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Dynamika flory segetalnej wschodniej części Pojezierza Gnieźnieńskiego

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Chmiel J., Zakład Taksonomii Roślin U. i. A. M.

Acta Universitatis Lodziensis. Folia Botanica

1998

vol. 13

Wydano przy pomocy finansowej Uniwersytetu Łódzkiego oraz Komitetu Badań Naukowych

The present report describes changes in the species composition of the segetal flora during 143 years of geobotanical research. The analysis is based on historical sources of information and the author presents floristic releves were taken in the field. In the area 2114 km² of segetal habitats, 1795 floristic releves were taken, which enabled creating a collection of 37 391 floristic data possible. The work concerns a region that has been intensively colonized since the remotest time because it is the cradle of our statehood. At present it is an area of increased farm production. An attempt to define the synanthropodynamic state of the segetal flora in this area was made. Special attention was paid to directly endangered weeds (E) and potentially endangered weeds (PE).

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1 Acta Universitatis Lodziensis. Folia Botanica

1 1998

1 Chmiel J.

1 Zakład Taksonomii Roślin U. i. A. M.

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Dynamika flory segetalnej wschodniej części Pojezierza Gnieźnieńskiego