Plasticidade trófica em peixes de água doce
Trophic plasticity in freshwater fishes
| dc.contributor | ||
| dc.creator | ABELHA, M.C.F.; AGOSTINHO, A.A.; GOULART, E. | |
| dc.date | 2018-10-31T19:41:52Z | |
| dc.date | 2018-10-31T19:41:52Z | |
| dc.date.accessioned | 2023-10-16T12:28:01Z | |
| dc.date.available | 2023-10-16T12:28:01Z | |
| dc.identifier | http://repositorio.uem.br:8080/jspui/handle/1/5256 | |
| dc.identifier.uri | https://repositorioslatinoamericanos.uchile.cl/handle/2250/9211067 | |
| dc.description | ABELHA, Milza Celi Fedatto; AGOSTINHO, Angelo Antonio; GOULART, Erivelto. Plasticidade trófica em peixes de água doce. Acta Scientiarum, Maringá, v. 23, n.2, p.425-434, 2001. Disponível em: http://www.eduem.uem.br/acta/bio/2001/20_044_01.pdf | |
| dc.description | A synthesis on the feeding flexibility in freshwater teleosts concerning seasonal, spatial, ontogenetic, individual and behavioral variation of freshwater teleosts is provided. The occurrence of a flexible diet is a striking aspect of tropical riverine ichthyofauna where most species may switch from a food item to another as soon as the relative abundance of the feeding resource in use oscillates, motivated by seasonal and spatial environmental alterations. There is a trophical change in almost all species during ontogeny, whereas in most populations, individuals may show feeding preferences or make use of distinct feeding tactics that lead towards a differentiated intraspecific foraging. These considerations highlight the difficulty on setting up reliable specific species feeding patterns in tropical teleosts. | |
| dc.description | Esta revisão apresenta uma síntese a respeito da plasticidade alimentar em teleósteos de água doce em relação às variações espaço-temporais, ontogenéticas, individuais e comportamentais. A ocorrência de dieta flexível é uma característica marcante da ictiofauna fluvial tropical, onde a maioria das espécies pode mudar de um alimento para outro tão logo ocorram oscilações na abundância relativa do recurso alimentar em uso, motivadas por alterações ambientais espaço-temporais. Quase todas as espécies mudam troficamente durante a ontogenia, e em muitas populações, os indivíduos podem apresentar preferências alimentares ou fazer uso de táticas alimentares distintas, conduzindo a um forrageamento intra-específico diferenciado. Essas considerações evidenciam dificuldades que podem ser encontradas no estabelecimento de padrões alimentares específicos fidedignos para as espécies de teleósteos. Abstract: A synthesis on the feeding flexibility in freshwater teleosts concerning seasonal, spatial, ontogenetic, individual and behavioral variation of freshwater teleosts is provided. The occurrence of a flexible diet is a striking aspect of tropical riverine ichthyofauna where most species may switch from a food item to another as soon as the relative abundance of the feeding resource in use oscillates, motivated by seasonal and spatial environmental alterations. There is a trophical change in almost all species during ontogeny, whereas in most populations, individuals may show feeding preferences or make use of distinct feeding tactics that lead towards a differentiated intraspecific foraging. These considerations highlight the difficulty on setting up reliable specific species feeding patterns in tropical teleosts. | |
| dc.publisher | Brasil | |
| dc.publisher | UEM | |
| dc.rights | openAccess | |
| dc.subject | Peixes de água doce | |
| dc.subject | Plasticidade alimentar | |
| dc.subject | Hábito alimentar | |
| dc.subject | Dieta | |
| dc.subject | Forrageamento. | |
| dc.subject | Freshwater fishes | |
| dc.subject | Feeding plasticity | |
| dc.subject | Feeding habit | |
| dc.subject | Diet | |
| dc.subject | Foraging. | |
| dc.subject | Ciências Biológicas | |
| dc.subject | Ecologia | |
| dc.title | Plasticidade trófica em peixes de água doce | |
| dc.title | Trophic plasticity in freshwater fishes | |
| dc.type | article |