A distribuição generalizada de valores extremos (GEV) desempenha um PAPEL fundamental em estudos relacionados a medições físicas, em que é aplicada com a finalidade de descrever o comportamento de eventos raros Como esses valores são extraídos da cauda superior (ou…

Neste trabalho discutimos percepções e práticas de moradores e
produtores, e expressões destas, e também percepções sobre as intervenções de
organizações públicas, civis e de empresas agropecuárias e ambientais, sobre
usos e cuidados com os recursos naturais, em especial a…

The combination of soil science, forestry, agronomy and biology allowed an analytical comparison of various experimental mixed culture systems. From these studies, a descriptor system was developed which allows to understand the contribution of each plant species to nutrient cycling,…

Fish commonly known as acaris or plecos are freshwater armored catfish economically important as a food resource and as ornamental fish. Most of these species are captured in the Amazon region. However, despite its economic importance, there is a lack…

2014, Edição dos abstracts do 24º IUFRO World Congress, 2014, Salt Lake City. Sustaining forests, sustaining people: the role of research.

In plant breeding programs, the knowledge about the appropriate sample size for the evaluation of populations is very important. A small sample reduces the chance of selecting superior genotypes, whereas a very large sample may lead to unnecessary increases in…

The objective of this study was to establish an isolated microspore culture (IMC) protocol in wheat (Triticum aestivum L.) for use in genetic studies and to evaluate its potential for routine use in the Brazilian Wheat Breeding Program at Embrapa…

This case-study article presents the results from a morphology analysis of a knowledge and information network, focusing on the coordination mechanisms employed to generate a convergent arrangement. Agritempo was the first information system to offer (in 2003) free access to…

Microeconomics is perceived by students as one of the toughest subjects they face at the undergraduate level in order to obtain an Economics or Business degree. This is due to a sometimes rather stringent mathematical content, which is essential to…

"El amaranto es un grano que ha resurgido en este nuevo milenio con relevancia internacional debido a sus propiedades nutracéuticas y nutricionales. Una característica muy importante que posee el grano del amaranto es su capacidad de tolerar condiciones ambientales adversas…