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Fitosociologia numero 43 (2)

pag. 59-75: La vegetazione segetale dei campi di frumento e orzo dei Colli Berici (Vicenza – NE Italia)

S. Tasinazzo

Gruppo di Studi Naturalistici “Nisoria”, c/o Museo Naturalistico-Archelogico, Contra’ S. Corona 4, I-36100 Vicenza; e-mail: stefano.tasinazzo@tin.it

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abstract

The segetal vegetation of wheat and barley fields of Colli Berici (Vicenza, north-eastern Italy). A phytosociological study of the segetal vegetation of wheat and barley fields of Berici Hill is presented. Two associations were detected: Papaveretumapuli mostly spread in the plain and Euphorbio-Biforetum distributed only in the hill belt with two edaphic variants. The last is characterized by high rate of mediterranean species and interesting rare archaeophytes vanishing from both oceanic and continental temperate bioclimate. Changes in agronomic techniques have reduced the biodiversity of even local autumn-winter cereal flora especially in the plain. The numerical analysis shows that it is more suitable to refer the Alchemillo-Matricarietum described for the district during the sixties to the Papaveretum apuli.

keywords

Caucalidion, Berici Hills, NE-Italy, segetal vegetation, vegetation changes