Portal de Periódicos da CAPES

REED ENCROACHMENT ON ESTONIAN BEACHES

1990; Estonian Academy Publishers; Volume: 39; Issue: 1 Linguagem: Inglês

10.3176/geol.1990.1.02

1736-7913

Eric Bird, E Martin, Kaarel Orviku,

Environmental and Sediment Control

In recent decades, reeds (Phragmites australis) and some associated rushes have been intensively spreading on Estonian sandy beaches, notably on the shores of Pärnu Bay, the Vösu beach, the northern and western shores of Lake Peipsi and Lake Vortsjdrv.Some sections that were formerly beach-fringed are now bordered by up to 100 metres wide reed- swamp vegetation zone:for example, at Liu, southwest of Parnu, the beach that existed in the last century has disappeared behind and beneath swamp vegetation (Fig. 2).At Raekiila, east of Pärnu, the reedswamp has advanced seawards across the sandy beach (Fig. 3), which is now exposed only during the summer period of low sea level, while at Valgeranna, north of Parnu, and Uulu, southeast of Pdrnu, the reedswamps which occupy the shore have been extending laterally on to the beach sands.On the northern shore of Lake Peipsi a 40 km long beautiful sandy beach stretches from Lohusuu to Vasknarva.According to local people there was no