Stenkewitz, Ute; Nielsen, Ólafur K.; Skirnisson, Karl; Stefánsson, Gunnar
(Public Library of Science (PLoS), 2016-11-21)
Populations of rock ptarmigan (Lagopus muta) in Iceland fluctuate in multiannual cycles with peak numbers c. every 10 years. We studied the ptarmigan-parasite community and how parasites relate to ptarmigan age, body condition, and population density. ...