Ad Hoc Southern Resident Killer Whale Workgroup
The meeting is open to the public and is a work session for the primary purpose of reassessing the effects of the Council-area ocean salmon fisheries on the Chinook salmon prey base of Southern Resident Killer Whales (SRKW).
Background materials discussed at the May 23-24 meeting
Agenda item A: Administrative Items
National Marine Fisheries Service report on the Southern Resident killer whale ad hoc work group - April 2019
National Marine Fisheries Service report on Southern Resident killer whale endangered species consultation - April 2019
Agenda item B: Background on Southern Resident Killer Whales
Ayres, K.L., Booth, R.K., Hempelmann, J.A., Koski, K.L., Emmons, C.K., et al. (2012) Distinguishing the Impacts of Inadequate Prey and Vessel Traffic on an Endangered Killer Whale (Orcinus orca) Population. PLoS ONE 7(6): e36842. doi:10.1371/journal.pone.0036842
Fearnbach, H., Durban, J.W., Ellifrit, D.K., Balcomb, K.C. (2018) Using aerial photogrammetry to detect changes in body condition of endangered southern resident killer whales. Endang Species Res 35:175-180. https://doi.org/10.3354/esr00883
Ford, M.J., Hempelmann, J., Hanson, M.B., Ayres, K.L., Baird, R.W., Emmons, C.K., et al. (2016) Estimation of a Killer Whale (Orcinus orca) Population’s Diet Using Sequencing Analysis of DNA from Feces. PLoS ONE 11(1): e0144956. doi:10.1371/journal.pone.0144956
Hanson, M.B., Baird, R.W., Ford, J.K.B., Hempelmann-Halos, J. and others (2010) Species and stock identification of prey consumed by endangered southern resident killer whales in their summer range. Endang Species Res 11:69-82. https://doi.org/10.3354/esr00263
Hanson, M.B., Emmons, C.K., Ward, E.J. (2013) Assessing the coastal occurrence of endangered killer whales using autonomous passive acoustic recorders. The Journal of the Acoustical Society of America 134, 3486 (2013); https://doi.org/10.1121/1.4821206
Hilborn, R., Cox, S.P., Gulland, F.M.D., Hankin, D.G., Hobbs, N.T., Schindler, D.E., Trites, A.W. (2012) The Effects of Salmon Fisheries on Southern Resident Killer Whales: Final Report of the Independent Science Panel. Prepared with the assistance of D.R. Marmorek and A.W. Hall, ESSA Technologies Ltd., Vancouver, B.C. for National Marine Fisheries Service (Seattle. WA) and Fisheries and Oceans Canada (Vancouver. BC).
Southern Resident killer whales (Orcinus orca) 5-year Review: Summary and evaluation. National Marine Fisheries Service, West Coast Region, Seattle, WA December 2016
Satterthwaite, W.H., Mohr, M.S., O'Farrell, M.R., Wells, B.K. (2013) A comparison of temporal patterns in the ocean spatial distribution of California central valley Chinook salmon runs. Canadian Journal of Fisheries and Aquatic Sciences, 2013, 70(4): 574-584, https://doi.org/10.1139/cjfas-2012-0395
Shelton, A.O., Satterthwaite, W.H., Ward, E.J., Feist, B.E., Burke, B. (2018) Using hierarchical models to estimate stock-specific and seasonal variation in ocean distribution, survivorship, and aggregate abundance of fall run Chinook salmon. Can. J. Fish. Aquat. Sci. 76: 95–108 (2019) dx.doi.org/10.1139/cjfas-2017-0204
Ford, J.K.B., Araujo, A., Velez-Espino, L.A., Ellis, G., Parken, C.K., Sharma, R. (2014) Relative importance of Chinook salmon abundance on resident killer whale population growth and viability. Aquatic Conservation: Marine and Freshwater Ecosystems. Published online in Wiley Online Library (wileyonlinelibrary.com). DOI: 10.1002/aqc.2494
Ward, E.J., Ford, M.J., Kope, R.G., Ford, J.K.B, Velez-Espino, L.A., Parken, C.K., LaVoy, L.W., Hanson, M.B., Balcomb, K.C. (2013) Estimating the impacts of Chinook salmon abundance and prey removal by ocean fishing on Southern Resident killer whale population dynamics. U.S. Dept. Commer., NOAA Tech. Memo. NMFS-NWFSC-123.
Ward, E.J., Holmes, E.E., Balcomb, K.C. (2009) Quantifying the effects of prey abundance on killer whale reproduction. Journal of Applied Ecology 2009, 46, 632–640 doi: 10.1111/j.1365-2664.2009.01647.x
Wasser, S.K., Lundin, J.I., Ayres, K., Seely, E., Giles, D., Balcomb, K., et al. (2017) Population growth is limited by nutritional impacts on pregnancy success in endangered Southern Resident killer whales (Orcinus orca). PLoS ONE 12(6): e0179824. https://doi.org/10.1371/journal.pone.0179824.
Weitkamp, L.A. (2010): Marine Distributions of Chinook Salmon from the West Coast of North America Determined by Coded Wire Tag Recoveries. Transactions of the American Fisheries Society, 139:1, 147-170. http://dx.doi.org/10.1577/T08-225.1
Agenda item C: Fisheries Interactions
Endangered Species Act section 7(a)(2) Biological Opinion and Magnuson-Stevens Fishery Conservation and Management Act Essential Fish Habitat response, Puget Sound, May 2019
Assessment of 2019 PFMC salmon fisheries on Southern Resident killer whales, presentation – Teresa Mongillo, Jeromy Jording, National Marine Fisheries Service West Coast Region, April 2019
National Marine Fisheries Service Report: Southern Resident killer whale assessment of 2019 PFMC salmon fisheries, April 2019
National Marine Fisheries Service, Salmon SRKW supplemental guidance letter to PFMC, 2019
Endangered Species Act section 7(a)(2) Biological Opinion and Magnuson-Stevens Fishery Conservation and Management Act Essential Fish Habitat Response Consultation on the Delegation of Management Authority for Specified Salmon Fisheries to the State of Alaska, 2019
Impacts of the Role of the BIA Under its Authority to Assist with the Development of the 2019-2020 Puget Sound Chinook Harvest Plan, Salmon Fishing Activities Authorized by the U.S. Fish and Wildlife Service, and Fisheries Authorized by the U.S. Fraser Panel in 2019