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Fitosociologia numero 39 (1)

pag. 23-43: Syndynamics of lowland Quercus frainetto & Q. cerris forests in Lazio (central Italy)

C. Blasi1, A. Stanisci2, L. Filesi3, A. Milanese1, E. Perinelli1 & L. Riggio1

1Dipartimento di Biologia Vegetale, Università di Roma "La Sapienza ", Piazzale Aldo Moro 5, I-00185 Roma; e-mail: carlo.blasi@uniroma1.it
2Dipartimento di Scienze e Tecnologie dell'Ambiente e del Territorio, Università degli Studi del Molise, Via Mazzini 8, I-86170 Isernia
3Dipartimento di Pianificazione, Istituto Universitario di Architettura di Venezia, Cà Tron, Santa Croce 1957, 30135 Venezia

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abstract

Syntaxonomy and syndynamics of residual natural vegetation of Lazio lowland have been analysed using 120 original phytosociological relevés.
Data matrix were subjected to classification and ordination techniques.
The mesophytic forest of the lowland can be included in the Mespilo germanicae-Quercetum frainetto association, Teucrio siculi-Quercion cerridis alliance. Three subassociations have been recognized: arbutetosum unedonis subass.nova, cornetosum sanguineae subass. nova and subass. quercetosum roboris. Main serial contacts are described: mantles are referred to the new association Daphno gnidii-Cytisetum scopariae (Pruno-Rubenion ulmifolii), shrublands to the new association Phillyreo latifoliae-Ericetum scopariae (Ericion arboreae), grassland to the Moenchio-Tuberarietum guttatae (Helianthemion guttatae), and a small community of ephemeral ponds to the new association Sileno laetae-lsolepetum cernuae (Cicendio-Solenopsion laurentiae).
Catenal contacts were also analysed and discussed.


keywords

lowland, Quercus frainetto, syndynamics, syntaxonorny