Integrating stomach content and stable isotope analyses to quantify the diets of pygoscelid penguins

PLoS ONE

Volumn 6, Issue 10, 2011, Pages

  Polito, Michael J ^a   Trivelpiece, Wayne Z ^b   Karnovsky, Nina J ^c   Ng, Elizabeth ^c   Patterson, William P ^d   Emslie, Steven D ^a  

^a UNIVERSITY OF NORTH CAROLINA WILMINGTON   (United States)

^b SOUTHWEST FISHERIES SCIENCE CENTER   (United States)

^c POMONA COLLEGE   (United States)

^d UNIVERSITY OF SASKATCHEWAN   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

ACCURACY; ARTICLE; BIOMASS; CONTROLLED STUDY; FISH; FOOD INTAKE; ISOTOPE ANALYSIS; ISOTOPIC MIXING MODEL; MODEL; NONHUMAN; PENGUIN; PREDICTION; PREY; PYGOSCELIS ANTARCTICA; PYGOSCELIS PAPUA; SPECIES DIFFERENCE; STABLE ISOTOPE ANALYSIS; STOMACH CONTENT; TAXONOMY; ANIMAL; BIOLOGICAL MODEL; CHEMISTRY; DIET; FEATHER; FEMALE; GEOGRAPHY; ISOTOPE LABELING; MALE; METABOLISM; METHODOLOGY; PREDATION; STOMACH JUICE; VESTIBULE;

EUPHAUSIACEA; PYGOSCELIS ANTARCTICUS; SPHENISCIDAE;

CARBON; NITROGEN;

ANIMALS; CARBON ISOTOPES; DIET; FEATHERS; FEMALE; FISHES; GASTROINTESTINAL CONTENTS; GEOGRAPHY; ISOTOPE LABELING; MALE; MODELS, BIOLOGICAL; NITROGEN ISOTOPES; OTOLITHIC MEMBRANE; PREDATORY BEHAVIOR; SPECIES SPECIFICITY; SPHENISCIDAE;

EID: 80055049721     PISSN: None     EISSN: 19326203     Source Type: Journal    
DOI: 10.1371/journal.pone.0026642     Document Type: Article

References (50)

