References
- Kline, T. C., Goering, J. J., Mathisen, O. A. & Poe, P. H., 1990: Recycling of elements transported upstream by runs of Pacific salmon: II. δ15N and δ13C evidence in the Kvichak River watershed, Bristol Bay, Southwestern Alaska. — Can. J. Fish. Aquat. Sci. 50: 2350–2365.
- Koo, T. S. Y., 1962: Age designation in salmon. — In: Koo, T. S. Y., (ed.): Studies of Alaska Red Salmon: 1: 37–48. — University of Washington. Publications in Fisheries, New Series, Seattle.
- Minagawa, M. & Wada, E., 1984: Stepwise Enrichment of Del 15 N Along Food Chains: further evidence and the relation between Del 15 N and Animal Age. — Geochim. Cosmochim. Acta 48: 1135–1140.
- Perry, R. I., Welch, D. W, Harrison, P. J., Maackas, D. L. & Denman, K. L., 1998: Epipelagic fish production in the open Subarctic Pacific: bottom up or self-regulating control? Pices Press. — Pices VI: 26–32