Some books from the shelf
Why not these?
Upstream – Salmon and Society in the Pacific Northwest, National Research Council 1996, ISBN 0-309- 05325-0.
Animal Physiology – Adaption and Environment, Knut Schmidt-Nielsen, Cambridge University Press 1997, ISBN 0 521 57098 0.
Letter to a Salmon Fisher’s Son, A. H. Chaytor, John Murray - Albemarle Street 1910.