Population growth is limited by nutritional impacts on pregnancy success in endangered Southern Resident killer whales (Orcinus orca) Wasser, Samuel K. ; Lundin, Jessica I. ; Ayres, Katherine ; Seely, Elizabeth ; Giles, Deborah ; Balcomb, Kenneth ; Hempelmann, Jennifer ; Parsons, Kim ; Booth, Rebecca Abstract Publication: PLoS ONE Pub Date: June 2017 DOI: 10.1371/journal.pone.0179824 Bibcode: 2017PLoSO..1279824W