9 research outputs found

    Taller de Autoaprendizaje de Ingeniería del Software: Un modelo de autogestión

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    En esta comunicación se presenta una experiencia que se está llevando a cabo en la EU. de Ingeniería Técnica en Informática de Gestión de la Universidad de Vigo, y que está siendo financiada por el Programa de Innovación Educativa del Vicerrectorado de Innovación Educativa y Estudiantes. La experiencia consiste en la creación de un Taller de Autoaprendizaje de Ingenieria del Software, en el que equipos de alumnos desarrollarán proyectos de software reales, proyectos que serán gestionados y dirigidos por ellos mismos. Se trata, así, de conseguir que el alumno adquiera la experiencia que puede aportarle el desarrollo de pequeños sistemas reales, con clientes reales, experiencia que no se puede conseguir en el desarrollo normal de una asignatura

    Life cycle assessment of repurposed waste electric and electronic equipment in comparison with original equipment

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    Financiado para publicación en acceso aberto: Universidade de Vigo/CISUGReuse is considered as a priority alternative for the management of Waste from Electrical and Electronic Equipment (WEEE). The reason is that it is thought that reuse always has a lower environmental impact. However, few studies have evaluated in detail the environmental impacts of reuse, and even fewer have analysed cases of reuse for a purpose other than the original one. In this study, life cycle assessment (LCA) following the ISO 14040 standard, was employed to assess the environmental impacts of two preparing for reuse processes of desktop computer considered as WEEE, whose results were repurposed products with industrial application: a programmable logic controller (PLC) and a perimeter security system (PSA). These scenarios were compared with other equivalents in which the products come from virgin raw materials. The results showed a worse environmental performance of repurposed PLC than one original, due mainly to differences in distribution and use stages. The greater weight, the shorter lifespan and mainly the higher operating power were responsible for the greater negative effects of the reuse scenario. However, repurposed PSA has a lower negative impact than original equipment in all environmental categories analysed. This was mainly due to its lower operating power and also not having demanding technical characteristics. Therefore, in this case, the usage profile, the composition and the lifespan can be considered as the main factors that determine the environmental advantage of repurposed products. The main conclusion of this work is that the environmental viability of the reuse of WEEE depends on the existing commercial alternatives for the application of the new product obtained; being one of the main factors the power consumption and the lifespan. This constitutes an important aspect to take into account when developing regulations, strategies and policies to prevent the implementation of WEEE management systems with environmental impacts greater than other alternatives. Further, the specific information about environmental performance of repurposing can contribute to the development of new processes of preparing for reuse. In this way, the commercialization of new products from these processes is favoured, which contributes to improving the environmental management of WEEE and the development of the circular economy

    Current status on the need for improved accessibility to climate models code

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    Over the past few years, increasing attention has been focused on the need to publish computer code as an integral part of the research process. This has been reflected in improved policies on publication in scientific journals, including key related issues such as repositories and licensing. We explore the state of the art of code availability and the sharing of climate models using the Fifth Coupled Model Intercomparison Project (CMIP5) models as a test bed, and we include some particular reflections on this case. Our results show that there are many limitations in terms of access to the code for these climate models and that the climate modelling community needs to improve its code-sharing practice to comply with best practice in this regard and the most recent editorial publishing policiesEuropean Regional Development Fund | Ref. CGL2015-71575-PGobierno de España | Ref. CGL2015-71575-PGobierno de España | Ref. RYC-2013-14560Xunta de Galicia | Ref. ED431C 2017/64-GR

    Solución tecnolóxica para PREVIN-MAT

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    Este proxecto realiza a implementación tecnolóxica dun proceso de avaliación cognitiva e matemática de alumnado de idade escolar. Este proceso de avaliación é un estándar utilizado amplamente. Está composto por un conxunto de escalas, que á súa vez están compostas de probas e estas están formadas por exercicios. Un avaliador/a realiza unha avaliación cun alumno/a dirixindo o proceso de realización de todos os exercicios, tendo cada un deles unha mecánica diferente e un conxunto de características de execución e medición dos resultados específico. Os resultados e os datos de execución (como tempo, número de intentos ou número de erros) almacénanse para cada proba de cada avaliación para un posterior cálculo de cualificacións normalizadas para cada alumno/a. Esta ferramenta está construída nunha arquitectura cliente-servidor cun servidor Apache, linguaxe de programación PHP e base de datos MYSQL

    Global data on earthworm abundance, biomass, diversity and corresponding environmental properties

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    Data collated from data provided by original data collectors or from data provided within published articles. The MetaData.csv provides information on each of the original data sources, including bibliographic information about the original article and information on how many sites were sampled. The SiteData.csv gives site-level variables, such as geographic coordinates, the environmental parameters as well as site-level community metrics (species richness, total abundance and total biomass). The SppOccData.csv provides the observation level data - the occurrence, abundance and/or biomass of individual species/morpho-species/life-stage at a particular site. Not every data source contained such observation level data. Metadata information about the variables in each file are provided in the files MetaData_info.csv, SiteData_info.csv and SppOccData_info.csv, respectively. All files provided use the character encoding UTF-8, and missing values are represented by "NA"

    Global distribution of earthworm diversity

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    Soil organisms, including earthworms, are a key component of terrestrial ecosystems. However, little is known about their diversity, their distribution, and the threats affecting them. We compiled a global dataset of sampled earthworm communities from 6928 sites in 57 countries as a basis for predicting patterns in earthworm diversity, abundance, and biomass. We found that local species richness and abundance typically peaked at higher latitudes, displaying patterns opposite to those observed in aboveground organisms. However, high species dissimilarity across tropical locations may cause diversity across the entirety of the tropics to be higher than elsewhere. Climate variables were found to be more important in shaping earthworm communities than soil properties or habitat cover. These findings suggest that climate change may have serious implications for earthworm communities and for the functions they provide.status: publishe

    Global distribution of earthworm diversity

    No full text
    Soil organisms, including earthworms, are a key component of terrestrial ecosystems. However, little is known about their diversity, their distribution, and the threats affecting them. We compiled a global dataset of sampled earthworm communities from 6928 sites in 57 countries as a basis for predicting patterns in earthworm diversity, abundance, and biomass. We found that local species richness and abundance typically peaked at higher latitudes, displaying patterns opposite to those observed in aboveground organisms. However, high species dissimilarity across tropical locations may cause diversity across the entirety of the tropics to be higher than elsewhere. Climate variables were found to be more important in shaping earthworm communities than soil properties or habitat cover. These findings suggest that climate change may have serious implications for earthworm communities and for the functions they provide

    Global distribution of earthworm diversity

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    International audienceSoil organisms, including earthworms, are a key component of terrestrial ecosystems. However, little is known about their diversity, distribution, and the threats affecting them. Here, we compiled a global dataset of sampled earthworm communities from 6928 sites in 57 countries to predict patterns in earthworm diversity, abundance, and biomass. We identified that local species richness and abundance typically peaked at higher latitudes, patterns opposite to those observed in aboveground organisms. However, diversity across the entirety of the tropics may be higher than elsewhere, due to high species dissimilarity across locations. Climate variables were more important in shaping earthworm communities than soil properties or habitat cover. These findings suggest that climate change may have serious implications for earthworm communities and therefore the functions they provide
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