Knox, G. A. Biology of the Southern Ocean (CRC Press, 2006). https://doi.org/10.1201/9781420005134
Google Scholar
Thomas, D. N. et al. The Biology of Polar Regions: The Biology of Polar Regions (Oxford University Press, 2008).
Trathan, P. N. & Hill, S. L. The Importance of Krill Predation in the Southern Ocean. In Biology and Ecology of Antarctic Krill (ed. Siegel, V.) 321–350 (Springer, 2016). https://doi.org/10.1007/978-3-319-29279-3_9.
Google Scholar
Atkinson, A. et al. Oceanic circumpolar habitats of Antarctic krill. Mar. Ecol. Prog. Ser. 362, 1–23 (2008).
Google Scholar
Siegel, V. & Watkins, J. L. Distribution, biomass and demography of antarctic krill, Euphausia superba. In Biology and Ecology of Antarctic Krill (ed. Siegel, V.) 21–100 (Springer, 2016). https://doi.org/10.1007/978-3-319-29279-3_2.
Google Scholar
Reiss, C. S. et al. Overwinter habitat selection by Antarctic krill under varying sea-ice conditions: Implications for top predators and fishery management. Mar. Ecol. Prog. Ser. 568, 1–16 (2017).
Google Scholar
Andrews-Goff, V. et al. Humpback whale migrations to Antarctic summer foraging grounds through the southwest Pacific Ocean. Sci. Rep. 8, 12333 (2018).
Google Scholar
Ribic, C. A., Ainley, D. G. & Fraser, W. R. Habitat selection by marine mammals in the marginal ice zone. Antarct. Sci. 3, 181–186 (1991).
Google Scholar
Takahashi, A. et al. Migratory movements and winter diving activity of Adélie penguins in East Antarctica. Mar. Ecol. Prog. Ser. 589, 227–239 (2018).
Google Scholar
Hückstädt, L. A. et al. Projected shifts in the foraging habitat of crabeater seals along the Antarctic Peninsula. Nat. Clim. Change 10, 472–477 (2020).
Google Scholar
Lowther, A. D., Staniland, I., Lydersen, C. & Kovacs, K. M. Male Antarctic fur seals: Neglected food competitors of bioindicator species in the context of an increasing Antarctic krill fishery. Sci. Rep. 10, 18436 (2020).
Google Scholar
Forcada, J. & Staniland, I. J. Antarctic fur seal Arctocephalus gazella. In Encyclopedia of Marine Mammals (eds Perrin, W. F. et al.) 36–42 (Academic Press, 2009).
Boyd, I. L., McCafferty, D. J., Reid, K., Taylor, R. & Walker, T. R. Dispersal of male and female Antarctic fur seals (Arctocephalus gazella). Can. J. Fish. Aquat. Sci. https://doi.org/10.1139/f97-314 (1998).
Google Scholar
Cherel, Y., Kernaléguen, L., Richard, P. & Guinet, C. Whisker isotopic signature depicts migration patterns and multi-year intra- and inter-individual foraging strategies in fur seals. Biol. Lett. 5, 830–832 (2009).
Google Scholar
Kernaléguen, L. et al. Long-term species, sexual and individual variations in foraging strategies of fur seals revealed by stable isotopes in whiskers. PLoS ONE 7, e32916 (2012).
Google Scholar
Kernaléguen, L., Arnould, J. P. Y., Guinet, C. & Cherel, Y. Determinants of individual foraging specialization in large marine vertebrates, the Antarctic and subantarctic fur seals. J. Anim. Ecol. 84, 1081–1091 (2015).
Google Scholar
Arthur, B. et al. Winter habitat predictions of a key Southern Ocean predator, the Antarctic fur seal (Arctocephalus gazella). Deep Sea Res. Part II Top. Stud. Oceanogr. 140, 171–181 (2017).
Google Scholar
Arthur, B. et al. Managing for change: Using vertebrate at sea habitat use to direct management efforts. Ecol. Indic. 91, 338–349 (2018).
Reisinger, R. R. et al. Habitat modelling of tracking data from multiple marine predators identifies important areas in the Southern Indian Ocean. Divers. Distrib. 24, 535–550 (2018).
Google Scholar
Wege, M., de Bruyn, P. J. N., Hindell, M. A., Lea, M.-A. & Bester, M. N. Preferred, small-scale foraging areas of two Southern Ocean fur seal species are not determined by habitat characteristics. BMC Ecol. 19, 36 (2019).
Google Scholar
Jones, K. A. et al. Intra-specific niche partitioning in antarctic fur seals, Arctocephalus gazella. Sci. Rep. 10, 3238 (2020).
