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Cetacean distribution in relation to environmental parameters between Drake Passage and northern Antarctic Peninsula

  • Manuela BassoiEmail author
  • Jorge Acevedo
  • Eduardo R. Secchi
  • Anelio Aguayo-Lobo
  • Luciano Dalla Rosa
  • Daniel Torres
  • Marcos C. O. Santos
  • Alexandre F. Azevedo
Review
  • 34 Downloads

Abstract

The Drake Passage (DP) is a dynamic oceanographic region influenced by the main frontal systems of the Southern Ocean, with little information about cetacean distribution and their relationship with environmental parameters. This study explored the use of generalized additive models (GAMs) to model the relationships of some cetacean species according to sea surface temperature (SST) and a suite of physiographic variables adjacent to the Antarctic Peninsula and DP during the austral summer. The results suggest that SST and distances from oceanographic boundaries, mainly the Southern Antarctic Circumpolar Current Front (SACCF) and Polar Front (PF), were the most significant parameters related to the presence/absence of cetaceans. SST showed an effect on humpback whale (Megaptera novaeangliae) presence around lower temperatures and sei whale (Balaenoptera borealis) and hourglass dolphin (Lagenorhynchus cruciger) at warmer waters. Four species of baleen whales prefer areas near SACCF and Elephant Island and two odontocetes in waters near the PF. Clustering analysis reflected three major groupings based on distances from oceanic fronts and coast: cetaceans that occurred in the northern sector of the DP but with the PF as the southernmost range; a second group with species occurring along the DP and not preferring Antarctic waters further south of the SACCF; and the third group, mainly baleen whales, mostly occupying Antarctic waters southern of the SACCF. We encourage further dedicated cetacean surveys in this particular dynamic region, based on in situ oceanographic data and krill acoustic sampling, and either taking into consideration cetacean species density or abundance.

Keywords

Drake passage Cetacean Distribution Antarctica peninsula Oceanographic parameters Southern ocean 

Notes

Acknowledgements

We wish to thank Juliana Di Tullio, Silvina Botta, Daniel Danilewicz, Ignacio Moreno, Paulo Flores, Glauco Caon, Fernanda Marques, Carlos Olavarria and Jorge Plana for contributing to this study. We also thank the crews of the NApOc Ary Rongel, NPo Almirante Maximiano, PSGs Micalvi and Isaza, ATFs Lautaro and Leucotón, AP46 Oscar Viel, M/N Dap Mares and Yacht Australis. The Chilean authors thank the Directors of INACH and CEQUA for their logistic help and work facilities. PROSUL/BioMAntar Project (CNPq 490609/2007-4) supported M. Bassoi travel to the British Antarctic Survey, UK. We appreciate the useful help of Huw Griffiths (BAS) for the GIS tolls, Jaume Forcada (BAS) and Marcus Nunes (UFRN) for the GAM analysis and Phil Trathan for the useful comments. Ella Pereira (FURG) helped with the satellite images data. We also thank David Ainley, Peter Corkeron and an anonymous reviewer for comments that help us greatly to clarify an earlier version of this paper. This paper is a contribution from the MABIREH Project (CNPq), the Census of Antarctic Marine Life (CAML), the Instituto Nacional de Ciência e Tecnologia Antártico de Pesquisas Ambientais (INCT-APA) and the research group Ecologia e Conservação da Megafauna Marinha-EcoMega/CNPq. In memory of Natalie Goodall whose enthusiasm, knowledge and dedication to study cetacean of southernmost South America were pioneering to understand many species inhabit Drake Passage waters.

Funding

Financial support to M. Bassoi (Process 15.0535/2009-0) and E. R. Secchi (PQ 305219/2008-1) was provided by the Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq). Financial support to A. Aguayo-Lobo (INACH 08-93 and 163 projects) and D. Torres (INACH 018 project) was provided by Instituto Antártico Chileno (INACH).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

