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species pool decreased from regime A towards regime D.
In the unsystematically mowed areas (B and C regime), and in areas that had not been mowed
for a long time (D regime), dominated herbs. Mat-forming graminoids were abundantly
represented in the unsystematic regime areas. Both on regularly mowed areas and long-time
unmown areas dominated tussock-forming graminoids, but they differed for species and size.
In case of regular mowing they were graminaceous growing in lower herb layer, in unmown
areas they were species that form large dwarf shrubs like tussock grass and tussock sedge.
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TÄNUAVALDUSED
Töö autor tänab prof. Tõnu Oja magistritöö ja kaarditöötluse juhendamise eest. Eriline tänu
kuulub veel MSc. Laimi Truusile, kes oli suureks abiks ning kellel jagus kannatust nii töö
juhendamisel kui ka välitööde praktiliste ja teoreetiliste küsimuste lahendamisel. Samuti tänan