Effects of substrate embeddedness on juvenile brown trout (Salmo trutta L.) growth and behaviour
Identifieur interne : 008227 ( Main/Merge ); précédent : 008226; suivant : 008228Effects of substrate embeddedness on juvenile brown trout (Salmo trutta L.) growth and behaviour
Auteurs : V. Bolliet [France] ; A. Bardonnet [France] ; J. Vignes [France]Source :
- Journal of Fish Biology [ 0022-1112 ] ; 2003-12.
Descripteurs français
- Wicri :
English descriptors
- KwdEn :
- 1cardiff school, 1department, 1fisheries research services, 2fisheries research services, Aberrant stickleback, Acipenser ruthenus, Aculeatus, African catfish, Aggressive behaviour, Aggressive mimicry, Alternative mating tactics, Anglia, Animal ecology, Animal sciences, Aquaculture, Aquaculture science, Ashworth laboratory, Atlantic salmon, Atlantic salmon parr, Barbu, Bartram hall, Beaugregory damselfish, Behaviour, Behavioural, Behavioural interaction, Behavioural interactions, Behavioural studies, Better understanding, Biological sciences, Biology, Bitterling, Bitterling population dynamics, Body mass, Body size, British isles, British isles paper abstracts, Brood pouch, Brook, Brook trout, Brook water velocity, Brown trout, Buffer effect, Cannibalism, Cardiff, Cardiff university, Caribbean cleaning gobies, Centre, Cerebellar function, Chaos theory, Charlottelund castle, Chemical communication, Chemical cues, Cleaner wrasses, Cleanerfish mimics, Cleaning gobies, Cleaning interactions, Cleaning stations, Cleaning symbioses, Cognitive ability, Common garden, Conspecific, Coral, Coral colony, Coral reef fishes, Countergradient variation, Crenicichla alta, Cue, Cyprinid fishes, Czech republic, Dalhousie university, Damselfish, Danio rerio, Danish institute, Danube river, Deep water, Different light intensities, Different populations, Different size, Dispersal, Dominance hierarchies, Dominance rank, Dominant fish, Dynamics, Early life history characteristics, East anglia, Ecology, Ectoparasite, Ectoparasite availability, Ectoparasite loads, Edinburgh, Edward llwyd building, Elacatinus evelynae, Electronic data storage tags, Energetic costs, Energy expenditure, Environmental, Environmental conditions, Environmental extremes, European bitterling, Excysted metacercariae, Experimental control, Experimental zoology group, Familiar fish, Familiarity preferences, Feed intake, Female bitterling, Female quality, Fertilization, Field data, Filial cannibalism, First evidence, Fish, Fish behaviour, Fish biology, Fish cognition, Fish movements, Fish species, Fish stocks, Fish welfare, Fisheries research, Fisheries society, Fishery, Flow regions, Focal fish, Food availability, Food resources, Foraging, Foraging behaviour, Freshwater, Freshwater laboratory, Freshwater mussels, Functional response, Future studies, Gadus morhua, Gasterosteus, Gasterosteus aculeatus, Genetic basis, Genetic differences, Gill chamber, Girardinichthys multiradiatus, Goby, Greater numbers, Growth rate, Guppy, Habitat, Habitat choice, Habitat preference, Hatchery, Hatchery fish, Helsinki, Homing behaviour, Honest signal, Host behaviour change, Important fish species, Individual differences, Individual fish, Internal fertilization, Intraspecific variability, Isle, Juvenile atlantic salmon, Juvenile sticklebacks, Karlskrona archipelago, Knipowitschia panizzae, Kyoto japan, Kyoto university, Laboratory experiments, Laboratory studies, Lake tana, Large males, Larger males, Larval dispersal, Late afternoon, Leeds, Life cycle, Light environments, Light intensities, Light intensity, Littoral zone, Louis compton miall building, Lowestoft, Lowestoft laboratory, Main building, Male, Male competition, Male mating success, Male sticklebacks, Marine biology, Marine ecology, Marine science, Marine species, Mating success, Mating system, Mating systems, Migratory behaviour, Model species, Model system, Mosquito fish, Mussel, Natural populations, Natural resources, Neighbour, Nemachilus angorae, Nest opening, Network theory, Nocturnal foraging excursions, Normal distribution model, Normal stickleback males, Norwich, Nova scotia, Olfactory, Olfactory cues, Olfactory sensitivity, Original group, Other fish families, Other guppies, Other hand, Oviposition, Oviposition choices, Oviposition