly from human activities and, according to Psilovikos (1992), the "ratio of extant to extinct wetlands in the western chain is 1: 25 with a significant loss of wetlands having occurred in the south". The lakes Trichonis and Lisimachia are included in the European Ecological Network Natura 2000 and conservation measures could be applied in the future following their designation as Special Areas for Conservation (SAC).