[PDF] Top 20 Population aspects of Bryconamericus stramineus in streams of the upper Paraná River basin, Brazil
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Population aspects of Bryconamericus stramineus in streams of the upper Paraná River basin, Brazil
... during the entire sampling period, with a higher proportion of ...females. In a study about reproductive ecology of Astyanax fasciatus, Gurgel (2004) suggests that differences in sex ... See full document
8
Genetic variability in Astyanax altiparanae Garutti Britski, 2000 (Teleostei, Characidae) from the Upper Paraná River basin, Brazil
... at the Center for limnological studies (Núcleo de Pesquisas em Limnologia, Ictiologia e Aqüicultura - NUPELIA), Maringá State Uni- versity, Paraná, Brazil, have been studying the ecology ... See full document
8
Assessment of fish assemblages in streams of different orders in the Upper Paraná River basin, Central Brazil
... sampled in each stream were selected according to their ...geo-referenced in each stream, one downstream and the other upstream from the access point, 15 m distant from each ...from the ... See full document
9
Chromosomal evidence of population subdivision in the freshwater fish Leporinus elongatus in the Upper Paraná River basin
... about the genetic structure of Brazil- ian freshwater ...analyses in different migra- tory fish species ...but the results are still controversial. The occurrence of ... See full document
5
Influence of local and landscape characteristics on the distribution and diversity of fish assemblages of streams in the Ivinhema River basin, Upper Paraná River
... relationship of richness with volume of streams was expected, drawing an analogy with the island biogeography theory, once the volume of streams is a measure equivalent to ... See full document
12
The ichthyofauna of drifting macrophyte mats in the Ivinhema River, upper Paraná River basin, Brazil
... parts of macrophytes (stems, leaves, and roots) serve as shelter against visual predators and possibly as feeding grounds (Grenouillet & Pont, 2001; Sánchez-Botero & Araújo- Lima, 2001; Casatti et ... See full document
7
ICHTHYOFAUNA OF TWO STREAMS (SILTED AND REFERENCE) IN THE UPPER PARANÁ RIVER BASIN, SOUTHEASTERN BRAZIL
... studied streams (Fig. 1), which flow to the Paranapanema river, are located in the Upper Paraná river basin, municipality of Teodoro Sampaio, São ... See full document
9
Life-history traits of Farlowella hahni (Siluriformes, Loricariidae) in streams of the Ivinhema River Basin, Upper Paraná Basin
... fecundity of commercial native fish species from the São Francisco River basin, Brazil, under hatchery ...tactics of a Loricariidae species at Saraiva Lagoon, Ilha Grande ... See full document
8
Changes in the structure of fish assemblages in streams along an undisturbed-impacted gradient, upper Paraná River basin, Central Brazil
... Modifications of aquatic communities in natural conditions imply the influence of abiotic variations on the abundance, species richness (Matthews, 1998), diversity and uniformity ... See full document
12
Evidence of the color pattern variation in populations of Gymnotus pantanal (Gymnotiformes) from three streams in the upper Paraná River basin, Brazil
... syntopically in the streams Jacutinga and Pinheirinho, and only the typical color pattern in the stream ...studied the effects of limnological and morphometric ... See full document
8
Inventory of the fish fauna from Ivaí River basin, Paraná State, Brazil
... individuals of Trichomycterus identified as Trichomycterus ...3 in the studies of Maier et ...deposited in the fish collection of Nupélia, were re-examined and identified ... See full document
11
Survey of fish species from plateau streams of the Miranda River Basin in the Upper Paraguay River Region, Brazil
... deficient. The cave fishes Ancistrus formoso Sabino & Trajano 1997 and Trichomycterus dali Rizzato, Costa, Trajano & Bichuette 2011 are listed as ...found in the Paraná River ... See full document
9
Ichthyofauna of the “Cachoeira de São Roberto” and fishes of lower Preto River, upper Paraná River basin, Brazil
... abundance of Astyanax fasciatus, Bryconamericus stramineus, and Planaltina britskii in R1 than in R2 is, probably, because these species are drift feeders (Casatti & Castro 1998) ... See full document
10
SOCIAL ECONOMY – A FORM OF INCLUSION AND OF ''REACTIVATING'' OF LABOR IN THE CONTEXT OF THE CURRENT CRISIS
... Despite the exigencies of the European Union regarding the active inclusion , which means to ensure labor markets for those looking for a job and for the disadvantaged persons , ... See full document
13
The application of optical measurements for the determination of accuracy of gear wheels casts manufactured in the RT/RP process
... taking the measurements, an anti-reflection coating was applied on the tested gear ...wheel. The thickness of the coating ranged from 0,8 µm do 1,2 ...µm. The measurements were ... See full document
4
Spatial variation in the stable isotopes of 13 C and 15 N and trophic position of Leporinus friderici (Characiformes, Anostomidae) in Corumbá Reservoir, Brazil
... for the entire fish assem- blage (Forsberg et al. 1993). The low value could be related to the formation of Corumbá Reservoir that influ- enced the access to the sources ... See full document
9
Composição e estrutura da comunidade de peixes de um afluente do rio Tietê, bacia do Alto rio Paraná.
... A América do Sul contém a mais rica e variada ictiofauna de água doce do mundo, porém, muito dessa diversidade ainda é desconhecida, tanto na sua composição quanto em aspectos ecológicos, biológicos e taxonômicos. Essa ... See full document
10
Jislaine Cristina da Silva 1,3 , Éder André Gubiani2 Rosilene Luciana Delariva1
... variations in food supply play a crucial role in the determination of the patterns of food use by fish ...variations in food utilization by small fish species of ... See full document
11
Human Capital and the Recent Fall of Earnings Inequality in Brazil
... set of linear restrictions that transforms the unrestricted model (1) on restricted model ...8 In our case, the restriction implies that the age, trend and (orthogonal) time dummies are ... See full document
41
Antunes de Mello Affonso
... populations of Prochilodus marggravii in the São Francisco River Basin, revealed that the fish collected close to Três Marias Dam have a higher similarity coefficient than those ... See full document
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