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,…

Descripción completa.

En: Proceedings of the 35th Hawaii International Conference on System Sciences, 2002

This paper investigates and analyses the process of building a knowledge management (KM) model at Brazil‟s Embrapa (The Brazilian Agricultural Research Corporation). Embrapa is a world class knowledge organization whose mission is to provide feasible solutions for the sustainable development…

Abstract: The mangrove ecosystem is a coastal tropical biome located in the transition zone between land and sea that is characterized by periodic flooding, which confers unique and specific environmental conditions on this biome. In these ecosystems, the vegetation is…

In the past few years, improvements in the data acquisition technology have decreased the time interval of data gathering. Consequently, institutions have stored huge amounts of data such as climate time series and remote sensing images. Computational models to filter,…

The purpose of the present thesis was to examine psychosocial and behavioural factors associated with the decision-making process involved in uptake of the human papillomavirus (HPV) vaccine. In Canada, the HPV vaccine has been approved for women and men aged…

My study focuses on b-boying, the archetype of hiphop dance, to better understand the informal teaching and learning processes embodied in the freestyle or raw b-boy cipher (improvisational dance circle). I draw from an ethnographic approach to investigate how hiphop…

Objective: Despite the established effectiveness of medication in improving symptoms of attention-deficit hyperactivity disorder (ADHD) (Spencer et al 2000), rates of adherence to pharmacotherapy are low, ranging from 34% to 91% (Gau et al., 2006). Since higher adherence rates are…

This thesis investigated how instructional environments might be optimally designed for all students to restructure prior knowledge and learn counter-intuitive science concepts, referred to as conceptual change. Three independent variables were examined in relation to real-time cognitive processes and subsequent…