15 articles in this issue
Renato Soares Cardoso, Carlos Edwar Carvalho Freitas (Autor)
Fishery resources in the Amazon region are exploited by both industrial and artisanal fishing fleets, that differ in their use of fishing gear and fishing grounds. Data on the physical characteristics of the vessels belonging to the fishing fleets using t... see more
Rosangela Lopes Zaganini, Ana Paula Vidotto-Magnoni, Edmir Daniel Carvalho (Autor)
The Nile Tilapia, Oreochromis niloticus, and the Congo Tilapia, Tilapia rendalli, are important members of the African cichlids, and have been introduced to many Brazilian lakes and reservoirs. These species exhibit a large feeding flexibility and may mod... see more
Denise Torres Cruz Reis, Thiago Rennó dos Mares-Guia, Jamil Silvano de Oliveira, Alexandre Martins Costa Santos, Marcelo Matos Santoro, Maria Goreti Almeida Oliveira (Autor)
Disruption of protein digestion in insects by specific endoprotease inhibitors is being regarded as an alternative to conventional insecticides for pest control. To optimize the effectiveness of this strategy, the understanding of the endoprotease diversi... see more
Marco Antonio Gomes Souto (Autor)
Landscape Ecology is a contemporary approach in conservation studies in which, coupled to the development and use of GIS-based tools, provides new methods for the analysis of forest fragments. Based on these new approaches, the environmental assessment of... see more
Leon Maximiliano Rodrigues, Albano Schwarzbold, Maria Angélica Oliveira (Autor)
The present study examined the behavior of a reservoir located on subtropical latitude (Dona Francisca reservoir). The limnological variables measured were dissolved oxygen, temperature, pH and electric conductivity. Measurements were taken quarterly at d... see more
Margarete Mallasen, Helenice Pereira de Barros, Daniela Polizeli Traficante, André Luiz Scarano Camargo (Autor)
In order to understand the influence of a net cage tilapia culture on the environment, water quality parameters were investigated during the period between December, 2005 and November, 2007. Three sampling stations were established in the reservoir of Nov... see more
Maíra Moreira Morais, Roberta Ferreira Miranda, Kariny Barroso-Silva, Anderson Oliveira Latini (Autor)
The importance of water resources to mankind and the threat level these resources have withstood due to regional and worldwide human intervention are undeniable. In the middle stretch of the Doce river basin, there are close to 170 natural lakes, located ... see more
Thiago Cintra Maniglia, Alberto José Prioli, Thais Souto Bignotto, Talge Aiex Boni, Sônia Maria Alves Pinto Prioli, Carla Simone Pavanelli (Autor)
Characidae is the largest and more diversified family from Characiformes and presents several classification problems, with several genera currently allocated as incertae sedis, such as the genus Hemigrammus. The upper Paraná river floodplain is an enviro... see more
Elisângela Düsman, Larissa Aparecida Gonçalves, Ana Flávia Reusing, Paula Garcia Martin, Rosinete Gonçalves Mariucci, Veronica Elisa Pimenta Vicentini (Autor)
Streams Mandacaru, Maringá, Miosótis and Nazareth in the urban area of Maringá, Estado do Paraná, Brazil are affected by the local population’s polluting practices. Meristemic cells of Allium cepa L. roots were used as test system to evaluate the cytotoxi... see more
Marlene Rodrigues da Silva, Maria Raquel Marçal Natali, Norma Segatti Hahn (Autor)
the esophagus, stomach and intestine of Satanoperca pappaterra using histological techniques. The species presents detritivore-invertivore feeding habit and is widely distributed in Neotropical continental waters. The esophagus is short, the stomach is sm... see more
Mônica Cassel, Christine Strussmann, Adelina Ferreira (Autor)
The construction of dams causes major impacts on fauna by changing or eliminating irreversibly their habitats. The resulting changes lead to deep potential modifications on reproductive biology and population structure of lizards, snakes and amphisbaenas.... see more
Mycarla Míria Araujo de Lucena, Eliza Maria Xavier Freire (Autor)
This paper analyzes the Environmental Perception about the potential use of wildlife resources by the population surrounding the RPPN Stoessel de Britto. Through open and closed questions, we interviewed 90 residents at Laginhas community (87% of domicile... see more
Simone Rodrigues Slusarski, Maria Conceição de Souza (Autor)
The vegetation from the upper Paraná river floodplain is a fragment of Seasonal Semideciduous Forest (SSF) that presents fields, lowlands and extensive areas of pasture along with forest formations. Aiming to accomplish analyses of floristic similarity be... see more
Aquélis Armiliato Emer, Marisa de Cacia Oliveira, Michelle Mellissa Althaus-Ottmann (Autor)
Ligustrum lucidum ait. is an exotic species and In the present study, contents of sugars, proteins, and germination were evaluated in seeds removed from not abscisic and abscisic fruits. The seeds were stored or not under shadow or sun. The higher c... see more
Adriano Reder de Carvalho, José Luis Fernando Luque (Autor)
Three new species of monogeneans parasitic on the gills and esophagus of Trichiurus lepturus (Linnaeus, 1758) in the Southern Brazilian coast are described herein. Between July 2006 and June 2007, 120 specimens of T. lepturus were acquired from local fish... see more