15 articles in this issue
Cristiane Honorato Cunha, Lídia Miyako Yoshii Oshiro (Autor)
Macrobrachium acanthurus is distributed along the Brazilian coastal rivers and shows potential for aquaculture. This study was carried out to provide information on the reproduction of M. acanthurus in captivity and the influence of unilateral eyestalk ab... see more
Michelle Pereira Melo, José Marcelino Oliveira Carvalheiro, Tarcísio Alves Cordeiro, Andressa Ribeiro Queiroz, João Paulo Prado, Ivone Ferreira Borges (Autor)
The aim of this work is to assess the different compositions of phytoplankton in three cultivation systems of marine shrimps Litopenaeus vannamei (BOONE, 1931), denominated as organic, intensive and semi intensive. The samples were done fortnightly, when ... see more
Raquel Renan Jorge Borsari, João Batista Buzato, Rui Sérgio dos Santos Ferreira da Silva, Maria Antonia Pedrini Colabone Celligoi (Autor)
The effect of the variables pantothenic acid, yeast extract and sodium chloride, as well as the cell permeabilization technique, were investigated on the formation of levan, ethanol, sorbitol and biomass of Zymomonas mobilis, using a 24-1 fraction factori... see more
José Ariévilo Gurgel Rodrigues, Valeska Martins Torres, Daniel Barroso de Alencar, Alexandre Holanda Sampaio, Wladimir Ronald Lobo Farias (Autor)
A crescente carência de heparina (HEP) motiva a busca por fontes alternativas de novos anticoagulantes naturais. Objetivou-se avaliar a atividade anticoagulante dos polissacarídeos sulfatados (PS) isolados de uma rodofícea do gênero Halymenia, nativa do l... see more
André Lincoln Barroso de Magalhães, Claudia Maria Jacobi (Autor)
-
Leonaldo Alves de Andrade, Juliano Ricardo Fabricante, Francieldo Xavier de Oliveira (Autor)
Estima-se que as áreas invadidas por algaroba – Prosopis juliflora (Sw.) DC. (Fabaceae) no semi-árido nordestino já ultrapassam um milhão de hectares. O presente trabalho objetivou estudar os impactos da invasão de P. juliflora sobre a fitodiversidade e ... see more
Hélida Ferreira da Cunha, Fabiane Geralda Alves Moreira, Silvania de Sousa Silva (Autor)
Roadkill of wild vertebrates along GO-060, Brazil. Roads represent an old and constant cause of accidental death of wildlife. From May 2004 to November 2005, we recorded the roadkills of vertebrates in the GO-060 road between Goiânia and Iporá. For each r... see more
João Eduardo Cavalcanti Brito, Janaina Gazarini, Cláudio Henrique Zawadzki (Autor)
A abundância e a frugivoria de morcegos que compõem a taxocenose em uma área de mata ripária, à margem esquerda do rio Ivaí, foram foco do presente estudo. O Recanto Marista possui 57,6 hectares, dos quais 40,8 são cobertos por Floresta Estacional Semidec... see more
Jaciara Vanessa Krüger Paes, Edmir Daniel Carvalho, Reinaldo José Silva (Autor)
This study aimed to evaluate the infection by the Austrodiplostomum compactum metacercariae in fishes from the Nova Avanhandava Reservoir, low Tietê river, São Paulo State, Brazil. The parasites were collected from eye (aqueous and vitreous humor), fixed ... see more
Karina Keyla Tondato, Yzel Rondon Súarez (Autor)
This study was carried out in headwater streams in the Paraguay and Paraná river basins, with bi-monthly samples from January to November 2004, aiming to quantify the influence of environmental factors on the temporal rate of turnover in species compositi... see more
Natália Sayuri Shiogiri, Silvia Patrícia Carraschi, Patrícia Cubo, Bárbara Lopes Schiavetti, Claudinei da Cruz, Robinson Antonio Pitelli (Autor)
Aquatic macrophytes are important components of aquatic ecosystems, but these plants have become a problem due to their occurrence in different regions. Some studies aimed to demonstrate the effectiveness of herbicides to control these macrophytes; howeve... see more
Celso Carlos Buglione, Felipe do Nascimento Vieira, José Luiz Pedreira Mouriño, Fabiola Santiago Pedrotti, Adolfo Jatoba, Maurício Laterça Martins (Autor)
This study evaluated the pathogenic characteristics of bacteria isolated from Litopenaeus vannamei during an outbreak at the Laboratory of Marine Shrimp, UFSC, Santa Catarina State, Brazil. Their virulence potential in larvae and juvenile shrimp and the ... see more
Angela Maria Marques Sanches Marques, Ismar Sebastião Moscheta (Autor)
The upper Paraná River floodplain is characterized by the existence of several aquatic and transitional habitats between the aquatic and terrestrial environment, influencing the presence and distribution of aquatic macrophytes. Samples were taken from dif... see more
Marize Terezinha Lopes Pereira Peres, Ana Carina da Silva Cândido, Marilia Bisacotti Bonilla, Odival Faccenda, Sônia Corina Hess (Autor)
This work aimed to investigate the phytotoxic potential of the aerial and underground parts of Senna occidentalis and S. obtusifolia on the germination and initial growth of lettuce and onion. Four concentrations were used of each ethanol extract (0, 250,... see more
Graziela Custodio Balassa, Débora Cristina de Souza, Sônia Barbosa de Lima (Autor)
The study sought to evaluate the potential of the aquatic macrophyte Pontederia parviflora Alexander in the absorption of copper (Cu) and possible variations in its tissues after 21 days of exposure to this metal. The concentration of Cu was analyzed in t... see more