References

  1. Acevedo J, Aguayo-Lobo A, Acuña P, Pastene LA (2006) A note on the first record of the dwarf minke whale Balaenoptera acutorostrata in Chilean waters. J Cetac Res Manage 8:293–296Google Scholar
  2. Acevedo J, Aguayo-Lobo A, Plana J (2008) Conducta de alimentación de la ballena jorobada en la Península Antártica. Bol Antart Chil 27:21–22Google Scholar
  3. Acevedo J, Olavarría C, Plana J, Aguayo-Lobo A, Larrea A, Pastene LA (2011) Occurrence of dwarf minke whales (Balaenoptera acutorostrata subsp) around the Antarctic Peninsula. Polar Biol 34:313–318CrossRefGoogle Scholar
  4. Acevedo J, Garthe S, González A (2017a) First sighting of a live hourglass dolphin (Lagenorhynchus cruciger) in inland waters of southern Chile. Polar Biol 40:483–486CrossRefGoogle Scholar
  5. Acevedo J, Aguayo-Lobo A, González A, Haro D, Olave C, Quezada F, Martinez F, Garthe S, Caceres B (2017b) Occurrence of Sei Whales, Balaenoptera borealis, in the Magellan Strait from 2004–2015, Chile. Aquat Mamm 43:63–72CrossRefGoogle Scholar
  6. Aguayo-Lobo A (1994) Is there a population of minke whale that overwinter among the Antarctic sea-ice? Serie Científica INACH 44:91–98Aguayo-Lobo A (1994b) Registros de mamiferos y aves marinas en la Antártica durante los inviernos de 1993 y 1994. Bol Antart Chil 13:13–14Google Scholar
  7. Aguayo-Lobo A (2008) Los estudios de cetáceos antárticos en Chile. Bol Antart Chil 27:23–24Google Scholar
  8. Aguayo-Lobo A, Torres DN, Bernal R, Olavarría C (1993) Comportamiento alimentario de las ballenas, Megaptera novaeangliae y Eubalaena australis, en el estreho de Gerlache y en aguas adyacentes. INACH Project 08–93Google Scholar
  9. Aguayo-Lobo A, Torres DN, Acevedo J (1998a) Los Mamíferos Marinos de Chile: I. Cetacea. Serie Científica INACH 48:19–159Google Scholar
  10. Aguayo-Lobo A, Acevedo J, Torres DN (1998b) Influencia del fenómeno “El Niño” en el estrecho Bransfield, Antártica, durante junio de 1998. Serie Científica INACH 48:161–184Google Scholar
  11. Ainley DG, Dugger KM, Toniolo V, Gaffney I (2007) Cetacean occurrence patterns in the Amundsen and Southern Bellingshausen Sea sector, Southern Ocean. Mar Mamm Sci 23:287–305CrossRefGoogle Scholar
  12. Ainley D, Ballard G, Blight LK, Ackley S, Emslie SD, Lescroël A, Olmastroni S, Townsend SE, Tynan CT, Wilson P, Woehler E (2010) Impacts of cetaceans on the structure of Southern Ocean food webs. Mar Mamm Sci 26:482–498CrossRefGoogle Scholar
  13. Atkinson AA, Siegel V, Pakhomov E, Rothery P (2004) Long-term decline in krill stock and increase in salps within the Southern Ocean. Nature 432:100–103PubMedCrossRefPubMedCentralGoogle Scholar
  14. Atkinson A, Siegel V, Pakhomov EA, Rothery P, Loeb V, Ross RM, Quetin LB, Schmidt K, Fretwell P, Murphy EJ, Tarling GA, Fleming AH (2008) Oceanic circumpolar habitats of Antarctic krill. Mar Ecol Prog Ser 362:1–23CrossRefGoogle Scholar
  15. Atkinson A, Hill SL, Pakhomov EA, Anadon R, Chiba S, Daly KL, Downie R, Fretwell PT, Gerrish L, Hosie GW, Jessopp MJ (2017) KRILLBASE: a circumpolar database of Antarctic krill and salp numerical densities, 1926–2016. Earth Syst Sci Data 9:193–210CrossRefGoogle Scholar
  16. Beekmans BWPM, Forcada J, Murphy EJ, de Baar HJW, Bathmann UV, Fleming AH (2010) Generalised additive models to investigate environmental drivers of Antarctic minke whale (Balaenoptera bonaerensis) spatial density in austral summer. J Cetac Res Manag 11:115–129Google Scholar
  17. Bost CA, Cotte C, Bailleul F, Cherel Y, Charrassin JB, Guinet C, Ainley DG, Weimerskirch H (2009) The importance of oceanographic fronts to marine birds and mammals of the southern oceans. Special Issue on Processes at Oceanic Fronts of the Journal of Marine Systems (JMS-SIOF). J Mar Syst 78:363–376.CrossRefGoogle Scholar
  18. Branch TA, Butterworth DS (2001) Estimates of abundance south of 60°S for cetacean species sighted frequently on the 1978/79 to 1997/98 IWC/IDCR-SOWER sighting surveys. J Cetac Res Manage 3:251–270Google Scholar
