2009, Autores: Jorge Blajos, Patrick Lavelle, Dalva M. da Mota, Lucia Pitalluga, Sergio Salles Filho, Jorge Irán Vásquez.

The São Francisco River basin in Brazil is marked by socio-economic disparities and environrnental vulnerabilities. Water managers in the semi-arid region of the basin are faced with several challenges, such as competition among different water user groups, local over-exploitation of…

Soybean powdery mildew (Erysiphe diffusa) was considered a minor disease in Brazil in the decades immediately after its identification. However, since the outbreak in 1996/97 in all cultivated areas the disease has become a constant threat to farmers and losses…

Brazil nut is widely recognized as the cornerstone of the Amazonian extractive economy. Tight linkages between Brazil nut production, regional income, and intact mature forests have thrust this species into focus as a key component of Amazonian conservation and income…

This study delineates practical knowledge bases that university professors draw upon during exemplary Critical Incidents of teaching. One hundred and eight full-time, tenure track, university professors from departments of Biology, Chemistry, Economics, Engineering, English, History, Math, and Philosophy across the…

This study investigates the importance of traditional hunting knowledge to Cree identity and experience. My fieldwork was conducted in Wemindji, James Bay, Quebec, with Cree trappers and on the interactions of scientific researchers and Cree trappers. I explore the connections…

This research project investigates the nature of university professors' discipline-specific pedagogical knowledge (DPK). Traditionally, DPK has been examined with the help of constructs from two distinct lines of research: the knowledge base for teaching and disciplinary specificity in university teaching.…

The purpose of this study was to investigate sources of knowledge acquisition of high school team sport coaches. Six teacher/coaches were interviewed using a semi-structured open-ended interview format. Cote, Salmela, and Russell's (1995) guidelines were used to inductively analyze and…

2007

In this thesis we follow two directions: Zero Knowledge Protocols and the Discrete Logarithm Problem. In each direction we present the necessary background and we give a new approach for some parts of the existing protocols., The new parts are…