Sprache: Englisch
Verlag: Comstock Publishing Associates. Ithaca, New York. 1975, 1975
ISBN 10: 0801409187 ISBN 13: 9780801409189
Anbieter: Coch-y-Bonddu Books Ltd, MACHYNLLETH, Vereinigtes Königreich
Verbandsmitglied: PBFA
Erstausgabe
EUR 11,88
Anzahl: 1 verfügbar
In den WarenkorbALL UK PARCELS SENT TRACKED! ALL OVERSEAS PARCELS SENT AIRMAIL, TRACKED! (S/hand, Hardcover, 1975). (1953) 1975 1st edition thus. 8vo (144 x 219mm). Pp288. B/w line illustrations, bibliography. Blue-green cloth, spine titled in silver-gilt. Stained and used. Good in used dust-wrapper. A general introduction to the study and management of fisheries. Chapters include: Introduction; Characteristics of fishes, Fishing gear; Population identification; Age and growth; Estimating population size; Mortality; Recruitment and yield; Fish marking; Factors limiting abundance; Pollution; Habitat improvement; Small pond management; Screens and guiding devices; Fishways; Role of hatchery-reared fish; Stocking; Control of undesirable species; Regulations and their effects. .