  19. Buckland ST, Anderson DR, Burnham KP, Laake JL (1993) Distance sampling: estimating abundance of biological populations. Chapman & Hall, LondonCrossRefGoogle Scholar
  20. Clarke R (1962) Whale observation and whale parking off the coast of Chile in 1958 and from Ecuador towards and beyond the Galápagos Islands in 1959. Norsk Hvalfangst Tid 51:265–287Google Scholar
  21. Clarke R, Aguayo-Lobo A, Basulto S (1978) Whale observation and whale parking off the coast of Chile in 1964. Sci Rep Cetacean Res 30:117–177Google Scholar
  22. Curtice C, Johnston DW, Ducklow H, Gales N, Halpin PN, Friedlaender AS (2015) Modeling the spatial and temporal dynamics of foraging movements of humpback whales (Megaptera novaeangliae) in the Western Antarctic Peninsula. Mov Ecol 3:13PubMedPubMedCentralCrossRefGoogle Scholar
  23. Dalla Rosa L (2010) Modeling the foraging habitat of Humpback whales. Dissertation, University of British ColumbiaGoogle Scholar
  24. Doniol-Valcroze T, Berteaux D, Larouche P, Sears R (2007) Influence on thermal fronts on habitat selection by four rorqual whale species in the Gulf of St Lawrence. Mar Ecol Prog Ser 335:205–216CrossRefGoogle Scholar
  25. Ducklow H, Clarke A, Dickhut R, Doney SC, Geisz H, Huang K, Martinson DG, Meredith MP, Moeller HV, Montes-Hugo M, Schofield O (2012) The marine system of the Western Antarctic Peninsula. In: Rogers AD, et al. (eds) Antarctic ecosystems: an extreme environment in a changing world, 1st edn. Blackwell, Hoboken, pp 121–159CrossRefGoogle Scholar
  26. Force MP, Santora JA, Reiss CS, Loeb VJ (2015) Seabird species assemblages reflect hydrographic and biogeographic zones within Drake Passage. Polar Biol 38:381–392CrossRefGoogle Scholar
  27. Friedl P, Seehaus TC, Wendt A, Braun MH, Höppner K (2018) Recent dynamic changes on Fleming Glacier after the disintegration of Wordie Ice Shelf, Antarctic Peninsula. Cryosphere 12:1347–1365CrossRefGoogle Scholar
  28. Friedlaender AS, Halpin PN, Qian SS, Lawson GL, Wiebe PH, Thiele D, Read AJ (2006) Whale distribution in relation to prey abundance and oceanographic processes in the Western Antarctic Peninsula shelf waters. Mar Ecol Prog Ser 317:297–310CrossRefGoogle Scholar
  29. Friedlaender AS, Johnston DW, Fraser WR, Burns J, Costa DP (2011) Ecological niche modeling of sympatric krill predators around Marguerite Bay, Western Antarctic Peninsula. Deep Sea Res II 58:1729–1740CrossRefGoogle Scholar
  30. Friedlaender AS, Goldbogen JA, Hazen EL, Calambokidis J, Southall BL (2015) Feeding performance by sympatric blue and fin whales exploiting a common prey resource. Mar Mamm Sci 31:345–354CrossRefGoogle Scholar
  31. Gedamke J, Robinson SM (2010) Acoustic survey of marine mammal occurrence and distribution off East Antarctica (30–80oE) in January-February 2006. Deep Sea Res II 57:968–981CrossRefGoogle Scholar
  32. Goodall R (1997) Review of sightings of the hourglass dolphin, Lagenorhynchus cruciger, in the South American Sector of the Antarctic and Sub-Antarctic. Rep Int Whal Comm 47:1001–1013Google Scholar
  33. Hamazaki T (2002) Spatiotemporal prediction models of cetacean habitats in the mid-western North Atlantic Ocean (from Cape Hatteras, North Carolina, USA, to Nova Scotia, Canada). Mar Mamm Sci 18:920–939CrossRefGoogle Scholar
  34. Hays GC, Ferreira LC, Sequeira AM, Meekan MG, Duarte CM, Bailey H, Bailleul F, Bowen WD, Caley MJ, Costa DP, Eguíluz VM (2016) Key questions in marine megafauna movement ecology. Trends Ecol Evol 31:463–475PubMedPubMedCentralCrossRefGoogle Scholar
  35. Hedley S, Reilly S, Borberg J, Holland R, Hewitt R, Watkins J, Naganobu M, Sushin V (2001) Modelling whale distribution: a preliminary analysis of data collected on the CCAMLR-IWC Krill Synoptic Survey, 2000. In: International Whaling Commission SC/53/E9 54th Meeting of the International Whaling CommissionGoogle Scholar
  36. Heide-Jørgensen MP, Simon MJ, Laidre KL (2007) Estimates of large whale abundance in Greenland waters from a ship-based survey in 2005. J Cetac Res Manage 9:95–104Google Scholar
