Biology of Polar Regions - Thomas, D.N. (, University of Wales, Bangor, UK) a Fogg, G.E. (, University of Wales, Bangor, UK. Deceased 2005) a Convey, P. (, British Antarctic Survey, Cambridge, UK) a Fritsen, C.H. (, Desert Research Institute, Nevada, USA) a Gili, J.-M. (, Institut de Cienc