1. Latitudinal variation in ecological opportunity and intraspecific competition indicates differences in niche variability and diet specialization of Arctic marine predators. Issue 6 (14th February 2016) Authors: Yurkowski, David J.; Ferguson, Steve; Choy, Emily S.; Loseto, Lisa L.; Brown, Tanya M.; Muir, Derek C. G.; Semeniuk, Christina A. D.; Fisk, Aaron T. Journal: Ecology and evolution Issue: Volume 6:Issue 6(2016:Apr.) Page Start: 1666 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