REFERENCES

[1] Ford JKB, Ellis GM, Olesiuk PF, Balcomb KC. Linking killer whale survival and prey abundance: food limitation in the oceans’ apex predator? Biol Lett. 2010;6: 139–142. doi:10.1098/rsbl.2009.0468

[2] Ford MJ, Hempelmann J, Hanson MB, Ayres KL, Baird RW, Emmons CK, et al. Estimation of a Killer Whale (Orcinus orca) Population’s Diet Using Sequencing Analysis of DNA from Feces. PLOS ONE. 2016;11: e0144956. doi:10.1371/journal.pone.0144956

[3] Osborne R. A Historical ecology of Salish Sea “resident” killer whales (Orcinus orca): with implications for management. Thesis. 1999. Available: https://dspace.library.uvic.ca//handle/1828/9090

[4] Parsons KM, Balcomb KC, Ford JKB, Durban JW. The social dynamics of southern resident killer whales and conservation implications for this endangered population. Anim Behav. 2009;77: 963–971. doi:10.1016/j.anbehav.2009.01.018

[5] Hauser D, Logsdon M, Holmes E, VanBlaricom G, Osborne R. Summer distribution patterns of southern resident killer whales Orcinus orca: core areas and spatial segregation of social groups. Mar Ecol Prog Ser. 2007;351: 301–310. doi:10.3354/meps07117

[6] Watson J, Joy R, Tollit D, Thornton SJ, Auger-Méthé M. A general framework for estimating the spatio-temporal distribution of a species using multiple data types. ArXiv191100151 Stat. 2019. Available: http://arxiv.org/abs/1911.00151

[7] Ford JKB. Vocal traditions among resident killer whales (Orcinus orca) in coastal waters of British Columbia. Can J Zool. 1991;69: 1454–1483. doi:10.1139/z91-206

[8] Riesch R, Ford JKB, Thomsen F. Stability and group specificity of stereotyped whistles in resident killer whales, Orcinus orca, off British Columbia. Anim Behav. 2006;71: 79–91. doi:10.1016/j.anbehav.2005.03.026

[9] Krahn MM, Wade PR, Kalinowski ST, Dahlheim ME, Taylor BL, Hanson MB, et al. Status Review of Southern Resident Killer Whales (Orcinus orca) under the Endangered Species Act. 2005; 159.

[10] Lacy RC, Williams R, Ashe E, Balcomb Iii KC, Brent LJN, Clark CW, et al. Evaluating anthropogenic threats to endangered killer whales to inform effective recovery plans. Sci Rep. 2017;7: 14119. doi:10.1038/s41598-017-14471-0

[11] Vélez-Espino LA, Ford JKB, Araujo HA, Ellis G, Parken CK, Sharma R. Relative importance of chinook salmon abundance on resident killer whale population growth and viability. Aquat Conserv Mar Freshw Ecosyst. 2015;25: 756–780. doi:10.1002/aqc.2494

[12] Ward E, Ford M, Kope R, Ford J, Velez-Espino A, Parken C, et al. NOAA Technical Memorandum NMFS-NWFSC-123. Estimating the Impacts of Chinook Salmon Abundance and Prey Removal by Ocean Fishing on Southern Resident Killer Whale Population Dynamics. Popul Dyn. 2013; 85.

[13] Mongillo TM, Ylitalo GM, Rhodes LD, O’Neill SM, Noren DP. Exposure to a mixture of toxic chemicals: implications for the health of endangered southern resident killer whales. 2016. doi:10.7289/V5/TM-NWFSC-135

[14] Veirs S, Veirs V, Wood JD. Ship noise extends to frequencies used for echolocation by endangered killer whales. PeerJ. 2016;4: e1657. doi:10.7717/peerj.1657

[15] Houghton J, Holt MM, Giles DA, Hanson MB, Emmons CK, Hogan JT, et al. The Relationship between Vessel Traffic and Noise Levels Received by Killer Whales (Orcinus orca). PLOS ONE. 2015;10: e0140119. doi:10.1371/journal.pone.0140119

[16] Lusseau D, Bain DE, Williams R, Smith JC. Vessel traffic disrupts the foraging behavior of southern resident killer whales Orcinus orca. Endanger Species Res. 2009;6: 211–221. doi:10.3354/esr00154

[17] Joy R, Tollit D, Wood J, MacGillivray A, Li Z, Trounce K, et al. Potential Benefits of Vessel Slowdowns on Endangered Southern Resident Killer Whales. Front Mar Sci. 2019;6. doi:10.3389/fmars.2019.00344