decisions, Oxygen levels, Pakefield road, Paper abstracts, Parablennius tentacularis, Paralichthys olivaceus, Parasite, Parasitic, Park place, Parr, Physiological condition, Piscivorous barbus, Plaice, Poecilia reticulata, Pool habitat, Population biology, Population densities, Population differences, Population dynamics, Population structure, Predation, Predator, Predator attack, Predator inspection, Predator inspection behaviour, Present data, Present study, Prey, Prey selection, Prey size, Putative prey, Queen mary, Recent work, Reproductive, Reproductive behaviour, Reproductive success, Resource competition, Results show, Rhodeus sericeus, River discharge, Salmo salar, Salmo trutta, Salmon, Salmon parr, Salmonid, Same time, Secondary males, Several species, Sexual selection, Shallow waters, Shoal, Shoaling, Shoaling behaviour, Shoaling tendency, Significant differences, Single males, Small groups, Sneaker males, Social behaviour, Social interactions, Social networks, Southern population, Species ranges, Sperm, Sperm cloud, Sperm competition, Sperm competition dynamics, Sperm expenditure, Sponge substrata, Stickleback, Stickleback gasterosteus aculeatus, Stream transport, Substrate embeddedness, Succursale centre ville, Testis, Tidal, Tidal streams, Trait, Transport mechanism, Trout, Turbot, Unfamiliar fish, Unfamiliar groups, Unknown individuals, Vertebrate, Vertebrate models, Vertebrate zoology, Visual cues, Visual isolation, Wageningen institute, Wales aberystwyth, Water flow rate, Water temperature, Water velocity, Wavelength spectrum, West mains road, Western australia, Wide range, Wild populations, Yellow stingray, Yellowfin shiner, Yugoslav part, Zoology, Zooplankton, Zooplankton density.
- Teeft :
- 1cardiff school, 1department, 1fisheries research services, 2fisheries research services, Aberrant stickleback, Acipenser ruthenus, Aculeatus, African catfish, Aggressive behaviour, Aggressive mimicry, Alternative mating tactics, Anglia, Animal ecology, Animal sciences, Aquaculture, Aquaculture science, Ashworth laboratory, Atlantic salmon, Atlantic salmon parr, Barbu, Bartram hall, Beaugregory damselfish, Behaviour, Behavioural, Behavioural interaction, Behavioural interactions, Behavioural studies, Better understanding, Biological sciences, Biology, Bitterling, Bitterling population dynamics, Body mass, Body size, British isles, British isles paper abstracts, Brood pouch, Brook, Brook trout, Brook water velocity, Brown trout, Buffer effect, Cannibalism, Cardiff, Cardiff university, Caribbean cleaning gobies, Centre, Cerebellar function, Chaos theory, Charlottelund castle, Chemical communication, Chemical cues, Cleaner wrasses, Cleanerfish mimics, Cleaning gobies, Cleaning interactions, Cleaning stations, Cleaning symbioses, Cognitive ability, Common garden, Conspecific, Coral, Coral colony, Coral reef fishes, Countergradient variation, Crenicichla alta, Cue, Cyprinid fishes, Czech republic, Dalhousie university, Damselfish, Danio rerio, Danish institute, Danube river, Deep water, Different light intensities, Different populations, Different size, Dispersal, Dominance hierarchies, Dominance rank, Dominant fish, Dynamics, Early life history characteristics, East anglia, Ecology, Ectoparasite, Ectoparasite availability, Ectoparasite loads, Edinburgh, Edward llwyd building, Elacatinus evelynae, Electronic data storage tags, Energetic costs, Energy expenditure, Environmental, Environmental conditions, Environmental extremes, European bitterling, Excysted metacercariae, Experimental control, Experimental zoology group, Familiar fish, Familiarity preferences, Feed intake, Female bitterling, Female quality, Fertilization, Field data, Filial cannibalism, First evidence, Fish, Fish behaviour, Fish biology, Fish cognition, Fish movements, Fish species, Fish stocks, Fish welfare, Fisheries research, Fisheries society, Fishery, Flow regions, Focal fish, Food availability, Food resources, Foraging, Foraging behaviour, Freshwater, Freshwater laboratory, Freshwater mussels, Functional response, Future studies, Gadus morhua, Gasterosteus, Gasterosteus aculeatus, Genetic basis, Genetic differences, Gill chamber, Girardinichthys multiradiatus, Goby, Greater numbers, Growth rate, Guppy, Habitat, Habitat