Managing big boys: A case study on remote anaesthesia and satellite tracking of adult male New Zealand sea lions (Phocarctos hookeri)

Wildlife Research

Volumn 36, Issue 8, 2009, Pages 666-674

  Geschke, Katja ^a   Chilvers, B Louise ^b  

^a Wellington Zoo   (New Zealand)

^b DEPARTMENT OF CONSERVATION   (New Zealand)

Author keywords

Capture; Darting; Fisheries interactions; Human interactions; Inhalation anaesthesia; Management; Zoletil

Indexed keywords

FISHERY MANAGEMENT; HUMAN ACTIVITY; MOVEMENT; NATURE-SOCIETY RELATIONS; PINNIPED; POPULATION DECLINE; RARE SPECIES; SATELLITE IMAGERY; SPECIES CONSERVATION; WILDLIFE MANAGEMENT;

NEW ZEALAND;

ANIMALIA; OTARIIDAE; PHOCARCTOS HOOKERI; PINNIPEDIA;

EID: 73249132936     PISSN: 10353712     EISSN: None     Source Type: Journal    
DOI: 10.1071/WR09133     Document Type: Article

References (49)

1. Baker, A. (1999). Unusual mortality of the New Zealand sea lion, Phocarctos hookeri, Auckland Islands, January-February 1998. Department of Conservation, Wellington.
2. Boren, L., Morrissey, M., and Gemmell, N. (2008). Motor vehicle collisions and the New Zealand fur seal in the Kaikoura region. Marine Mammal Science 24, 235-238. doi: 10.1111/j.1748-7692.2007.00172.x (Pubitemid 351239277)
3. Boyd, I. L., Lunn, N. J., Duck, C. J., and Barton, T. (1990). Response of antarctic fur seals to immobilisation with ketamine, a ketamine-diazepam or ketamine-xylazine mixture, and Zoletil. Marine Mammal Science 6, 135-145. doi: 10.1111/j.1748-7692.1990.tb00235.x
4. Boyd, I. L., Staniland, I. J., and Martin, A. R. (2002). Distribution of foraging by female Antarctic fur seals. Marine Ecology Progress Series 242, 285-294. doi: 10.3354/meps242285
5. Breed, G. A., Bowen, W. D., McMillan, J. I., and Leonard, M. L. (2006). Sexual segregation of seasonal foraging habitats in a non-migratory marine mammal. Proceedings of the Royal Society of London. Series B. Biological Sciences 273, 2319-2326. doi: 10.1098/rspb.2006.3581 (Pubitemid 44387339)
6. Campagna, C., Werner, R., Karesh, W., Marin, M. R., Koontz, F., Cook, R., and Koontz, C. (2001). Movements and location at sea of South American sea lions (Otaria flavescens). Journal of Zoology 255, 205-220. doi: 10.1017/S0952836901001285 (Pubitemid 32974318)
7. Campbell, R. A., Chilvers, B. L., Childerhouse, S., and Gales, N. J. (2006). Conservation management issues and status of the New Zealand (Phocarctos hookeri) and Australian (Neophoca cinerea) sea lions. In 'Sea Lions of the World. 22nd Wakefield Fisheries Symposium, Anchorage, AK, 30 September to 3 October 2004'. (Eds A. W. Trites, D. P. DeMaster, L. W. Fritz, L. D. Gelatt, L. D. Rea and K. M. Wynne). pp. 455-471. (Alaska Sea Grant College Program: Anchorage, AK.)
8. Childerhouse, S., Dix, B., and Gales, N. J. (2001). Diet of New Zealand sea lions (Phocarctos hookeri) at the Auckland Islands. Wildlife Research 28, 291-298. doi: 10.1071/WR00063 (Pubitemid 32817969)
9. Chilvers, B. L. (2008). New Zealand sea lions (Phocarctos hookeri) and squid trawl fisheries: bycatch problems and management options. Endangered Species Research 5, 193-204. doi: 10.3354/esr00086
10. Chilvers, B. L. (2009a). NZ sea lion research trip, Auckland Islands, December 2nd 2008 to February 16th 2009. New Zealand Department of Conservation. Available at http://www.doc.govt.nz/upload/ documents/conservation/marine-and- coastal/fishing/twg/pop2007-01- nz-sealion-trip2008-09.pdf [Verified November 2009]
11. Chilvers, B. L. (2009b). Foraging locations of a decreasing colony of New Zealand sea lions (Phocarctos hookeri). New Zealand Journal of Ecology 33, . Available at http://www.nzes.org.nz/nzje/new-issues/ NZJEcol-ChilversIP.pdf [Verified November 2009]
12. Chilvers, B. L., and Wilkinson, I. S. (2008). Philopatry and site fidelity of New Zealand sea lions, Phocarctos hookeri. Wildlife Research 35, 463-470. doi: 10.1071/WR07053
13. Chilvers, B. L., Wilkinson, I. S., Duignan, P. J., and Gemmell, N. J. (2005). Identifying the distribution of summer foraging areas for lactating New Zealand sea lions, Phocarctos hookeri. Marine Ecology Progress Series 304, 235-247. doi: 10.3354/meps304235
