Food web dynamics in the Scotia Sea in summer: A stable isotope study

Deep-Sea Research Part II: Topical Studies in Oceanography

Volumn 59-60, Issue , 2012, Pages 208-221

  Stowasser, G ^a   Atkinson, A ^a   McGill, R A R ^b   Phillips, R A ^a   Collins, M A ^c   Pond, D W ^a  

^a BRITISH ANTARCTIC SURVEY   (United Kingdom)

^b SCOTTISH UNIVERSITIES ENVIRONMENTAL RESEARCH CENTRE   (United Kingdom)

^c Government House   (Falkland Islands (Malvinas))

Author keywords

13C; 15N; Food chain length; Pelagic food web; Southern Ocean; Stable isotopes

Indexed keywords

ANTARCTIC POLAR FRONTS; CARBON STABLE ISOTOPES; EUPHAUSIA SUPERBA; FOOD CHAIN; FOOD WEBS; FOOD-WEB DYNAMICS; FUR SEALS; GIGAS; ICE EDGE; ISOTOPE VALUES; N VALUE; NATURAL ABUNDANCE; NUTRIENT AVAILABILITY; OMNIVORY; PARTICULATE ORGANIC MATTERS; PELAGIC ECOSYSTEM; PELAGIC FISH; PELAGIC FOOD WEB; PRIMARY PRODUCERS; PRIMARY PRODUCTIVITY; SCOTIA SEA; SOUTH GEORGIA; SOUTHERN OCEAN; SPATIAL VARIATIONS; STABLE ISOTOPES; SUSPENSION FEEDER; SUSPENSION FEEDING; TROPHIC LEVEL; TROPHIC POSITION;

BIOLOGICAL MATERIALS; BIRDS; CHAIN LENGTH; ECOSYSTEMS; FEEDING; ISOTOPES; NUTRIENTS; PRODUCTIVITY;

MEATS;

CARBON ISOTOPE; CRUSTACEAN; FISH; FOOD CHAIN; FOOD WEB; NITROGEN ISOTOPE; NUTRIENT AVAILABILITY; OMNIVORY; PARTICULATE ORGANIC MATTER; PELAGIC ENVIRONMENT; PREDATOR-PREY INTERACTION; PRIMARY PRODUCTION; SEABIRD; STABLE ISOTOPE; SUMMER; TAXONOMY; TEMPERATE ENVIRONMENT; TEMPERATURE EFFECT; TROPHIC LEVEL;

ATLANTIC OCEAN; SCOTIA SEA;

AVES; COPEPODA; DECAPODA (CRUSTACEA); EUPHAUSIA SUPERBA; EUPHAUSIACEA; EUPHAUSIIDAE; MYCTOPHIDAE; PROCELLARIA AEQUINOCTIALIS; PROCELLARIIDAE; RHINCALANUS GIGAS; SALPA THOMPSONI; SALPIDA; SPHENISCIDAE; THEMISTO GAUDICHAUDII; VERTEBRATA;

EID: 84855964207     PISSN: 09670645     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.dsr2.2011.08.004     Document Type: Article

References (136)

