Adaptations, 127
Adaptations, reproductive, 156
Adaptations, to desiccation, 131
Adaptations, to high temperature, 129
Adaptations, to low issolved oxygen, 127
Adaptations, to poor light, 132
Adaptations, to swift current, 132
Agriculture, 235
Air breathing in fish, 128
Allochthonous inputs, 59, 60, 79, 80, 87, 107, 134, 136, 138
Amino acids as a food source, 59
Amphibia, 91
Annual fishes, 131
Aquaculture, 258
Aquatic grasses, 18
Attached algae, 67
Aufwuchs, 67, 80, 134
Autochthonous inputs, 59, 134, 138
Backswamps, 11, 13
Bacteria, 61
Bait in fishing gear, 196
Barrages, 196
Barrier traps, 200
Basin area, relation to river length, 23
Benthos, 87
Benthos, as food, 135
Biomass (see standing crop),
Birds, 92
Blackwaters, 50–53, 73, 90, 177, 179, 183, 222
Blood, affinities for oxygen, 129
Blooms, of phytoplankton, 64
Blooms, of zooplankton, 85
Boats, 203
Brackish water, 118
Braided channels, 10, 11
Brush parks, 260
Carbon material, 46
Carbon material, coarse particulate organic matter (CPOM), 46, 59
Carbon material, fine particulate organic matter (FPOM), 46, 59
Carbon material, particulate organic matter (POM), 59
Carbon material, ultra-fine particulate organic matter (UFPOM), 59
Cast nets, 195
Catch, 212
Catch per unit effort (CPUE), 215
Cattle, 232
Channelization, 246
Channelized reaches, effects on benthos, 88
Channelized reaches, effects on drift, 80
Channels, 11, 74
Channels, habitats of, 104
Channels, length as related to catch, 212
Chilled fish, 203
Clear waters, 51
Community structure, 219
Condition factor, 146
Condominium in feeding, 142
Conductivity, 51
Creeping flow, 37
Crevice dwelling habit, 109
Crocodiles, 91
Crustacea, 86
Current (see flow)
Dams, 239
Debris in channels, 8
Density (=abundance)
Density dependant factors, effect on growth, 149
Density dependant factors, effect on mortality, 170
Density, of bacteria, 61
Density, of bacteria, of phytoplankton, 64
Density, of bacteria, of root fauna, 86
Density, of bacteria, of zooplankton, 80
Deoxygenated conditions, 58, 110, 127
Deposition, 37, 44
Desert rivers, 3
Detritus as a food source, 135
Developmental stage of rivers, 73, 250
Diadromous species, 104
Diet switching, 138
Dissolved oxygen, 56
Dissolved solids, 49
Distribution, 113
Diurnal migration patterns, 119
Drain-in ponds, 260
Drainage basin, 7
Dried fish, 203
Drift, 80
Drift, of young fish, 80, 116, 119
Drought resistant eggs, 131
Environmental impacts, 228–247
Epiphytes, 67
Erosion, 37, 44
Estuaries, 40
Evaporation rates, 41, 42, 44
Evaporation-crystallization process, 47
Fauna associated with floating vegetation, 86
Fecundity, 163
Feeding, 134
Fire, 77
Fish meal, 205
Fish oil, 206
Fish passes, 253
Fishermen, occasional, 191
Fishermen, part-time, 191
Fishermen, professional, 191
Fishery for juvenile fish, 211
Fishing gear, 193
Flood curves, 38
Flood regimes, 9, 36
Flood rivers, 3
Flood wave, 38
Flooding, 36
Floodplain, coastal deltas, 23, 40
Floodplain, features of, 11
Floodplain, fringing, 22
Floodplain, habitats of, 109
Floodplain, internal deltas, 23
Floodplain, meadows, 74, 76
Flow, 35, 228, 240
Flow, effect on phytoplankton, 62
Flow, effect on zooplankton, 82
Food webs, 139
Forest, 10, 18, 72, 90, 234
Forest rivers, 3, 27, 29, 53, 109
Fruit as a food source, 110
Fungi, 61
Gill nets, 195, 202
Glides, 9
Gonado-Somatic Index, 166
Ground water, 42
Growth, 148
Habitats, 104
Higher vegetation, 69
Ice cover, 30, 57
Ichthyotoxic plants, 197
Igapo (flooded forests of the Amazonian basin), 55, 73, 90
Illiophagous feeding, 135
Insect infestation, 206
Insects, 86
Introduction of species, 254
Ionic content, 47, 50
Irrigation, 30
Islands, 11, 69
Juvenile fish, 108
Lagoons, 13, 15
Lakes, 15, 17
Latitud, 54
Leaf litter, 61, 109
Levees, 11, 245
Lift nets, 196
Light, 44, 65
Lines, 202
Litterfall, 61
Littoral zone, 53, 56, 78, 89, 110
Long lines, 196
Lunar phase, 126