  37. Herr H, Viquerat S, Siegel V, Kock K-H, Dorschel B, Huneke WGC, Bracher A, Schröder M, Gutt J (2016) Horizontal niche partitioning of humpback and fin whales around the West Antarctic Peninsula—evidence from a concurrent whale and krill survey. Polar Biol 39:799–818CrossRefGoogle Scholar
  38. Hewitt RP, Demer DA (1993) Dispersion and abundance of Antarctic krill in the vicinity of Elephant Island in the 1992 austral summer. Mar Ecol Prog Ser 99:29–39CrossRefGoogle Scholar
  39. Hewitt RP, Watkins J, Naganobuc M, Sushind V, Brierley AS, Demera D, Kasatkinad S, Takaoe Y, Goss C, Malyshkod A, Brandonf M, Kawaguchic S, Siegelg V, Trathan P, Emerya J, Everson I, Miller D (2004) Biomass of Antarctic krill in the Scotia Sea in January/February 2000 and its use in revising an estimate of precautionary yield. Deep Sea Res II 51:1215–1236CrossRefGoogle Scholar
  40. Hofmann EE, Klinck JM, Locarninii RA, Fach B, Murphy E (1998) Krill transport in the Scotia Sea and environs. Antarct Sci 10:406–415CrossRefGoogle Scholar
  41. IWC (2000) Report of the Scientific Committee. Annex G: report of the subcommittee on the Comprehensive Assessment of Other Whale Stocks. J Cetac Res Manage 2:167–208Google Scholar
  42. IWC (2018) Report of the Scientific Committee. Annex V: report of the working group on the Southern Ocean Research Partnership (IWC-SOWER). J Cetac Res Manage 1:85–86Google Scholar
  43. Joiris CR (1991) Spring distribution and ecological role of seabirds and marine mammals in the Weddell Sea, Antarctica. Polar Biol 11:415–424CrossRefGoogle Scholar
  44. Kasamatsu F, Joyce GG (1995) Current status of odontocetes in the Antarctic. Antarct Sci 7:365–379CrossRefGoogle Scholar
  45. Kasamatsu F, Matsuoka K, Hakamada T (2000) Interspecific relationships in density among the whale community in the Antarctic. Polar Biol 23:466–473CrossRefGoogle Scholar
  46. Kassambara A (2017) Practical guide to cluster analysis in R: Unsupervised machine learning. STHDAGoogle Scholar
  47. Kassambara A, Mundt F (2016). Package ‘factoextra’. Extract and visualize the results of multivariate data analyses. https://www.sthda.com/english/rpkgs/factoextra.
  48. Knox GA (2006) The biology of the southern ocean. CRC Press, Boca RatonCrossRefGoogle Scholar
  49. Laidre KL, Heide-Jorgensen MP, Heagerty P, Cossio A, Bergstrom B, Simon M (2010) Spatial associations between large baleen whales and their prey in the West Greenland. Mar Ecol Prog Ser 402:269–284CrossRefGoogle Scholar
  50. Laran S, Gannier A (2008) Spatial and temporal prediction of fin whale distribution in the northwestern Mediterranean Sea. ICES J Mar Sci 65:1260–1269CrossRefGoogle Scholar
  51. Lascara CM, Hofmann EE, Ross RM, Quetin LB (1999) Seasonal variability in the distribution of Antarctic krill, Euphausia superba, west of the Antarctic Peninsula. Deep Sea Res I 46:951–984CrossRefGoogle Scholar
  52. Leaper R, Gillespie D, Papastavrou V (2000) Results of passive acoustic surveys for odontocetes in the Southern Ocean J Cetac Res Manag 2:187–196Google Scholar
  53. Loeb VJ, Hofmann EE, Klinck JM, Holm-Hansen O, White WB (2009) ENSO and variability of the Antarctic Peninsula pelagic marine ecosystem. Antarct Sci 21:135–148CrossRefGoogle Scholar
  54. MacLeod CD (2009) Global climate change, range changes and potential implications for the conservation of marine cetaceans: a review and synthesis. Endanger Species Res 7:125–136CrossRefGoogle Scholar
  55. Mizroch SA, Rice DW, Bengtson JL, Larson SW (1985) Preliminary atlas of Balaenopterid whale distribution in the Southern Ocean based on pelagic catch data. Rep SC-CAMLR-IV/BG/21 to CCAMLR Sci CommGoogle Scholar
  56. Murase H, Matsuoka K, Ichii T, Nishiwaki S (2002) Relationship between the distribution of euphausiids and baleen whales in the Antarctic (35 degrees E–145 degrees W). Polar Biol 25:135–145CrossRefGoogle Scholar
