15 articles in this issue
Marcelo Ricardo Souza, Antônio Olinto Ávila-da-Silva (Autor)
O peixe-porco (Balistes capriscus) é um importante recurso pesqueiro no Estado de São Paulo. Para se avaliar sua captura foram analisados dados de 15.004 espécimes provenientes de 91 desembarques das frotas de arrasto duplo de portas médio, arrasto de par... see more
Lúcia Helena Sipaúba-Tavares, Elaine Mirela Lourenço, Francisco Manoel de Souza Braga (Autor)
Este estudo verificou algumas variáveis limnológicas na água de entrada em seis viveiros de criação semi-intensiva de peixes com distribuição sequencial de água em três períodos distintos de engorda de peixes (maio, outubro e janeiro), durante 15 dias con... see more
Marcelo Mattos Pedreira, Edson Vieira Sampaio, José Cláudio Epaminondas dos Santos, Ronald Kennedy Luz (Autor)
O presente experimento avaliou o desempenho e sobrevivência de juvenis de matrinxã Brycon orthotaenia cultivados em tanques-rede de 4 m3, por 197 dias, em três densidades de estocagem: 20, 40 e 60 peixes m-3. Foram utilizados exemplares com 19,9 ± 0,3 cm ... see more
Carina Moresco, Liliana Rodrigues (Autor)
In order to analyze the structure and dynamics of the periphytic community in Iraí reservoir, an eutrophic environment, samples were taken in two seasons: summer (April) and winter (September) of 2002, in littoral areas from three regions of the reservoir... see more
Matheus Oliveira Freitas, Rafael Velastin (Autor)
Durante os meses de outubro de 2004 e setembro de 2005, foram realizadas coletas para identificação da ictiofauna associada a um cultivo de mexilhão Perna perna, no município de São Francisco do Sul, Estado de Santa Catarina. Foi coletado o total de 511 p... see more
Rogério Luis Cansian, Altemir José Mossi, Marco Di-Luccio, Michel Luis Cechet, Marcio Mazutti, Sergio Echeverrigaray (Autor)
A progeny of Cambona-4, a female maté plant (Ilex paraguariensis) selected by its agronomical characteristics and mild flavor, was evaluated using RAPD markers in order to identify its male parents. Using RAPD markers specifics of each one of the four pot... see more
Juliana Magalhães Bandeira, Valmor João Bianchi, Sílvia Rubin, José Antonio Peters, Eugenia Jacira Bolacel Braga (Autor)
The Plectranthus genus comprises several species generally referred to as boldo, which are highly used in popular medicine due to their anti-dyspeptic, analgesic and digestion-stimulating properties. The amount of natural active principles can vary greatl... see more
José Fernandes Bezerra-Neto, Ludmila Silva Briguenti, Ricardo Motta Pinto-Coelho (Autor)
Carioca Lake is located within the limits of the Rio Doce State Park, in the eastern part of the state of Minas Gerais. This park, one of the largest natural reserves of the Atlantic Rain Forest in Brazil, is a hotspot of tropical biodiversity. The purpos... see more
Juliana Strieder Philippsen, Evanilde Benedito, Cláudio Henrique Zawadzki (Autor)
The urban environment has become an object of study by ornithologists, who seek to understand the relationships between this new habitat and the birds that survive within it. Aiming to investigate the composition and richness of the avifauna present at th... see more
Ísis Serrano Silva, Cristiano Ragagnin de Menezes, Andréia Fonseca de Faria, Josemar Gurgel da Costa, Susan Pepper, Margaret Britz, Lucia Regina Durrant (Autor)
Polycyclic aromatic hydrocarbons (PAHs) constitute a group of priority pollutants which are present at high concentrations in the soils of many industrial contaminated sites. Pollution by these compounds may stimulate growth of organisms able to live in t... see more
Natalia da Costa Marchiori, Aimê Rachel Magenta Magalhães, Joaber Pereira Junior (Autor)
The orange disease is considered the main parasitosis in Perna perna mussel. It is caused by a complex life cycle bucephalid, involving three hosts, among them mollusks and fishes. With the aim of contributing to the knowledge of orange disease in mussel ... see more
Fernando de Castro Tavernari, Ricardo Massato Takemoto, Ana Carolina Figueredo Lacerda, Gilberto Cézar Pavanelli (Autor)
A new species of Demidospermus Suriano, 1983 is described from the gills of Auchenipterus osteomystax Miranda-Ribeiro, 1918 (Auchenipteridae), collected in the upper Paraná river floodplain, Brazil. The gills were removed and preserved in 5% formalin. Lat... see more
Luís Henrique de Aquino Moreira, Fábio Hideki Yamada, Tiago Lopes Ceschini, Ricardo Massato Takemoto, Gilberto Cezar Pavanelli (Autor)
The study analyzed 84 specimens of Metynnis lippincottianus (Cope, 1870) (Characidae) from two environments with different degrees of impact due to a hydroeletric plant; 44 hosts from the upper Parana river floodplain (low degree of impact) and 40 from Pa... see more
Priscila Martinazzi Quirgo Nunes, Edgar Rosa Foizer, Levy de Carvalho Gomes, Adriana Regina Chippari-Gomes (Autor)
Como forma de monitoramento de áreas degradadas, testes de toxicidade têm sido amplamente utilizados. Este trabalho teve como objetivo avaliar a toxicidade do cobre para o piauçu a partir da determinação da CL50 96h e da análise de alterações nos padrões ... see more
Caroline da Silva Montes, Maria Auxiliadora Pantoja Ferreira, Simone do Socorro Damasceno Santos, Esther Iris C. Freifrau Von Ledebur, Rossineide Martins Rocha (Autor)
This work analyzes the morphological alterations in Brachyplatystoma rousseauxii gills and evaluates whether this species can be considered an environmental monitoring biomarker of Guajará Bay. Sampling was carried out in four areas around Belém, Brazil, ... see more