Salmonidae 

 (continued) 



Oncorhynchus masou 



Oncorhynchus nerka 



Myxosporidiosis 



Host specificity 



Experimental analysis 

 Natural mortality 



Insecticide pollutants 

 Fry 

 Productivity 



Experimental analysis 

 Fisheries improvement 



Angling 

 Artificial propagation and planting 



Introduction for fishery 



Habitat destruction 



Logging 

 Water pollutants 

 Kraft mill effluents 

 Effect on fish 



Lethal environmental limits 

 Insecticide pollutants 

 Effect on fish 

 Enzymology 

 DDT and Dieldrin 

 Pesticide content 

 Fry 

 Marking and tagging 

 Effect on fish 



Experimental analysis 



Migrations 



Outdoor census and samp 

 Liquid nitrogen 



Experimental analysis 

 Outdoor census and sampling 

 Fry 



Nest construction 

 Oncorhynchus masou 

 Key 

 Scales 



Change with age 

 Coloration 



Change with age 



Infraspecific variation 

 Fecundity 



Infraspecific variation 

 Geographic variation 

 Testicular cycles 



Juvenile 



Rate of growth 



Captive vs natural fishes 

 Fry 

 Infraspecific variation 



Migrations 

 Ecotypcs 

 Distribution within habitat 



Captive vs natural fishes 

 Fry 

 Nematoda 



Parasite systematica 

 Distribution 



Young 



Seasonal changes 

 Habitat preference 

 Migrations 



Sex ratio 

 Reproduction 

 Natural mortality 



Captive vs natural fishes 

 Juvenile 



Us 



Water pollutants 



Pounds and live cars 

 Oncorhynchus ncrka 

 Subspecies 

 Mcristics 



Change with age 

 Morphometries 



Experimental analysis 

 Lipid and fatty acid content 

 Change with age 

 Biochemistry 

 Migrations 

 Seasonal changes 

 Biochemistry 

 Young 

 Carole noids 



Fat requirements 



Experimental analysis 



806532 

 806024 

 806032 



807838 



803983 

 805641 

 804694 

 806650 



806037 



806852 

 807442 

 807442 



807538 



807522 



807347 



806552 

 805674 

 807647 



805674 

 806678 



805563 

 808782 



807731 

 804200 

 805678 

 807116 

 808782 

 805674 

 807116 



804953 



807114 

 804604 

 808747 

 807520 



807762 

 808946 



807762 

 808911 



Comparative enzymology 



Aldolase 

 LDH isoenzymes 

 Serum proteins 

 Inheritance 

 Populations 

 Steroid metabolism 

 Cortical hormones 



Experimental analysis 

 Ovary 



Experimental analysis 

 Ion and water relationships 

 Kidney 



Experin 



Migration: 



Experin 



ntal 



Scale 



nalysis 

 nalysis 



Infraspecific variation 

 Anatomy 

 Skull 



Infraorbital bones 



Anatomy 



Descriptive evolution 

 Axial skeletal muscles 

 Biochemistry 



Lipid and fatty acid content 

 Oxidative metabolism 

 DNA content and function 

 Biochemistry 

 Seasonal changes 

 RNA content and function 

 Biochemistry 

 Seasonal changes 

 Red muscles 

 Biochemistry 



Lipid and fatty acid content 

 Oxidative metabolism 

 Lateral line pores and canals 

 Sagitta 



Change with age 

 Anatomy 

 Adcnohypophysis 

 Histology 



Ultrastructure 

 Adrenal cortex 

 Histology 

 Experimental analysis 



Seasonal changes 

 Corticotroph 

 Identification 



Immunological analysis 

 Seasonal changes 

 Gonadotroph 

 Ovary 



Experimental analysis 

 Testis 



Experimental analysis 

 Growth hormone cell 

 Ovary 



Experimental analysis 

 Testis 



Experimental analysis 

 Prolactin cell 

 Identification 



Immunological analysis 

 Migrations 

 Ultrastructure 

 Thyroid hormone 

 Effect on fish 

 Visual pigments 

 Adrenal cortex 

 Seasonal changes 



Experimental analysis 

 Captive vs natural fishes 

 Calcitonin 

 Ultrastructure 



Descriptive evolution 

 Hemoglobin 

 Immunological analysis 



Biochemical blood constituents 

 Polymorphism 

 Liver 



DNA content and function 

 Biochemistry 



Seasonal changes 



RNA content and function 

 Biochemistry 

 Seasonal changes 



807452 

 807452 



804604 

 804604 



806078 



806078 

 806078 



807160 



805937 



807530 



804549 

 807530 

 807530 



807414 

 807414 



807414 

 807414 



807456 



804756 



805939 

 805940 

 805939 

 805940 



422 



