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Book Description Condition: New. (Paperback, 1970). (1967, 1970) 1973 paperback reprint. Small 8vo (108 x 180mm). Pp316, 4pp ads. B/w photographs, illustrations, extensive bibliography. Usual uniform browning, but a solidly intact second-hand paperback. The most definitive monograph on the ecology of the brown trout. This is the New Naturalist monograph re-set in standard paperback form. A dozen or so New Naturalist titles were re-printed in this manner under the Fontana imprint at the beginning of the 1970s. Chapters include: Anatomy and physiology; Taxonomy; Distribution; Life history; Age and growth; Heredity; The physical environment; The trout's food; The biological environment; Trout and man. Appendices include: Routine examination of trout; Age and growth determination from trout scales; Rivers; Lakes; How to calculate specific growth rates; Specific growth rates; Examination of stomach contents of brown trout; List of waters for which we have data on total hardness. . Seller Inventory # 12431