Publicado por Freshwater Biological Association. Ambleside, Westmorland. 1942, 1942
Librería: Coch-y-Bonddu Books Ltd, MACHYNLLETH, Reino Unido
Miembro de asociación: PBFA
Original o primera edición
EUR 17,71
Cantidad disponible: 1 disponibles
Añadir al carritoALL UK PARCELS SENT TRACKED! ALL OVERSEAS PARCELS SENT AIRMAIL, TRACKED! (S/hand, Paperback, 1942). 1942 1st edition. 8vo stapled paperback (140 x 215mm). Pp36. B/w line illustrations. Grey-brown card covers printed in black. A little creased but very good. Titled on the front cover: "Freshwater Biological Association of the British Empire. Scientific Publication No. 6. The Production of Freshwater Fish for Food. By T.T. Macan. M.A., Ph.D., C.H. Mortimer, B.Sc., Dr. Phil. and E.B. Worthington, M.A., Ph.D. (Freshwater Biological Association). Price to non-member 1s. 6d. 1942." Chapters include: Useful fish; The food chain in natural waters; Productivity of natural waters; Methods of increasing productivity; Pond management and construction; Stocking and cropping; Layout of a carp farm; Sewage fishponds; Perch trapping; Eel fisheries. .