- Data from: Between-year changes in community composition shape species' roles in an Arctic plant-pollinator network(2018-01-30) Cirtwill, Alyssa R.; Roslin, Tomas; Rasmussen, Claus; Olesen, Jens Mogens; Stouffer, Daniel B.; Linköping University - Cirtwill, Alyssa R.; University of Helsinki - Roslin, Tomas; Aarhus University - Rasmussen, Claus; Aarhus University - Olesen, Jens Mogens; University of Canterbury - Stouffer, Daniel B.