Salmonidae 

 (continued) 



Oncorhynchus nerka Ne 



Juvenile 



Salinity 

 Populations 

 Age class distribution 

 Reproduction 



Oncorhynchus 

 tshawytscha 



diseases 

 Parasite life history 

 Host parasite interactions 

 Prophylactic treatment 

 Infectious hematopoietic necrosis 

 Effect on fish 



Tissue culture techniques 

 History of fisheries 

 Fishing gear selectivity 

 Experimental analysis 

 Netting 

 Fishery dynamics 

 Natural mortality 

 Young 

 Migrations 

 Productivity 



Captive vs natural fishes 

 Spawning channels 

 Hatchery productivity 

 Regulation of catch 



Maximum yield 

 Spawning channels 

 Natural mortality 



Experimental analysis 

 Fry 

 Artificial propagation and planting 

 Water pollutants 

 Kraft mill effluents 

 Effect on fish 

 Hemoglobin 



Lethal environmental limits 

 Poisonous gas pollutants 

 Hydrogen sulfide 

 Effect on fish 



Lethal environmental limits 

 Heavy metal pollutants 

 Mercury 



Pollutant content 



Experimental analysis 

 Intermediary metabolism 

 Experimental analysis 

 Organic pollutants 

 Pulp fiber sediment 

 Effect on fish 



Lethal environmental limits 

 Waste treatment for habitat 

 Pulp fiber sediment 

 Experimental analysis 

 Spoilage problems 



ATP content and function 

 Marking and lagging 

 Effect on fish 



Juvenile 

 Liquid nitrogen 



Experimental analysis 

 Captive vs natural fishes 

 Fry 



Natural mortality 

 Skeleton age study 



Pectoral fins 

 Outdoor census and sampling 

 Migrations 

 Trapping 

 Mathematical population models 



Oncorhynchus rhodurus 

 Gills 



Surface volume relationship 

 Anatomy 

 Function 



Oncorhynchus tshanytscha 



General structure and behavior 

 Oxygen consumption 

 Change with age 



Experimental analysis 

 Isoenzymes 



L'ltras true lure 

 Ion and water relationships 

 Seasonal races 



Experimental analysis 

 Nose 



Migrations 



Experimental analysis 



Nervous electrophysiology 



808376 

 805351 

 807275 

 808706 

 806018 



803763 



806434 

 805347 

 807665 



807759 

 808923 

 807424 

 808659 



807355 

 807355 

 805641 



808552 

 808552 



808155 

 807287 



808925 

 807416 



808521 

 803601 



807476 

 807477 

 807476 

 807477 



Neuroendocrine substances 

 Biochemistry 



Descriptive evolution 

 Oxytocin 



Ultrastructure 



Ultras tructure 

 Gonadotropin 



Protein specificity 

 Reptilia 

 Gills 



Enzymology 



Experimental analysis 



Immunological analysis 



Biochemical blood constituents 



Biochemical sex differences 



Age at maturity 

 Amino acids 



Change with age 

 Fecundity 

 Sexually dimorphic blood cell counts 



Age at maturity 

 Yolk sac 



Effect on fish 



Swimming endurance 

 Age at maturity 

 Effect on fish 



Biochemical blood constituents 

 Rate of growth 



lysis 



Thyroid 



Experimental 

 Exercise 



Effect on fish 

 Protein requirements 

 Amino acid requirements 

 Vitamin requirements 



Vitamin-E 



Experimental analyst 

 Polyploidy 

 Geographic variation 



Scale age study 

 Reservoirs 



Effect on fish 

 Migrations 



habitat 

 alysis 



Distribution withii 

 Experimental ar 

 Temperature 

 Effect on fish 

 Oxygen 

 Lethal ei 

 Self protection 

 Radioactivity 



Lethal environmental limits 

 Experimental analysis 

 Egg 

 Iodine 



Effect on fish 

 Salinity 



Effect on fish 

 Migrations 



Memory mechanisms 

 Hirudinea 

 As parasite 

 Fry 

 Copepoda 



Parasite sysiematics 

 Host specificity 

 Distribution 

 Young 



Seasonal changes 

 Seasonal changes 

 Populations 



Scale age study 

 Identification 

 Population changes 



Availability and use of food 

 Distribution within habitat 

 Home range and homing 

 Nose 



Experimental analysis 

 Memory mechanisms 

 Experimental analysis 

 Migrations 

 Nose 



Experimental analysis 



Young 

 Juvenile 



Seasonal changes 

 Age at maturity 



805152 

 805152 



808657 

 807777 



807826 



807777 



807784 



808799 

 803601 



808521 

 806873 

 806873 



806617 

 806617 



807731 

 807923 



803526 

 807838 

 808657 



808769 

 806873 



807476 

 807477 

 808797 

 806025 

 808657 

 808728 



424 



