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Phylogeny and evolution of the epiphytic Rhipsalideae (Cactaceae)
(2012-01-11)
Cactaceae are one of the major floristic components of the New World’s arid as well as seasonally moist tropical regions and at the same time one of the most popular plant families in horticulture. The taxonomic units ...
Kontrollierte haptotrope Umlagerungen von Chrom-Aren-Komplexen mit erweiterten π-Systemen: Aromatische Systeme mit acyclischer π-Brücke und Polyzyklische kondensierte aromatische Systeme
(2012-01-11)
Im Rahmen der vorliegenden Arbeit wurden haptotrope Metallumlagerungen von Tricarbonylchrom-Aren-Komplexen mit ausgedehnten π-Liganden untersucht. Ein Schwerpunkt lag dabei in der Untersuchung der Umlagerung entlang einer ...
Ecology and population status and the impact of trophy hunting of the leopard Panthera pardus (LINNAEUS, 1758) in the Luambe National Park and surrounding Game Management Areas in Zambia
(2012-01-11)
In this study that was carried out in Zambia, population size and density, diet, activity pattern and habitat use of leopards (Panthera pardus) were studied in Luambe National Park (LNP) and a bordering Game Management ...
Funktionsmorphologische Veränderungen und Funktionalitätserhaltung in bunodonten, selenodonten und secodonten Gebissen
(2012-01-06)
Innerhalb der Mammalia haben sich verschiedenste Gebisstypen entwickelt. Die Ausbildung von scherenden, schneidenden und quetschenden Oberflächenstrukturen auf der postcaninen Zahnreihe macht die Säugetierbezahnung zu einem ...
Multiscale Analysis of Adaptive Population Dynamics
(2012-01-11)
In this thesis we study a spatial population model based on a class of interacting locally regulated branching processes. The results consist of three parts which are independent of each other. The first part, which is the ...
Gas Electron Multipliers: Development of large area GEMS and spherical GEMS
(2012-01-06)
Gaseous radiation detectors have been a crucial part of high-energy physics instrumentation since the 1960s, when the first multiwire proportional counters were built. In the 1990s the first micropattern gas detectors ...
Rainforest change analysis in Eastern Africa: A new multisourced, semi-quantitative approach to investigating more than 100 years of forest cover disturbance
(2012-01-11)
Forest change and disturbance of the past strongly influence the state of today’s forests and their biodiversity. However, knowledge of former forest landscape states can be subject to misunderstanding and the practical ...
Long bone histology of basalmost and derived Sauropodomorpha: the convergence of fibrolamellar bone and the evolution of giantism and nanism
(2012-01-11)
This study reports on long bone histology and growth in sauropodomorph dinosaurs. Derived members of Sauropodomorpha, the sauropods, were the largest terrestrial animals our planet has ever seen. New methods have recently ...
The “Atelocerata” – A vanishing hypothesis?: Molecular phylogeny of arthropods with focus on primary wingless hexapods
(2012-09-05)
Arthropods encompass more than three quarters of all described living species. Among arthropods, hexapods are the most abundant group and show an enormous diversity. To understand evolutionary processes of and within ...
Modeling Visit Potential of Geographic Locations Based on Mobility Data
(2012-05-07)
Every day people interact with the environment by passing or visiting geographic locations. Information about such entity-location interactions can be used in a number of applications and its value has been recognized by ...