1. Altabet M.A., François R. Sedimentary nitrogen isotopic ratio as a recorder for surface ocean nitrate utilization. Global Biogeochemical Cycles 1994, 8(1):103-116.
2. Atkinson A. Life-cycles of Calanoides acutus, Calanus simillimus and Rhincalanus gigas (Copepoda, Calanoida) within the Scotia Sea. Marine Biology 1991, 109(1):79-91.
3. Atkinson A. Omnivory and feeding selectivity in 5 copepod species during spring in the Bellingshausen Sea, Antarctica. ICES Journal of Marine Science 1995, 52(3-4):385-396.
4. Atkinson A., Snyder R. Krill-copepod interactions at South Georgia, Antarctica, omnivory by Euphausia superba. Marine Ecology Progress Series 1997, 160:63-76.
5. Atkinson A., Siegel V., Pakhomov E., Rothery P. Long-term decline in krill stock and increase in salps within the Southern Ocean. Nature 2004, 432(7013):100-103.
6. Atkinson A., Ward P., Williams R., Poulet S.A. Diel vertical migration and feeding of copepods at an oceanic site near South Georgia. Marine Biology 1992, 113(4):583-593.
7. Atkinson A., Shreeve R.S., Pakhomov E.A., Priddle J., Blight S.P., Ward P. Zooplankton response to a phytoplankton bloom near South Georgia, Antarctica. Marine Ecology Progress Series 1996, 144(1-3):195-210.
8. Atkinson A., Whitehouse M.J., Priddle J., Cripps G.C., Ward P., Brandon M.A. South Georgia, Antarctica:a productive, cold water, pelagic ecosystem. Marine Ecology Progress Series 2001, 216:279-308.
9. Barnes C., Sweeting C.J., Jennings S., Barry J.T., Polunin N.V.C. Effect of temperature and ration size on carbon and nitrogen stable isotope trophic fractionation. Functional Ecology 2007, 21(2):356-362.
10. 13C values of avian blood: implications for trophic studies. Auk 2000, 117(2):504-507.
11. Bearhop S., Phillips R.A., McGill R., Cherel Y., Dawson D.A., Croxall J.P. Stable isotopes indicate sex-specific and long-term individual foraging specialisation in diving seabirds. Marine Ecology Progress Series 2006, 311:157-164.
12. Bloomfield A.L., Elsdon T.S., Walther B.D., Gier E.J., Gillanders B.M. Temperature and diet affect carbon and nitrogen isotopes of fish muscle: can amino acid nitrogen isotopes explain effects?. Journal of Experimental Marine Biology and Ecology 2011, 399(1):48-59.
13. Bode A., Carrera P., Lens S. The pelagic foodweb in the upwelling ecosystem of Galicia (NW Spain) during spring: natural abundance of stable carbon and nitrogen isotopes. ICES Journal of Marine Science 2003, 60(1):11-22.
14. Bode A., Alvarez-Ossorio M.T., Cunha M.E., Garrido S., Peleteiro J.B., Porteiro C., Valdes L., Varela M. Stable nitrogen isotope studies of the pelagic food web on the Atlantic shelf of the Iberian Peninsula. Progress in Oceanography 2007, 74(2-3):115-131.
15. Boltovskoy D. South Atlantic Zooplankton 1999, Backhuys Publishers, Leiden, The Netherlands, pp. 1706.
16. Brodie C.R., Leng M.J., Casford J.S.L., Kendrick C.P., Lloyd J.M., Zong Y.Q., Bird M.I. Evidence for bias in C and N concentrations and delta C-13 composition of terrestrial and aquatic organic materials due to pre-analysis acid preparation methods. Chemical Geology 2011, 282(3-4):67-83.
17. Cabana G., Rasmussen J.B. Comparison of aquatic food chains using nitrogen isotopes. Proceedings of the National Academy of Sciences of the United States of America 1996, 93(20):10844-10847.
18. Cherel Y., Fontaine C., Richard P., Labat J.P. Isotopic niches and trophic levels of myctophid fishes and their predators in the Southern Ocean. Limnology and Oceanography 2010, 55(1):324-332.
19. Cherel Y., Hobson K.A., Guinet C., Vanpe C. Stable isotopes document seasonal changes in trophic niches and winter foraging individual specialization in diving predators from the Southern Ocean. Journal of Animal Ecology 2007, 76(4):826-836.
