Bulletin SBS, ročník 34, č. 1/2012
Správa o činnosti Slovenskej botanickej spoločnosti v roku 2011
Annual report of the Slovak Botanical Society for 2011
s. 3–10
Diverzita fytoplanktónu rybníka v Devínskej Novej Vsi v Bratislave
Diversity of the phytoplankton of a fishpond at Devínska Nová Ves (Bratislava, W Slovakia)
s. 11–18
Abstract: Species composition of the phytoplankton of a small fishpond at Devínska Nová Ves (Bratislava, W Slovakia) in 2007–2011 is presented. Altogether 12 genera with 15 species of
cyanophytes and 100 genera with 247 species and 16 infraspecific taxa of different groups of microscopic algae were identified. One cyanophyte species, Anabaena cylindrica Lemmermann,
one diatom Caloneis fontinalis (Grunow) Lange-Bertalot et Reichardt, and one green flagellate Eudorina cylindrica Korshikov, are first records for the territory
of the Slovak Republic. In contrast to the other eutrophic fishponds in Slovakia, where cyanobacteria and green algae are usually predominating namely in summer and autumn,
the investigated fishpond has been almost all veget-ational seasons characteristized by the strong dominance of centric diatoms, and only
occasionally by green flagellates (Chlamydomonas simplex, Eudorina morum, Pleodorina californica).
Keywords: algae, Bratislava, cyanobacteria, fishponds, phytoplankton, Slovakia.
Aktuálne poznatky o výskyte niektorých zriedkavejších cievnatých rastlín na území stredného Slovenska
Current knowledge about the occurrence of some rare vascular plants from the territory of central Slovakia
s. 19–44
Abstract: The study presents new data on the current occurrence of selected plants, revises historical and current localities,
comments ecologically unusual occurrence and altitudinal maxima in the central Slovakia. Some aspects of chorology,
ecology, threat and coenology of the species are discussed. Annotated list comprises altogether 87 taxa that were recorded during
the field survey in 2005–2011. Red-listed species fall into these categories: 1 critically endangered , 11 endangered, 25 vulnareable,
10 lower risk and 1 data deficient species. From phytogeographical point of view the most interesting findings are those of Botrychium lunaria, Bupleurum affine, Carex elongata,
Epipactis palustris, E. ×schulzei, E. tallosii, Gagea minima, Galeopsis bifida, Geranium rotundifolium, Hesiodia montana, Lithospermum arvense,
Matteuccia struthiopteris, Peucedanum palustre, Polycnemum arvense, Primula ×media and Veronica verna.
We propose to assign Galium pumilum in IUCN category data deficient (DD) since there is only a little reliable information on its distribution. We also present a
phytosociological relevé of Mentho pulegioidis-Pulicarietum vulgaris Slavnić 1951, an association very scarcely reported from Slovakia.
Keywords: chorology, floristic survey, endangered species, Western Carpathians.
Chorologické, ekologické a fytocenologické poznámky k výskytu ostrice vláskovitej (Carex capillaris) na slatinách severného Slovenska
Chorological, ecological and phytosociological notes on the occurrence of Hair-like Sedge (Carex capillaris) in fens of northern Slovakia
s. 45–56
Abstract: Carex capillaris occurs as a member of subalpine vegetation in some mountains on the Slovak territory. Most data come from the Belianske Tatry Mts. There are also rare older
records from the foothills, reported from calcareous fens in the Spišská kotlina Basin. Currently, the species was found in the foothills of the Nízke Tatry
Mts and in the Muránska planina Plateau. In this paper, we publish five phytosociological relevés sampled on recently found localities in the Slovenský raj Mts,
Nízke Tatry Mts, Liptovská kotlina Basin and Spišská kotlina Basin. We confirmed the occurrence of the species in typically developed growths of the Caricetum davallianae
association. In addition, Carex capillaris was present in the peripheral parts of the fens, where the species composition is transitional towards Molinion caerulae
meadow communities. At present, 12 fen localities of the species are known in northern Slovakia.
Keywords: Caricetum davallianae, Cyperaceae, ecological requirements, endangered, Molinion.