14. Chilvers, B. L., Wilkinson, I. S., Duignan, P. J., and Gemmell, N. (2006). Diving to extremes: Are New Zealand sea lions (Phocarctos hookeri) pushing their limits in a marginal habitat? Journal of Zoology 269, 233-241.
15. Chilvers, B. L., Wilkinson, I. S., and Childerhouse, S. (2007). New Zealand sea lion, Phocarctos hookeri, pup production-1995 to 2005. New Zealand Journal of Marine and Freshwater Research 41, 205-213.
16. Costa, D. P., and Gales, N. J. (2000). Foraging energetic and diving behaviour of lactating New Zealand sea lions, Phocarctos hookeri. The Journal of Experimental Biology 203, 3655-3665.
17. Costa, D. P., Gales, N. J., and Crocker, D. E. (1998). Blood volume and diving ability of the New Zealand sea lions, Phocarctos hookeri. Physiological Zoology 71, 208-213.
18. Crocker, D. E., Gales, N. J., and Costa, D. P. (2001). Swimming speed and foraging strategies of New Zealand sea lions (Phocarctos hookeri). Journal of Zoology 254, 267-277. doi: 10.1017/S09528369 01000784 (Pubitemid 32526216)
19. Dabin, W., Beauplet, G., and Guinet, C. (2002). Response of wild subantarctic fur seal (Arctocephalus tropicalis) females to ketamine and tiletamine-zolazepam anesthesia. Journal of Wildlife Diseases 38, 846-850.
20. David, J. H. M., Hofmeyr, J. M., and Best, P. B. (1988). Chemical immobilization of free-ranging South African (Cape) fur seals. South African Journal of Wildlife Research 18, 154-156.
21. Dierauf, L. A., and Gulland, F. M. D. (2001). 'CRC Handbook of Marine Mammal Medicine.' (CRC Press: Boca Raton, FL.)
22. Duignan, P. J. (1999). Gross pathology, histopathology, virology, serology and parasitology. In 'Unusual Mortality of the New Zealand Sea Lion, Phocarctos hookeri, Auckland Islands, January-February 1998:AReport of a Workshop held 8-9 June 1998, Wellington, and a Contingency Plan for Future Events'. (Ed. A. Baker.) pp. 29-33. (Department of Conservation, Te Papa Atawhai: Wellington.)
23. Engelhard, G. H., Baarspul, A. N. J., Broekman, M., Creuwels, J. C. S., and Reijnders, P. J. H. (2002). Human disturbance, nursing behaviour and lactation pup growth in a declining southern elephant seal (Mirounga leonina) population. Canadian Journal of Zoology 80, 1876-1886. doi: 10.1139/z02-174 (Pubitemid 36380304)
24. Field, I. C., Bradshaw, C. J. A., McMahon, C. R., Harrington, J., and Burton, H. R. (2002). Effects of age, size and condition of elephant seals (Mirounga leonina) on their intravenous anaesthesia with tiletamine and zolazepam. The Veterinary Record 151, 235-240.
25. Gales, N. J. (1995). New Zealand (Hooker's) sea lion recovery plan. Threatened Species Recovery Plan Series. 17. New Zealand Department of Conservation, Wellington.
26. Gales, N. J., and Mattlin, R. H. (1997). Summer diving behaviour of lactating New Zealand sea lions, Phocarctos hookeri. Canadian Journal of Zoology 75, 1695-1706. doi: 10.1139/z97-796
27. Georges, J. Y., Bonadonna, F., and Guinet, C. (2000). Foraging habitat and diving activity of lactating sub-antarctic fur seals in relation to sea surface temperature at Amsterdam Island. Marine Ecology Progress Series 196, 291-304. doi: 10.3354/meps196291
28. Gulland, F. M. D., Haulena, M., Fauquier, D., Lander, M. E., Zabka, T., Duerr, R., and Langlois, G. (2002). Domoic acid toxicity in Californian sea lions (Zalophus californianus): clinical signs, treatment and survival. The Veterinary Record 150, 475-480.
29. Hatfield, B. B., and Rathbun, G. (1999). Interactions between northern elephant seals and vehicles near Point Piedras Blancas, California. Marine Mammal Science 15, 598-600. doi: 10.1111/j.1748-7692.1999. tb00829.x
30. Haulena, M., and Gulland, F. M. D. (2001). Use of medetomidine- zolazepam-tiltamine with and without atipamezole reversal to immobilize captive California sea lions. Journal of Wildlife Diseases 37, 566-573.
31. Heath, R. B., Calkins, D., McAllister, D., Taylor, W., and Spraker, T. (1996). Telazol and isoflurane field anesthesia in free-ranging Steller's sea lions (Eumetopias jubatus). Journal of Zoo and Wildlife Medicine 27, 35-43.
32. IUCN0 (2008). IUCN red list of threatened species. Available at www.iucnredlist.org [Accessed 23 October 2008]
33. Jefferson, T. A., Webber, M. A., and Pitman, R. L. (2007). 'Marine Mammals of the World.' (Academic Press: San Diego, CA.)