20. Cherel Y., Ducatez S., Fontaine C., Richard P., Guinet C. Stable isotopes reveal the trophic position and mesopelagic fish diet of female southern elephant seals breeding on the Kerguelen Islands. Marine Ecology Progress Series 2008, 370:239-247.
21. Christensen, V., Pauly, D., 1993. Flow characteristics of aquatic ecosystems. In: Trophic Models of Aquatic Ecosystems, vol. 26, pp. 338-352.
22. Clarke A. Food webs and interactions: an overview of the Antarctic ecosystem. Key Environments: Antarctica 1985, 329-350. Pergamon Press, Oxford. W.N. Bonner, D.W.H. Walton (Eds.).
23. Collins M.A., Rodhouse P.G. Southern ocean cephalopods. Advances in Marine Biology 2006, vol. 50:191-265. Academic Press, San Diego, USA.
24. Collins M.A., Brickle P., Brown J., Belchier M. The patagonian toothfish: biology, ecology and fishery. Advances in Marine Biology 2010, vol. 58:227-300. Academic Press, San Diego, USA.
25. Collins M.A., Ross K.A., Belchier M., Reid K. Distribution and diet of juvenile patagonian toothfish on the South Georgia and Shag Rocks shelves (Southern Ocean). Marine Biology 2007, 152(1):135-147.
26. Conover R.J., Huntley M. Copepods in ice-covered seas-distribution, adaptations to seasonally limited food, metabolism, growth patterns and life cycle strategies in polar seas. Journal of Marine Systems 1991, 2:1-41.
27. Croxall J.P., Prince P.A. Food, feeding ecology and ecological segregation of seabirds at South Georgia. Biological Journal of the Linnean Society 1980, 14:103-131.
28. Croxall J.P., Prince P.A., Reid K. Dietary segregation of krill-eating South Georgia seabirds. Journal of Zoology 1997, 242:531-556.
29. Croxall J.P., Reid K., Prince P.A. Diet, provisioning and productivity responses of marine predators to differences in availability of Antarctic krill. Marine Ecology Progress Series 1999, 177:115-131.
30. Dagg M. Sinking particles as a possible source of nutrition for the large calanoid copepod Neocalanus cristatus in the Sub-Arctic Pacific-Ocean. Deep-Sea Research I 1993, 40(7):1431-1445.
31. Das K., Lepoint G., Leroy Y., Bouquegneau J.M. Marine mammals from the southern North Sea: feeding ecology data from delta C-13 and delta N-15 measurements. Marine Ecology Progress Series 2003, 263:287-298.
32. 13C. Limnology and Oceanography 1996, 41:359-365.
33. DeNiro M.J., Epstein S. Influence of diet on the distribution of nitrogen isotopes in animals. Geochimica et Cosmochimica Acta 1981, 45:341-351.
34. Everson I., Parkes G., Kock K.H., Boyd I.L. Variation in standing stock of the mackerel icefish Champsocephalus gunnari at South Georgia. Journal of Applied Ecology 1999, 36(4):591-603.
35. Fawcett, S.E., Lomas, M.W., Ward, B.B., Casey, J.R., Sigman, D.M., 2010. Eukaryotes dominate new production in the Sargasso Sea. In: American Geophysical Union Fall Meeting, Abstract #PP31A-1613.
36. Fielding S., Watkins J.L., Collins M.A., Enderlein P., Venables H.J. Acoustic determination of the distribution of fish and krill across the Scotia Sea in spring 2006, summer 2008 and autumn 2009. Deep-Sea Research II 2012, 59-60:173-188.
37. Fischer G. Stable carbon isotope ratios of plankton carbon and sinking organic matter from the Atlantic sector of the Southern Ocean. Marine Chemistry 1991, 35(1-4):581-596.
38. Fogel M.L., Cifuentes L.A. Isotope fractionation during primary production. Organic Geochemistry: Principles and Applications 1993, 73-98. Plenum Press, New York. M.H. Engel, S.A. Macko (Eds.).
39. Fortier L., Le Fèvre J., Legendre L. Export of biogenic carbon to fish and to the deep ocean-the role of large planktonic microphages. Journal of Plankton Research 1994, 16(7):809-839.
40. France R.L., Peters R.H. Ecosystem differences in the trophic enrichment of C-13 in aquatic food webs. Canadian Journal of Fisheries and Aquatic Sciences 1997, 54(6):1255-1258.
