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Book of Abstracts Masaryk University 17th International Workshop European Vegetation Survey Using phytosociological data to address ecological questions 1-5 May 2008 Masaryk University, Brno, Czech Republic Abstracts and Excursion Guides Edited by Milan Chytrý Excursion Guides by Ji ří Danihelka, Milan Chytrý, Jan Role ček and Vít Grulich Brno 2008 Programme Committee Milan Chytrý (Brno, CZ) Ladislav Mucina (Stellenbosch, ZA) Sandro Pignatti (Rome, IT) John S. Rodwell (Lancaster, UK) Joop H. J. Schaminée (Wageningen, NL) Lubomír Tichý (Brno, CZ) Local Organizers Iva Adamová Stanislav N ěmejc Jana Božková Zdenka Otýpková Magdaléna Chytrá Barbora Pelánková Milan Chytrý Karla Pet řívaldská Ji ří Danihelka Jan Role ček Markéta Fránková Ji ří Rozehnal Michal Hájek Marcela R ůži čková Eva Hettenbergerová Lucia Sekulová Lucie Jarošová Deana Simonová Št ěpánka Králová Lubomír Tichý Ching-Feng (Woody) Li Irena Veselá Zde ňka Lososová Marie Vymazalová Kristina Merunková David Zelený Lydie Navrátilová Organized and sponsored by Faculty of Science, Masaryk University, Brno (Vegetation Science Group, Mire Ecology Group and Department of Botany and Zoology) Faculty of Education, Masaryk University, Brno (Department of Biology) Secretariat Št ěpánka Králová, Department of Botany and Zoology, Masaryk University Kotlá řská 2, CZ-611 37 Brno, Czech Republic, e-mail: [email protected] http://botzool.sci.muni.cz/EVS/ © Masaryk University, Brno, 2008 ISBN 978-80-210-4585-9 Contents Abstracts ................................................................................................................ 4 List of participants .............................................................................................. 151 Excursions guides Pavlov Hills .................................................................................................... 161 Pouzdřany Steppe and Kolby Forest .............................................................. 183 Podyjí National Park ...................................................................................... 189 Practical information .......................................................................................... 212 Author index ....................................................................................................... 218 17th International Workshop European Vegetation Survey, Brno, 1–5 May 2008 3 Remote sensing of plant communities of Failaka Island, Kuwait Ghanim A. Abbadi 1 , Hala Al-Gassar 2 , Mohamed A. El-Sheikh 3 & Sandro Pignatti 4 1Biological Science Department, Faculty of Science, Kuwait University, Kuwait; 2Physics Department, Faculty of Science, Kuwait University, Kuwait; 3Botany Department, Faculty of Science, Al Azhar University (Assuit Branch), Assuit, Egypt; 4Department of Plant Biology, Sapienza University of Rome, Roma, Italy LandsatTM imagery was applied at a regional scale to Failaka Island vegetation in Kuwait. We produced a map showing 12 clearly differentiated land-cover or vegetation types, and described the composition and structure of five major plant communities on an area of about 48 km 2. The use of LandsatTM images, a ground map and of the multivariate analysis of phytosociological data showed the potential of high accuracy mapping for land-cover or vegetation types on the study area. The results highlighted the utility of combining the satellite imagery and field data in arid regions, which is a very promising approach where other ancillary data are not available and a rapid acquisition of reliable vegetation data is required. This approach could be the starting point for an imperative and more extensive classification and mapping of the regions. 4 17th International Workshop European Vegetation Survey, Brno, 1–5 May 2008 Adventization and invasibility of habitats in the Bashkortostan Republic Larisa Abramova Botanical Garden-Institute, Ufa Scientific Centre, Russian Academy of Sciences, Ufa, Russia During recent decades there was an active adventization process in the Bashkortostan Republic as well as in other regions of Russia. About 300 adventitious species (17% of total flora) are recorded in the Bashkortostan flora. Over 180 species are neophytes, i.e. species that appeared on the territory of Bashkortostan in the last century. Annually about two new foreign species are found in Bashkortostan. According to our data 25 species are likely to be considered invasive, among them those of the genus Ambrosia, Cyclachaena xanthiifolia, Hordeum jubatum, Echinocystis lobata, Impatiens glandulifera, Conyza canadensis, Oenothera biennis and Bidens frondosa . Besides, about 40 adventitious species are potentially considered to be invasive. Any vegetation community possesses some potential of invasibility or openness to the invasion of new