Other Factors Affcctiu}^ Thermal Stratification 37 



LATE 



SPRING 



warm, oxygenated 

 ^}iii fish producing zone 



cool, transitional zone 



cold, partially stagnant 



limited fish and invertebrates 



LATE 



SUMMER III 



lower water level 



warm, oxygenated 



fish producing zone 



cool, transitional zone 



warm 

 tailwater 



cold, stagnant 



no fish or aquatic life 



Figure 2.7. Storage reservoirs with shallow water outlets. Warm-water fishes 

 congregate in these tailwaters, having migrated upstream from below. Tail- 

 water fishing is popular, and in a warm tailwater, fishermen may catch a variety 

 of fishes. [Redrawn from Stroud, R. H., and Jenkins, R. M., S.F.I. Bull, 98 



(I960)] 