Mammals, 92
Management, 228, 251
Migration, 113
Migration, among fishermen, 191
Migration, distance of, 120
Migration, speed of, 120
Migration, types of, 114
Models, of growth, 150
Models, of growth, of mortality, 173
Models, of growth, of standing stock and productivity, 184, 235
Models, of growth, of water balance, 40
Molluscs, 6
Mortality, 54, 170
Mortality rates (Z), 173
Mouth lakes, 17
Mouthbrooding in fishes, 163
Movements, of juveniles, 119
Nest building in fishes, 162
Nets, cast, 195
Nets, gill, 195
Nets, seine, 195
Neustonn, 91
Niche, 143
trophic, 138, 142, 143
Nocturnal habit, 109
Number of species, 94
Nutrient spiralling, 45
Nutrients, 51, 64, 78
Oligochaetes, 86
Ornamental fishes, 249
Otoliths, 149
Overfishing, 215
P/B ratios, 183
Parental care in fishes, 162
Particle size, 36, 44
Periphytic detrital aggregate, 68
pH, 53–54
Phytoplankton, 62
Phytoplankton, as food, 134, 138
Piracema migration pattern, 103, 108, 196, 206
Poisons for fishing, 196, 197
Pollution, 230
Pools, 8, 15, 107
Potamon, 5, 10, 56, 60, 62, 69, 80, 102, 103, 108
Predation, 137
Predator/forage fish ratios, 222
Preservation of fish, 203
Production,
Production, of fish, 181
Production, of phytoplankton, 66
Quality of water, 230
Rainfall (precipitation), 39, 41, 47
Refuge traps, 260
Relative abundance of species, 95
Reproduction, 156
Reproductive guilds, 156
Reptiles, 91
Reservoir rivers, 3, 35
Reservoirs, 265
Reservoirs, influence on fish populations, 243
Reservoirs, influence on riverine phytoplankton, 63
Reservoirs, influence on riverine zooplankton, 82
Rheophilic zooplankton, 82
Rhithron, 5, 8, 56, 60, 69, 101, 102, 103, 107, 161, 184
Rice-fish culture, 191, 238, 262
Riffles, 8, 56, 69, 101, 107, 135, 184
Rings on scales and other hard structures, 149
River continuum, 59, 102
Sahelian rivers (Senegal, Niger, Chari systems), 41, 233
Salt fish, 203
Salt marsh, 3, 46
Savanna rivers, 3, 25, 53, 73, 110
Seasonal starvation in fish, 147
Seasonality, of feeding in fish, 146
Seasonality, of fishing, 194
Seasonality, of fishing gear use, 194
Seasonality, of growth in fish, 149
Seasonality, of mortality, 172
Seasonality, of movement in fish, 122
Seasonality, of reproduction in fish, 164
Sediment, 44, 46, 60, 229
Seine nets, 195
Silt (see sediment)
Size of species, 101
Smoked fish, 204
Snow, 30, 35
Soil, 54,
Soil, alkaline, 78
Soil, leached, 50
Spawning patterns, 163
Specialization, 137
Sport fisheries, 249
Stabilized river channels, 246
Standing crop (= biomass), 61
Standing crop, of benthos, 87
Standing crop, of detritus, 61
Standing crop, of emergent vegetation, 78
Standing crop, of floating plant fauna, 86
Standing crop, of fish, 176
Standing crop, of floating vegetation, 75
Standing crop, of floodplain meadow, 77
Standing crop, of periphyton, 68
Standing crop, of phytoplankton, 64
Starvation, 146
Stocking, 255
Stow nets, 200
Strategy for development, 247
Stratification, 55, 56
Stream order, 5
Structures for improving streams, 253
Stunting, 167
Sub-populations, 99
Subienda migration pattern, 103, 108, 196, 206
Succession, in river systems, 3, 59
Succession, of higher plants, 69, 77
Swamps, 15, 17
Temperate zone, 102
Temperature, 54–55
Temperature, effect on growth, 149
Temperature, effect on phytoplankton, 62
Tides, 40
Traditional values in fishery regulation, 192
Traps, 196, 202
Trophic relationships, 139
Tundra rivers, 3, 27, 30
Turbidity, 44
Urbanization, 238
Uses of fish resources, 248
Varzea (Amazonian floodplain), 51, 61, 75
Vegetation,
Vegetation, emergent, 69, 77
Vegetation, floating, 55, 57, 69, 74, 75, 108, 110
Vegetation, submersed, 65, 69, 74
Velocity of flow, 35
Von Bertalanffy relationships, 151
Whitewaters, 51, 53
Wildlife, 231
Year-to-year variations, in catch, 222
Year-to-year variations, in growth, 154
Zonation, 4
Zonation, of fish communities, 102
Zonation, of vegetation, 69
Zooplankton, 80