1. Boyd IL, Wanless S, Camphuysen CJ, eds. (2006) Top Predators in Marine Ecosystems: Their role in Monitoring and Management Cambridge Cambridge University Press.
2. Barrett RT, Camphuysen K, Anker-Nilssen T, Chardine JW, Furness RW, et al. (2007) Diet studies of seabirds: a review and recommendations. ICES J Mar Sci 64: 1675-1691.
3. Duffy DC, Jackson S, (1986) Diet studies of seabirds: a review of methods. Colon Waterbirds 9: 1-17.
4. Wilson RP, (1984) An improved stomach pump for penguins and other seabirds. J Field Ornithol 55: 109-112.
5. Ryan PG, Jackson S, (1986) Stomach pumping: is killing seabirds necessary. Auk 103: 427-428.
6. Karnovsky NJ, (1997) The fish component of Pygoscelis penguin diets. MS thesis. Bozeman: Montana State University.
7. Olsson O, North AW, (1997) Diet of the king penguin Aptenodytes patagonicus during three summers at South Georgia. Ibis 139: 504-512.
8. Votier SC, Bearhop S, MacCormick A, Ratcliffe NR, Furness RW, (2003) Assessing the diet of great skuas, Catharacta skua, using five different techniques. Polar Biol 26: 20-26.
9. Tierney M, (2009) Temporal variability and evaluation of methods used to infer diet of a Southern Ocean predator, the Adélie penguin Pygoscelis adeliae. PhD dissertation. Hobart: University of Tasmania.
10. Gales RP, (1987) Validation of the stomach-flushing technique for obtaining stomach contents of penguins. Ibis 129: 335-343.
11. Jackson S, Ryan PG, (1986) Differential digestion rates of prey by white-chinned petrels Procellaria aequinoctialis. Auk 103: 617-619.
12. Jackson S, Duffy DC, Jenkins G, (1987) Gastric digestion in marine vertebrate predators: in vitro standards. Funct Ecol 1: 287-291.
13. Casaux RJ, Favero M, Barrera-Oro ER, Silva P, (1995) Feeding trial on an Imperial cormorant Phalacrocorax atriceps: preliminary results on fish intake and otolith digestion. Mar Ornithol 23: 101-106.
14. Hobson KA, (2009) Trophic Interactions between Cormorants and Fisheries: Towards a More Quantitative Approach Using Stable Isotopes. Waterbirds 32 (4): 481-490.
15. Bond AL, Jones IL, (2009) A practical introduction to stable-isotope analysis for seabird biologists: approaches, cautions and caveats. Mar Ornithol 37: 183-188.
16. Inger R, Bearhop S, (2008) Applications of stable isotope analyses to avian ecology. Ibis 150: 447-461.
17. 13C in tissues. Condor 94: 181-188.
18. Cherel Y, Hobson KA, Bailleul F, Groscolas R, (2005) Nutrition, physiology, and stable isotopes: new information from fasting and molting penguins. Ecology 86: 2881-2888.
19. Jaeger A, Connan M, Richard P, Cherel Y, (2010) Use of stable isotopes to quantify seasonal changes of trophic niche and levels of population and individual specialization in seabirds. Mar Ecol Prog Ser 401: 269-277.
20. Phillips DL, Gregg JW, (2001) Uncertainty in source partitioning using stable isotopes. Oecologia 127: 171-179.
21. Parnell AC, Inger R, Bearhop S, Jackson AL, (2010) Source partitioning using stable isotopes: coping with too much variation. PLoS ONE 5: e9672.
22. 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.
23. 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 evidence from stable isotopes and fatty acids. Mar Ecol Prog Ser 419: 267-282.
24. Polito MJ, Lynch HJ, Naveen R, Emslie SD, (2011) Stable isotopes reveal regional heterogeneity in the pre-breeding distribution and diets of sympatrically breeding Pygoscelis penguins. Mar Ecol Prog Ser 421: 265-277.
25. Phillips DL, Newsome SD, Gregg JW, (2005) Combining sources in stable isotope mixing models: alternative methods. Oecologia 144: 520-527.
26. Bugoni L, McGill RAR, Furness RW, (2010) The importance of pelagic longline fishery discards for a seabird community determined through stable isotope analysis. J Exp Mar Biol Ecol 391 (1-2): 190-200.
27. 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.
28. Tierney M, Southwell C, Emmerson LM, Hindell MA, (2008) Evaluating and using stable isotope analysis to infer diet composition and foraging ecology of Adélie penguins Pygoscelis adeliae. Mar Ecol Prog Ser 355: 297-307.
29. Chiaradia A, Forero MG, Hobson KA, Cullen JM, (2010) Changes in diet and trophic position of a top predator 10 years after a mass mortality of a key prey. ICES J Mar Sci 67 (8): 1710-1720.
30. Knoff AJ, Macko SA, Edwin RM, Brown KM, (2002) Stable isotope analysis of temporal variation in the diets of pre-fledged laughing gulls. Colon Waterbirds 25: 142-148.
31. 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.
32. 13C) analyses. Aquat Biol 9: 13-22.
33. Volkman NJ, Presler P, Trivelpiece W, (1980) Diets of Pygoscelid penguins at King George Island, Antarctica. Condor 82: 373-378.
34. Miller AK, Trivelpiece WZ, (2008) Chinstrap Penguins alter foraging and diving behavior in response to the size of their principal prey, Antarctic krill. Mar Biol 154: 201-208.
35. Miller AK, Karnovsky NJ, Trivelpiece WZ, (2009) Flexible foraging strategies of Gentoo Penguins provide a buffer against inter-annual changes in prey availability. Mar Biol 156: 2527-2537.
36. Miller AK, Kappes MA, Trivelpiece SG, Trivelpiece WZ, (2010) Foraging-Niche Separation of Breeding Gentoo and Chinstrap Penguins, South Shetland Islands, Antarctica. Condor 112 (4): 683-695.
37. CCAMLR (1997) CCAMLR Ecosystem Monitoring Program: standard methods for monitoring studies Hobart CCAMLR.
38. Ainley DG, Ballard G, Barton KJ, Karl BJ, Rau GH, et al. (2003) Spatial and temporal variation of diet within a presumed metapopulation of Adélie penguins. Condor 105: 95-106.
39. Lishman GS, (1985) The food and feeding ecology of Adélie Penguins (Pygoscelis adeliae) and Chinstrap Penguins (P. antarctica) at Signy Island, South Orkney Islands. J Zool Lon 205 (A): 245-263.
40. Ainley DG, Wilson PR, Barton KJ, Ballard G, Nur N, Karl B, (1998) Diet and foraging effort of Adélie penguins in relation to pack-ice conditions in the southern Ross Sea. Polar Biol 20: 311-319.
41. Williams R, McEldowney A, (1990) A guide to the fish otoliths from waters of the Australian Antarctic Territory, Heard and Macquarie Islands. ANARE Res. Notes 75: 1-169.
42. Polito M, Emslie SD, Walker W, (2002) A 1,000-year record of Adélie penguin diets in the southern Ross Sea. Antarct Sci 14: 327-332.
43. Hecht T, (1987) A guide to the otoliths of Southern Ocean fishes. S Afr J Antarct Res 17: 2-87.
44. Nyssen F, (2005) Role of benthic amphipods in Antarctic trophodynamics- a multidisciplinary study. PhD dissertation. Liège: Université de Liège.
45. Cherel Y, Koubbi P, Giraldo G, Penot F, Tavernier E, et al. (2011) Isotopic niches of fishes in coastal, neritic and oceanic waters off Adélie Land, Antarctica. Polar Sci 5 (2011): 286-297.
46. Seminoff JA, Bjorndal KA, Bolten AB, (2007) Stable carbon and nitrogen isotope discrimination and turnover in pond sliders Trachemys scripta: insights for trophic study of freshwater turtles. Copeia 3: 534-542.
47. Polito MJ, Fisher S, Tobias CR, Emslie SD, (2011) Dietary Isotopic Discrimination in Gentoo Penguin (Pygoscelis papua) Feathers. Polar Biol 34: 1057-1063.
48. Jansen JK, Boveng PL, Bengtson JL, (1998) Foraging modes of chinstrap penguins: contrasts between day and night. Mar Ecol Prog Ser 165: 161-172.
49. 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 (2): e16484.
50. Bond AL, Diamond AW, (2010) Recent Bayesian stable isotope mixing models are highly sensitive to variation in discrimination factors. Ecol Appl 21 (4): 1017-1023.