Streams, Lakes, Ponds |
From inside the book
Results 1-3 of 92
Page 127
... river by drainage from marginal pools , back- waters , and swamps and in other ways ; but the capacity for sur ... rivers , other than those that originate in the Rivers 127.
... river by drainage from marginal pools , back- waters , and swamps and in other ways ; but the capacity for sur ... rivers , other than those that originate in the Rivers 127.
Page 130
... river - lake , " is commonly called a " reservoir . " Such an impoundment may sometimes , however , result from natural causes . In the course of the Mississippi River , Lake Pepin , more than 20 miles long , two and a half miles in ...
... river - lake , " is commonly called a " reservoir . " Such an impoundment may sometimes , however , result from natural causes . In the course of the Mississippi River , Lake Pepin , more than 20 miles long , two and a half miles in ...
Page 134
... river . The effects of domestic and industrial pollution on oxygen supply and in other ways are considered in a following chapter . Sedentary Life There is life in the river from its very source , but the quantity and composition of the ...
... river . The effects of domestic and industrial pollution on oxygen supply and in other ways are considered in a following chapter . Sedentary Life There is life in the river from its very source , but the quantity and composition of the ...
Contents
Acknowledgment | 7 |
Distribution Circulation Stratification | 18 |
ΙΟ | 31 |
Copyright | |
13 other sections not shown
Other editions - View all
Common terms and phrases
algae amount aquatic plants atmosphere back swimmers bacteria bass beetles biological body of water bottom brook brook trout calcium carbon dioxide carp chapter chemical Cladocera color copepods crustacea cycle Daphnia decomposition deeper water density depth diatoms dissolved oxygen dragonfly drifting effects eggs epilimnion feed fertilization fish flatworms flow food supply free oxygen fresh waters freshwater fungi gases gills greater green plants heat hypolimnion inch insect larvae insects kinds lake land larger larvae less light live materials mayflies microscopic midge larvae mussels natural waters nitrogen notably numbers nymphs occur odors organic matter oxidation parasites particular photosynthesis plankton plants and animals pollution pond populations predators prey production protozoa region relatively reservoir river rocks rotifers sewage shallow significant silt sludge worms snails soil solution sometimes species stenothermal stratification stream substances surface water swim temperature thermocline tion trout turbid water turbidity upper water wastes worms zone