15 articles in this issue
Giovanni Lemos de Mello, Hilton Amaral Júnior, Silvano Garcia, Luis Vinatea (Autor)
The objective of this study was to determine the LC50 (96h) of two pesticides: Sirius® 250 SC herbicide of the pyrazosulfuron-ethyl group, and Talcord® insecticide of the permethrin group, on juvenile Litopenaeus vannamei. Shrimp total hemocyte count (THC... see more
Daniel Mantovani, Lúcio Cardozo Filho, Leonilda Correia Santos, Vera Lúcia Ferreira de Souza, Cecilia Sumie Watanabe (Autor)
Nowadays, there is a great interest in the research and the production of functional foods, such as isoflavones. Which present proven action on the prevention of health problems, such as cancer and cardiovascular diseases. Considering the importance of so... see more
Pedro Caraballo, Andrés Felipe Sanchez-Caraballo, Bruce Forsberg, Rosseval Leite (Autor)
Para definir o efeito do seston como fonte de alimento para Ceriodaphnia cornuta e Diaphanosoma spinolosum durante a enchente no lago Catalão (Amazônia Central) foram desenvolvidos experimentos “in situ”, utilizando a variação natural de d13C e d15N como ... see more
Deivid Sousa Silva, Marcela Bianchessi de Cunha-Santino, Elineide Eugenio Marques (Autor)
Este estudo teve como objetivo determinar os coeficientes de decomposição da parte submersa (PS) e aérea (PA) de Salvinia auriculata em duas profundidades da coluna de água (superfície e sedimento). Também visou avaliar o rendimento do processo de perda d... see more
Thiago Cesar Lima Silveira, Gilberto Gonçalves Rodrigues, Gabriela Peixoto Coelho de Souza, Norma Luiza Würdig (Autor)
Lagoons are considered protected areas because these systems play a key ecological role. However, the extraction of macrophyte Schoenoplectus californicus is held for manufacture of handcrafts, being an alternative income for riverbank communities. This s... see more
Matheus Souza Lima-Ribeiro, Sueisla Lopes Rezende, Wilson Pereira Bernasol (Autor)
O objetivo do presente trabalho é identificar e descrever o padrão de distribuição espacial de Hymenaea courbaril L. (Fabaceae) e os fatores condicionantes em um fragmento florestal, denominado Mata do Açude, município de Jataí Estado de Goiás. O procedim... see more
Valéria Cope, Cacilda Thais Janson Mercante, Clovis Ferreira do Carmo, Suzana Sendacz, Adalberto José Monteiro Junior (Autor)
Paraitinga and Biritiba reservoirs are part of Sistema Produtor Alto Tietê and they play an important role at the public water supply. The purpose of this study is to understand the mass balance of nitrogen and phosphorus that can influence the eutrophica... see more
Tatiani Elisa Chapla, João Batista Campos (Autor)
We evaluated density and species composition of the soil seed bank in active pasture and in secondary forest on a 10 year-old abandoned pasture to identify changes in density, richness, diversity and species composition during secondary succession of aban... see more
Elisângela Düsman, Juliana Sala de Faria, Fabiana Toledo, Camila Montoro Mazeti, Marcus Eduardo Kamide Gonçalves, Veronica Elisa Pimenta Vicentini (Autor)
The increase in consumption of water, the destruction of riparian forests and the pollution caused by humans, have severely degraded several water resources. Numerous stream crisscross the city of Maringá, Paraná state, Brazil and most of their sources ar... see more
Giovanna Caputo Almeida-Ferreira, Alessandra Valéria de Oliveira, Alberto José Prioli, Sônia Maria Alves Pinto Prioli (Autor)
The introduction of exotic species in lake ecosystems has been greatly highlighted in the literature worldwide. Since introduction may threaten diversity of native fish, the issue turns up to be of paramount importance. Ecological effects may be predation... see more
Vagner Gularte Cortez, Iuri Goulart Baseia, Rosa Mara Borges da Silva (Autor)
As part of a review of gasteroid mycobiota from Rio Grande do Sul State, in southern Brazil, members of the Lysuraceae (Phallales) family were studied. Fresh and herbarium specimens were analyzed macro- and micromorphologically. Lysurus cruciatus, L. cruc... see more
Pascoal José Gaspar Júnior, Márcia Mayumi Tomizawa, Rosane Freitas Schwan, Danny Lee Rinker, Eustáquio Souza Dias (Autor)
The nutritional requirements of A. brasiliensis in culture media were assessed by supplementing a basal medium (g L-1): (glucose, 10, KH2PO4, 1, MgSO4.7H2O, 0.5, [NH4]2SO4, 1, pH 5.5) with CaCl2, trace elements (FeSO4.7H2O; MnCl2.4H2O; ZnSO4.7H2O; CuSO4.5... see more
Denise Aline Casimiro Bezerra, Fabíola Fernandes Galvão Rodrigues, José Galberto Martins da Costa, Andréia Vieira Pereira, Erlânio Oliveira de Sousa, Onaldo Guedes Rodrigues (Autor)
A necessidade de encontrar novas drogas eficazes no combate microbiano tem aumentado a cada dia e estimulado a busca de novos compostos naturais com atividades biológicas. Neste trabalho, realizaram-se estudo fitoquímico e análises microbiológicas com os ... see more
Robson Seriani, Maria José Tavares Ranzani-Paiva, Ângela Teresa Silva-Souza, Silvia Roseli Napoleão (Autor)
This study aimed to determine the variables leukocytary, erythrocytary, frequency of micronuclei and nuclear abnormalities in peripheral erythrocytes of Prochilodus argenteus, Pimelodus maculates and Myleus micans from São Francisco river basin, Minas Ger... see more
Edna Ursulino Alves, Roberta Sales Guedes, Edilma Pereira Gonçalves, Jeandson Silva Viana, Sueli da Silva Santos, Mácio Faria de Moura (Autor)
Peltophorum dubium (Spreng.) Taub. is a species belonging to the family Fabaceae, and is known popularly as golden shower tree. Its wood has multiple uses in reforestation programs and as an ornamental tree, and is also considered an endangered species, r... see more