Zur Bedeutung von linearen Raumstrukturen für das Wanderverhalten und die Ausbreitung gebietsfremder Pflanzenarten im Ruhrgebiet
Channels, rivers, roads and railways are important pathways for the introduction and spread of nonnative vascular plants and furthermore biological invasions in Germany and Central Europe. The typical regional situation of the adventive flora of the Ruhr Basin among these linear corridors will be introduced and described, with a focus on the outlining of the involved taxa, their floristic status and establishing tendencies.