From lavage to lipids: Estimating diets of seabirds

Marine Ecology Progress Series

Volumn 451, Issue , 2012, Pages 263-284

  Karnovsky, Nina J ^a   Hobson, Keith A ^b   Iverson, Sara J ^c  

^a POMONA COLLEGE   (United States)

^b ENVIRONMENT CANADA   (Canada)

^c DALHOUSIE UNIVERSITY   (Canada)

Author keywords

Bayesian; Diet; Isoscape; Mixing models; QFASA; Quantitative fatty acid signature analysis; Seabird; Stable isotope

Indexed keywords

BAYESIAN ANALYSIS; COLONY; DIET; ENERGY FLUX; FATTY ACID; FECES; INNOVATION; LIFE HISTORY TRAIT; MARINE ECOSYSTEM; MIGRATORY POPULATION; PHENOLOGY; REPRODUCTIVE BIOLOGY; REPRODUCTIVE SUCCESS; SEABIRD; STABLE ISOTOPE; STOMACH CONTENT; TAXONOMY;

EID: 84859736976     PISSN: 01718630     EISSN: None     Source Type: Journal    
DOI: 10.3354/meps09713     Document Type: Article

References (175)

1. Abraham CL, Sydeman WJ (2006) Prey-switching by Cassin's auklet Ptychoramphus aleuticus reveals seasonal climate-related cycles of Euphausia pacifica and Thysanoessa spinifera. Mar Ecol Prog Ser 313: 271-283 (Pubitemid 43987531)
2. Ainley DG, Ballard G, Barton KJ, Karl BJ, Rau GH, Ribic CA, Wilson PR (2003) Spatial and temporal variation of diet within a presumed metapopulation of Adélie penguins. Condor 105: 95-106 (Pubitemid 36238363)
3. Awkerman JA, Hobson KA, Anderson DJ (2007) Isotopic (-15N and -13C) evidence for intersexual foraging differences and temporal variation in habitat use in waved albatrosses. Can J Zool 85: 273-279 (Pubitemid 46996190)
4. Barnes C, Jennings S, Barry JT (2009) Environmental correlates of large-scale spatial variation in the -13C of marine animals. Estuar Coast Shelf Sci 81: 368-374
5. Barnes C, Irigoien X, De Oliveiria JAA, Maxwell D, Jennings S (2011) Predicting marine phytoplankton community size structure from empirical relationships with remotely sensed variables. J Plankton Res 33: 13-24
6. Barrett RT, Camphuysen KCJ, Anker-Nilssen T, Chardine JW and others (2007) Diet studies of seabirds: a review and recommendations. ICES J Mar Sci 64: 1675-1691 (Pubitemid 351773355)
7. Bearhop S, Phillips RA, Thompson DR, Waldron S, Furness RW (2000) Variability in mercury concentrations of great skuas Catharacta skua: the influence of colony, diet and trophic status inferred from stable isotope signatures. Mar Ecol Prog Ser 195: 261-268 (Pubitemid 30221227)
8. Bearhop S, Waldron S, Votier SC, Furness RW(2002) Factors that influence assimilation rates and fractionation of nitrogen and carbon stable isotope signatures in avian blood and feathers. Physiol Biochem Zool 75: 451-458 (Pubitemid 36171658)
9. Bearhop S, Adams CE, Waldron S, Fuller RA, Macleod H (2004) Determining trophic niche width: a novel approach using stable isotope analysis. J Anim Ecol 73: 1007-1012 (Pubitemid 39123240)
10. Becker BH, Beissinger SR (2006) Centennial decline in the trophic level of an endangered seabird after fisheries decline. Conserv Biol 20: 470-479
11. Blanchard WJ (2011) Inference on the diet composition of predators using fatty acid signatures: an application of Bayesian inference on linear mixing models. PhD thesis, Dalhousie University, Halifax, N.S.
