Vegetation ecology of forest-savanna ecotones in the Comoé National Park (Ivory Coast): Border and ecotone detection, core-area analysis, and ecotone dynamics Dissertation zur Erlangung des akademischen Grades Doctor rerum naturalium (Dr. rer. nat.) der Mathematischen-Naturwissenschaftlichen Fakultät der Universität Rostock Institut für Biowissenschaften (IfBI) Abteilung Allgemeine und Spezielle Botanik vorgelegt von Klaus Josef Hennenberg, geb. am 18.12.1970 in Münster (Westf.) aus Rostock Rostock, 17.12.2004
1.2 Biomass and surface fires along forest-savanna ecotones
1.3 Microclimate along forest-savanna ecotones
1.4 Vegetation composition along forest-savanna ecotones
1.5 Core-area analysis
2 Material and Methods
2.2 Sampling design
2.3.2 Sampling of tree and shrub individuals
2.3.3 Density measurement of tree and shrub individuals
2.3.4 Sampling of surface biomass
2.4 Sampling of abiotic parameters
2.4.1 Microclimatic parameters
2.5 Border-and-ecotone-detection analysis (BEDA) for univariate
transect data
2.6 Statistical analysis
2.6.3 Microclimate
3 Results
3.3 Seasonal variability in microclimatic borders and
ecotones
3.4 Border and ecotone detection by means of vegetation
composition
3.5 Core-area analysis
3.6 Size-class distribution of tree species with a focus on
Anogeissus leiocarpus
4 Discussion
4.1.1 Border-and-ecotone detection analysis (BEDA) for univariate
transect data
4.1.2 SMWDA and MWRA for multivariate transect data
4.2 Relation of surface biomass and surface fire
4.3 Seasonal variability in microclimatic borders and
ecotones
4.4 Border and ecotone detection by means of vegetation
composition
4.5 Core-area analysis
4.6 Dynamics of forest-savanna ecotones and the role of Anogeissus
leiocarpus
5 Conclusions