The research activities of the museum are always closely based on the collections. Collection objects carry information in many ways. The individuals provide interesting information. Their morphology and fine structure can be studied using many different methods. The latest methods include procedures, which provide images, such as MRI or CT. These can be used to obtain information without damaging the objects. Depending on the fixation, it might also be possible to obtain tissue samples of organisms and DNA to acquire data on the molecular level.
On the other hand, collection objects represent evidence for changes in the fauna, extinction, immigration or displacement events. Therefore, collections are archives with a huge potential for scientific questions. Accordingly, the range of museum research also extends from pure documentation on changes in the fauna, to changes of species or populations, invasive species and their immigration history, to histological and functional-testing of structures and organs. In many studies, morphological and molecular techniques are combined in order to investigate, for example, phylogenetic questions or population biology problems from different angles. Thereby mechanisms of immigration and speciation over comparatively long periods of time – up to 200 years – can be documented and understood.

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