choice, Habitat preference, Hatchery, Hatchery fish, Helsinki, Homing behaviour, Honest signal, Host behaviour change, Important fish species, Individual differences, Individual fish, Internal fertilization, Intraspecific variability, Isle, Juvenile atlantic salmon, Juvenile sticklebacks, Karlskrona archipelago, Knipowitschia panizzae, Kyoto japan, Kyoto university, Laboratory experiments, Laboratory studies, Lake tana, Large males, Larger males, Larval dispersal, Late afternoon, Leeds, Life cycle, Light environments, Light intensities, Light intensity, Littoral zone, Louis compton miall building, Lowestoft, Lowestoft laboratory, Main building, Male, Male competition, Male mating success, Male sticklebacks, Marine biology, Marine ecology, Marine science, Marine species, Mating success, Mating system, Mating systems, Migratory behaviour, Model species, Model system, Mosquito fish, Mussel, Natural populations, Natural resources, Neighbour, Nemachilus angorae, Nest opening, Network theory, Nocturnal foraging excursions, Normal distribution model, Normal stickleback males, Norwich, Nova scotia, Olfactory, Olfactory cues, Olfactory sensitivity, Original group, Other fish families, Other guppies, Other hand, Oviposition, Oviposition choices, Oviposition decisions, Oxygen levels, Pakefield road, Paper abstracts, Parablennius tentacularis, Paralichthys olivaceus, Parasite, Parasitic, Park place, Parr, Physiological condition, Piscivorous barbus, Plaice, Poecilia reticulata, Pool habitat, Population biology, Population densities, Population differences, Population dynamics, Population structure, Predation, Predator, Predator attack, Predator inspection, Predator inspection behaviour, Present data, Present study, Prey, Prey selection, Prey size, Putative prey, Queen mary, Recent work, Reproductive, Reproductive behaviour, Reproductive success, Resource competition, Results show, Rhodeus sericeus, River discharge, Salmo salar, Salmo trutta, Salmon, Salmon parr, Salmonid, Same time, Secondary males, Several species, Sexual selection, Shallow waters, Shoal, Shoaling, Shoaling behaviour, Shoaling tendency, Significant differences, Single males, Small groups, Sneaker males, Social behaviour, Social interactions, Social networks, Southern population, Species ranges, Sperm, Sperm cloud, Sperm competition, Sperm competition dynamics, Sperm expenditure, Sponge substrata, Stickleback, Stickleback gasterosteus aculeatus, Stream transport, Substrate embeddedness, Succursale centre ville, Testis, Tidal, Tidal streams, Trait, Transport mechanism, Trout, Turbot, Unfamiliar fish, Unfamiliar groups, Unknown individuals, Vertebrate, Vertebrate models, Vertebrate zoology, Visual cues, Visual isolation, Wageningen institute, Wales aberystwyth, Water flow rate, Water temperature, Water velocity, Wavelength spectrum, West mains road, Western australia, Wide range, Wild populations, Yellow stingray, Yellowfin shiner, Yugoslav part, Zoology, Zooplankton, Zooplankton density.
Abstract
Young salmonids may use substratum as hiding stations and/or shelter and they depend on invertebrates, which develop on substratum, for their feeding. For several decades, human activities have contributed to increase siltation in streams, and negative consequences on trout production have sometimes been highlighted. In the research devoted to the understanding of that negative effect, most studies have focused on embryo‐larval survival, and consequences of substrate embeddedness on later stages have rarely been investigated. In the present work we attempt at studying the impact of embeddedness on brown trout juveniles. In an experimental channel, trout growth was compared in embedded and non‐embedded sections. Growth was reduced with embeddedness due to change in trophic conditions and/or in habitat. To investigate the direct role of substratum for fish, trouts behaviour was observed from an under water observation room in two cages offering embedded and non‐embedded substrate conditions but similar trophic conditions. Competition appeared heavier in the embedded cage where dominated fishes stayed almost motionless. The effect of substratum quality on intra‐specific competition is discussed in relation with visual isolation and territory size.
