Artigos científicos, teses e dissertações
Publicados nas melhores instituições de ensino

ABSTRACT The degradation and homogenization of natural habitats is considered a major cause of biotic homogenization. Many studies have been undertaken on the effects of dams on aquatic wildlife, in particular fish assemblages. But how do dams affect the parasitic fauna of such f...

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Ponte Nova Reservoir is a component of SABESP?s Sistema Produtor Alto Tietê, with Jundiaí Taiaçupeba, Paraitinga e Biritiba-Mirim reservoirs. The system is responsible for the water supply of part of the Região Metropolitana de São Paulo. The aim of the present study was to verif...

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The extrinsic and intrinsic venous drainage of the equine hoof have previously been poorly described. There is also an absence of information about the venous organisation of both primary and secondary dermal lamellae of the hoof wall. The purpose of this study was to describe th...

A new species of Austrolebias is described based on individuals from the middle and upper río Negro (río Uruguay basin) and río Yaguarón (Patos-Merín system). The new species can be differentiated from all other species of the genus by the unique presence in males of uniform blui...

Parte do livro:Adolpho Lutz - Viagens por terra de bichos e homens - v.3, Livro 3...

We intensively examined the recreational water quality of the Colorado River and 26 tributaries in Grand Canyon National Park over four consecutive summers. Highly ephemeral precipitation cycles and arid watershed hydrologies were the principal factors influencing water quality. ...

Variations in the drainage patterns of the renal veins are well described, but existing classifications of the renal veins have deficiencies. This study aimed to formulate a practical classification of their drainage patterns, taking into consideration the number of primary tribu...

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Resumo: O rio Paranapanema é um importante tributário, amplamente explorado da bacia do Alto rio Paraná. A fauna de peixes do rio Paranapanema vem sendo investigada desde a década de 1990; no entanto, nenhum estudo caracterizou a riqueza de espécies de peixes em toda a bacia, inc...

Since 1991, we have used a simple, single-clamp technique with open distal anastomosis to repair aneurysms of the descending aorta. To enhance the results of the single-clamp technique in a recent high-risk patient, we used selective hypothermia, cooling primarily the tissues and...

ABSTRACT A new mouth breeder species of Gymnogeophagus is described from a tributary of the río Uruguay. It is distinguished from most species of the genus by the presence of hypertrophied lips, and from G. labiatus and G. pseudolabiatus by the color pattern. The presence of succ...

Cytogenetic studies were performed on four populations of the fishes belonging to the Characidium genus collected on small tributaries of the Grande River basin south of the State of Minas Gerais Brazil The studies brought forth two manuscripts whose abstracts are presented below...

ABSTRACT Fish larvae and adults are morphologically distinct from each other and have different ecological requirements. Research on the dynamics of ichthyoplankton provides valuable information about the early stages of the life cycle of fish. This study analyzed the temporal an...

This dissertation presents an exportation routine and its aim is to facilitate the insertion process of small and micro companies from furniture sector in the international markets. Thus, this work was developed since the needs of finding alternative strategies that would give th...

The composition and distribution of fish fauna from streams and creeks of Mogi Guaçu and Corumbataí river basins, at São Paulo State, were studied and compared. A watershed in the boundary of the geomorphological provinces Cuestas Basálticas and Depressão Periférica isolates the ...

ABSTRACT Chickens have a great participation in meat and egg production. The anatomical scientific data of poultry is important to support the recent researches either for illustrations in academic studies or clinically in diagnosis and treatment of some poultry nutritional disea...

Hygienic and microbiological examinations of watercourses are usually not carried out during heavy rainfall and runoff events. After rainfall or snowmelt, there are often massive increases in turbidity in flooding creeks in mountain ranges, which are frequently interpreted as an ...

The biogeochemistry of mercury, including the evaluation of Dissolved Gaseous Mercury (DGM) fluxes at the interface water/air in the Rio Negro basin was carried out assuming four different approaches: (a) measurements of total mercury in the atmosphere and in the total precipitat...

The morphogenesis of the blood vessels in the bovine fetal skin, from the third to the tenth month of pregnancy was studied. Bovine fetal skin was found to be divided into 'unit vascular zones'. Each unit was centrally supplied with a ramus arteriosus cutaneous. The venous blood ...