Diet of benthivorous fish and prey availability in streams of the Pirapó River basin-PR

Autor: Renata Guglielmetti, Marlene Rodrigues Silva, Janet Higuti, Rosemara Fugi

Publikováno v: Acta Limnologica Brasiliensia, Vol 31, Iss 0 (2019)

Abstract Aim This study aimed to investigate the diet of seven species of fish that consume predominantly benthic macroinvertebrates, and the availability of these organisms in the environment. We analyzed the occurrence of trophic segregation betwee

Externí odkaz: https://doaj.org/article/6d3f22da518b42bf9328de1f8f56455e

Composition and species richness phytoplankton in a subtropical floodplain lake: a long-term study

Autor: Jascieli Carla Bortolini, Vânia Mara Bovo-Scomparin, Aline Caroline Magro de Paula, Geovani Arnhold Moresco, Larissa Mozini Reis, Susicley Jati, Luzia Cleide Rodrigues

Publikováno v: Acta Limnologica Brasiliensia, Vol 26, Iss 3, Pp 296-305 (2014)

AIM: Phytoplankton species diversity in floodplain lakes is influenced by different conditions imposed by the hydrosedimentological regime of the main channel. This study evaluated the predictors of composition and species richness phytoplankton in t

Externí odkaz: https://doaj.org/article/75d888fc11f949faa141737608ae4d64

Macrófitas aquáticas como preditoras de múltiplos aspectos da comunidade de peixes: respostas tróficas, funcionais e taxonômicas de peixes de ecossitemas de água doce tropicais e temperados

Autor: Quirino, Bárbara Angélio

Publikováno v: Repositório Institucional da Universidade Estadual de Maringá (RI-UEM)
Universidade Estadual de Maringá (UEM)
instacron:UEM

Macrophytes are widely recognized for increasing habitat complexity and driving a relevant role in structuring communities in aquatic ecosystems. We investigated how the density, coverage and diversity of macrophytes can influence multiple aspects of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::27ef34ef8b034b39634c6bb1c3fa5576
http://repositorio.uem.br:8080/jspui/handle/1/6904

Extreme drought event promotes nestedness and reduces temporal beta diversity of benthic invertebrate community in shallow lakes

Autor: Silva, Jaqueline Dantas da

Publikováno v: Repositório Institucional da Universidade Estadual de Maringá (RI-UEM)
Universidade Estadual de Maringá (UEM)
instacron:UEM

Extreme hydrological events, such as droughts, are becoming increasingly frequent and lasting, altering the structure and functioning of aquatic ecosystems. Extreme drought may be able to eliminate species that are not able to persist in this conditi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::8b5654fd4ee0d25e4994ca113d64c563
http://repositorio.uem.br:8080/jspui/handle/1/6731

Estratégia alimentar do introduzido Astronotus crassipinnis (Cichlidae) na planície de inundação do alto rio Paraná

Autor: Taise M. Lopes, Maria J. M. Ganassin, Anielly G. de Oliveira, Igor P. Affonso, Luiz C. Gomes

Publikováno v: Iheringia. Série Zoologia, Volume: 112, Article number: e2022001, Published: 25 FEB 2022
Iheringia. Série Zoologia v.112 2022
Iheringia. Série Zoologia
Fundação Zoobotânica do Rio Grande do Sul (FZB/RS)
instacron:FZB/RS

The cichlid Astronotus crassipinnis (Heckel, 1840) known as “oscar” or “apaiari” is native to the Amazon basin and presents an omnivorous feeding habit, with a tendency to carnivory. The species was introduced in the upper Paraná River flood

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4e2d739d7a75ed12cb7646e4c16d7875
https://doi.org/10.1590/1678-4766e2022001