Url:
DOI: 10.1111/j.1095-8649.2003.216at.x
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<term>Aberrant stickleback</term>
<term>Acipenser ruthenus</term>
<term>Aculeatus</term>
<term>African catfish</term>
<term>Aggressive behaviour</term>
<term>Aggressive mimicry</term>
<term>Alternative mating tactics</term>
<term>Anglia</term>
<term>Animal ecology</term>
<term>Animal sciences</term>
<term>Aquaculture</term>
<term>Aquaculture science</term>
<term>Ashworth laboratory</term>
<term>Atlantic salmon</term>
<term>Atlantic salmon parr</term>
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<term>Bartram hall</term>
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<term>Behavioural</term>
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<term>Behavioural interactions</term>
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<term>Better understanding</term>
<term>Biological sciences</term>
<term>Biology</term>
<term>Bitterling</term>
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<term>Body mass</term>
<term>Body size</term>
<term>British isles</term>
<term>British isles paper abstracts</term>
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<term>Brook</term>
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<term>Cannibalism</term>
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<term>Cardiff university</term>
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<term>Charlottelund castle</term>
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<term>Chemical cues</term>
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<term>Cleanerfish mimics</term>
<term>Cleaning gobies</term>
<term>Cleaning interactions</term>
<term>Cleaning stations</term>
<term>Cleaning symbioses</term>
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<term>Cyprinid fishes</term>
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<term>Dalhousie university</term>
<term>Damselfish</term>
<term>Danio rerio</term>
<term>Danish institute</term>
<term>Danube river</term>
<term>Deep water</term>
<term>Different light intensities</term>
<term>Different populations</term>
<term>Different size</term>
<term>Dispersal</term>
<term>Dominance hierarchies</term>
<term>Dominance rank</term>
<term>Dominant fish</term>
<term>Dynamics</term>
<term>Early life history characteristics</term>
<term>East anglia</term>
<term>Ecology</term>
<term>Ectoparasite</term>
<term>Ectoparasite availability</term>
<term>Ectoparasite loads</term>
<term>Edinburgh</term>
<term>Edward llwyd building</term>
<term>Elacatinus evelynae</term>
<term>Electronic data storage tags</term>
<term>Energetic costs</term>
<term>Energy expenditure</term>
<term>Environmental</term>
<term>Environmental conditions</term>
<term>Environmental extremes</term>
<term>European bitterling</term>
<term>Excysted metacercariae</term>
<term>Experimental control</term>
<term>Experimental zoology group</term>
<term>Familiar fish</term>
<term>Familiarity preferences</term>
<term>Feed intake</term>
<term>Female bitterling</term>
<term>Female quality</term>
<term>Fertilization</term>
<term>Field data</term>
<term>Filial cannibalism</term>
<term>First evidence</term>
<term>Fish</term>
<term>Fish behaviour</term>
<term>Fish biology</term>
<term>Fish cognition</term>
<term>Fish movements</term>
<term>Fish species</term>
<term>Fish stocks</term>
<term>Fish welfare</term>
<term>Fisheries research</term>
<term>Fisheries society</term>
<term>Fishery</term>
<term>Flow regions</term>
<term>Focal fish</term>
<term>Food availability</term>
<term>Food resources</term>
<term>Foraging</term>
<term>Foraging behaviour</term>
<term>Freshwater</term>
<term>Freshwater laboratory</term>
<term>Freshwater mussels</term>
<term>Functional response</term>
<term>Future studies</term>
<term>Gadus morhua</term>
<term>Gasterosteus</term>
<term>Gasterosteus aculeatus</term>
<term>Genetic basis</term>
<term>Genetic differences</term>
<term>Gill chamber</term>
<term>Girardinichthys multiradiatus</term>
<term>Goby</term>
<term>Greater numbers</term>
<term>Growth rate</term>
<term>Guppy</term>
<term>Habitat</term>