species (Johnstone 1986). However, this parameter, which reflects the openness of community and presence of free plots in it, strongly varies. The resistance of abiotic and biotic environment reduces this parameter and raises the presence of available resources (Davis et al. 2000). Elton (1960) emphasized that the main reason of active spread of adventitious species is anthropogenic disturbance of ecosystems. According to our synanthropization and adventization level analysis of the main vegetation types of the Bashkortostan Republic (Abramova 2007), ecosystems of the Republic are a scene of active process of anthropogenic vegetation transformation, which results in various types of synanthropic communities from adventitious and native synanthropic species. Thus along with communities of synanthropic classes ( Secalietea, Chenopodietea, Bidentetea tripartitae, Artemisietea vulgaris, Robinetea ) rather high level of invasibility is noted for communities of several types of natural vegetation, such as meadows (cl. Molinio- Arrhenatheretea ), river valleys, ravine complex. Steppe communities (cl. Festuco- Brometea ) are more stable to introduction of synanthropic species, but at strong grazing even they can be open for invasions. Communities of high mountains have a high abiotic barrier; they can be considered as resistant to invasions, as well as many forest communities (classes Querco-Fagetea, Vaccinio-Piceetea, Brachypodio-Betuletea ), with an exception of floodplain forests. Several types of mountain meadows and forest edges (class Trifolio-Geranietea ) are also resistant. 17th International Workshop European Vegetation Survey, Brno, 1–5 May 2008 5 From agrophytocoenoses to thickets and woods: vegetation changes after the cessation of anthropopressure Artur Adamczak Research Institute of Medicinal Plants, Pozna ń, Poland; Department of Plant Ecology and Environmental Protection, Adam Mickiewicz University, Pozna ń, Poland Plant succession on synanthropic sites after the cessation of direct human impact causes significant changes in the floristic structure of vegetation in short time. Character and scale of these changes can be captured on the basis of comparison of agrophytocoenoses and thickets and woods, which spontaneously developed in similar habitat conditions on neighbouring abandoned fields or under electric poles (pylons). In the analysis, 85 phytosociological relevés (made according to the Braun- Blanquet approach) were used. Field investigations were carried out in 2002–2005 in the city of Pozna ń and its surroundings (western Poland). They documented agrophytocoenoses as well as Sambucus nigra -dominated thickets and woods with Acer platanoides or Betula pendula situated near them. These investigations have shown that on the abandoned fields the spontaneous development of vegetation can initiate renaturalization of the plant cover already after 5–10 years of the secondary succession. This process found the strongest expression in the spectrum of life forms and geographic-historical groups of plants. The number of therophytes in the documented thickets and woods, as compared to that of agrophytocoenoses, diminished only of about 3–5 species, whereas their cover decreased significantly (from 58–79% to 1–4%). In these thickets and woods the number of hemicryptophyte species increased even 10–11 times and their share in the floristic list 2–5 times. The spectrum of life forms in the newly formed communities approached to that typical for Central Europe, where hemicryptophytes constitute about a half of all species. Among geographic-historical groups of species in the documented thickets and woods native plants definitely predominated. They constituted about 70–80% of species and they had over 90% of the share in the plant cover. In woods that have overgrown the abandoned fields the number of spontaneophytes increased even 3– 4 times and the share of them in the plant cover grew up 2–3 times (as compared to agrophytocoenoses). On abandoned land species richness of vegetation grew up. In the Acer platanoides and Betula pendula woods the number of species was twice as high as on the examined fields. The changes of species richness on the 5–10 years old fallow land were manifested in the increase of the number of perennial plant species (especially hemicryptophytes and phanerophytes, to some degree also geophytes) while the number of species of short-lived plants (therophytes) decreased insignificantly. 6 17th International Workshop European Vegetation Survey, Brno, 1–5 May 2008 Plant community heterogeneity deriving from abiotic and grazing impacts in wetlands Ahmed Aidoud, Anne Bonis, Amandine Merlin, Benoit Marion & Jan-Bernard Bouzillé UMR Ecobio, University of Rennes, Rennes, France Phytosociological descriptions
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