20 articles in this issue
Frederico Jacob Eutrópio, Fátima Lieberenz Falleiros Mariante, Paulo Dias Ferreira Junior, Werther Krohling (Autor)
The fishery on Penaeidae shrimp is done all over the Brazilian coast, especially the seabob shrimp (Xiphopenaeus kroyeri). It is captured in large quantities in the Southeast and Southern Brazil. In order to study the population structure of X. kroyeri f... see more
Andréa Fernanda Lourenço da Silva, Márcia Regina Russo, Lucimara de Araújo Ramos, Aryadne Simões Rocha (Autor)
We evaluated the growth and diet composition of hybrid surubim larvae (Pseudoplatystoma corruscans x P. reticulatum) produced in two fish farming by using different systems of feeding with natural plankton: M I, larvae are transferred to fertilized fish p... see more
Debora Cristina Millan, Natália Sayuri Shiogiri, Naiara Elisabete da Silva de Souza, Hugo Ribeiro da Silva, Marisa Narciso Fernandes (Autor)
Natural insecticides from plant extracts represent an alternative to the highly toxic synthetic products in order to reduce environmental contamination; however some might also be toxic for non-target organisms. The present study determined the 50% lethal... see more
Anderson Alan da Cruz Coelho, Mário Ubirajara Gonçalves Barros, João Henrique Cavalcante Bezerra, José William Alves da Silva, Ricardo Lafaiete Moreira, Wladimir Ronald Lobo Farias (Autor)
This study aimed to evaluate the effect of nutrient depletion during the cultivation of the microalgae Tetraselmis tetrathele, and to verify the algal growth and productivity in different culture media (Guillard f/2 and Conway). The experiment was conduct... see more
Gisele Daiane Pinha, Priscila Colombelli Alessio, Fernanda de Almeida Gurski, Patrícia Almeida Sacramento, Tércio Abel Pezenti, Alice Michiyo Takeda (Autor)
Chironomidae larvae (Diptera) are one of the most important families among aquatic insects due to the higher abundance and species richness, considered an important tool for ecological studies. This study evaluated the richness of Chironomidae assemblage ... see more
Rosangela Guarisso de Souza, Sidnei Eduardo Lima-Junior (Autor)
This study analyzed physicochemical characteristics of the water, degradation of the surroundings and the influence of these factors on the diet of two fish species of Astyanax in Tarumã stream microbasin, central western Brazil. Fish were collected in ei... see more
Naiara Zanatta, Vivian de Mello Cionek, Evanilde Benedito (Autor)
This study aimed to characterize the reproductive strategies of fish from first order streams. Samplings were performed every three months from June 2008 to March 2009, using electric fishing at three streams: Conceição, Scherer and Jurema, located in the... see more
Benjamin Leonardo Alves White, Daniela Lima do Nascimento, Túlio Vinicius Paes Dantas, Adauto de Souza Ribeiro (Autor)
This study was carried out in the Serra de Itabaiana National Park from October, 2006, to October, 2007. The main objective was to quantify litterfall production and analyze decomposition rates in a tropical seasonal semideciduous forest. Forty 0.25 m² co... see more
Débora Cristina Souza, Arielle Vanessa Barbosa Alves, Luciana Oliveira Tolomeotti, Jilvan Ribeiro da Silva, Janaina de Melo Franco (Autor)
Understanding the plant communities affected by human activities related to urbanization is an important tool to conserve these. In this way, this study on an urban forest fragment aimed to evaluate, through a phytosociological study and investigation of ... see more
Eduardo Costella, Bruno Alves Garcia, Leonardo Severo da Costa, Nathana da Silva Corneleo, Adriano Luis Schünemann, Valdir Marcos Stefenon (Autor)
As effect of demographic growth in the last decades, many cities in Southern Brazil experienced a degradation process of conservation areas. In this study, semi-structured interviews and a phytosociological inventory were employed to assess the effect of ... see more
Matheus Souza Lima-Ribeiro, Frederico Valtuille Faleiro, Daniel Paiva Silva (Autor)
The purpose of this study was to investigate the importance of present and historical climate as determinants of current species richness pattern of forestry trees in South America. The study predicted the distribution of 217 tree species using Maxent mo... see more
Boris Briñez, Horacio Ferreira Júlio Júnior, Sonia Maria Alves Pinto Prioli, Thiago Cintra Maniglia, Alberto José Prioli (Autor)
Species of peacock bass were introduced in several watersheds in South America and worldwide, mainly due to its importance to sport fishing, by being a fighting fish. A recent revision of the genus Cichla showed that the species introduced in reservoirs o... see more
Camila Montoro Mazeti, Thiago Cintra Maniglia, Sônia Maria Alves Pinto Prioli, Alberto José Prioli (Autor)
There are evidences that Bryconamericus aff. iheringii represents a species complex. DNA molecular markers have been effective in studies on phylogeny, taxonomy, and identification of cryptic species. In this study, partial sequences of genes of ATPase 6 ... see more
Ludimilla Ronqui, Maria Aparecida Fernandez, Maria Claudia Colla Ruvolo Takasusuki (Autor)
This work carried out to evaluates the polymorhism in the silkworm of different lineages using the isoenzymes electrophoresis to detect biochemical markers and to investigate the genetics of populations for those lineages. They were used as samples indivi... see more
Victor José Mendes Cardoso, André Bianconi (Autor)
Germination parameters of the response to temperature and water potential from four common bean (Phaseolus vulgaris) lines based on thermal-time and hydrotime concepts were estimated to verify to what extent they can predict germination under different th... see more
Nayane Peixoto Soares, Alessandro Camilo Neres, Tainá de Abreu, Gabriel de Abreu Pfrimer, Hisao Nishijo, Tales Alexandre Aversi-Ferreira (Autor)
In Brazil, the knowledge on the use of medicine plants comes mainly from natives with African and European influences. With descriptive purposes and valuation of traditional knowledge, a study with induced questioning was conducted in the municipality of ... see more
Antônio Felix da Silva Filho, André Pukey Oliveira Galvão, Rosane Costa da Silva Galvão, Kleber Botelho Fraga, Carolina Peixoto Magalhães (Autor)
The frontal sinuses are cranial areas of clinical, forensic and pathology importance whose development mechanisms are still poorly defined. Nasal airflow and brain development are two of the main theories. Current analysis debates whether they are the rea... see more
Tania Regina Santos Soares, Juliana Soares Ferraz, Camila Buziquia Dartibale, Inandiara Rafaella Marco Oliveira (Autor)
Kidneys are especially irrigated by a pair of arteries originated from the aorta artery. The presence of additional renal arteries is the most frequent variation in this vascularization, an aspect important to be known in renal surgeries and radiological ... see more
Leonardo Vidal Andreato, João Victor Del Conti Esteves, Felipe Natali Almeida, Tatiane Aparecida da Silva Ribeito, Helenton Cristhian Barrena, Sidnei Barnabé Peres, Solange Marta Franzói de Moraes (Autor)
Anabolic steroids have been constantly used among athletes and physically active individuals. Adverse effects of such use are reported in the literature. However, little is known about the effects of anabolic steroid use associated with strength training.... see more
Priscila Nakagawa, Maria Montserrat Diaz Pedrosa (Autor)
This work aimed at verifying the effect of the chronic ingestion of caffeine on body weight and adiposity of Wistar rats. Sixteen male Wistar rats weighting on average 240 g were divided into two groups, one control and the other caffeine-treated (5 mg kg... see more