<term>Habitat choice</term>
<term>Habitat preference</term>
<term>Hatchery</term>
<term>Hatchery fish</term>
<term>Helsinki</term>
<term>Homing behaviour</term>
<term>Honest signal</term>
<term>Host behaviour change</term>
<term>Important fish species</term>
<term>Individual differences</term>
<term>Individual fish</term>
<term>Internal fertilization</term>
<term>Intraspecific variability</term>
<term>Isle</term>
<term>Juvenile atlantic salmon</term>
<term>Juvenile sticklebacks</term>
<term>Karlskrona archipelago</term>
<term>Knipowitschia panizzae</term>
<term>Kyoto japan</term>
<term>Kyoto university</term>
<term>Laboratory experiments</term>
<term>Laboratory studies</term>
<term>Lake tana</term>
<term>Large males</term>
<term>Larger males</term>
<term>Larval dispersal</term>
<term>Late afternoon</term>
<term>Leeds</term>
<term>Life cycle</term>
<term>Light environments</term>
<term>Light intensities</term>
<term>Light intensity</term>
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<term>Male competition</term>
<term>Male mating success</term>
<term>Male sticklebacks</term>
<term>Marine biology</term>
<term>Marine ecology</term>
<term>Marine science</term>
<term>Marine species</term>
<term>Mating success</term>
<term>Mating system</term>
<term>Mating systems</term>
<term>Migratory behaviour</term>
<term>Model species</term>
<term>Model system</term>
<term>Mosquito fish</term>
<term>Mussel</term>
<term>Natural populations</term>
<term>Natural resources</term>
<term>Neighbour</term>
<term>Nemachilus angorae</term>
<term>Nest opening</term>
<term>Network theory</term>
<term>Nocturnal foraging excursions</term>
<term>Normal distribution model</term>
<term>Normal stickleback males</term>
<term>Norwich</term>
<term>Nova scotia</term>
<term>Olfactory</term>
<term>Olfactory cues</term>
<term>Olfactory sensitivity</term>
<term>Original group</term>
<term>Other fish families</term>
<term>Other guppies</term>
<term>Other hand</term>
<term>Oviposition</term>
<term>Oviposition choices</term>
<term>Oviposition decisions</term>
<term>Oxygen levels</term>
<term>Pakefield road</term>
<term>Paper abstracts</term>
<term>Parablennius tentacularis</term>
<term>Paralichthys olivaceus</term>
<term>Parasite</term>
<term>Parasitic</term>
<term>Park place</term>
<term>Parr</term>
<term>Physiological condition</term>
<term>Piscivorous barbus</term>
<term>Plaice</term>
<term>Poecilia reticulata</term>
<term>Pool habitat</term>
<term>Population biology</term>
<term>Population densities</term>
<term>Population differences</term>
<term>Population dynamics</term>
<term>Population structure</term>
<term>Predation</term>
<term>Predator</term>
<term>Predator attack</term>
<term>Predator inspection</term>
<term>Predator inspection behaviour</term>
<term>Present data</term>
<term>Present study</term>
<term>Prey</term>
<term>Prey selection</term>
<term>Prey size</term>
<term>Putative prey</term>
<term>Queen mary</term>
<term>Recent work</term>
<term>Reproductive</term>
<term>Reproductive behaviour</term>
<term>Reproductive success</term>
<term>Resource competition</term>
<term>Results show</term>
<term>Rhodeus sericeus</term>
<term>River discharge</term>
<term>Salmo salar</term>
<term>Salmo trutta</term>
<term>Salmon</term>
<term>Salmon parr</term>
<term>Salmonid</term>
<term>Same time</term>
<term>Secondary males</term>
<term>Several species</term>
<term>Sexual selection</term>
<term>Shallow waters</term>
<term>Shoal</term>
<term>Shoaling</term>
<term>Shoaling behaviour</term>
<term>Shoaling tendency</term>
<term>Significant differences</term>
<term>Single males</term>
<term>Small groups</term>
<term>Sneaker males</term>
<term>Social behaviour</term>
<term>Social interactions</term>
<term>Social networks</term>
<term>Southern population</term>
<term>Species ranges</term>
<term>Sperm</term>
<term>Sperm cloud</term>
<term>Sperm competition</term>
<term>Sperm competition dynamics</term>
<term>Sperm expenditure</term>
<term>Sponge substrata</term>
<term>Stickleback</term>
<term>Stickleback gasterosteus aculeatus</term>
<term>Stream transport</term>
<term>Substrate embeddedness</term>
