Changes in agricultural practices represent one of themain causes of shift in species composition of arable plant communities. In particular, the intensification of agriculture going on worldwide since several decades led to heavy transformations of arable plant diversity. Basing on a study conducted in 1964 in Latium (central Italy), we re-surveyed the arable plant communities of 21 maize fields in order to assess the shifts that occurred over 50 years. The results showed a relevant decrease in the number of species (both in the total number and in the mean number per relevé), accompanied by a major species turnover. An increase in neophyte, wide-distribution, geophyte, C4 photosynthetic pathway, and monocot species was observed, while the incidence of insect-pollinated taxa decreased. The calculation of the mean Ellenberg indicator values per relevé showed an increase, in particular, of nutrients and moisture levels.

Shifts of arable plant communities after agricultural intensification. A floristic and ecological diachronic analysis in maize fields of Latium (central Italy) / Fanfarillo, Emanuele; Kasperski, Andrzej; Giuliani, Alessandro; Abbate, Giovanna. - In: BOTANY LETTERS. - ISSN 2381-8107. - 166:3(2019), pp. 356-365. [10.1080/23818107.2019.1638829]

Shifts of arable plant communities after agricultural intensification. A floristic and ecological diachronic analysis in maize fields of Latium (central Italy)

Fanfarillo, Emanuele
;
Giuliani, Alessandro;Abbate, Giovanna
2019

Abstract

Changes in agricultural practices represent one of themain causes of shift in species composition of arable plant communities. In particular, the intensification of agriculture going on worldwide since several decades led to heavy transformations of arable plant diversity. Basing on a study conducted in 1964 in Latium (central Italy), we re-surveyed the arable plant communities of 21 maize fields in order to assess the shifts that occurred over 50 years. The results showed a relevant decrease in the number of species (both in the total number and in the mean number per relevé), accompanied by a major species turnover. An increase in neophyte, wide-distribution, geophyte, C4 photosynthetic pathway, and monocot species was observed, while the incidence of insect-pollinated taxa decreased. The calculation of the mean Ellenberg indicator values per relevé showed an increase, in particular, of nutrients and moisture levels.
2019
alien species; arable flora; bioindication; biodiversity loss; intensive agriculture; neophytes; weeds; Zea mays
01 Pubblicazione su rivista::01a Articolo in rivista
Shifts of arable plant communities after agricultural intensification. A floristic and ecological diachronic analysis in maize fields of Latium (central Italy) / Fanfarillo, Emanuele; Kasperski, Andrzej; Giuliani, Alessandro; Abbate, Giovanna. - In: BOTANY LETTERS. - ISSN 2381-8107. - 166:3(2019), pp. 356-365. [10.1080/23818107.2019.1638829]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1303660
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