Google Scholar
Siniff, D. B., Garrott, R. A., Rotella, J. J., Fraser, W. R. & Ainley, D. G. Opinion: Projecting the effects of environmental change on Antarctic seals. Antarct. Sci. 20, 425–435 (2008).
Google Scholar
Raymond, B. et al. Important marine habitat off east Antarctica revealed by two decades of multi-species predator tracking. Ecography 38, 121–129 (2015).
Bestley, S., Jonsen, I. D., Hindell, M. A., Harcourt, R. G. & Gales, N. J. Taking animal tracking to new depths: Synthesizing horizontal–vertical movement relationships for four marine predators. Ecology 96, 417–427 (2015).
Google Scholar
Kernaléguen, L. et al. Early-life sexual segregation: Ontogeny of isotopic niche differentiation in the Antarctic fur seal. Sci. Rep. 6, 33211 (2016).
Google Scholar
Payne, M. R. Growth in the Antarctic fur seal Arctocephalus gazella. J. Zool. 187, 1–20 (1979).
Costa, D., Goebel, M. E. & Sterling, J. T. Foraging energetics and diving behavior of the Antarctic fur seal, Arctocephalus gazzella at Cape Shirreff, Livingston Island. In Antarctic Ecosystems: Models for Wider Ecological Understanding (eds Davision, W. et al.) 77–84 (New Zealand Natural Science Press, 2000).
Staniland, I. J. et al. Geographical variation in the behaviour of a central place forager: Antarctic fur seals foraging in contrasting environments. Mar. Biol. 157, 2383–2396 (2010).
Blanchet, M.-A. et al. At-sea behaviour of three krill predators breeding at Bouvetøya—Antarctic fur seals, macaroni penguins and chinstrap penguins. Mar. Ecol. Prog. Ser. 477, 285–302 (2013).
Google Scholar
Jeanniard-du-Dot, T., Trites, A. W., Arnould, J. P. Y. & Guinet, C. Reproductive success is energetically linked to foraging efficiency in Antarctic fur seals. PLoS ONE 12, e0174001 (2017).
Google Scholar
Favilla, A. B. & Costa, D. P. Thermoregulatory strategies of diving air-breathing marine vertebrates: A review. Front. Ecol. Evol. 8, 292 (2020).
Staniland, I. J. & Robinson, S. L. Segregation between the sexes: Antarctic fur seals, Arctocephalus gazella, foraging at South Georgia. Anim. Behav. 75, 1581–1590 (2008).
Reid, K. The diet of Antarctic fur seals (Arctocephalus gazella Peters 1875) during winter at South Georgia. Antarct. Sci. 7, 241–249 (1995).
Google Scholar
Kirkman, S. P., Wilson, W., Klages, N. T. W., Bester, M. N. & Isaksen, K. Diet and estimated food consumption of Antarctic fur seals at Bouvetøya during summer. Polar Biol. 23, 745–752 (2000).
Casaux, R., Baroni, A., Arrighetti, F., Ramón, A. & Carlini, A. Geographical variation in the diet of the Antarctic fur seal Arctocephalus gazella. Polar Biol. 26, 753–758 (2003).
Casaux, R., Baroni, A. & Ramón, A. Diet of Antarctic fur seals Arctocephalus gazella at the Danco Coast, Antarctic Peninsula. Polar Biol. 26, 49–54 (2003).
Davis, D., Staniland, I. J. & Reid, K. Spatial and temporal variability in the fish diet of Antarctic fur seal (Arctocephalus gazella) in the Atlantic sector of the Southern Ocean. Can. J. Zool. https://doi.org/10.1139/z06-071 (2006).
Google Scholar
Casaux, R., Juares, M., Carlini, A. & Corbalán, A. The diet of the Antarctic fur seal Arctocephalus gazella at the South Orkney Islands in ten consecutive years. Polar Biol. 39, 1197–1206 (2016).
Tarroux, A., Lowther, A. D., Lydersen, C. & Kovacs, K. M. Temporal shift in the isotopic niche of female Antarctic fur seals from Bouvetøya. Polar Res. 35, 31335 (2016).
Garcia-Garin, O. et al. No evidence of microplastics in Antarctic fur seal scats from a hotspot of human activity in Western Antarctica. Sci. Total Environ. 737, 140210 (2020).
Google Scholar
Boyd, I. L. Estimating food consumption of marine predators: Antarctic fur seals and macaroni penguins. J. Appl. Ecol. 39, 103–119 (2002).
Wilson, D. E. & Mittermeier, R. A. Handbook of the mammals of the world : vol. 4 : Sea mammals. (2014).
Melin, S. R. et al. Reversible immobilization of free-ranging adult male California sea lions (Zalophus californianus). Mar. Mammal Sci. 29, E529–E536 (2013).