12. Bond AL, Diamond AW (2011) Recent Bayesian stableisotope mixing models are highly sensitive to variation in discrimination factors. Ecol Appl 21: 1017-1023
13. Bond AL, Hobson KA (2012) Reporting stable-isotope ratios in ecology: recommended terminology, guidelines, and best practices. Waterbirds (in press)
14. Bond AL, Jones IL (2009) A practical introduction to stableisotope analysis for seabird biologists: approaches, cautions and caveats. Mar Ornithol 37: 183-188
15. Budge SM, Iverson SJ, Bowen WD, Ackman RG (2002) Among- and within-species variation in fatty acid signatures of marine fish and invertebrates on the Scotian Shelf, Georges Bank and southern Gulf of St. Lawrence. Can J Fish Aquat Sci 59: 886-898
16. Budge SM, Iverson SJ, Koopman HN (2006) Studying trophic ecology in marine ecosystems using fatty acids: a primer on analysis and interpretation. Mar Mamm Sci 22: 759-801 (Pubitemid 44434872)
17. Budge SM, Wooller MJ, Springer AM, Iverson SJ, McRoy CP, Divoky GJ (2008) Tracing carbon flow in an arctic marine food web using fatty acid stable isotope analysis. Oecologia 157: 117-129
18. Carleton SA, Martínez del Rio C (2005) The effect of coldinduced increased metabolic rate on the rate of 13C and 15N incorporation in house sparrows (Passer domesticus). Oecologia 144: 226-232 (Pubitemid 41168297)
19. Caut S, Angulo E, Courchamp F (2008a) Caution on isotope model use for analyses of consumer diet. Can J Zool 86: 438-445 (Pubitemid 351768931)
20. Caut S, Angulo E, Courchamp F (2008b) Discrimination factors (-15N and -13C) in an omnivorous consumer: effect of diet isotopic ratio. Funct Ecol 22: 255-263 (Pubitemid 351416624)
21. Caut S, Angulo E, Courchamp F (2008c) Dietary shift of an invasive predator: rats, seabirds and sea turtles. J Appl Ecol 45: 428-437 (Pubitemid 351406245)
22. Cerling TE, Ayliff LK, Dearing MD, Ehleringer JR and others (2007) Determining biological tissue turnover using stable isotopes: the reaction progress variable. Oecologia 151: 175-189
23. Cherel Y, Hobson KA (2007) Geographical variation in carbon stable isotope signatures of marine predators: a tool to investigate their foraging areas in the Southern Ocean. Mar Ecol Prog Ser 329: 281-287
24. Cherel Y, Bocher P, Trouve C, Weimerskirch H (2002) Diet and feeding ecology of blue petrels Halobaena caerulea at Iles Kerguelen, Southern Indian Ocean. Mar Ecol Prog Ser 228: 283-299 (Pubitemid 34264639)
25. Cherel Y, Hobson KA, Weimerskirch H (2005) Using stable isotopes to study resource acquisition and allocation in procellariiform seabirds. Oecologia 145: 533-540 (Pubitemid 41437688)
26. Cherel Y, Le Corre M, Jaquemet S, Menard F, Richard F, Weimerskirch H (2008) Resource partitioning within a tropical seabird community: new information from stable isotopes. Mar Ecol Prog Ser 366: 281-291
27. Cherry SG, Derocher AE, Hobson KA, Stirling I, Thiemann GW (2011) Quantifying dietary pathways of proteins and lipids to tissues of a marine predator. J Appl Ecol 48: 373-381
28. Connan M, Mayzaud P, Boutoute M, Weimerskirch H, Cherel Y (2005) Lipid composition of stomach oil in a procellariiform seabird Puffinus tenuirostris: implications for food web studies. Mar Ecol Prog Ser 290: 277-290 (Pubitemid 40678916)
29. Connan M, Cherel Y, Mabille G, Mayzaud P (2007) Trophic relationships of white-chinned petrels from Crozet Islands: combined stomach oil and conventional dietary analyses. Mar Biol 152: 95-107 (Pubitemid 47050963)
30. Connan M, Mayzaud P, Hobson KA, Weimerskirch H, Cherel Y (2010) Food and feeding ecology of the Tasmanian short-tailed shearwater (Puffinus tenuirostris, Temminck): insights from three complementary methods. J Oceanogr Res Data 3: 19-32
31. Cook HW (1996) Fatty acid desaturation and chain elongation in eukaryotes. In: Vance DE, Vance JE (eds) Biochemistry of lipids and membranes. Elsevier, Amsterdam, p 129-152 (Pubitemid 126116976)
32. Cooper MH, Iverson SJ, Heras H (2005) Dynamics of blood chylomicron fatty acids in a marine carnivore: implications for lipid metabolism and quantitative estimation of predator diets. J Comp Physiol B Biochem Syst Environ Physiol 175: 133-145 (Pubitemid 40383295)
33. Cury PM, Boyd IL, Bonhommeau S, Anker-Nilssen T and others (2011) Global seabird response to forage fish depletion - one-third for the birds. Science 334: 1703-1706
34. Dahl TM, Falk-Petersen S, Gabrielsen GW, Sargent JR, Hop H, Millar RM (2003) Lipids and stable isotopes in common eider, black-legged kittiwake and northern fulmar: a trophic study from an Arctic fjord. Mar Ecol Prog Ser 256: 257-269 (Pubitemid 36964848)