<term>Succursale centre ville</term>
<term>Testis</term>
<term>Tidal</term>
<term>Tidal streams</term>
<term>Trait</term>
<term>Transport mechanism</term>
<term>Trout</term>
<term>Turbot</term>
<term>Unfamiliar fish</term>
<term>Unfamiliar groups</term>
<term>Unknown individuals</term>
<term>Vertebrate</term>
<term>Vertebrate models</term>
<term>Vertebrate zoology</term>
<term>Visual cues</term>
<term>Visual isolation</term>
<term>Wageningen institute</term>
<term>Wales aberystwyth</term>
<term>Water flow rate</term>
<term>Water temperature</term>
<term>Water velocity</term>
<term>Wavelength spectrum</term>
<term>West mains road</term>
<term>Western australia</term>
<term>Wide range</term>
<term>Wild populations</term>
<term>Yellow stingray</term>
<term>Yellowfin shiner</term>
<term>Yugoslav part</term>
<term>Zoology</term>
<term>Zooplankton</term>
<term>Zooplankton density</term>
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<keywords scheme="Teeft" xml:lang="en"><term>1cardiff school</term>
<term>1department</term>
<term>1fisheries research services</term>
<term>2fisheries research services</term>
<term>Aberrant stickleback</term>
<term>Acipenser ruthenus</term>
<term>Aculeatus</term>
<term>African catfish</term>
<term>Aggressive behaviour</term>
<term>Aggressive mimicry</term>
<term>Alternative mating tactics</term>
<term>Anglia</term>
<term>Animal ecology</term>
<term>Animal sciences</term>
<term>Aquaculture</term>
<term>Aquaculture science</term>
<term>Ashworth laboratory</term>
<term>Atlantic salmon</term>
<term>Atlantic salmon parr</term>
<term>Barbu</term>
<term>Bartram hall</term>
<term>Beaugregory damselfish</term>
<term>Behaviour</term>
<term>Behavioural</term>
<term>Behavioural interaction</term>
<term>Behavioural interactions</term>
<term>Behavioural studies</term>
<term>Better understanding</term>
<term>Biological sciences</term>
<term>Biology</term>
<term>Bitterling</term>
<term>Bitterling population dynamics</term>
<term>Body mass</term>
<term>Body size</term>
<term>British isles</term>
<term>British isles paper abstracts</term>
<term>Brood pouch</term>
<term>Brook</term>
<term>Brook trout</term>
<term>Brook water velocity</term>
<term>Brown trout</term>
<term>Buffer effect</term>
<term>Cannibalism</term>
<term>Cardiff</term>
<term>Cardiff university</term>
<term>Caribbean cleaning gobies</term>
<term>Centre</term>
<term>Cerebellar function</term>
<term>Chaos theory</term>
<term>Charlottelund castle</term>
<term>Chemical communication</term>
<term>Chemical cues</term>
<term>Cleaner wrasses</term>
<term>Cleanerfish mimics</term>
<term>Cleaning gobies</term>
<term>Cleaning interactions</term>
<term>Cleaning stations</term>
<term>Cleaning symbioses</term>
<term>Cognitive ability</term>
<term>Common garden</term>
<term>Conspecific</term>
<term>Coral</term>
<term>Coral colony</term>
<term>Coral reef fishes</term>
<term>Countergradient variation</term>
<term>Crenicichla alta</term>
<term>Cue</term>
<term>Cyprinid fishes</term>
<term>Czech republic</term>
<term>Dalhousie university</term>
<term>Damselfish</term>
<term>Danio rerio</term>
<term>Danish institute</term>
<term>Danube river</term>
<term>Deep water</term>
<term>Different light intensities</term>
<term>Different populations</term>
<term>Different size</term>
<term>Dispersal</term>
<term>Dominance hierarchies</term>
<term>Dominance rank</term>
<term>Dominant fish</term>
<term>Dynamics</term>
<term>Early life history characteristics</term>
<term>East anglia</term>
<term>Ecology</term>
<term>Ectoparasite</term>
<term>Ectoparasite availability</term>
<term>Ectoparasite loads</term>
<term>Edinburgh</term>
<term>Edward llwyd building</term>
<term>Elacatinus evelynae</term>
<term>Electronic data storage tags</term>
<term>Energetic costs</term>
<term>Energy expenditure</term>
<term>Environmental</term>
<term>Environmental conditions</term>
<term>Environmental extremes</term>
<term>European bitterling</term>
<term>Excysted metacercariae</term>
<term>Experimental control</term>
<term>Experimental zoology group</term>
<term>Familiar fish</term>
<term>Familiarity preferences</term>