NPR Rakšianske rašelinisko: stav druhovej a vegetačnej diverzity r. 2011
NNR Rakšianske rašelinisko: condition of species and vegetation diversity in the year 2011
s. 57–64
Abstract: The species composition and the uniqueness of vegetation types confirm the significance of ecologically definite refugium of an
alkaline fen in the Natural Nature Reserve Rakšianske rašelinisko. Presented results evaluate both historical and current data on the presence
of plant species and vegetation diversity, considering evolution of the whole ecological complex.The site is
characterised by big quantity of individuals in several relic populations of vascular plants (Drosera anglica, Carex umbrosa).We document a plant community of the alliance Molinion covering large area
and featuring peculiar structure in Slovakia – significantly high cover of Carex umbrosa, hence not reported so far within the alliance Molinion.
Keywords: alkaline fen, Carex umbrosa, Drosera anglica, Utricularia minor.
Katastrálne územie obce Vyhne – významné územie vstavačovitých rastlín v Štiavnických vrchoch
Cadastral district of the village Vyhne – an important territory with ocurrence of orchid flora within the area of Štiavnické vrchy Mts
s. 65–73
Abstract: The list of localities of the members of Orchidaceae in the cadastral district of the village of Vyhne (Štiavnické vrchy Mts)
recorded in 2006–2011 is presented. Altogether 28 taxa and 1 nothospecies were found. Dactylorhiza fuchsii subsp. sooiana, Epipactis futakii, Epipactis muelleri, Epipactis neglecta, Epipactis pontica, Epipactis purpurata, Limodorum abortivum, Neotinea ustulata subsp. aestivalis, Orchis pallens, Orchis purpurea, Platanthera bifolia subsp.
latiflora (11 taxa) and nothospecies Epipactis ×reinekei are published from this area for the first time.
Keywords: distribution, Orchidaceae, Slovakia.
Krovinová vegetácia z hľadiska hemeróbie na príklade Borskej nížiny a predhoria Malých Karpát
Shrubby vegetation with respect to hemeroby in the Borská nížina Lowland and the foothills of the Malé Karpaty Mts
s. 75–86
Abstract: The shrubby and woody stands in the human affected landscape have been studied. Gradient from semi-natural shrubby habitats along forests in foothills
of Malé Karpaty Mts to agricultural land and settlements at Borská nížina Lowland showed a gradual transition from poly-hemerobic to eu-hemerobic habitats with increased ratio of
anthropophytes. Typical municipal stands with Lycium barbarum and Negundo aceroides reflect the highest level of anthropogenic impact. The danger of artificial distribution of neophyte shrubs
into landscape e.g. slopes along highways is also discussed.
Keywords: hemeroby, human impact, Rhamno-Prunetea, Robinietea, Slovakia.
Výsledky analýzy rastlinných makrozvyškov z výplne paleomeandra Dunaja pri obci Vrakúň (Žitný ostrov)
Results of the analysis of plant macrofossil of the sedimentary fill of the Danube River palaeomeander (Vrakúň site, Žitný ostrov Island)
s. 87–101
Abstract: The paper presents results of a palaeobotanical study of the Danube River terrestrialised meander Vrakúň (Žitný ostrov Island, SW Slovakia). In total 1 470 diaspores separated from the
280 cm deep core contained mainly seeds of aquatic and marsh plant species, but also the charophyte oospores. Based on plant-macrofossil record supported by radiocarbon data,
four local analytical zones were distinguished in the studied core. After the meander abandonment around 510 BC,
local hydroseral succession started with the (1) initial calcareous, oligotrophic lake with algae, advanced through (2) eutrophic lake with aquatics and rich littoral vegetation into
the (3) lake overgrown with Typha or reed beds and 4. shallow open marsh with Cyperaceae, which have eventually developed into the current fen grasslands.
The study brings new data on past distribution of several species, which are currently listed as endangered, rare and protected (e. g. Cladium mariscus, Nymphaea alba, Nuphar lutea)
and elucidates a formation of local vegetation over the past millenia.
Keywords: aquatic plant, macrofossil record, palaeomeander, Slovakia.
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