Growth, condition, survival and feeding rate of the Pacific oyster (Crassostrea gigas Thunberg) cultured in three distinct South African environments

摘要: 14 Introduction 16 Materials and methods 17 Study sites Temperature chlorophyll a 18 Oyster stocks husbandry Measurements of growth: live dry mass gain 20 condition index 21 Mortality fouling 22 Results 23 Environmental variables Growth 26 Position within cage influenced growth 34 condition: shell relative to body DWCI 35 Seasonal patterns in 37 40 Discussion 44 Summary 47 Stellenbosch University http://scholar.sun.ac.za