Diet of Poecilia reticulata Peters, 1959 in streams from Paraná River basin: influence of the urbanization

Autor: Alves, Gustavo Henrique Zaia, Tófoli, Raffael Marcos, Ganassin, Maria Julia Mileo, Hahn, Norma Segatti

Publikováno v: Acta Scientiarum : Biological Sciences, Vol 38, Iss 3, Pp 313-318 (2016)
Acta Scientiarum. Biological Sciences; Vol 38 No 3 (2016); 313-318
Acta Scientiarum. Biological Sciences; v. 38 n. 3 (2016); 313-318
Acta Scientiarum Biological Sciences
Universidade Estadual de Maringá (UEM)
instacron:UEM

This study aimed to assess the diet of Poecilia reticulata in rural (RS) and urban stream (US) and under seasonal influence. We hypothesized that rainfall have a strong negative impact on the diet of the species in the US, due to its abrupt effect on

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::3c4f092a39b9876e3bedf22de9fa574f
http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/29881

Food resource used by small-sized fish in macrophyte patches in ponds of the upper Paraná river floodplain - DOI: 10.4025/actascibiolsci.v31i2.3266

Autor: Crippa, Valdirene Esgarbosa Loureiro, Hahn, Norma Segatti, Fugi, Rosemara

Publikováno v: Acta Scientiarum : Biological Sciences, Vol 31, Iss 2, Pp 119-125 (2009)
Acta Scientiarum. Biological Sciences; Vol 31 No 2 (2009); 119-125
Acta Scientiarum. Biological Sciences; v. 31 n. 2 (2009); 119-125
Acta Scientiarum Biological Sciences
Universidade Estadual de Maringá (UEM)
instacron:UEM

This study analyzed the diet of seven small-sized fish species (Characidae) and assessed their use of food resources. The species were collected in 2001 from nine ponds with aquatic macrophytes in the Paraná river floodplain, Brazil. Astyanax altipa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::0680c8a0911a0c3e88e931ab79d4ac2e
http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/3266

Efeitos do regime hidrológico e do ciclo diário na dieta de uma espécie de pequeno porte associada à macrófitas

Autor: Carniatto,Natália, Fugi,Rosemara, Cantanhêde,Geuza, Gubiani,Éder André, Hahn,Norma Segatti

Publikováno v: Acta Limnologica Brasiliensia, Volume: 24, Issue: 4, Pages: 363-372, Published: 12 APR 2013
Acta Limnologica Brasiliensia v.24 n.4 2012
Acta Limnologica Brasiliensia
Associação Brasileira de Limnologia (ABL)
instacron:ABL

AIM: In this paper we assessed the effects of flooding (low and high water period) on the feeding activity and diet composition of Serrapinus notomelas in patches of the macrophyte Eichhornia azurea in a shallow floodplain lake (upper Paraná River F

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::e542c409fd75723c86afdefa8f67c265
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2179-975X2012000400004&lng=en&tlng=en

Food partitioning between sympatric species of Serrapinnus (Osteichthyes, Cheirodontinae) in a tropical stream - doi: 10.4025/actascibiolsci.v33i2.7593

Autor: Alves, Gustavo Henrique Zaia, Tófoli, Raffael Marcos, Novakowski, Gisele Caroline, Hahn, Norma Segatti

Publikováno v: Acta Scientiarum. Biological Sciences; Vol 33 No 2 (2011); 153-159
Acta Scientiarum. Biological Sciences; v. 33 n. 2 (2011); 153-159
Acta Scientiarum Biological Sciences
Universidade Estadual de Maringá (UEM)
instacron:UEM

This study investigated the feeding habits of Serrapinnus microdon and S. calliurus and possible seasonal differences (rainy and dry seasons) in the utilization of food. The fish were collected monthly in Cancela stream, in the basin of the Manso/Cui

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::7c35b1cbac4e8f2cbad38cb9e6e4a5b8
http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/7593

Variações espaço-temporais na alimentação de Pimelodus ortmanni (Siluriformes, Pimelodidae) no reservatório de Segredo e áreas adjacentes (PR)

Autor: Abujanra, Fabiane, Russo, Márcia Regina, Hahn, Norma Segatti

Publikováno v: Acta Scientiarum. Biological Sciences; Vol 21 (1999); 283-289
Acta Scientiarum. Biological Sciences; v. 21 (1999); 283-289
Acta Scientiarum Biological Sciences
Universidade Estadual de Maringá (UEM)
instacron:UEM

The aim of this paper is to investigate the diet of Pimelodus ortmanni in Segredo reservoir and contigous areas in three different periods after the reservoir formation (Iguaçu river, state of Paraná, Brazil). The samples were collected from March/

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::0edf97e1232629bdc6338706545e8252
http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/4435