acta societatis botanicorum poloniae - LV Zjazd Polskiego ...

55th Meeting of the Polish Botanical Society, Warsaw 2010
THE BEHAVIOUr OF ALIEN PLANTS IN THE COUrSE
OF SECONdArY SUCCESSION
Adamowski Wojciech1 , Bomanowska Anna2 . 1Warsaw University,
Białowieża Geobotanical Station, 19 Sportowa St., 17-230
Białowieża, Poland, w.adamowski@uw.edu.pl; 2University of
Łódź, Department of Geobotany and Plant Ecology, 12/16 Banacha
St., 90-237 Łódź, Poland, knopikaa@biol.uni.lodz.pl
The behaviour of geographically alien plants in the course of
secondary succession on an abandoned field in the Experimental
Garden of BGS, was analysed. Amongst 225 species
were found: 32 archeophytes and 31 kenophytes. Over 50%
of the archeophytes retreated early; after 6 years of observation.
Their cover decreased from 20% to 1.5%. Only 3 species
of vetches (Vicia angustifolia, V. hirsuta, V. tetrasperma) are
still thriving on the plot. The cover of kenophytes decreased
from 4% to zero in the fourth year of our observation and was
insignificant till year 19 of our observation. One herbaceous
kenophyte, Conyza canadensis had significant cover, but only
in the first year of the observation. The first woody kenophyte,
Pinus strobus, emerged in year 15 of the observation. In the
recent years the cover of kenophytes increased to 3%. At the
moment Crataegus, Cotoneaster and Padus serotina have the
highest cover in the herb layer. Three kenophytes (Malus domestica,
Prunus spinosa, Tilia platyphyllos) entered the shrub
layer. The different behaviour of archeophytes and kenophytes
is, at least partially, the result of the prevalence of different life
forms in these groups. All archeophytes are herbaceous, often
with short life spans, whereas 24 of 31 kenophytes are woody.
Despite the high share of alien species in the floristic list of the
investigated plot (lately about ¼ of all species) their cover does
not exceed 4%.
BIOLOGY ANd CONdITION OF A PrOLIFIC POPU-
LATION OF THE OrCHId listerA ovAtA L. ON
PYrZYCE LOWLANd (WESTPOMErANIAN VOIVOd-
SHIP)
Bacieczko Wanda, Gapska Marta, domanowska Anna.
Westpomeranian University of Technology, Departament of
Dendrology and Green Areas Management, 8 Janosika St.,
71-424 Szczecin, Poland, Wanda.Bacieczko@zut.edu.pl
In the forests of the Pyrzyce Lowlands located near Mechowo
and Lubiatowo there were rich stands of the orchid Listera ovata
L. established. The aim of the study was recognizing the phytocoenous
spectra of 2 populations of Listera ovata, defining its
numbers, spread pattern, and researching diversification in and
between populations based on biometric examination. During
the phytosociological releves research, it was found that Listera
ovata in the forest near Mechowo prefers sites of wet alder forests
and Betula pendula assemblage. However, in Lubiatowo it
developed in the assemblage of Fagus sylvatica and ash forest
with Ulmus minor. In the forest of Lubiatowo, on an approx.
18 ha area, there was 3953 specimens of the orchid found, including
3279 with fertile burgeon and 674 specimen in bloom.
In the forest in Mechowo, a population of 1800 specimens was
found (includning 1500 juvenile and 300 blooming burgeons).
Some interesting facts were assumed by biometric examination
of populations, presented by the poster. Populations of Listera
ovata L. require more specific research focused on expansion
in forest niches, located in the agricultural landscape of the
Pyrzyce Lowland.
32
THE INFLUENCE OF MANAGEMENT ON VArIETY
OF NON-FOrEST VEGETATION IN THE VICINITY OF
WoŁEK HILL IN tHE BESKID MAŁy (WESt CAR-
PATHIANS)
Barć Alicja, Babczyńska-Sendek Beata, Pielesz Agnieszka.
Silesian University, Department of Geobotany and Nature Protection,
28 Jagiellońska St., 40-032 Katowice, Poland, alicja.
barc@us.edu.pl, beata.babczynska-sendek@us.edu.pl, agnieszkapielesz@wp.pl
Wołek Hill is located at the outlet of the Soła river from the
Beskid Mały ravine. Geomorphological separatness and presence
of calcium carbonate in the soil made it an attractive
settlement point. A stronghold was built about 1350 at the top
of Wołek Hill. Cartographic documents from the middle of the
19th century and a map from 1934 showed the borders between
forests and green crops according to years. Studies on nonforest
vegetation in the vicinity of Wołek were made between
2008– 2009. The studies included a regularly mowed meadow
above the ruins, and not used non-forest vegetation at the base.
The studies showed that meadow patches on the slope are floristically
rich and represent the Cirsietum rivularis and the Arrhenatheretum
elatioris associations. The rarest species noted there
are Ophioglossum vulgatum and Orchis mascula. Moreover,
other protected plants occur: Cephalanthera longifolia (in ecotone),
Dactylorhiza majalis, Listera ovata and Primula elatior.
The vegetation of the hill base is represented by phytocoenoses:
Calamagrostietum epigeji, Caricetum gracilis, Phalaridetum
arundinaceae and Scirpetum sylvatici. Results of the studies
make evident the goal of extensive use of mountain meadows. It
is important for the maintenance of mesoregional biodiversity,
despite the fact that it is not profitable.
FLOrISTIC ANd PHYTOCOENOTIC dIVErSITY OF
PLANT COVEr VErSUS dEGrAdATION OF THE
NATUrAL ENVIrONMENT IN THE OLKUSZ OrES
rEGION (CrACOW – SILESIAN UPLANd, SOUTHErN
POLANd)
Błońska Agnieszka 1 , Holeksa Jan 2 , Jędrzejczyk-Korycińska
Monika 3 , Kompała-Bąba Agnieszka 1 , Nowak Teresa 3 ,
Woźniak Gabriela 1 , żywiec Magdalena 2 . 1 University of Silesia,
Department of Geobotany and Nature Protection, 28 Jagiellońska
St., 40-032 Katowice, Poland, agnieszka.blonska@
us.edu.pl; 2 Institute of Botany Polish Academy of Sciences,
46 Lubicz St., 31-512 Cracow, Poland; 3 University of Silesia,
Department of Plant Taxonomy, 28 Jagiellońska St., 40-032
Katowice, Poland
The studies were conducted in southern Poland, in one of several
ores areas connected with the exploitation and treatments
of lead and zinc ores. A transect 1 km wide and 8 km long was
set along a gradient of anthropopression from a smelting plant
(ZGH Bolesław) to agricultural land. In 1 km 2 squares all species
of vascular plants were recorded and vegetation patches
were mapped. Patches represented several types of vegetation
according to their syntaxonomic affiliation at the alliance
level. A strong relationship between species richness as well as
phytocoenotic richness and the intensity of anthropopressure
was found. In individual basic squares, from 98 to 215 species
were recorded. Surprisingly, the highest species diversity was
revealed in the areas most degraded and situated close to the
smelting plant and landfill. Species diversity was highly correlated
with phytocoenotic diversity expressed by density of
patches and the number of vegetation types. The studies were
supported by the EEA Financial Mechanism– project MF EOG
PL0265.