Quantifying variation in δ 13C and δ 15N isotopes within and between feathers and individuals: Is one sample enough?

详细信息    查看全文

• 作者：W. James Grecian ; Rona A. R. McGill ; Richard A. Phillips ; Peter G. Ryan…
• 刊名：Marine Biology
• 出版年：2015
• 出版时间：April 2015
• 年：2015
• 卷：162
• 期：4
• 页码：733-741
• 全文大小：319 KB
• 参考文献：1. Authier, M, Dragon, A-C, Cherel, Y, Guinet, C (2012) How large is large: estimating ecologically meaningful isotopic differences in observational studies of wild animals. Rapid Commun Mass Spectrom 26: pp. 2657-2664 g/10.1002/rcm.6389" target="_blank" title="It opens in new window">CrossRef
  2. Bates D, Maechler M, Bolker BM, Walker S (2014) lme4: Linear mixed-effects models using Eigen and S4. R package version 1.1-6. g/package=lme4" class="a-plus-plus">http://CRAN.R-project.org/package=lme4
  3. Bearhop, S, Waldron, S, Votier, SC, Furness, RW (2002) Factors that influence assimilation rates and fractionation of nitrogen and carbon stable isotopes in avian blood and feathers. Physiol Biochem Zool 75: pp. 451-458 g/10.1086/342800" target="_blank" title="It opens in new window">CrossRef
  4. Best, PB, Schell, DM (1996) Stable isotopes in southern right whale (Eubalaena australis) baleen as indicators of seasonal movements, feeding and growth. Mar Biol 124: pp. 483-494 g/10.1007/BF00351030" target="_blank" title="It opens in new window">CrossRef
  5. Bolnick, DI, Svanb?ck, R, Fordyce, JA, Yang, LH, Davis, JM, Hulsey, CD, Forister, ML (2003) The ecology of individuals: incidence and implications of individual specialization. Am Nat 161: pp. 1-28 g/10.1086/343878" target="_blank" title="It opens in new window">CrossRef
  6. Bridge, ES (2006) Influences of morphology and behavior on wing-molt strategies in seabirds. Mar Ornithol 34: pp. 7-19
  7. Brooke M (2004) Albatrosses and petrels across the world. Oxford University Press, Oxford
  8. Carravieri, A, Bustamante, P, Churlaud, C, Fromant, A, Cherel, Y (2014) Moulting patterns drive within-individual variations of stable isotopes and mercury in seabird body feathers: implications for monitoring of the marine environment. Mar Biol 161: pp. 963-968 g/10.1007/s00227-014-2394-x" target="_blank" title="It opens in new window">CrossRef
  9. Catry, P, Poisbleau, M, Lecoq, M, Phillips, RA (2013) Differences in the timing and extent of annual moult of black-browed albatrosses Thalassarche melanophris living in contrasting environments. Polar Biol 36: pp. 837-842 g/10.1007/s00300-013-1309-5" target="_blank" title="It opens in new window">CrossRef
  10. Ceia, FR, Phillips, RA, Ramos, JA, Cherel, Y, Vieira, RP, Richard, P, Xavier, JC (2012) Short- and long-term consistency in the foraging niche of wandering albatrosses. Mar Biol 159: pp. 1581-1591 g/10.1007/s00227-012-1946-1" target="_blank" title="It opens in new window">CrossRef
  11. Chang, Y, Hatch, KA, Ding, T, Eggett, DL, Yuan, H, Roeder, BL (2008) Using stable isotopes to unravel and predict the origins of great cormorants (Phalacrocorax carbo sinensis) overwintering at Kinmen. Rapid Commun Mass Spectrom 22: pp. 1235-1244 g/10.1002/rcm.3487" target="_blank" title="It opens in new window">CrossRef
  12. Cherel, Y, Hobson, KA, Bailleul, F, Groscolas, R (2005) Nutrition, physiology, and stable isotopes: new information from fasting and molting penguins. Ecology 86: pp. 2881-2888 g/10.1890/05-0562" target="_blank" title="It opens in new window">CrossRef
  13. Cherel, Y, Phillips, RA, Hobson, KA, McGill, R (2006) Stable isotope evidence of diverse species-specific and individual wintering strategies in seabirds. Biol Lett 2: pp. 301-303 g/10.1098/rsbl.2006.0445" target="_blank" title="It opens in new window">CrossRef
  14. Cherel, Y, Kernaléguen, L, Richard, P, Guinet, C (2009) Whisker isotopic signature depicts migration patterns and multi-year intra- and inter-individual foraging strategies in fur seals. Biol Lett 5: pp. 830-832 g/10.1098/rsbl.2009.0552" target="_blank" title="It opens in new window">CrossRef
  15. Crossin, GT, Phillips, RA, Lattin, CR, Romero, LM, Williams, TD (2013) Corticosterone mediated costs of reproduction link current to future breeding. Gen Comp Endocrinol 193: pp. 112-120 g/10.1016/j.ygcen.2013.07.011" target="_blank" title="It opens in new window">CrossRef
  16. Fox, AD, Hobson, KA, Kahlert, J (2009) Isotopic evidence for endogenous protein contributions to greylag goose Anser anser flight feathers. J Avian Biol 40: pp. 108-112 g/10.1111/j.1600-048X.2009.04720.x" target="_blank" title="It opens in new window">CrossRef
  17. Furness, RW (1987) The Skuas. T. & A.D. Poyser, Calton
  18. Furness, RW, Crane, JE, Bearhop
• 刊物类别：Biomedical and Life Sciences
• 刊物主题：Life Sciences
  Ecology
  Biomedicine
  Oceanography
  Microbiology
  Zoology
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1432-1793

文摘

Studies of avian migration increasingly use stable isotope analysis to provide vital trophic and spatial markers. However, when interpreting differences in stable isotope values of feathers, many studies are forced to make assumptions about the timing of moult. A fundamental question remains about the consistency of these values within and between feathers from the same individual. In this study, we examine variation in carbon and nitrogen isotopes by sub-sampling feathers collected from the wings of adults of two small congeneric petrel species, the broad-billed Pachyptila vittata and Antarctic prion P. desolata. Broad-billed prion feather vane material was enriched in 15N compared to feather rachis material, but there was no detectable difference in δ 13C. Comparison of multiple samples taken from Antarctic prion feathers indicated subtle difference in isotopes; rachis material was enriched in 13C compared to vane material, and there were differences along the length of the feather, with samples from the middle and tip of the feather depleted in 15N compared to those from the base. While the greatest proportion of model variance was explained by differences between feathers and individuals, the magnitude of these within-feather differences was up to 0.5?-in δ 15N and 0.8?-in δ 13C. We discuss the potential drivers of these differences, linking isotopic variation to individual-level dietary differences, movement patterns and temporal dietary shifts. A novel result is that within-feather differences in δ 13C may be attributed to differences in keratin structure within feathers, suggesting further work is required to understand the role of different amino acids. Our results highlight the importance of multiple sampling regimes that consider both within- and between-feather variation in studies using stable isotopes.