  57. Murphy EJ, Watkins JL, Trathan PN, Reid K, Meredith MP, Thorpe SE, Johnston NM, Clarke A, Tarling GA, Collins MA, Forcada J, Shreeve RS, Atkinson A, Korb R, Whitehouse MJ, Ward P, Rodhouse PG, Enderlein P, Hirst AG, Martin AR, Hill SL, Staniland IJ, Pond DW, Briggs DR, Cunningham NJ, Fleming AH (2007) Spatial and temporal operation of the Scotia Sea ecosystem: a review of large-scale links in a krill centred food web. Philos Trans R Soc Lond B Biol Sci 362:113–148PubMedCrossRefPubMedCentralGoogle Scholar
  58. Murtagh F, Legendre P (2014) Ward's hierarchical agglomerative clustering method: which algorithms implement Ward's criterion? J Classif 31:274–295CrossRefGoogle Scholar
  59. Nicol S, Pauly T, Bindoff NL, Wright S, Thiele D, Hosie GW, Strutton PG, Woehler E (2000) Ocean circulation of east Antarctica affects ecosystem structure and ice extent. Nature 406:504–507PubMedCrossRefPubMedCentralGoogle Scholar
  60. Nicol S, Worby A, Leaper R (2008) Changes in the Antarctic sea ice ecosystem: potential effects on krill and baleen whales. Mar Freshw Res 59:361–382CrossRefGoogle Scholar
  61. O’Brien PE, Post AL, Romeyn R (2009) Antarctic-wide Geomorphology as an aid to habitat mapping and locating vulnerable marine ecosystems, CCAMLR Document number WS-VME-09/10 Canberra, AustraliaGoogle Scholar
  62. Orgeira JL, Alderete MC, Jiménez YG, González JC (2015) Long-term study of the at-sea distribution of seabirds and marine mammals in the Scotia Sea, Antarctica. Adv Polar Sci 26:158–167Google Scholar
  63. Orgeira JL, González JC, Jiménez YG, Benítez LM (2017) Occurrence of fin and humpback whales in the Scotia Sea and the Protected Marine Area of the South Orkney islands, Antarctica. Mastozool Neotrop 24:135–143Google Scholar
  64. Orsi AH, Whitworth T, Nowlin WD (1995) On the meridional extent and fronts of the Antarctic Circumpolar Current. Deep Sea Res I 42:641–673CrossRefGoogle Scholar
  65. Pakhomov EA, Perissinotto R, McQuaid CD (1996) Prey composition and daily rations of myctophid fishes in the Southern Ocean. Mar Ecol Prog Ser 134:1–14CrossRefGoogle Scholar
  66. Pitman RL, Ensor P (2003) Three forms of killer whales (Orcinus orca) in Antarctic waters. J Cetac Res Manage 5:131–139Google Scholar
  67. Pitman RL, Perryman WL, LeRoy D, Eilers E (2007) A dwarf form of killer whale in Antarctica. J Mammal 88:43–48CrossRefGoogle Scholar
  68. Pitman RL, Durban JW, Greenfelder M, Guinet C, Jorgensen M, Olson P, Plana J, Tixier P, Towers JR (2011) Observations of a distinctive morphotype of killer whale (Orcinus orca), type D, from subantarctic waters. Polar Biol 34:303–306CrossRefGoogle Scholar
  69. Pollard RT, Lucas ML, Read JF (2002) Physical controls on biogeochemical zonation in the Southern Ocean. Deep Sea Res II 49:3289–3305CrossRefGoogle Scholar
  70. R Development Core Team (2018) R: a language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, AustriaGoogle Scholar
  71. Reyes Reyes MV, M Iñíguez (2013) Occurrence of cetaceans in the Scotia Sea during February–March 2013. IWC Scientific Committee. https://events.iwc.int/index.php/scientific/SC65a/paper/viewFile/261/2 44/SC-65a-SH10
  72. Santora JA, Brown ET (2010) Spatial distribution patterns of southern bottlenose whales, Hyperoodon planifrons, near the South Shetland Islands, Antarctica. Mar Mamm Sci 26:960–968CrossRefGoogle Scholar
  73. Santora JA, Veit RR (2013) Spatio-temporal persistence of top predator hotspots near the Antarctic Peninsula. Mar Ecol Prog Ser 487:287–304CrossRefGoogle Scholar
  74. Santora JA, Reiss CS, Loeb VJ, Veit RR (2010) Spatial association between hotspots of baleen whales and demographic patterns of Antarctic krill Euphausia superba suggests size-dependent predation. Mar Ecol Prog Ser 405:255–269CrossRefGoogle Scholar
  75. Santora JA, Schroeder ID, Loeb V (2014) Spatial assessment of fin whale hotspots and their association with krill within an important Antarctic feeding and fishing ground. Mar Biol.  https://doi.org/10.1007/s00227-014-2506-7 CrossRefGoogle Scholar