<term>Feed intake</term>
<term>Female bitterling</term>
<term>Female quality</term>
<term>Fertilization</term>
<term>Field data</term>
<term>Filial cannibalism</term>
<term>First evidence</term>
<term>Fish</term>
<term>Fish behaviour</term>
<term>Fish biology</term>
<term>Fish cognition</term>
<term>Fish movements</term>
<term>Fish species</term>
<term>Fish stocks</term>
<term>Fish welfare</term>
<term>Fisheries research</term>
<term>Fisheries society</term>
<term>Fishery</term>
<term>Flow regions</term>
<term>Focal fish</term>
<term>Food availability</term>
<term>Food resources</term>
<term>Foraging</term>
<term>Foraging behaviour</term>
<term>Freshwater</term>
<term>Freshwater laboratory</term>
<term>Freshwater mussels</term>
<term>Functional response</term>
<term>Future studies</term>
<term>Gadus morhua</term>
<term>Gasterosteus</term>
<term>Gasterosteus aculeatus</term>
<term>Genetic basis</term>
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<term>Gill chamber</term>
<term>Girardinichthys multiradiatus</term>
<term>Goby</term>
<term>Greater numbers</term>
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<term>Habitat choice</term>
<term>Habitat preference</term>
<term>Hatchery</term>
<term>Hatchery fish</term>
<term>Helsinki</term>
<term>Homing behaviour</term>
<term>Honest signal</term>
<term>Host behaviour change</term>
<term>Important fish species</term>
<term>Individual differences</term>
<term>Individual fish</term>
<term>Internal fertilization</term>
<term>Intraspecific variability</term>
<term>Isle</term>
<term>Juvenile atlantic salmon</term>
<term>Juvenile sticklebacks</term>
<term>Karlskrona archipelago</term>
<term>Knipowitschia panizzae</term>
<term>Kyoto japan</term>
<term>Kyoto university</term>
<term>Laboratory experiments</term>
<term>Laboratory studies</term>
<term>Lake tana</term>
<term>Large males</term>
<term>Larger males</term>
<term>Larval dispersal</term>
<term>Late afternoon</term>
<term>Leeds</term>
<term>Life cycle</term>
<term>Light environments</term>
<term>Light intensities</term>
<term>Light intensity</term>
<term>Littoral zone</term>
<term>Louis compton miall building</term>
<term>Lowestoft</term>
<term>Lowestoft laboratory</term>
<term>Main building</term>
<term>Male</term>
<term>Male competition</term>
<term>Male mating success</term>
<term>Male sticklebacks</term>
<term>Marine biology</term>
<term>Marine ecology</term>
<term>Marine science</term>
<term>Marine species</term>
<term>Mating success</term>
<term>Mating system</term>
<term>Mating systems</term>
<term>Migratory behaviour</term>
<term>Model species</term>
<term>Model system</term>
<term>Mosquito fish</term>
<term>Mussel</term>
<term>Natural populations</term>
<term>Natural resources</term>
<term>Neighbour</term>
<term>Nemachilus angorae</term>
<term>Nest opening</term>
<term>Network theory</term>
<term>Nocturnal foraging excursions</term>
<term>Normal distribution model</term>
<term>Normal stickleback males</term>
<term>Norwich</term>
<term>Nova scotia</term>
<term>Olfactory</term>
<term>Olfactory cues</term>
<term>Olfactory sensitivity</term>
<term>Original group</term>
<term>Other fish families</term>
<term>Other guppies</term>
<term>Other hand</term>
<term>Oviposition</term>
<term>Oviposition choices</term>
<term>Oviposition decisions</term>
<term>Oxygen levels</term>
<term>Pakefield road</term>
<term>Paper abstracts</term>
<term>Parablennius tentacularis</term>
<term>Paralichthys olivaceus</term>
<term>Parasite</term>
<term>Parasitic</term>
<term>Park place</term>
<term>Parr</term>
<term>Physiological condition</term>
<term>Piscivorous barbus</term>
<term>Plaice</term>
<term>Poecilia reticulata</term>
<term>Pool habitat</term>
<term>Population biology</term>
<term>Population densities</term>
<term>Population differences</term>
<term>Population dynamics</term>
<term>Population structure</term>
<term>Predation</term>
<term>Predator</term>
<term>Predator attack</term>
<term>Predator inspection</term>
<term>Predator inspection behaviour</term>
<term>Present data</term>
<term>Present study</term>
<term>Prey</term>