41. France R., Chandler M., Peters R. Mapping trophic continua of benthic foodwebs: body size-delta N15 relationships. Marine Ecology Progress Series 1998, 174:301-306.
42. Froneman P.W., Pakhomov E.A. Trophic importance of the chaetognaths Eukrohnia hamata and Sagitta gazellae in the pelagic system of the Prince Edward Islands (Southern Ocean). Polar Biology 1998, 19(4):242-249.
43. Froneman P.W., Pakhomov E.A., Treasure A. Trophic importance of the hyperiid amphipod, Themisto gaudichaudii, in the Prince Edward Archipelago (Southern Ocean) ecosystem. Polar Biology 2000, 23(6):429-436.
44. Fry, B., 2006. Isotope circulation in the biosphere. In: Stable Isotope Ecology (Ed.), Springer, New York, pp. 40-75.
45. Fry B., Wainwright S.C. Diatom sources of C13 rich carbon in marine food webs. Marine Ecology Progress Series 1991, 76:149-157.
46. Glibert P.M., Biggs D.C., McCarthy J.J. Utilization of ammonium and nitrate during austral summer in the Scotia Sea. Deep-Sea Research I 1982, 29(7):837-850.
47. Granéli E., Granéli W., Rabbani M.M., Daugbjerg N., Fransz G., Cuzinroudy J., Alder V.A. The influence of copepod and krill grazing on the species composition of phytoplankton communities from the Scotia-Weddell-Sea-an experimental approach. Polar Biology 1993, 13(3):201-213.
48. Gurney L.J., Froneman P.W., Pakhomov E.A., McQuaid C.D. Trophic positions of three euphausiid species from the Prince Edward Islands (Southern Ocean): implications for the pelagic food web structure. Marine Ecology Progress Series 2001, 217:167-174.
49. Hobson K.A., Welch H.E. Determination of trophic relationships within a high Arctic marine food web using Delta-C13 and Delta-N15 analysis. Marine Ecology Progress Series 1992, 84:9-18.
50. Hobson K.A., Ambrose W.G., Renaud P.E. Sources of primary production, benthic-pelagic coupling, and trophic relationships within the Northeast Water Polynya: insights from delta C-13 and delta N-15 analysis. Marine Ecology Progress Series 1995, 128(1-3):1-10.
51. Hobson K.A., Sease J.L., Merrick R.L., Piatt J.F. Investigating trophic relationships of pinnipeds in Alaska and Washington using stable isotope ratios of nitrogen and carbon. Marine Mammal Science 1997, 13(1):114-132.
52. Hopkins T.L. Food web of an Antarctic midwater ecosystem. Marine Biology 1985, 89:197-212.
53. Hopkins T.L., Torres J.J. Midwater food web in the vicinity of a marginal ice zone in the Western Weddell Sea. Deep-Sea Research I 1989, 36(4):543-560.
54. Hopkins T.L., Ainley D.G., Torres J.J., Lancraft T.M. Trophic structure in open waters of the marginal ice-zone in the Scotia-Weddell confluence region during spring (1983). Polar Biology 1993, 13(6):389-397.
55. Hulley P.A. Myctophidae. Fishes of the Southern Ocean 1990, 146-178. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. O. Gon, P.C. Heemstra (Eds.).
56. Hunter S. The food and feeding ecology of the Giant Petrels Macronectes halli and Macronectes giganteus at South Georgia. Journal of Zoology 1983, 200(AUG):521-538.
57. Ikeda T., Kanno Y., Ozaki K., Shinada A. Metabolic rates of epipelagic marine copepods as a function of body mass and temperature. Marine Biology 2001, 139(3):587-596.
58. Jacob, U., 2005. Trophic Dynamics of Antarctic Shelf Ecosystems-Food Webs and Energy Flow Budgets. Ph.D. Thesis, Universität Bremen, Bremen, Germany, pp. 141.
59. Jennings S. Size-based analyses of aquatic food webs. Aquatic Food Webs: An Ecosystem Approach 2005, 86-98. Oxford University Press, Oxford. A. Belgrano, U.M. Scharler, J. Dunne, R.E. Ulanowicz (Eds.).
60. Jennings S., Pinnegar J.K., Polunin N.V.C., Warr K.J. Linking size-based and trophic analyses of benthic community structure. Marine Ecology Progress Series 2002, 226:77-85.
