Adams, T.S. & Sterner, R.W. (2000) The effect of dietary nitrogen on trophic level 15N enrichment. Limnology and Oceanography, 45, 601-607. [OpenAIRE]
Bearhop, S., Furness, R.W., Hilton, G.M., Votier, S.C. & Waldron, S. (2003) A forensic approach to understanding diet and habitat use from stable isotope analysis of (avian) claw material. Functional Ecology, 17, 270 - 275. [OpenAIRE]
Bearhop, S., Thompson, D.R., Waldron, S., Russell, I.C., Alexander, G. & Furness, R.W. (1999) Stable isotopes indicate the extent of freshwater feeding by cormorants Phalacrocorax carbo shot at inland fisheries in England. Journal of Applied Ecology, 36, 75 - 84.
Bearhop, S., Waldron, S., Votier, S.C. & Furness, R.W. (2002) Factors that influence assimilation rates, and fractionation of nitrogen and carbon isotopes in avian blood and feathers. Physiological and Biochemical Zoology, 75, 451 - 458. [OpenAIRE]
Begg, G.A. & Weidman, C.R. (2001) Stable delta C-13 and delta O-18 isotopes in the otoliths of haddock Melanogrammus aegelfinus from the northwest Atlantic Ocean. Marine Ecology Progress Series, 216, 223 - 233.
Blondel, J., Chessel, D. & Frochot, B. (1988) Bird species impoverishment, niche expansion, and density inflation in Mediterranean island habitats. Ecology, 69, 1899 - 1917.
Bridle, J.R. & Jiggins, C.D. (2000) Adaptive dynamics: is speciation too easy? Trends in Ecology and Evolution, 15, 225 - 226.
Carrascal, L.M., Moreno, E. & Valido, A. (1994) Morphological evolution and changes in foraging behaviour of island and mainland populations of blue tit (Parus caeruleus) - a test of convergence and ecomorphological hypotheses. Evolutionary Ecology, 8, 25 - 35.
Clegg, S.M. & Owens, I.P.F. (2002) The 'island rule' in birds: medium body size and its ecological explanation. Proceedings of the Royal Society of London Series B, Biology Sciences, 269, 1359 - 1365.
DeNiro, M.J. & Epstein, S. (1978) Influence of diet on the distribution of carbon isotopes in animals. Geochimica et Cosmochimica Acta, 42, 495 - 506. [OpenAIRE]
DeNiro, M.J. & Epstein, S. (1981) Influence of diet on the distribution of nitrogen isotopes in animals. Geochimica et Cosmochimica Acta, 45, 341 - 351.
Diamond, J.M. (1970) Ecological consequences of island colonization by southwest Pacific birds. I. Types of niche shifts. Proceedings of the National Academy of Sciences of the United States of America, 67, 529 - 536. [OpenAIRE]
France, R. (1995) Differentiation between littoral and pelagic food webs in lakes using stable carbon isotopes. Limnology and Oceanography, 40, 1310 -1313.
Genner, M.J., Turner, G.F., Barker, S. & Hawkins, S.J. (1999) Niche segregation among Lake Malawi cichlid fishes? Evidence from stable isotope signatures. Ecology Letters, 2, 185 - 190.
Gosler, A.G. & Carruthers, T.D. (1994) Bill size and niche breadth in the Irish coal tit Parus ater hibernicus. Journal of Avian Biology, 25, 171 -177.