The Ecology of River SystemsBryan R. Davies, Keith F. Walker Our understanding of the ecology of running waters has come a long way during the past few years. From being a largely descriptive subject, with a few under tones concerned with such things as fisheries, pollution or control of blackflies, it has evolved into a discipline with hypotheses, such as the River Continuum Concept (Vannote et a/. 1980), and even a book suggesting that it offers opportunity for the testing of ecological theory (Barnes & Minshall 1983). However, perusal of the literature reveals that, although some of the very early studies were concerned with large rivers (references in Hynes 1970), the great mass of the work that has been done on running water has been on streams and small rivers, and information on larger rivers is either on such limited topics as fisheries or plankton, scattered among the journals, or not available to the general limnologist. The only exceptions are a few books in this series of publications, such as those on the Nile (Rz6ska 1976), the Volga (Morduckai Boltovskoi 1979) and the Amazon {Sioli 1984), and the recent compendium by Whitton (1984) on European rivers, among which there are a few that rate as large. |
Contents
9 | |
25 | |
2B Zooplankton of the Niger system | 49 |
The Nile River system | 59 |
3A Zooplankton of the Nile system | 75 |
The OrangeVaal River system | 89 |
4C Fish of the OrangeVaal system | 143 |
The Volta River system | 163 |
The Mackenzie River system | 425 |
10A Environmental features of the Mackenzie system | 435 |
10B Invertebrates of the Mackenzie system | 473 |
10C Fish and fisheries of the Mackenzie system | 493 |
10D Resources and development of the Mackenzie system | 517 |
The Paraná River system | 541 |
11A Aquatic plants of the Paraná system | 557 |
11B Fish of the Paraná system | 573 |
5A Zoobenthos of the Volta system | 185 |
The Zaïre River system | 201 |
6A Fish of the Zaïre system | 215 |
The Zambezi River system | 225 |
7A Fish of the Zambezi system | 269 |
The Amazon River system | 289 |
8A Aquatic plants of the Amazon system | 319 |
8B Fish of the Amazon system | 339 |
The Colorado River system | 353 |
9A Reservoirs of the Colorado system | 375 |
9B Fish of the Colorado system | 385 |
9C Lotic zoobenthos of the Colorado system | 403 |
11C Zoobenthos of the Paraná system | 589 |
The Uruguay River system | 599 |
The MurrayDarling River system | 631 |
13A Zooplankton of the MurrayDarling system | 661 |
13B Fish of the MurrayDarling system | 679 |
The Mekong River system | 695 |
14A Fish of the Lower Mekong Basin | 721 |
743 | |
769 | |
781 | |
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Common terms and phrases
abundant Africa Alberta Amazon Amazonian annual aquatic Arctic areas B. R. Davies Barbus benthic biomass Bonetto Cahora Bassa Canada Canyon catchment channel chironomids cichlids Cladocera Colorado River communities densities Dept distribution diversity dominated downstream drainage Ecology ecosystem environment Environmental Ephemeroptera fauna fish fisheries flood floodplain flow forest freshwater habitats headwaters Hydrobiologia impoundment increased invertebrates Junk km² Lake Athabasca Lake Kariba Lake Volta Limnol Limnology Lower Zambezi Mackenzie River mainstem man-made lakes Mekong migrations Minckley Murray Neiff Niger Nile northern numbers nutrient occur oligochaetes Orange River Paraná Peace-Athabasca Delta phytoplankton plankton plants populations production régime region regulation Rept reservoirs Río River Basin River system salinity season sediments Simuliidae Sioli Slave Lake soils South southern spawning species streams studies Table temperatures tributaries tropical trout turbid Univ Upper upstream Uruguay Vaal vegetation water levels Zaïre Zambezi zoobenthos Zool zooplankton