Lakes and RiversThe geography and geology of lakes and rivers is a fascinating subject. From plankton to larger fishes and wildlife, rivers and lakes are rich with biodiversity. The earliest civilizations were based around rivers such as the Nile, Tigris and Euphrates, a |
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Contents
Freshwater Lakes and Rivers | 1 |
Physical Geography of Lakes and Rivers | 26 |
River and Lake Portraits | 57 |
Biology of Lakes and Rivers | 90 |
Ecology of Lakes and Rivers | 128 |
Rivers and Lakes in History | 151 |
Uses of Lakes and Rivers | 170 |
Threats to Lakes and Rivers | 186 |
Conclusion | 217 |
Glossary | 237 |
246 | |
Web Sites | 248 |
251 | |
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Common terms and phrases
acid Africa algae altered Amazon animals aquatic Asw¯an basin become biodiversity biological community biome bottom bottom-living caddis caddis fly changes chemical climate Congo consume contains Danube delta deposition dissolved downstream drainage basin Earth’s surface ecosystems effect energy environment environmental erosion eutrophic feet fish species fishery flood floodplain food chain forest freshwater freshwater ecosystems freshwater fish freshwater systems genus greenhouse habitats human invertebrates irrigation Lake Baikal Lake Nasser Lake Victoria lakes and rivers land larvae layer living lower major malaria miles million Mississippi Nile perch North nutrients oceans organisms oxygen particles percent photosynthesis phytoplankton plankton plants pollution ponds population predators prey produce regions river flow river system rock runoff salts scientists sediment sewage shallow sidebar soil stream substances swim temperature tion tributaries trophic level trout warm water flow water molecules wetlands world’s largest Yenisey zebra mussels zooplankton