35. Dalsgaard J, St John M, Kattner G, Muller-Navarra DC, HagenW(2003) Fatty acid trophic markers in the pelagic marine environment. Adv Mar Biol 46: 225-340 (Pubitemid 38847847)
36. Deagle BE, Gales NJ, Evans K, Jarman SN, Robinson S, Trebilco R, Hindell MA (2007) Studying seabird diet through genetic analysis of faeces: a case study on macaroni penguins (Eudyptes chrysolophus). PLoS ONE 2: e831 doi: 10.1371/journal.pone.0000831 (Pubitemid 351420087)
37. Deagle BE, Chiaradia A, McInnes J, Jarman SN (2010) Pyrosequencing faecal DNA to determine diet of little penguins: is what goes in what comes out? Conserv Genet 11: 2039-2048
38. Duffy DC, Jackson S (1986) Diet studies of seabirds: a review of methods. Colon Waterbirds 9: 1-17
39. Duffy DC, Laurenson LB (1983) Pellets of cape cormorants as indicators of diet. Condor 85: 305-307 (Pubitemid 16280117)
40. Emslie SD, Patterson WP (2007) Abrupt recent shift in -13C and -15N values in Adelie penguin eggshell in Antarctica. Proc Natl Acad Sci USA 104: 11666-11669
41. Evans Ogden LJ, Hobson KA, Lank DB (2004) Blood isotopic (-13C and -15N) turnover and diet-tissue fractionation factors in captive dunlin. Auk 121: 170-177
42. Evershed RP, Bull ID, Corr LT, Crossman ZM and others (2007) Compound-specific stable isotope analysis in ecology and paleoecology. In: Michener R, Lajtha K (eds) Stable isotopes in ecology and environmental science. Blackwell, London, p 480-540
43. Federer RN, Hollmen TE, Esler D, Wooller MJ, Wang SW (2010) stable carbon and nitrogen isotope discrimination factors from diet to blood plasma, cellular blood, feathers, and adipose tissue fatty acids in spectacled eiders (Somateria fischeri). Can J Zool 88: 866-874
44. Font L, Nowell GM, Pearson DG, Ottley CJ, Willis SG (2007) Sr analysis of bird feathers by TIMS: a tool to trace bird migration paths and breeding sites. J Anal At Spectrom 22: 513-522 (Pubitemid 46980410)
45. Forero MG, Hobson KA (2003) Using isotopes of nitrogen and carbon to study seabird ecology: applications in the Mediterranean seabird community. Sci Mar 67: 23-32 (Pubitemid 37111119)
46. ForeroMG, Hobson KA, Botolotti GR, Donazar JA, Bertelloti M, Blanco G (2002) Food resource utilisation by the Magellanic penguin revealed through stable-isotope analysis: segregation by sex and age and influence on offspring quality. Mar Ecol Prog Ser 234: 289-299 (Pubitemid 34689084)
47. Forero MG, Bortolotti GR, Hobson KA, Donazar JA, Bertolotti M, Blanco G (2004) High trophic overlap within the seabird community of Argentinean Patagonia: a multiscale approach. J Anim Ecol 73: 789-801 (Pubitemid 38908464)
48. Forero MG, Gonzalez-Solis J, Hobson KA, Dnazar JA, Bertelloti M, Blamco G, Bortolotti GR (2005) Stable isotopes reveal trophic segregation by sex and age in the southern giant petrel in two different food webs. Mar Ecol Prog Ser 296: 107-113 (Pubitemid 41128823)
49. Furness BL, Laugksch RC, Duffy DC (1984) Cephalopod beaks and studies of seabird diets. Auk 101: 619-620
50. Gales RP (1988) The use of otoliths as indicators of little penguin Eudytula minor diet. Ibis 130: 418-426 (Pubitemid 19326269)
51. Gaston, AJ, Woo K, Hipfner M (2003) Trends in forage fish populations in northern Hudson Bay since 1981, as determined from the diet of nestling thick-billed murres, Uria lomvia. Arctic 56: 227-233 (Pubitemid 37316945)
52. Gómez-Díaz E, González-Solís J (2007) Geographic assignment of seabirds to their origin; combining morphologic, genetic, and biogeochemical analyses. Ecol Appl 17: 1484-1498 (Pubitemid 351323532)
53. Gon O, Heemstra PC (1990) Fishes of the Southern Ocean. JLB Smith, Institute of Ichthyology, Grahamstown
54. González-Solís J, Smyrli M, Militão T, Gremillet D, Tveraa T, Phillips RA, Boulinier T (2011) Combining stable isotope analyses and geolocation to reveal kittiwake migration. Mar Ecol Prog Ser 435: 251-261
55. Graham BS, Koch PL, Newsome SS, McMahon KW, Aurioles D (2010) Using isoscapes to trace the movements and foraging behavior of top predators in oceanic ecosystems. In: West JB, Bowen GJ, Dawson TE, Tu KP (eds) Isoscapes: understanding movement, pattern and process on earth through isotope mapping. Springer, London, p 299-318
56. Hansel HC, Duke SD, Lofy PT, Gray GA (1988) Use of diagnostic bones to identify and estimate original lengths of ingested prey fishes. Trans Am Fish Soc 117: 55-62
57. Harris MP, Wanless S (1992) The importance of the lesser sandeel Ammodytes marinus in the diet of the shag Phalacrocorax aristotelis. Ornis Scand 23: 375-382
58. Hebert CE, Bur M, Sherman D, Shutt JL (2008) Sulfur isotopes link overwinter habitat use and breeding condition in double-crested cormorants. Ecol Appl 18: 561-567
