Search for dissertations about: " lichens"
Showing result 21 - 25 of 59 swedish dissertations containing the word lichens.
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21. Disentangling Lecania
Abstract : This thesis focuses on phylogenetic, taxonomic, ecological, and conservation aspects of the crustose lichen genus Lecania (Ramalinaceae, lichenized Ascomycota). Lecania has previously been defined on basis of relatively few morphological characters, and the genus had never been treated in molecular phylogenies. READ MORE
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22. Distribution Patterns and Metapopulation Dynamics of Epiphytic Mosses and Lichens
Abstract : This thesis examines the relative importance of local conditions, dispersal and dynamics of the trees on epiphyte distribution patterns and colonization-extinction dynamics. Study species are the mosses Orthotrichum speciosum and O. obtusifolium, and the red-listed Neckera pennata. READ MORE
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23. Insights into the ecology and genetics of lichens with a cyanobacterial photobiont
Abstract : Nature conservation requires an in-depth understanding of the ecological processes that influence species persistence in the different phases of a species life. In lichens, these phases comprise dispersal, establishment, and growth. READ MORE
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24. Occurrence patterns of dead wood and wood-dependent lichens in managed boreal forest landscapes
Abstract : Dead wood is a key resource for biodiversity, on which thousands of forest organisms are dependent. Because of current forest management, there has been a large-scale change in dead wood amounts and qualities, and consequently, many wood-dependent species are threatened. READ MORE
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25. Foliicolous lichens. 1, A revision of the taxonomy of the obligately foliicolous, lichenized fungi
Abstract : .... READ MORE