4 resultados para automated assessment tool

em Repositório Científico da Universidade de Évora - Portugal


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As expetativas e exigências crescentes dos cidadãos face ao serviço público introduziram uma nova orientação nos processos de reforma e modernização administrativa. É neste contexto que surge o modelo de autoavaliação Common Assessment Framework (CAF), que está essencialmente direcionado para a administração pública, com o fim de promover a melhoria contínua dos serviços. Neste estudo pretende-se analisar a aplicabilidade da CAF como ferramenta de autoavaliação dos serviços públicos nos Serviços Académicos da Universidade de Évora (SAC), bem como verificar o impacto que a aplicação da CAF teve nos SAC, após o estudo realizado por Nogueira (2008), e efetuar um diagnóstico junto dos alunos, colaboradores e gestores para avaliar os processos desenvolvidos, bem como averiguar o seu grau de satisfação. Para atingir os objetivos propostos foi aplicado um inquérito por questionário junto dos alunos, colaboradores e gestores dos SAC. Os resultados obtidos permitiram extrair os pontos fortes (e.g. bons procedimentos para acolhimento e integração dos colaboradores, gestores não resistentes à mudança), evidenciar os pontos fracos (e.g. tempo de obtenção de respostas às solicitações efetuadas, atendimento telefónico desadequado), e enumerar as sugestões de melhoria para o serviço (e.g. maior número de funcionários a fazer atendimento, horários de abertura e de atendimento mais alargados); ABSTRACT: Expectations and increased demands of citizens on the public service introduced a new orientation in the reform and administrative modernization. lt is in this context that the model of self-assessment Common Assessment Framework (CAF), which is primarily directed to the government, in order to promote continuous improvement of services. This study aims to analyze the applicability of the CAF as a self-assessment tool of public services at the Academic Services of the University of Évora (SAC) and verify the impact that the implementation of the CAF had the SAC after the study by Nogueira (2008) and make a diagnosis with the students, employees and managers to assess the processes developed and ascertain their degree of satisfaction. To achieve the proposed objectives a questionnaire was applied to students, employees and managers of SAC. The results allowed to draw on the strengths (eg: good procedures for reception and integration of employees, not resistant to change managers), highlight the weaknesses (eg: time to obtain answers to made requests, inadequate telephone service), and list suggestions improvement for the service (eg: greater number of employees to service, opening hours and more extensive service).

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Effective management of invasive fishes depends on the availability of updated information about their distribution and spatial dispersion. Forensic analysis was performed using online and published data on the European catfish, Silurus glanis L., a recent invader in the Tagus catchment (Iberian Peninsula). Eighty records were obtained mainly from anglers’ fora and blogs, and more recently from www.youtube.com. Since the first record in 1998, S. glanis expanded its geographic range by 700 km of river network, occurring mainly in reservoirs and in high-order reaches. Human-mediated and natural dispersal events were identified, with the former occurring during the first years of invasion and involving movements of >50 km. Downstream dispersal directionality was predominant. The analysis of online data from anglers was found to provide useful information on the distribution and dispersal patterns of this non-native fish, and is potentially applicable as a preliminary, exploratory assessment tool for other non-native fishes.

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The molecular profiling system was developed using directed terminal-restriction fragment length polymorphism (dT-RFLP) to characterize soil nematode assemblages by relative abundance of feeding guilds and validation by comparison to traditional morphological method. The good performance of these molecular tools applied to soil nematodes assemblages create an opportunity to develop a novel approach for rapid assessment of the biodiversity changes of benthic nematodes assemblages of marine and estuarine sediments. The main aim of this research is to combine morphological and molecular analysis of estuarine nematodes assemblages, to establish a tool for fast assessment of the biodiversity changes within habitat recovery of Zostera noltii seagrass beds; and validate the dT-RFLP as a high-throughput tool to assess the system recovery. It was also proposed to develop a database of sequences related to individuals identified at species level to develop a new taxonomic reference system. A molecular phylogenetic analysis of the estuarine nematodes has being performed. After morphological identification, barcoding of 18S rDNA are being determined for each nematode species and the results have shown a good degree of concordance between traditional morphology-based identification and DNA sequences. The digest strategy developed for soil nematodes is not suitable for marine nematodes. Then five samples were cloned and sequenced and the sequence data was used to design a new dT-RFLP strategy to adapt this tool to marine assemblages. Several solutions were presented by DRAT and tested empirically to select the solution that cuts most efficiently, separating the different clusters. The results of quantitative PCR showed differences in nematode density between two sampling stations according the abundance of the nematode density obtained by the traditional methods. These results suggest that qPCR could be a robust tool for enumeration of nematode abundance, saving time.

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DNA barcoding has the potential to overcome taxonomic challenges in biological community assessments. However, fulfilling that potential requires successful amplification of a large and unbiased portion of the community. In this study, we attempted to identify mitochondrial gene cytochrome c oxidase I (COI) barcodes from 1024 benthic invertebrate specimens belonging to 54 taxa from low salinity environments of the Mira estuary and Torgal riverside (SW Portugal). Up to 17 primer pairs and several reaction conditions were attempted among specimens from all taxa, with amplification success defined as a single band of approximately 658 bp visualized on a pre-cast agarose gel, starting near the 5' end of the COI gene and suitable for sequencing. Amplification success was achieved for 99.6% of the 54 taxa, though no single primer was successful for more than 88.9% of the taxa. However, only 68.5% of the specimens within these taxa successfully amplified. Inhibition factors resulting from a non-purified DNA extracted and inexistence of species-specific primers for COI were pointed as the main reasons for an unsuccessful amplification. These results suggest that DNA barcoding can be an effective tool for application in low salinity environments where taxa such as chironomids and oligochaetes are challenging for morphological identification. Nevertheless, its implementation is not simple, as methods are still being standardized and multiple species