59. Hecht T (1987) A guide to the otoliths of Southern Ocean fishes. S Afr J Antarct Res 17: 1-87
60. Hedd A, MontevecchiWA (2006) Diet and trophic position of Leach's storm-petrel Oceanodroma leucorhoa during breeding and moult, inferred from stable isotope analysis of feathers. Mar Ecol Prog Ser 322: 291-301 (Pubitemid 44606089)
61. Hedd A, Fifield DA, Burke CM, MontevecchiWA and others (2010) Seasonal shift in the foraging niche of Atlantic puffins Fratercula arctica revealed by stable isotope (-15N and -13C) analyses. Aquat Biol 9: 13-22
62. Hipfner JM, Hobson KA, Dale J, McGraw KJ (2010) Stable isotopes link diet to avian yolk carotenoid allocation: a comparative study of five auk species (Charadriiformes: Alcidae). Physiol Biochem Zool 83: 481-489
63. Hobson KA (1987) Use of stable-carbon isotope analysis to estimate marine and terrestrial protein content in gull diets. Can J Zool 65: 1210-1213
64. Hobson KA (1993) Trophic relationships among high Arctic seabirds: insights from tissue-dependent stable-isotope models. Mar Ecol Prog Ser 95: 7-18 (Pubitemid 24411913)
65. Hobson KA (2011) Isotopic ornithology: a perspective. J Ornithol 152: 49-66
66. Hobson KA, Clark RW (1992) Assessing avian diets using stable isotopes. I: Turnover of 13C in tissues. Condor 94: 181-188
67. Hobson KA, Montevecchi WA (1991) Stable isotopic determinations of trophic relationships of great auks. Oecologia 87: 528-531
68. Hobson KA, Wassenaar LI (eds) (2008) Tracking animal migration using stable isotopes. Handbook of terrestrial ecology series. Academic Press/Elsevier, Amsterdam
69. Hobson KA, Welch HE (1992) Determination of trophic relationships within a high Arctic marine food web using -13C and -15N analysis. Mar Ecol Prog Ser 84: 9-18 (Pubitemid 23401272)
70. Hobson KA, Alisasukas RT, Clark RG (1993) Stable nitrogen isotope enrichment in avian tissues due to fasting and nutritional stress: implications for isotopic analyses of diet. Condor 95: 388-394
71. Hobson KA, Piatt JF, Pitocchelli J (1994) Using stable isotopes to determine seabird trophic relationships. J Anim Ecol 63: 786-798 (Pubitemid 2144488)
72. Hobson KA, Gilchrist G, Falk K (2002a) Isotopic investigations of seabirds of the North Water Polynya: contrasting trophic relationships between the eastern and western sectors. Condor 104: 1-11 (Pubitemid 34186271)
73. Hobson KA, Fisk AT, Karnovsky N, Holst M, Gagnon JM, Fortier M (2002b) A stable isotope (13C, 15N) model for the North Water Polynya foodweb: implications for evaluating trophodynamics and the flow of energy and contaminants. Deep-Sea Res II 49: 5131-5150 (Pubitemid 35241036)
74. Hobson KA, Sinclair EH, York AE, Thomason J, Merrick RE (2004) Retrospective isotopic analyses of Steller's sea lion tooth annuli and seabird feathers: a cross-taxa approach to investigating regime and dietary shifts in the Gulf of Alaska. Mar Mamm Sci 20: 621-638 (Pubitemid 39048211)
75. Hobson KA, Barnett-Johnson R, Cerling T (2010) Using isoscapes to track animal migration. In: West J, Bowen GJ, Tu K, Dawson T (eds) Isoscapes: isotope mapping and its applications. Springer-Verlag, New York, NY, p 273-298
76. Hodum PJ, Hobson KA (2000) Trophic relationships among Antarctic fulmarine petrels: insights into dietary overlap and chick provisioning strategies inferred from stableisotope (-15N and -13C) analyses. Mar Ecol Prog Ser 198: 273-281 (Pubitemid 30411291)
77. Hunt GL Jr (1972) Influence of food distribution and human disturbance on the reproductive success of herring gulls. Ecology 53: 1051-1061
78. Inger R, Bearhop S (2008) Applications of stable isotope analyses to avian ecology. Ibis 150: 447-461
79. Iverson SJ (1993) Milk secretion in marine mammals in relation to foraging: can milk fatty acids predict diet? Symp Zool Soc Lond 66: 263-291
80. Iverson SJ (2009) Tracing aquatic food webs using fatty acids: from qualitative indicators to quantitative deter mination. In: Arts MT, Brett MT, Kainz M (eds) Lipids in aquatic ecosystems. Springer-Verlag, New York, NY, p 281-307
81. Iverson SJ, Frost KJ, Lang SLC (2002) Fat content and fatty acid composition of forage fish and invertebrates in Prince William Sound, Alaska: factors contributing to among and within species variability. Mar Ecol Prog Ser 241: 161-181 (Pubitemid 35241100)
82. Iverson SJ, Field C, Bowen WD, Blanchard W (2004) Quantitative fatty acid signature analysis: a new method of estimating predator diets. Ecol Monogr 74: 211-235 (Pubitemid 39182893)
83. Iverson SJ, Springer AM, Kitaysky AS (2007) Seabirds as indicators of food web structure and ecosystem variability: qualitative and quantitative diet analyses using fatty acids. Mar Ecol Prog Ser 352: 235-244 (Pubitemid 351211790)
