Invertebrate drift is the downstream transport of invertebrate organisms in lotic freshwater systems such as rivers and streams. The term lotic comes from the Latin word lotus, meaning washing, and is used to describe moving freshwater systems. This is in contrast with lentic coming from the Latin word lentus, meaning slow or motionless that typically describe still or standing waters such as lakes, ponds, and swamps.
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| - Invertebrate drift (en)
- Дрифт (гидробиология) (ru)
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| - Дрифт — перемещение водных беспозвоночных в речном потоке вниз по течению в толще воды, а также совокупность самих этих организмов. Бентосные организмы, которые перемещаются в толще воды, называют реосиртон. (ru)
- Invertebrate drift is the downstream transport of invertebrate organisms in lotic freshwater systems such as rivers and streams. The term lotic comes from the Latin word lotus, meaning washing, and is used to describe moving freshwater systems. This is in contrast with lentic coming from the Latin word lentus, meaning slow or motionless that typically describe still or standing waters such as lakes, ponds, and swamps. (en)
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| - Invertebrate drift is the downstream transport of invertebrate organisms in lotic freshwater systems such as rivers and streams. The term lotic comes from the Latin word lotus, meaning washing, and is used to describe moving freshwater systems. This is in contrast with lentic coming from the Latin word lentus, meaning slow or motionless that typically describe still or standing waters such as lakes, ponds, and swamps. Drift can service freshwater invertebrates by giving them an escape route from predation, or the use of a current to disperse progeny downstream. On occasion, however, invertebrates will inadvertently lose their footing, and drift downstream. For that, invertebrates counter a stream’s flow through physical and behavioral adaptations. And just as invertebrates adapted to stabilize themselves in the water column, or use the stream’s energy to their advantage, so too have predators adapted to catch invertebrates as they drift. Species of fish, commonly salmonids, catch drifting insects during the peak times after dusk, and before dawn. Fishermen can exploit this relationship using fly fishing techniques and lures that mimic drifting insects to catch these fishes. Researchers have developed sampling techniques in lotic systems. From it, research as far back as 1928 has collected data on the phenomenon of drift. The study of invertebrate drift has progressed the field of stream ecology. Drift has been documented to impact community structure, benthic production, and the energy flow through trophic levels. (en)
- Дрифт — перемещение водных беспозвоночных в речном потоке вниз по течению в толще воды, а также совокупность самих этих организмов. Бентосные организмы, которые перемещаются в толще воды, называют реосиртон. (ru)
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