61. Jenouvrier S., Barbraud C., Weimerskirch H. Effects of climate variability on the temporal population dynamics of southern fulmars. Journal of Animal Ecology 2003, 72(4):576-587.
62. Jones E.M., Bakker D.C.E., Venables H.J., Watson A.J. Dynamic seasonal cycling of inorganic carbon downstream of South Georgia, Southern Ocean. Deep-Sea Research II 2012, 59-60:25-35.
63. Jones, E.M., Bakker, D.C.E., Venables, H.J., Whitehouse, M.J., Korb, R.E., Watson, A.J., 2010. Rapid changes in surface water carbonate chemistry during Antarctic sea ice melt. Tellus B: Chemical and Physical Meteorology, doi:10.1111/j.1600-0889.2010.00496.x.
64. Koppelmann R., Bottger-Schnack R., Mobius J., Weikert H. Trophic relationships of zooplankton in the eastern Mediterranean based on stable isotope measurements. Journal of Plankton Research 2009, 31(6):669-686.
65. Korb R.E., Whitehouse M.J., Ward P., Gordon M., Venables H.J. Regional and seasonal differences in microplankton biomass, productivity and structure across the Scotia Sea implications for the export of biogenic carbon. Deep-Sea Research II 2012, 59-60:67-77.
66. Krahn M.M., Pitman R.L., Burrows D.G., Herman D.P., Pearce R.W. Use of chemical tracers to assess diet and persistent organic pollutants in Antarctic Type C killer whales. Marine Mammal Science 2008, 24(3):643-663.
67. Kruse S., Hagen W., Bathmann U. Feeding ecology and energetics of the Antarctic chaetognaths Eukrohnia hamata, E. bathypelagica and E. bathyantarctica. Marine Biology 2010, 157(10):2289-2302.
68. Laakmann S., Auel H. Longitudinal and vertical trends in stable isotope signatures (delta C13 and delta N15) of omnivorous and carnivorous copepods across the South Atlantic Ocean. Marine Biology 2010, 157(3):463-471.
69. Lange, L., 2006. Feeding Dynamics and Distribution of the Hyperiid Amphipod, Themisto gaudichaudii (Guérin, 1828) in the Polar Frontal Zone, Southern Ocean. M.Sc. Thesis, Rhodes University, Grahamstown, South Africa, pp. 75.
70. Larson R.J. Pelagic Scyphomedusae (Scyphozoa: Coronatae and Somaeostomeae) of the Southern Ocean. Antarctic Research Series 1984, 41(3-4):58-165.
71. Lopez M.D.G., Huntley M.E. Feeding and diel vertical migration cycles of Metridia gerlachei (Giesbrecht) in coastal waters of the Antarctic Peninsula. Polar Biology 1995, 15:21-30.
72. Lourey M.J., Trull T.W., Sigman D.M. Sensitivity of delta N-15 of nitrate, surface suspended and deep sinking particulate nitrogen to seasonal nitrate depletion in the Southern Ocean. Global Biogeochemical Cycles 2003, 17(3):1081. 10.1029/2002GB001973.
73. Lu C.C., Williams R. Contribution to the biology of squid in the Prydz Bay Region, Antarctica. Antarctic Science 1994, 6(2):223-229.
74. Lynnes A.S., Reid K., Croxall J.P. Diet and reproductive success of Adelie and chinstrap penguins: linking response of predators to prey population dynamics. Polar Biology 2004, 27(9):544-554.
75. Lynnes A.S., Reid K., Croxall J.P., Trathan P.N. Conflict or co-existence? Foraging distribution and competition for prey between Adelie and chinstrap penguins. Marine Biology 2002, 141:1165-1174.
76. Mayzaud P., Boutoute M., Alonzo F. Lipid composition of the euphausiids Euphausia vallentini and Thysanoessa macrura during summer in the Southern Indian Ocean. Antarctic Science 2003, 15(4):463-475.
77. Metz C., Schnack-Schiel S.B. Observations on carnivorous feeding in Antarctic calanoid copepods. Marine Ecology Progress Series 1995, 129:71-75.
78. Michener R.H., Schell D.M. Stable isotope ratios as tracers in marine and aquatic food webs. Stables Isotopes in Ecology and Environmental Science 1994, 138-157. Blackwell Scientific Publications, Oxford. K. Lajtha, R.H. Michener (Eds.).
79. Miller D., Agnew D. Management of krill fisheries in the Southern Ocean. Krill Biology, Ecology and Fisheries 2000, 300-337. Blackwell Science Ltd., Oxford. I. Everson (Ed.).