84. Jablonski B (1985) The diet of penguins on King George Island, South Shetland Islands. Acta Zool Cracov 29: 117-186
85. Jaeger A, Cherel Y (2011) Isotopic investigation of contemporary and historic changes in penguin trophic niches and carrying capacity of the Southern Indian Ocean. PLoS ONE 6: e16484 doi: 10.1371/journal.pone.0016484
86. Jaeger A, Blanchard P, Richard P, Cherel Y (2009) Using carbon and nitrogen isotopic values of body feathers to infer inter- and intra-individual variations of seabird feeding ecology during molt. Mar Biol 156: 1233-1240
87. Jaeger A, Connan M, Richard P, Cherel Y (2010a) Use of stable isotopes to quantify seasonal changes of trophic niche and levels of population and individual specialisation in seabirds. Mar Ecol Prog Ser 401: 269-277
88. Jaeger A, Lecompte VJ, Weimerskirch H, Richard P, Cherel Y (2010b) Seabird satellite tracking validates the use of latitudinal isoscapes to depict predators' foraging areas in the Southern Ocean. Rapid Commun Mass Spectrom 24: 3456-3460
89. Jardine TD, Cunjak RA (2005) Analytical error in stable isotope ecology. Oecologia 144: 528-533 (Pubitemid 41218803)
90. Käkelä A, Furness RW, Kelly A, Strandberg U, Waldron S, Käkelä R (2007) Fatty acid signatures and stable isotopes as dietary indicators in North Sea seabirds. Mar Ecol Prog Ser 342: 291-301 (Pubitemid 47300579)
91. Käkelä R, Käkelä A, Martínez-Abraín A, Sarzo B and others (2010) Fatty acid signature analysis confirms foraging resources of a globally endangered Mediterranean seabird species: calibration test and application to the wild. Mar Ecol Prog Ser 398: 245-258
92. Karnovsky NJ, Kwásniewski S, Wȩs-awski JM, Walkusz W, Beszczýnska-Möller A (2003) Foraging behavior of little auks in a heterogeneous environment. Mar Ecol Prog Ser 253: 289-303 (Pubitemid 36708538)
93. Karnovsky NJ, Hobson KA, Iverson S, Hunt GL Jr (2008) Seasonal changes in diets of seabirds in the North Water Polynya: a multiple-indicator approach. Mar Ecol Prog Ser 357: 291-299 (Pubitemid 351655961)
94. Kelly JF (2000) Stable isotopes of carbon and nitrogen in the study of avian and mammalian trophic ecology. Can J Zool 78: 1-27 (Pubitemid 30236669)
95. Larson K, Craig D (2006) Digiscoping vouchers for diet studies in bill-load holding birds. Waterbirds 29: 198-202 (Pubitemid 44193818)
96. Layman CA, Quattrochi JP, Peyer CM, Allgeier JE (2007) Niche width collapse in a resilient top predator following ecosystem fragmentation. Ecol Lett 10: 937-944 (Pubitemid 47383379)
97. Lindsay MCM, Meathrel CA (2008) Where, when and how? Limitations of the techniques used to examine dietary preference of the Pacific gulls (Larus pacificus) using non-consumed parts of prey and regurgitated pellets of prey remains. Waterbirds 31: 611-619
98. Logan JM, Jardine TD, Miller TJ, Bunn SE, Cunjak RA, Lutcavage ME (2008) Lipid corrections in carbon and nitrogen stable isotope analyses: comparison of chemical extraction and modeling methods. J Anim Ecol 77: 838-846 (Pubitemid 351799676)
99. Lorrain A, Graham B, Menard F, Popp B, Bouillon S, van Breugel P, Cherel Y (2009) Nitrogen and carbon isotope values of individual amino acids: a tool to study foraging ecology of penguins in the Southern Ocean. Mar Ecol Prog Ser 391: 293-306
100. Louzao M, Navarro J, Forero MG, Igual JM, Genovart M, Hobson KA, Oro D (2011) Exploiting the closest productive area: geographical segregation of foraging grounds in a critically endangered seabird. Mar Ecol Prog Ser 429: 291-301
101. MacKenzie KM, Palmer MR, Moore A, Ibbotson AT, Beaumont WRC, Poulter DJS, Trueman CN (2011) Locations of marine animals revealed by carbon isotopes. Sci Rep 1: Article 21 doi: 10.1038/srep00021
102. Maranto C, Parrish JK, Herman DP, Punt AE, Olden JD, Brett MT, Roby DD (2011) Use of fatty acid analysis to determine dispersal of Caspian terns in the Columbia River basin. Conserv Biol 25: 736-746
103. Martínez del Rio C, Anderson-Sprecher R (2008) Beyond the reaction progress variable: the meaning and significance of isotopic incorporation data. Oecologia 156: 765-772
104. Martínez del Rio C, Wolf N, Carleton SA, Gannes LZ (2009) Isotopic ecology ten years after a call for more laboratory experiments. Biol Rev Camb Philos Soc 84: 91-111
105. McClelland JW, Montoya JP (2002) Trophic relationships and the nitrogen isotopic composition of amino acids in phytoplankton. Ecology 83: 2173-2180 (Pubitemid 36524756)
106. McDaniel JD, Emslie SD (2002) Fluctuations in Adélie penguin prey size in the mid to late Holocene, northern Marguerite Bay, Antarctic Peninsula. Polar Biol 25: 618-623 (Pubitemid 36064540)
