Tom 4 2011

abcm4

The vascular plant flora of peatlands submitted to anthropic pressure in the Równina Błot Przymorskich
microregion and the Płutnica river valley (the Pobrzeże Kaszubskie region, N Poland)

Flora roślin naczyniowych siedlisk torfowych Równiny Błot Przymorskich i Pradoliny Płutnicy (Pobrzeże Kaszubskie, Polska Północna) w warunkach antropopresji

Agnieszka Sadowska

Laboratory of Geobotany and Nature Conservation, Department of Plant Taxonomy and Nature Conservation, University of Gdańsk, ul. Wita Stwosza 59, 80-308, Gdańsk – Oliwa, e-mail: bioabud@univ.gda.pl

ABSTRACT: The main purpose of the work was to recognize the features of flora in ecologically differentiated mires which have been submitted to long-term human pressure. The research was conducted within the eastern part of the Pobrzeże Kaszubskie region (N Poland). Contemporary flora was recorded in 1997-2004. The floristic list was completed with all data from former research. There were 958 species recorded in the total flora, while 93 among them became locally extinct. The main tendencies in mire flora transformation are: a rise in floristic diversity; a small percentage of mire species; a large
proportion of synanthropic species, plants of wide ecological amplitude, meadow species and forest species; a large share of terophytes and phanerophytes and the presence of geographically alien species in flora. Nowadays the flora of bog and fen habitats is quite similar in regard to its ecological and biological structure, but it has still some unique features connected to primary ecological type of mire.

KEYWORDS: mire, human pressure, extinction, threatened species

SADOWSKA A. 2011. The vascular plant flora of peatlands submitted to anthropic pressure in the Równina Błot Przymorskich microregion and the Płutnica river valley (the Pobrzeże Kaszubskie region, N Poland) – Flora roślin naczyniowych siedlisk torfowych Równiny Błot Przymorskich i Pradoliny Płutnicy (Pobrzeże Kaszubskie, Polska Północna) w warunkach antropopresji. – Acta Bot. Cassub., Monogr. 4: 1–166. – PDF