Pussini, N. & Goebel, M. E. A safer protocol for field immobilization of leopard seals (Hydrurga leptonyx). Mar. Mammal Sci. 31, 1549–1558 (2015).
Spelman, L. H. Reversible anesthesia of captive California sea lions (Zalophus californianus) with medetomidine, midazolam, butorphanol, and isoflurane. J. Zoo Wildl. Med. Off. Publ. Am. Assoc. Zoo Vet. 35, 65–69 (2004).
Cook, T. A. Butorphanol tartrate: An intravenous analgesic for outpatient surgery. Otolaryngol. Head Neck Surg. J. Am. Acad. Otolaryngol. Head Nexk Surg. 91, 251–254 (1983).
Google Scholar
Ropert-Coudert, Y. et al. The retrospective analysis of Antarctic tracking data project. Sci. Data 7, 94 (2020).
Google Scholar
Freitas, C., Lydersen, C., Fedak, M. A. & Kovacs, K. M. A simple new algorithm to filter marine mammal Argos locations. Mar. Mammal Sci. 24, 315–325 (2008).
Bonadonna, F., Lea, M.-A., Dehorter, O. & Guinet, C. Foraging ground fidelity and route-choice tactics of a marine predator: The Antarctic fur seal Arctocephalus gazella. Mar. Ecol. Prog. Ser. 223, 287–297 (2001).
Google Scholar
Lea, M.-A. & Dubroca, L. Fine-scale linkages between the diving behaviour of Antarctic fur seals and oceanographic features in the southern Indian Ocean. ICES J. Mar. Sci. 60, 990–1002 (2003).
Jonsen, I. D. et al. Movement responses to environment: Fast inference of variation among southern elephant seals with a mixed effects model. Ecology 100, e02566 (2019).
Google Scholar
Jonsen, I. D. et al. A continuous-time state-space model for rapid quality control of argos locations from animal-borne tags. Mov. Ecol. 8, 31 (2020).
Google Scholar
Hazen, E. L. et al. Where did they not go? Considerations for generating pseudo-absences for telemetry-based habitat models. Mov. Ecol. 9, 5 (2021).
Google Scholar
O’Toole, M., Queiroz, N., Humphries, N. E., Sims, D. W. & Sequeira, A. M. M. Quantifying effects of tracking data bias on species distribution models. Methods Ecol. Evol. 12, 170–181 (2021).
Lee, J. F., Friedlaender, A. S., Oliver, M. J. & DeLiberty, T. L. Behavior of satellite-tracked Antarctic minke whales (Balaenoptera bonaerensis) in relation to environmental factors around the western Antarctic Peninsula. Anim. Biotelemetry 5, 23 (2017).
Labrousse, S. et al. Under the sea ice: Exploring the relationship between sea ice and the foraging behaviour of southern elephant seals in East Antarctica. Prog. Oceanogr. 156, 17–40 (2017).
Google Scholar
Hazen, E. L. et al. A dynamic ocean management tool to reduce bycatch and support sustainable fisheries. Sci. Adv. 4, eaar3001 (2018).
Google Scholar
Hindell, M. A. et al. Tracking of marine predators to protect Southern Ocean ecosystems. Nature 580, 87–92 (2020).
Google Scholar
Barbet-Massin, M., Jiguet, F., Albert, C. H. & Thuiller, W. Selecting pseudo-absences for species distribution models: How, where and how many?. Methods Ecol. Evol. 3, 327–338 (2012).
Dormann, C. F. et al. Collinearity: A review of methods to deal with it and a simulation study evaluating their performance. Ecography 36, 27–46 (2013).
Hijmans, R. J., Phillips, S. & Elith, J. L. dismo: Species Distribution Modeling. (2020).
Elith, J., Leathwick, J. R. & Hastie, T. A working guide to boosted regression trees. J. Anim. Ecol. 77, 802–813 (2008).
Google Scholar
Roberts, D. R. et al. Cross-validation strategies for data with temporal, spatial, hierarchical, or phylogenetic structure. Ecography 40, 913–929 (2017).
Scales, K. L. et al. Fit to predict? Eco-informatics for predicting the catchability of a pelagic fish in near real time. Ecol. Appl. 27, 2313–2329 (2017).
Google Scholar
Pya, N. & Wood, S. N. Shape constrained additive models. Stat. Comput. 25, 543–559 (2015).
Google Scholar
R Core Team. R: A Language and Environment for Statistical Computing. (2019).
Atkinson, A. et al. Krill (Euphausia superba) distribution contracts southward during rapid regional warming. Nat. Clim. Change 9, 142–147 (2019).
