Streams, Lakes, Ponds |
Contents
A Little About Water | 3 |
Light and Heat in Water ΙΟ | 10 |
Distribution Circulation Stratification | 18 |
Copyright | |
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Common terms and phrases
abundant 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 flatworms flow food supply free oxygen fresh water 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 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