  76. Secchi ER, Dalla Rosa L, Kinas PG, Santos COM, Zerbini AN, Bassoi M, Moreno IB (2001) Encounter rates of whales around the Antarctic Peninsula with special reference to humpback whales, Megaptera novaeangliae, in the Gerlache Strait: 1997/98 to 1999/2000. Mem Queensl Mus 47:571–578Google Scholar
  77. Secchi ER, Dalla Rosa L, Kinas PG, Nicolette RF, Rufino AMN, Azevedo AF (2011) Encounter rates and abundance of humpback whales in Gerlache and Bransfield Straits, Antarctic Peninsula. J Cetac Res Manage 3:107–111Google Scholar
  78. Siegel V, De la Mare WK, Loeb V (1997) Long-term monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula). CCAMLR Sci 4:19–35Google Scholar
  79. Siegel V, Bergstromz B, Muhlenhardt-Siegel U, Thomasson M (2002) Demography of krill in the Elephant Island area during summer 2001 and its significance for stock recruitment. Antarct Sci 14:162–170CrossRefGoogle Scholar
  80. Siegel V, Kawagushi S, Ward P, Litvinovd F, Sushind V, Loebe V, Watkins J (2004) Krill demography and large-scale distribution in the southwest Atlantic during January/February 2000. Deep Sea Res II 51:1253–1273CrossRefGoogle Scholar
  81. Širović A, Hildebrand JA, Wiggins SM, McDonald MA, Moore SE, Thiele D (2004) Seasonality of blue and fin whale calls and the influence of sea ice in the Western Antarctic Peninsula. Deep Sea Res II 51:2327–2344CrossRefGoogle Scholar
  82. Smith WO Jr, Nelson DM (1986) Importance of ice edge phytoplankton production in the Southern Ocean. Bioscience 36:251–257CrossRefGoogle Scholar
  83. Thiele D, Chester ET, Gill PC (2000) Cetacean distribution off Eastern Antarctica (80°-150°E) during the austral summer of 1995/96. Deep Sea Res II 47:2543–2572CrossRefGoogle Scholar
  84. Thiele D, Chester ET, Moore SE, Sirovic A, Hildebrand JA, Friedlaender AS (2004) Seasonal variability in the Western Antarctic Peninsula. Deep Sea Res II 51:2311–2325CrossRefGoogle Scholar
  85. Trathan PN, Forcada J, Murphy EJ (2007) Environmental forcing and Southern Ocean marine predator populations: effects of climate change and variability. Philos Trans R Soc Lond B Biol Sci 362:2351–2365PubMedPubMedCentralCrossRefGoogle Scholar
  86. Turner J, Barrand NE, Bracegirdle TJ, Convey P, Hodgson DA, Jarvis M, Jenkins A, Marshall G, Meredith MP, Roscoe H, Shanklin J (2014) Antarctic climate change and the environment: an update. Polar Rec 50:237–259CrossRefGoogle Scholar
  87. Tynan CT (1998) Ecological importance of the southern boundary of the Antarctic circumpolar current. Nature 392:708–710CrossRefGoogle Scholar
  88. Venables WN, Ripley BD (1997) Modern applied statistics with S-Plus. Springer, New YorkCrossRefGoogle Scholar
  89. Venables H, Meredith MP, Atkinson A, Ward P (2012) Fronts and habitat zones in the Scotia Sea. Deep Sea Res II 59:14–24CrossRefGoogle Scholar
  90. Viquerat S, Herr H (2017) Mid-summer abundance estimates of fin whales (Balaenoptera physalus) around the South Orkney Islands and Elephant Island. Endanger Species Res 32:515–524CrossRefGoogle Scholar
  91. Virgili A, Racine M, Authier M, Monestiez P, Ridoux V (2017) Comparison of habitat models for scarcely detected species. Ecol Model 346:88–98CrossRefGoogle Scholar
  92. Ward, G (2007) Statistics in ecological modeling; presence-only data and boosted mars. Dissertation, Stanford UniversityGoogle Scholar
  93. Whitehead H, McGill B, Worm B (2008) Diversity of deep-water cetacean in relation to temperature: implications for ocean warming. Ecol Lett 11:1198–1207PubMedCrossRefPubMedCentralGoogle Scholar
  94. Williams RS, Hedley SL, Hammond PS (2006) Modeling distribution and abundance of Antarctic baleen whales using ships of opportunity. Ecol Soc 11:1CrossRefGoogle Scholar
  95. Wood SN (2004) Stable and efficient multiple smoothing parameter estimation for generalized additive models. J Am Stat Assoc 99:673–686CrossRefGoogle Scholar
  96. Wood SN (2006) Generalized additive models: an introduction with R. Chapman and Hall/CRC Press, Boca RatonCrossRefGoogle Scholar
  97. Zuur A, Ieno EN, Walker N, Saveliev AA, Smith GM (2009) Mixed effects models and extensions in ecology with R. Springer, New YorkCrossRefGoogle Scholar

Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Manuela Bassoi
    • 1
    • 2
    Email author
  • Jorge Acevedo
    • 3
  • Eduardo R. Secchi
    • 2
  • Anelio Aguayo-Lobo
    • 4
  • Luciano Dalla Rosa
    • 2
  • Daniel Torres
    • 5
  • Marcos C. O. Santos
    • 6
  • Alexandre F. Azevedo
    • 7
  1. 1.Census of Antarctic Marine Life (CAML), Depto de ZoologiaUniversidade Federal do Rio de Janeiro (UFRJ)Rio de JaneiroBrazil
  2. 2.Instituto de Oceanografia, Laboratório de Ecologia e Conservação da Megafauna Marinha (EcoMega)Universidade Federal do Rio Grande (FURG)Rio GrandeBrazil
  3. 3.Fundación Centro de Estudios del Cuaternario (CEQUA)Punta ArenasChile
  4. 4.Departamento CientíficoInstituto Antártico Chileno (INACH)Punta ArenasChile
  5. 5.Facultad de Ciencias Agropecuarias Y Ambientales, Escuela de Medicina VeterinariaUniversidad de Las AméricasSantiagoChile
  6. 6.Instituto Oceanográfico, Laboratório de Biologia da Conservação de Mamíferos AquáticosUniversidade de São Paulo (USP)São PauloBrazil
  7. 7.Depto de Oceanografia, Laboratório de Mamíferos Aquáticos e Bioindicadores (MAQUA)Universidade do Estado do Rio de Janeiro (UERJ)Rio de JaneiroBrazil

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