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<term>Prey size</term>
<term>Putative prey</term>
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<term>Recent work</term>
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<term>Reproductive behaviour</term>
<term>Reproductive success</term>
<term>Resource competition</term>
<term>Results show</term>
<term>Rhodeus sericeus</term>
<term>River discharge</term>
<term>Salmo salar</term>
<term>Salmo trutta</term>
<term>Salmon</term>
<term>Salmon parr</term>
<term>Salmonid</term>
<term>Same time</term>
<term>Secondary males</term>
<term>Several species</term>
<term>Sexual selection</term>
<term>Shallow waters</term>
<term>Shoal</term>
<term>Shoaling</term>
<term>Shoaling behaviour</term>
<term>Shoaling tendency</term>
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<term>Single males</term>
<term>Small groups</term>
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<term>Social networks</term>
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<term>Species ranges</term>
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<term>Sperm cloud</term>
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<term>Sperm competition dynamics</term>
<term>Sperm expenditure</term>
<term>Sponge substrata</term>
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<term>Stickleback gasterosteus aculeatus</term>
<term>Stream transport</term>
<term>Substrate embeddedness</term>
<term>Succursale centre ville</term>
<term>Testis</term>
<term>Tidal</term>
<term>Tidal streams</term>
<term>Trait</term>
<term>Transport mechanism</term>
<term>Trout</term>
<term>Turbot</term>
<term>Unfamiliar fish</term>
<term>Unfamiliar groups</term>
<term>Unknown individuals</term>
<term>Vertebrate</term>
<term>Vertebrate models</term>
<term>Vertebrate zoology</term>
<term>Visual cues</term>
<term>Visual isolation</term>
<term>Wageningen institute</term>
<term>Wales aberystwyth</term>
<term>Water flow rate</term>
<term>Water temperature</term>
<term>Water velocity</term>
<term>Wavelength spectrum</term>
<term>West mains road</term>
<term>Western australia</term>
<term>Wide range</term>
<term>Wild populations</term>
<term>Yellow stingray</term>
<term>Yellowfin shiner</term>
<term>Yugoslav part</term>
<term>Zoology</term>
<term>Zooplankton</term>
<term>Zooplankton density</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Aquiculture</term>
<term>Biologie</term>
<term>écologie</term>
<term>Poisson</term>
<term>Ressource alimentaire</term>
<term>Eau douce</term>
<term>Habitat</term>
<term>Ressource naturelle</term>
<term>Dynamique de la population</term>
<term>Comportement social</term>
<term>Zoologie</term>
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<front><div type="abstract" xml:lang="en">Young salmonids may use substratum as hiding stations and/or shelter and they depend on invertebrates, which develop on substratum, for their feeding. For several decades, human activities have contributed to increase siltation in streams, and negative consequences on trout production have sometimes been highlighted. In the research devoted to the understanding of that negative effect, most studies have focused on embryo‐larval survival, and consequences of substrate embeddedness on later stages have rarely been investigated. In the present work we attempt at studying the impact of embeddedness on brown trout juveniles. In an experimental channel, trout growth was compared in embedded and non‐embedded sections. Growth was reduced with embeddedness due to change in trophic conditions and/or in habitat. To investigate the direct role of substratum for fish, trouts behaviour was observed from an under water observation room in two cages offering embedded and non‐embedded substrate conditions but similar trophic conditions. Competition appeared heavier in the embedded cage where dominated fishes stayed almost motionless. The effect of substratum quality on intra‐specific competition is discussed in relation with visual isolation and territory size.</div>
</front>
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