Periodic Reporting for period 1 - Cyanolichens (Genetic diversity of cyanobacterial symbionts of lichens and of free-living populations of Nostoc in biological soil crust communities of threatened alvar grasslands)

In Northern Europe habitat loss threatens not only pristine natural habitats (e.g. old-growth forests, dune environments) but also semi-natural habitat types, including calcareous grasslands (alvars). For instance, the gradual cessation of traditional land use practices...