34. Lalas, C., and Bradshaw, C. J. A. (2003). Expectations for population growth at new breeding locations for the vulnerable New Zealand sea lion (Phocarctos hookeri) using a simulation model. Biological Conservation 114, 67-78. doi: 10.1016/S0006-3207(02)00421-4 (Pubitemid 37029482)
35. Loughlin, T. R., Sterling, J. T., Merrick, R. L., Sease, J. L., and York, A. E. (2003). Immature Steller sea lion diving behavior. Fishery Bulletin 101, 566-582.
36. McConkey, S. D., McConnell, H., Lalas, C., Heinrich, S., Ludmerer, A., McNally, N., Parker, E., Borofsky, C., Schimanski, K., and McIntosh, G. (2002a). A northward spread in the breeding distribution of the New Zealand sea lion, Phocarctos hookeri. Australian Mammalogy 24, 97-106.
37. McConkey, S. D., Heinrich, S., Lalas, C., McConnell, H., and McNally, N. (2002b). Pattern of immigration of New Zealand sea lion, Phocarctos hookeri to Otago,NewZealand: Implications for management. Australian Mammalogy 24, 107-116. (Pubitemid 37331584)
38. McConnell, B. J., Chambers, C., and Fedak, M. A. (1992). Foraging ecology of southern elephant seals in relation to the bathymetry and productivity of the Southern Oceans. Antarctic Science 4, 393-398. doi: 10.1017/ S0954102092000580
39. Osofsky, S. A., and Hirsch, K. J. (2000). Chemical restraint of endangered mammals for conservation purposes: A practical primer. Oryx 34, 27-33.
40. Page, B., Mckenzie, J., Mcintosh, R., Baylis, A., Morrissey, A. et al. (2004). Entanglement of Australian sea lions and New Zealand fur seals in lost fishing gear and other marine debris before and after Government and industry attempts to reduce the problem. Marine Pollution Bulletin 49, 33-42. doi: 10.1016/j.marpolbul.2004.01.006 (Pubitemid 38968591)
41. Page, B., McKenzie, J., and Goldsworthy, S. D. (2005). Inter-sexual difference in New Zealand fur seal diving behaviour. Marine Ecology Progress Series 304, 249-264. doi: 10.3354/meps304249
42. Ponganis, P. J., Ponganis, E. P., Ponganis, K. V., Kooyman, G. L., Gentry, R. L., and Trillmich, F. (1990). Swim velocities in otariids. Canadian Journal of Zoology 68, 2105-2112. doi: 10.1139/z90-293
43. Ragen, T. J., and Lavigne, D. M. (1999) The Hawaiian monk seal: biology of an endangered species. In 'Conservation and Management of Marine Mammals'. (Eds J. R. Twiss, Jr. and R. R. Reeves.) pp. 224-245. (Smithsonian Institution Press: Washington, DC.)
44. Robertson, B. C., Chilvers, B. L., Duignan, P. J., Wilkinson, I. S., and Gemmell, N. J. (2006). Dispersal of breeding, adult male Phocarctos hookeri: Implications for disease transmission, population management and species recovery. Biological Conservation 127, 227-236. doi: 10.1016/j.biocon.2005.08. 011 (Pubitemid 41563060)
45. Spelman, L. H. (2004). Reversible anesthesia of captive California sea lions (Zalophus californianus) with medetomidine, Midazolam, Butorphanol and Isoflurane. Journal of Zoo and Wildlife Medicine 35, 65-69. doi: 10.1638/01-102
46. Thompson, D., Duck, C. D., McConnell, B. J., and Garrett, J. (1998). Foraging behaviour and diet of lactating female southern sea lions (Otaria flavescens) in the Falkland Islands. Journal of Zoology 246, 135-146. doi: 10.1111/j.1469-7998.1998.tb00142.x
47. Weise, M. J., and Costa, D. P. (2007). Total body oxygen stores and physiological diving capacity of California sea lions as a function of sex and age. The Journal of Experimental Biology 210, 278-289. doi: 10.1242/jeb.02643 (Pubitemid 46262757)
48. Wilkinson, I. S., Burgess, J., and Cawthorn, M. W. (2003). New Zealand sea lions and squid-managing fisheries impacts on a threatened marine mammal. In 'Marine Mammals: Fisheries, Tourism and Management Issues'. (Eds N. Gales, M. Hindell and R. Kirkwood.) pp. 192-207. (CSIRO Publishing: Melbourne.)
49. Wilkinson, I. S., Duignan, P. J., Grinberg, A., Chilvers, B. L., and Robertson, B. C. (2006). Klebsiella pneumoniae epidemics: possible impact on New Zealand sea lion recruitment. In 'Sea Lions of the World. 22nd Lowell Wakefield Fisheries Symposium, Anchorage, AK, 30 September to 3 October 2004'. (Eds A.W. Trites, D. P. DeMaster, L.W. Fritz, L. D. Gelatt, L. D. Rea and K. M.Wynne.) pp. 455-471. (Alaska Sea Grant College Program: Anchorage, AK.)