ECOLOGY

Urban Ecology

• Ecology of walls
• Urban gradients
• Interactions between urban and rural environs

Landscape Ecology

• Fragmented landscapes in Central Europe
• Habitat fragmentation in Mediterranean landscapes
• Deforestations in Brazil

Ecosystem Analysis

• Scree slope ecosystems with air-conditioning effect
• Secondary man-made biotopes in Germany (clay and gravel pits, opencoast brown-coal mining, mining dumps etc.) - restoration ecology
• Invertebrate successions

Population Ecology

• Metapopulation concepts
• Population ecology of land and freshwater molluscs
• Population ecology of amphibians and reptiles in Germany

Polar Ecology

• Arthropods in Arctic regions

Tropical Ecology

• Land-use conflicts in Central and South America
• Tropical stingless bees in Brazil

BIOGEOGRAPHY

• Molecular zoogeography
• Endemism
• Extinction processes
• Invertebrate dispersal
• Areography of European amphibians
• Introduction and establishment of invertebrate neozoans in Central Europe
• Island biogeography of Mediterranean islands
• Terrestrial islands
• Distribution of land and freshwater molluscs in the Baltic States (Latvia, Estonia, Lithuania)

CONSERVATION BIOLOGY

• Minimum viable populations (MVP)
• Vulnerability analysis
• General conservation strategies
• Large-Scale conservation projects in Germany
• National parks / Biosphere reserves in East European Countries (Baltic States) and Russia (Far East)
• German conservation law
• Conservation in highly disturbed and used regions
• Urban conservation
• Biotopes management / networks
• Bioindication
• Public relation in conservation projects
• Conservation of endangered invertebrates