80. Miller T.W., Brodeur R.D., Rau G.H., Omori K. Prey dominance shapes trophic structure of the northern California Current pelagic food web: evidence from stable isotopes and diet analysis. Marine Ecology Progress Series 2010, 420:15-26.
81. 15N and animal age. Geochimica et Cosmochimica Acta 1984, 48(5):1135-1140.
82. Murphy E.J., Watkins J.L., Trathan P.N., Reid K., Meredith M.P., Thorpe S.E., Johnston N.M., Clarke A., Tarling G.A., Collins M.A., Forcada J., Shreeve R.S., Atkinson A., Korb R., Whitehouse M.J., Ward P., Rodhouse P.G., Enderlein P., Hirst A.G., Martin A.R., Hill S.L., Staniland I.J., Pond D.W., Briggs D.R., Cunningham N.J., Fleming A.H. Spatial and temporal operation of the Scotia Sea ecosystem: a review of large-scale links in a krill centred food web. Philosophical Transactions of the Royal Society B-Biological Sciences 2007, 362(1477):113-148.
83. Pagès F. The gelatinous zooplankton in the pelagic system of the Southern Ocean: a review. Annales Institute Océanographique Paris 1997, 73:139-158.
84. Pakhomov E.A., Perissinotto R. Trophodynamics of the hyperiid amphipod Themisto gaudichaudii in the South Georgia region during late austral summer. Marine Ecology Progress Series 1996, 134:91-100.
85. Pakhomov E.A., Perissinotto R., McQuaid C.D. Prey composition and daily rations of myctophid fishes in the Southern Ocean. Marine Ecology Progress Series 1996, 134:1-14.
86. Pasternak A.F. Gut contents and diel feeding rhythm in dominant copepods in the ice-covered Weddell Sea, March 1992. Polar Biology 1995, 15(8):583-586.
87. Perissinotto R., Pakhomov E.A. The trophic role of the tunicate Salpa thompsoni in the Antarctic marine ecosystem. Journal of Marine Systems 1998, 17(1-4):361-374.
88. Peters R.H., Cabana G., Choulik O., Cohen T., Griesbach, McCanny S.J. General models for trophic fluxes in animals based on their body size. Ecoscience 1996, 3:365-377.
89. Peterson B.J., Fry B. Stable isotopes in ecosystem studies. Annual Review of Ecology and Systematics 1987, 18:293-320.
90. Phillips R.A., Bearhop S., McGill R.A.R., Dawson D.A. Stable isotopes reveal individual variation in migration strategies and habitat preferences in a suite of seabirds during the non-breeding period. Oecologia 2009, 160(4):795-806.
91. Phillips R.A., Silk J.R.D., Croxall J.P., Afanasyev V. Year-round distribution of white-chinned petrels from South Georgia: relationships with oceanography and fisheries. Biological Conservation 2006, 129:336-347.
92. Phillips R.A., Silk J.R.D., Phalan B., Catry P., Croxall J.P. Seasonal sexual segregation in two Thalassarche albatrosses: competitive exclusion, reproductive role specialization or foraging niche divergence?. Proceedings of the Royal Society B-Biological Sciences 2004, 271:1283-1291.
93. Phleger C.F., Nichols P.D., Virtue P. Lipids and trophodynamics of Antarctic zooplankton. Comparative Biochemistry and Physiology B 1998, 120(2):311-323.
94. Pimm S.L., Lawton J.H. On feeding on more than one trophic level. Nature 1978, 275:542-544.
95. Pinnegar J.K., Polunin N.V.C. Differential fractionation of d13C and d15N among fish tissues: implications for the study of trophic interactions. Functional Ecology 1999, 13:225-231.
96. Polunin N.V.C., Morales-Nin B., Pawsey W.E., Cartes J.E., Pinnegar J.K., Moranta J. Feeding relationships in Mediterranean bathyal assemblages elucidated by stable nitrogen and carbon isotope data. Marine Ecology Progress Series 2001, 220:13-23.
97. Post D.M. Using stable isotopes to estimate trophic position: models, methods, and assumptions. Ecology 2002, 83(3):703-718.
98. 2 and productivity in past oceans. Nature 1989, 341(6242):516-518.
99. Rau G.H., Hopkins T.L., Torres J.J. N15/N14 and C13/C12 in Weddell Sea invertebrates-implications for feeding diversity. Marine Ecology Progress Series 1991, 77:1-6.