107. Michener RH, Schell DM(1994) Stable isotope ratios as tracers in marine aquatic food webs. In: Lajtha K, Michener RH (eds) Stable isotopes in ecology and environmental science. Blackwell, London, p 138-157
108. Miller AK, Karnovsky NJ, Trivelpiece WZ (2009) Flexible foraging strategies of gentoo penguins Pygoscelis papua over 5 years in the South Shetland Islands, Antarctica. Mar Biol 156: 2527-2537
109. Minami H, Ogi H (1997) Determination of migratory dynamics of the sooty shearwater in the Pacific using stable carbon and nitrogen isotope analysis. Mar Ecol Prog Ser 158: 249-256 (Pubitemid 27518796)
110. Montoya JP (2007) Natural abundance of 15N in marine planktonic ecosystems. In: Michener R, Lajtha K (eds) Stable isotopes in ecology and environmental science. Blackwell, London, p 176-201
111. Moore JW, Semmens BX (2008) Incorporating uncertainty and prior information into stable isotope mixing models. Ecol Lett 11: 470-480 (Pubitemid 351499224)
112. Moreno R, Jover L, Munilla I, Velando A, Sanpera C (2010) A three-isotope approach to disentangling the diet of a generalist consumer: the yellow-legged gull in northwest Spain. Mar Biol 157: 545-553
113. Neves VC, Nolf D, Clarke MR (2011) Diet of Bulwer's petrel (Bulweria bulwerii) in the Azores, NE Atlantic. Waterbirds 34: 357-362
114. Newsome SD, Martínez del Rio C, Bearhop S, Phillips DL (2007) A niche for isotopic ecology. Front Ecol Environ 5: 429-436 (Pubitemid 47557322)
115. Norris DR, Arcese P, Preikshot D, Bertram DF, Kyser TK (2007) Diet reconstruction and historic population dynamics in a threatened seabird. J Appl Ecol 44: 875-884 (Pubitemid 47028457)
116. Oppel S, Federer RN, O'Brien DM, Powell AN, Hollmen TE (2010) Effect of lipid extraction on stable isotope ratios in avian egg yolk: is arithmetic correction a reliable alternative? Auk 127: 72-78
117. Owens NJP (1987) Natural variations in 15N in the marine environment. Adv Mar Biol 24: 389-451
118. Parnell AC, Inger R, Bearhop S, Jackson AL (2010) Source partitioning using stable isotopes: coping with too much variation. PLoS ONE 5: e9672 doi: 10.1371/ journal. pone. 0009672
119. Pearson DL, Hamilton AL, Erwin TL (2011) Recovery plan for the endangered taxonomy profession. Bioscience 61: 58-63
120. Pearson TH (1968) The feeding biology of sea-bird species breeding on the Farne Islands, Northhumberland. J Anim Ecol 37: 521-552
121. Peterson BJ, Fry B (1987) Stable isotopes in ecosystem studies. Annu Rev Ecol Syst 18: 293-320
122. Phillips DL, Gregg JW (2003) Source partitioning using stable isotopes: coping with too many sources. Oecologia 136: 261-269 (Pubitemid 36933259)
123. Phillips DL, Koch PL (2002) Incorporating concentrationdependence in stable isotope mixing models. Oecologia 130: 114-125 (Pubitemid 36064143)
124. Phillips RA, Bearhop S, McGill RAR, Dawson DA (2009) Stable isotopes reveal individual variation in migration strategies and habitat preferences in a suite of seabirds during the nonbreeding period. Oecologia 160: 795-806
125. Phillips RA, McGill RAR, Dawson DA, Bearhop S (2011) Sexual segregation in distribution, diet and trophic level of seabirds: insights from stable isotope analysis. Mar Biol 158: 2199-2208
126. Piche J, Iverson SJ, Parrish F (2010) Characterization of forage fish and invertebrates in the Northwestern Hawaiian Islands using fatty acid signatures: species and ecological groups. Mar Ecol Prog Ser 418: 1-15
127. Point D, Sonke JE, Day RD, Roseneau DG and others (2011) Methylmercury degradation influenced by sea-ice cover in northern high-latitude marine ecosystems. Nat Geosci 4: 188-194 DOI: 10.1038/NGEO1049
128. Polito MJ, Fisher S, Tobias CR, Emslie SD (2009) Tissuespecific isotopic discrimination factors in gentoo penguin (Pygoscelis papua) egg components: implications for dietary reconstruction using stable isotopes. J Exp Mar Biol Ecol 372: 106-112
129. Polito MJ, Trivelpiece WZ, Karnovsky NJ, Ng E, Patterson WP, Emslie SD (2011) Integrating stomach content and stable isotope analyses to quantify the diets of pygoscelid penguins. PLoS ONE 6: e26642 doi: 10.1371/journal.pone. 0026642
130. Popp BN, Graham BS, Olson RJ, Hannides CCS and others (2007) Insight into the trophic ecology of yellowfin tuna, Thunnus albacares, from compound-specific nitrogen isotope analysis of proteinaceous amino acids. In: Dawson TE, Siegwolf RTW (eds) Stable isotopes as indicators of ecological change. Academic Press, New York, NY, p 173-190 (Pubitemid 351734482)
131. Post DM (2002) Using stable isotopes to estimate trophic position: models, methods and assumptions. Ecology 83: 703-718 (Pubitemid 36524158)
