High Latitude Terrestrial and Freshwater Ecosystems: Interactions and Response to Environmental Change; Abisko, Sweden, 11–14 September 2007; Terrestrial and aquatic scientists took part in a workshop in Sweden to discuss cross-system linkages that strongly influence the structure and function of terrestrial and aquatic ecosystems, which effects may be altered by future environmental change. Sixty-five researchers, mainly from northern Europe and North America, attended the meeting.