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Transcript
Evaluation of the dynamics of spontaneous vegetation biodiversity in fast-growing energy plantations and identify ecological and socio-economic importance of spontaneously occurring plants. M.Sc. Michal BENIAK Department of Sustainable Development Supervisor: Assoc. Prof. Dr. Alexander FEHÉR Study program: Environmental management Structure of the presentation Introduction The objective of the thesis Material & Methods Conclusions from spring aspect The reason why this research is needed Council Decision 2002/358/EC I N T R O D U C T I O N Bioenergy renewable energy source SRC plantations Impact on components of environment Impact on biodiversity and ecosystem functions The objectives of the thesis The analysis of biological diversity spontaneous vegetation in plantations of energy crops (hybrids of the genera Salix & Populus). Material and methods Research area & experimental plots Research site in Kolinany 7 experimental plots (Gudrun, Inger, Sven, Tora, Tordis, LA, Pegaso) Two weeks intervals Floristic assessment of vegetation and data analysis M A T E R I A L CANOCO 4.5 for Windows & Braun-Blanquet scale & CanoDraw (Braun-Blanquet, 1964) M E T H O D S α-diversity β-diversity Ecological & socio-economic assessment (Jurko 1990, Ellenberg 1992) Conclusions from spring aspects Ruderal & synantrophic Highest = Tora (27 S) Lowest = LA (13 S) species composition Gudrun vs. Sven invasive plants Tora (genus Salix) LA (ganus Populus) Pegaso (gen. Populus) Aster novi-belgi agg. Requirements to a specific variety The affinity of the detected species of herbaceous undergrowth to the each of observed varietes of genus Salix and Populus in the spring aspect by means of PCA ordination diagram (1-Sven, 2-Tordis, 3-Gudrun, 4-Tora, 5-Inger, 6-LA, 7-Pegaso) THANK YOU FOR YOUR ATTENTION