Download Evaluation of the dynamics of spontaneous vegetation biodiversity in

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
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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
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CANOCO 4.5 for Windows
&
Braun-Blanquet scale
&
CanoDraw
(Braun-Blanquet, 1964)
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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)
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