132. Post DM, Layman CA, Arrington DA, Takimoto G, Quattrochi J, Montana CG (2007) Getting to the fat of the matter: models, methods and assumptions for dealing with lipids in stable isotope analyses. Oecologia 152: 179-189 (Pubitemid 46640011)
133. Qi H, Coplen T, Wassenaar LI (2011) Improved online -18O measurements of nitrogen- and sulfur-bearing organic materials and a proposed analytical protocol. Rapid Commun Mass Spectrom 25: 2049-2058
134. Quillfeldt P, McGill RAR, Furness RW (2005) Diet and foraging areas of Southern Ocean seabirds and their prey inferred from stable isotopes: review and case study of Wilson's storm-petrel. Mar Ecol Prog Ser 295: 295-304 (Pubitemid 41026831)
135. Quillfeldt P, McGill RAR, Strange IJ, Masello JF, Weiss F, Brickle P, Furness RW (2008) Stable isotope analysis reveals sexual and environmental variability and individual consistency in foraging of thin-billed prions. Mar Ecol Prog Ser 373: 137-148
136. Quillfeldt P, Voigt CC, Massello JF (2010) Plasticity versus repeatability in seabird migratory behavior. Behav Ecol Sociobiol 64: 1157-1164
137. Ramos R, Gonzalez-Solis J, Ruiz X (2009a) Linking isotopic and migratory patterns in a pelagic seabird. Oecologia 160: 97-105
138. Ramos R, Gonzalez-Solis J, Croxall JP, Oro D, Ruiz X (2009b) Understanding oceanic migrations with intrinsic biogeochemical markers. PLoS ONE 4: e6236 doi: 10.1371/journal.pone.0006236
139. Ramos R, Ramirez F, Carrasco JL, Jover L (2011) Insights into the spatiotemporal component of feeding ecology: an isotopic approach for conservation management sciences. Divers Distrib 17: 338-349
140. Rayner MJ, Hartill BW, Hauber ME, Phillips RA (2010) Central place foraging by breeding Cook's petrel Pterodroma cookii: foraging duration reflects range, diet and chick meal mass. Mar Biol 157: 2187-2194
141. Reinalda LH, Zamon JE, Philips EM (2010) The use of digital imagery to improve training, accuracy, and efficiency in seabird diet analysis. 1st World Seabird Conf, Sept. 7-11, 2010 Victoria, British Columbia, Canada. Abstract
142. Richoux N, Jauquemt S, Bonnevie B, Cherel Y, McQuai C (2010) Trophic ecology of grey-headed albatrosses from Marion Island, Southern Ocean: insights from stomach contents and diet tracers. Mar Biol 157: 1755-1766
143. Robbins CT, Felicetti NA, Sponheimer M (2005) The effect of dietary protein quality on nitrogen isotope discrimination in mammals and birds. Oecologia 144: 534-540 (Pubitemid 41218804)
144. Robertson G, Kent S, Seddon J (1994) Effects of the wateroffloading technique on Adélie penguins. J Field Ornithol 65: 376-380
145. Roby DD, Brink KL, Place AR (1989) Relative passage rates of lipid and aqueous digesta in the formation of stomach oils. Auk 106: 303-313
146. Ronconi RA, Koopman HN, McKinstry CAE, Wong SNP, Westgate AJ (2010) Inter-annual variability in diet of non-breeding pelagic seabirds Puffinus spp. at migratory staging areas: evidence from stable isotopes and fatty acids. Mar Ecol Prog Ser 419: 267-282
147. Roscales JL, Gómez-Díaz E, Neves V, González- Solís J (2011) Trophic versus geographic structure in stable isotope signatures of pelagic seabirds breeding in the northeast Atlantic. Mar Ecol Prog Ser 434: 1-13
148. Rubenstein DR, Hobson KA (2004) From birds to butterflies: animal movement patterns and stable isotopes. Trends Ecol Evol 19: 256-263 (Pubitemid 38503482)
149. Sanpera C, Valladares S, Moreno R, Ruiz X, Jover L (2008) Assessing the effects of the Prestige oil spill on the European shag (Phalacrocorax aristotelis): trace elements and stable isotopes. Sci Total Environ 407: 242-249
150. Schaffner FC, Swart PK (1991) Influence of diet and environmental water on the carbon and oxygen isotopic signature of eggshell carbonate. Bull Mar Sci 48: 23-38
151. Schell DM, Barnett BA, Vinette KA (1998) Carbon and nitrogen isotope ratios in zooplankton of the Bering, Chukchi and Beaufort seas. Mar Ecol Prog Ser 162: 11-23 (Pubitemid 28140035)
152. Sears J, Hatch SA, O'Brien DM (2009) Disentangling effects of growth and nutritional status on seabird stable isotope ratios. Oecologia 159: 41-48
153. Shealer DA (1998) Difference in diet and chick provisioning between adult roseate and Sandwich terns in Puerto Rico. Condor 100: 131-140 (Pubitemid 28129431)
154. Spear LB, Ainley DG, Walker WA (2007) Foraging dynamics of seabirds in the Eastern Tropical Pacific Ocean. Stud Avian Biol 35: 1-99 (Pubitemid 47224681)
155. Springer AM, Byrd GV, Iverson SJ (2007) Hot oceano graphy: planktivorous seabirds reveal ecosystem responses to warming of the Bering Sea. Mar Ecol Prog Ser 352: 289-297 (Pubitemid 351211795)
156. Stewart C (2005) Inference on the diet of predators using fatty acid signatures. PhD thesis, Dalhousie University, Halifax, N.S.