100. Rau G.H., Sullivan C.W., Gordon L.I. Delta C13 and Delta N15 variations in Weddell Sea particulate organic matter. Marine Chemistry 1991, 35(1-4):355-369.
101. 13C variations across the Drake Passage. Journal of Geophysical Research 1991, 96(8):15131-15135.
102. Rau G.H., Ainley D.G., Bengtson J.L., Torres J.J., Hopkins T.L. N15/N14 and C13/C12 in Weddell Sea birds, seals, and fish-implications for diet and trophic structure. Marine Ecology Progress Series 1992, 84:1-8.
103. Reid K., Arnould J.P.Y. The diet of Antarctic fur seals Arctocephalus gazella during the breeding season at South Georgia. Polar Biology 1996, 16(2):105-114.
104. Reid K., Davis D., Staniland I.J. Spatial and temporal variability in the fish diet of Antarctic fur seal (Arctocephalus gazella) in the Atlantic sector of the Southern Ocean. Canadian Journal of Zoology 2006, 84(7):1025-1037.
105. Reinhardt S.B., Van Vleet E.S. Lipid composition of twenty-two species of Antarctic midwater zooplankton and fish. Marine Biology 1986, 91:149-159.
106. Richoux N.B. Trophic ecology of zooplankton at a frontal transition zone: fatty acid signatures at the subtropical convergence, Southern Ocean. Journal of Plankton Research 2011, 33(3):491-505.
107. Richoux N.B., Froneman P.W. Plankton trophodynamics at the subtropical convergence, Southern Ocean. Journal of Plankton Research 2009, 31(9):1059-1073.
108. Rolff C. Seasonal variation in delta C13 and delta N15 of size-fractionated plankton at a coastal station in the northern Baltic proper. Marine Ecology Progress Series 2000, 203:47-65.
109. Schmidt K., Atkinson A., Venables H., Pond D.W. Spring blooms in the Southern Antarctic Circumpolar Current Front (SACCF) support early spawning of Antarctic krill. Deep-Sea Research II 2012, 59-60:159-172.
110. Schmidt K., Atkinson A., Petzke K.J., Voss M., Pond D.W. Protozoans as a food source for Antarctic krill, Euphausia superba: complementary insights from stomach content, fatty acids, and stable isotopes. Limnology and Oceanography 2006, 51(5):2409-2427.
111. Schmidt K., Atkinson A., Stübing D., McClelland J.W., Montoya J.P., Voss M. Trophic relationships among Southern Ocean copepods and krill: some uses and limitations of a stable isotope approach. Limnology and Oceanography 2003, 48(1):277-289.
112. Schmidt K., McClelland J.W., Mente E., Montoya J.P., Atkinson A., Voss M. Trophic-level interpretation based on delta N-15 values: implications of tissue-specific fractionation and amino acid composition. Marine Ecology Progress Series 2004, 266:43-58.
113. Schmidt K., Atkinson A., Steigenberger S., Fielding S., Lindsay M.C.M., Pond D.W., Tarling G.A., Klevjer T.A., Allen C.S., Nicol S., Achterberg E.P. Seabed foraging by Antarctic krill: implications for stock assessment, bentho-pelagic coupling, and the vertical transfer of iron. Limnology and Oceanography 2011, 56:1411-1428.
114. Schnack-Schiel S.B., Hagen W. Life-cycle strategies of Calanoides acutus, Calanus propinquus, and Metridia gerlachei (Copepoda, Calanoida) in the Eastern Weddell Sea, Antarctica. Ices Journal of Marine Science 1995, 52(3-4):541-548.
115. Shreeve R.S., Ward P., Whitehouse M.J. Copepod growth and development around South Georgia: relationships with temperature, food and krill. Marine Ecology Progress Series 2002, 233:169-183.
116. Shreeve R.S., Collins M.A., Tarling G.A., Main C.E., Ward P., Johnston N.M. Feeding ecology of myctophid fish in the northern Scotia Sea. Marine Ecology Progress Series 2009, 386:226-236.
117. Staniland I.J., Robinson S.L. Segregation between the sexes: Antarctic fur seals, Arctocephalus gazella, foraging at South Georgia. Animal Behaviour 2008, 75:1581-1590.
