TY - SER AU - Llorca,Manuel N. TI - Physico-chemical observations in some pilot areas during the peak season of bangus fry, Chanos Chanos in Visayan Provinces SN - 2672-2836 PY - 1976/// CY - Quezon City, Philippines PB - Bureau of Fisheries and Aquatic Resources KW - LCSH KW - Milkfish KW - Philippines KW - AGROVOC KW - Physicochemical processes KW - Milkfish industry N1 - Includes bibliographical references N2 - The research on the biological assessment of bangus, shrimp and eel fry in Luzon, Visayas and Mindanao were ushered in by investigations of the physico-chemical conditions that exist in selected fry grounds during the peak fry seasons in 1974. The survey conducted in the Visayan islands showed that the distribution of the environmental conditions in a given fishing ground has a deep influence on. periodic and seasonal migration and occurrence of fish. The physical and chemical factors influence the abundance of the food indirectly, and the abundance of these species in the fishing areas directly. The results of the survey give us an idea of fish behavior with respect to the environmental conditions ER -