157. Stewart REA, Outridge PM (2003) Walrus life history movements reconstructed from lead isotopes in annual layers of teeth. Mar Mamm Sci 19: 806-818 (Pubitemid 37269105)
158. Thompson DR, Phillips RA, Stewart FM, Waldron S (2000) Low -13C signatures in pelagic seabirds: lipid ingestion as a potential source of 13C-depleted carbon in the Procellariiformes. Mar Ecol Prog Ser 208: 265-271 (Pubitemid 32111166)
159. Tollit DJ, Pierce GJ, Hobson KA, Bowen WD, Iverson SJ (2010) Diet. In: Boyd IL, Bowen WD, Iverson SJ (eds) Marine mammal ecology and conservation: a handbook of techniques. Oxford University Press, Oxford, p 191-221
160. Van Heezik YK, Seddon P (1989) Stomach sampling in the yellow-eyed penguin: erosion of otoliths and squid beak. J Field Ornithol 60: 451-458
161. Vanderklift MA, Ponsard S (2003) Sources of variation in consumer-diet -15N enrichment: a meta-analysis. Oecologia 136: 169-182 (Pubitemid 36933250)
162. Volkman NJ, Presler P, Trivelpiece WZ (1980) Diets of Pygoscelis penguins at King George Island, Antarctica. Condor 82: 373-378
163. Votier SC, Bearhop S, Witt MJ, Inger R, Thompson D, Newton J (2010) Individual responses of seabirds to commercial fisheries revealed using GPS tracking, stable isotopes and vessel monitoring systems. J Appl Ecol 47: 487-497
164. Wang SW, Iverson SJ, Springer AM, Hatch SA (2007) Fatty acid signatures of stomach oil and adipose tissue of northern fulmars (Fulmarus glacialis) in Alaska: implications for diet analysis of Procellariiform birds. J Comp Physiol B Biochem Syst Environ Physiol 177: 893-903 (Pubitemid 47632223)
165. Wang SW, Iverson SJ, Springer AM, Hatch SA (2009) Spatial and temporal diet segregation in northern fulmars Fulmarus glacialis breeding in Alaska: insights from fatty acid signatures. Mar Ecol Prog Ser 377: 299-307
166. Wang SW, Hollmen TE, Iverson SJ (2010) Validating quantitative fatty acid signature analysis (QFASA) to estimate diets of threatened spectacled and Steller's eiders (Somateria fischeri and Polysticta stelleri). J Comp Physiol B Biochem Syst Environ Physiol 180: 125-139
167. West JB, Bowen GJ, Dawson TE, Tu KP (2010) Isoscapes: understanding movements, pattern and process on Earth through isotope mapping. Springer, New York, N.Y.
168. Williams CT, Buck CL, Sears J, Kitaysky AS (2007) Effects of nutritional restriction on nitrogen and carbon stable isotopes in growing seabirds. Oecologia 153: 11-18 (Pubitemid 47087370)
169. Williams CT, Iverson SJ, Buck CL (2008) Stable isotopes and fatty acid signatures reveal age- and stage-dependent foraging niches in tufted puffins. Mar Ecol Prog Ser 363: 287-298
170. Williams CT, Iverson SJ, Buck CL (2009) The effects of diet and caloric restriction on adipose tissue fatty acid signatures of tufted puffin (Fratercula cirrhata) nestlings. J Comp Physiol B Biochem Syst Environ Physiol 179: 711-720
171. Wilson RP (1984) An improved stomach pump for penguins and other seabirds. J Field Ornithol
172. Wolf N, Carleton SA, Martínez del Rio C (2009) Ten years of experimental animal isotope ecology. Funct Ecol 23: 17-26
173. Woo KJ, Elliott KH, Davidson M, Gaston AJ, Davoren GK (2008) Individual specialization in diet by generalist marine predator reflects specialization in foraging behavior. J Anim Ecol 77: 1082-1091
174. Xavier JC, Cherel Y (2009) Cephalopod beak guide for the Southern Ocean. British Antarctic Survey, Cambridge
175. Xavier JC, Phillips RA, Cherel Y (2011) Cephalopods in marine predator diet assessments: why identifying upper and lower beaks is important. ICES J Mar Sci 68: 1857-1864