118. Stowasser G., Pond D.W., Collins M.A. Using fatty acid analysis to elucidate the feeding habits of Southern Ocean mesopelagic fish. Marine Biology 2009, 156(11):2289-2302.
119. Sugisaki H., Terazaki M., Wada E., Nemoto T. Feeding habits of a pelagic amphipod, Themisto japonica. Marine Biology 1991, 109(2):241-244.
120. Sutherland K.R., Madin L.P., Stocker R. Filtration of submicrometer particles by pelagic tunicates. Proceedings of the National Academy of Sciences of the United States of America 2010, 107(34):15129-15134.
121. Tieszen L.L., Boutton T.W., Tesdahl K.G., Slade N.A. Fractionation and turnover of stable carbon isotopes in animal tissues: implications for 13C analysis of diet. Oecologia 1983, 57:32-37.
122. Trathan P.N., Murphy E.J., Forcada J., Croxall J.P., Reid K., Thorpe S.E. Physical forcing in the southwest Atlantic: ecosystem control. Top Predators in Marine Ecosystems: Their Role in Monitoring and Management 2006, 28-45. Cambridge University Press, Cambridge, UK. I.L. Boyd, S. Wanless, C.J. Camphuysen (Eds.).
123. Trivelpiece, W.Z., Hinke, J.T., Miller, A.K., Reiss, C.S., Trivelpiece, S.G., Watters, G.M., 2011. Variability in krill biomass links harvesting and climate warming to penguin population changes in Antarctica. In: Proceedings of the National Academy of Sciences of the United States of America, http://www.pnas.org/cgi/doi/10.1073/pnas.1016560108.
124. 13C of particles and dissolved inorganic carbon during the SOIREE iron release experiment. Deep-Sea Research II 2001, 48:2655-2680.
125. Vander Zanden M.J., Fetzer W.W. Global patterns of aquatic food chain length. Oikos 2007, 116(8):1378-1388.
126. Venables H.J., Meredith M.P., Atkinson A., Ward P. Fronts and habitat zones in the Scotia Sea. Deep-Sea Research II 2012, 59-60:14-24.
127. von Harbou, L., Dubischar, C.D., Pakhomov, E.A., Hunt, B.P.V., Hagen, W., Bathmann, U.V., 2011. Salps in the Lazarev Sea, Southern Ocean: I. Feeding dynamics. Marine Biology. http://dx.doi.org/10.1007/s00227-011-1709-4.
128. Wada E., Terazaki M., Kabaya Y., Nemoto T. N15 and C13 abundances in the Antarctic Ocean with emphasis on the biogeochemical structure of the food web. Deep-Sea Research I 1987, 34(5-6):829-841.
129. Waluda C.M., Collins M.A., Black A.D., Staniland I.J., Trathan P.N. Linking predator and prey behaviour: contrasts between Antarctic fur seals and macaroni penguins at South Georgia. Marine Biology 2010, 157(1):99-112.
130. Ward P., Atkinson A., Tarling G.A. Mesozooplankton community structure and variability in the Scotia Sea: a seasonal comparison. Deep-Sea Research II 2012, 59-60:78-92.
131. Ward P., Shreeve R.S., Cripps G.C. Rhincalanus gigas and Calanus simillimus: lipid storage patterns of two species of copepod in the seasonally ice-free zone of the Southern Ocean. Journal of Plankton Research 1996, 18(8):1439-1454.
132. Ward P., Atkinson A., Venables H.J., Tarling G.A., Whitehouse M.J., Fielding S., Collins M.A., Korb R., Black A.D., Stowasser G., Schmidt K., Thorpe S., Enderlein P. Food web structure and bioregions in the Scotia Sea: a seasonal synthesis. Deep-Sea Research II 2012, 59-60:253-266.
133. Whitehouse M.J. Automated Seawater Nutrient Chemistry 1997, Natural Environment Research Council: British Antarctic Survey, Cambridge, pp. 14.
134. Whitehouse M.J., Atkinson A., Korb R.E., Pond D.W., Gordon M. Substantial primary production in the land-remote region of the central and northern Scotia Sea. Deep-Sea Research II 2012, 59-60:47-56.
135. Xavier J.C., Croxall J.P., Trathan P.N., Wood A.G. Feeding strategies and diets of breeding grey-headed and wandering albatrosses at South Georgia. Marine Biology 2003, 143(2):221-232.
136. Zhao L.Y., Castellini M.A., Mau T.L., Trumble S.J. Trophic interactions of Antarctic seals as determined by stable isotope signatures. Polar Biology 2004, 27(6):368-373.