Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 6 of 6 for “"Gliederfüßer"”.
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The effect of native forest dynamics upon the arrangements of species in oak forests-analysis of heterogeneity effects at the example of epigeal arthropods
The heterogeneity in species assemblages of epigeal spiders was studied in a natural forest and in a managed forest. Additionally the effects of small-scale microhabitat heterogeneity of managed and unmanaged forests were determined by analysing the spider assemblages of three different …
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Crystallographic texture of the arthropod cuticle using synchrotron wide angle X-ray diffraction
Arthropods, which include the crustaceans (e.g. crabs, lobsters, isopods), insects, arachnids (e.g. spiders, scorpions, ticks, mites), and several lesser groups, account for approximately 80 percent of all known animal species. The outer covering of these animals is referred to as exoskeleton or …
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Effekte des Anbaus von Bt-Mais auf Nichtzielarthropoden der Krautschichtfauna : Monitoringorganismen und praktikable Erfassungsmethoden
A 3-year study (2001-2003) was conducted to determine possible unintended effects of Bt-maize (Mon810, cultivar Novelis) cultivation on nontarget organisms of the arthropod community compared with an isogenic maize line (cultivar Nobilis) with and without an insecticide treatment. Furthermore, …
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Microstructure and mechanical properties of the exoskeleton of the lobster Homarus americanus as an example of a biological composite material
The main focus of this study was the characterization of a mineralized biological tissue with respect to its microstructure and mechanical properties using the cuticle or shell of the American lobster as a novel model material. The cuticle of the lobster Homarus americanus is a nano-composite …
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Comparative neuroanatomy within the context of deep metazoan phylogeny
Comparative invertebrate neuroanatomy has seen a renaissance in recent years. Highly conserved neuroarchitectural traits offer a wealth of hitherto largely unexploited characters that can make valuable contributions in inferring phylogenetic relationships in cases where phylogenetic analyses of …
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Ultrastructure and functional morphology of adhesive organs and anti-adhesive plant surfaces
Animals have evolved different adhesive structures on their legs to adhere on to a wide variety of substrates during locomotion. But some plant surfaces have evolved structures that hamper the attachment of animals. Knowledge of morphology, ultra-structure, surface structure and physical properties …