Google Scholar
Brodie, S. et al. Integrating dynamic subsurface habitat metrics into species distribution models. Front. Mar. Sci. (2018).
Becker, E. A. et al. Moving Towards dynamic ocean management: How well do modeled ocean products predict species distributions?. Remote Sens. 8, 149 (2016).
Google Scholar
Lellouche, J.-M. et al. Recent updates to the Copernicus Marine Service global ocean monitoring and forecasting real-time 1∕12° high-resolution system. Ocean Sci. 14, 1093–1126 (2018).
Google Scholar
Handcock, M. S. & Raphael, M. N. Modeling the annual cycle of daily Antarctic sea ice extent. Cryosphere 14, 2159–2172 (2020).
Google Scholar
Smith, G. C. et al. Polar ocean observations: A critical gap in the observing system and its effect on environmental predictions from hours to a season. Front. Mar. Sci. (2019).
March, D., Boehme, L., Tintoré, J., Vélez-Belchi, P. J. & Godley, B. J. Towards the integration of animal-borne instruments into global ocean observing systems. Glob. Change Biol. 26, 586–596 (2020).
Google Scholar
Santora, J. A. Dynamic intra-seasonal habitat use by Antarctic fur seals suggests migratory hotspots near the Antarctic Peninsula. Mar. Biol. 160, 1383–1393 (2013).
Vergani, D. F. & Coria, N. R. Increase in numbers of male fur seals Arctocephalus gazella during the summer autumn period at Mossman Peninsula (Laurie Island). Polar Biol. 9, 487–488 (1989).
Rutishauser, M. R., Costa, D. P., Goebel, M. E. & Williams, T. M. Ecological implications of body composition and thermal capabilities in young antarctic fur seals (Arctocephalus gazella). Physiol. Biochem. Zool. PBZ 77, 669–681 (2004).
Google Scholar
Vales, D. G., Cardona, L., García, N. A., Zenteno, L. & Crespo, E. A. Ontogenetic dietary changes in male South American fur seals Arctocephalus australis in Patagonia. Mar. Ecol. Prog. Ser. 525, 245–260 (2015).
Google Scholar
Cardona, L., Vales, D., Aguilar, A., Crespo, E. & Zenteno, L. Temporal variability in stable isotope ratios of C and N in the vibrissa of captive and wild adult South American sea lions Otaria byronia: More than just diet shifts. Mar. Mammal Sci. 33, 975–990 (2017).
Google Scholar
Costa, D. P., Gales, N. J. & Goebel, M. E. Aerobic dive limit: How often does it occur in nature?. Comp. Biochem. Physiol. A. Mol. Integr. Physiol. 129, 771–783 (2001).
Google Scholar
Biuw, M., Krafft, B. A., Hofmeyr, G. J. G., Lydersen, C. & Kovacs, K. M. Time budgets and at-sea behaviour of lactating female Antarctic fur seals Arctocephalus gazella at Bouvetøya. Mar. Ecol. Prog. Ser. 385, 271–284 (2009).
Google Scholar
Lascara, C. M., Hofmann, E. E., Ross, R. M. & Quetin, L. B. Seasonal variability in the distribution of Antarctic krill, Euphausia superba, west of the Antarctic Peninsula. Deep Sea Res. Part Oceanogr. Res. Pap. 46, 951–984 (1999).
Google Scholar
Lea, M.-A., Hindell, M., Guinet, C. & Goldsworthy, S. Variability in the diving activity of Antarctic fur seals, Arctocephalus gazella, at Iles Kerguelen. Polar Biol. 25, 269–279 (2002).
Vaughan, D. G. et al. Recent rapid regional climate warming on the antarctic peninsula. Clim. Change 60, 243–274 (2003).
Forcada, J., Trathan, P. N., Reid, K. & Murphy, E. J. The effects of global climate variability in pup production of antarctic fur seals. Ecology 86, 2408–2417 (2005).
Forcada, J. & Hoffman, J. I. Climate change selects for heterozygosity in a declining fur seal population. Nature 511, 462–465 (2014).
Google Scholar
Schwarz, L. K., Goebel, M. E., Costa, D. P. & Kilpatrick, A. M. Top-down and bottom-up influences on demographic rates of Antarctic fur seals Arctocephalus gazella. J. Anim. Ecol. 82, 903–911 (2013).
Google Scholar
Hoffman, J. I. & Forcada, J. Extreme natal philopatry in female Antarctic fur seals (Arctocephalus gazella). Mamm. Biol. 77, 71–73 (2012).
Hucke-Gaete, R., Osman, L. P., Moreno, C. A. & Torres, D. Examining natural population growth from near extinction: The case of the Antarctic fur seal at the South Shetlands, Antarctica. Polar Biol. 27, 304–311 (2004).
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