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Showing 5 results for González


Volume 10, Issue 2 (6-2024)
Abstract

The dynamics and complexity of plant communities influence the diversity and distribution of animals in various environments. Coleoptera are the most diverse group of insects and are valued as monitoring and environmental assessment tools. However, their diversity and dynamics in these high-altitude environments are poorly known. Using pitfall traps and suction sampling, we collected beetles to study their community responses to changes in different vegetation heterogeneities (low, intermediate, and high). The heterogeneity gradient was determined by considering the dominant plant species in each habitat, the percentage of vegetation coverage, and the percentage of vertical strata. Guild's responses to vegetation heterogeneity were analysed in conjunction with the patterns of alpha and beta diversity in beetles. Representatives of 41 species/morphospecies of beetles, 16 families, and four guilds were reported. Significant variations were observed in guild composition and alpha and beta diversity, especially between high and low vegetation heterogeneity habitats. The significant species turnover between sites is the main factor responsible for the high beta diversity, supporting considerable habitat heterogeneity within these environments. Phytophagous, detritivorous, necrophagous, and predatory beetles exhibited distinct responses to the vegetation's heterogeneity. This suggests that every habitat under investigation possesses a distinct structure of beetle communities. Predators were important in habitats with more diverse vegetation, while phytophagous were important in the most homogeneous ones. Beetle communities in the Puna and Altos Andes of Salta province respond positively to vegetation heterogeneity, which plays a crucial role in determining the composition of small-scale beetle communities in arid high-altitude environments.

Volume 10, Issue 3 (Summer 2022)
Abstract

Aims: University students have increased health problems, mental disorders, and health risk behaviors, compared to the general population. Health consequences may increase by the presence of multiple risk factors and the lack of protective ones. This research aimed to study the health-related quality of life of students, and its relation to academic stress coping and happiness-increasing strategies.
Instrument & Methods: We used a relational transversal design, with a random stratified polytypic sample of 351 students. Applied instruments include the academic stress coping scale, the positive affect enhancing strategies scale, and the EUROQoL 5-D. The analysis included descriptive statistics, student t, simple ANOVA, and profile analysis through the hierarchical cluster method. Analysis was made with JAMOVI 1.6 software
Findings: Sixty-five percent of students reported having one or more health problems, mostly mental health type and the health-related life quality perception score was 75 (from 0-100). We found five stress-coping profiles: intellectual, support-seeking, active, optimist, and passive, which differentiated in health-related life quality (F(4,343)=16.095, p<0.01).
Conclusion: University students have a lower health-related quality of life than the general population. Academic stress-coping and happiness-enhancing strategies showed 5 profiles.

Volume 14, Issue 1 (March & April 2023 (Articles in English & French) 2023)
Abstract

The situation generated by the pandemic has caused irreversible changes in society and the educational world, manifesting a necessary change in methodology in the teaching and learning process. The purpose of this study, which is part of a doctoral thesis investigation, was to analyze the use of Information and Communication Technologies (ICTs) and the digital competences of teachers in the Foreign Language classroom, before and during the state of alarm provoked by the pandemic Covid-19, based on sociodemographic factors. A non-experimental, ex post facto, descriptive study was carried out using a single measuring instrument. The final sample consisted of 117 foreign language teachers from bilingual schools of Primary and Secondary Education in Andalusia (Spain), both public and semi-private. The results indicate that teachers improved their digital skills as a result of the increased frequency of ICT use during the pandemic, and men under 30 years of age felt more motivated to use and incorporate new technologies in their classes. Even so, teachers continue to express the need for greater training opportunities in the use of ICTs for both educators and students, which will pose new challenges in the acquisition and development of digital competencies and from which new needs will emerge.


 

Volume 14, Issue 5 (November & December 2023 (Articles in English & French) 2023)
Abstract

The coronavirus pandemic affected education enormously, and despite numerous previous efforts to achieve digitalization, virtual teaching revealed deficiencies in both the EFL teachers’ digital competence and in the peripheral use of Information and communication technologies (ICTs). This study focused on a sample group to analyze the relationship between the implementation of this model and the pre-pandemic digital approach in order to identify deficiencies that need to be strengthened to achieve increasingly effective integration of blended learning. A questionnaire was used to collect data from participating teachers in the areas of school digital strategy, digital competence, and teaching practice in blended learning. The data were analyzed through structural equation models, verifying the relation between variables and also according to specific training on ICTs. An active but insufficient effort on the part of the participants’ schools to promote digitalization was revealed. The implementation of blended learning has been favored more by the responsiveness of participating EFL teachers than by the provision of specific training on the part of schools, which lacked common guidelines from the public administration. These EFL teachers can respond to changes, but the schools’ support is essential for the successful implementation of blended learning, updating the approach of the digital strategy adopted so far.
 

Volume 23, Issue 3 (5-2021)
Abstract

There are more than two thousand varieties of olives grown worldwide, most of them native to the Mediterranean Region. However, in Argentina, only a small number of olive varieties are cultivated. In Mendoza Province, there is a collection of olive varieties that includes more than seventy accessions; nevertheless, little is known about the adaptation of the different varieties to the province’s arid conditions. The aims of this work were to evaluate fruit characteristics of agronomic importance in 26 olive accessions of the germplasm collection and to compare the fruit characteristics of local variety ‘Arauco’ in different environments and growing seasons in Mendoza. In addition, an economic, quick, and easy method to estimate fruit oil content was calibrated and validated using a wide range of olive varieties. Varieties and years showed significant (P≤ 0.01) differences for all the evaluated characteristics. Fruit oil content was closely and positively related to pulp dry weight (y= -0.05+0.56x; r= 0.99). The varieties highlighted from the collection for their high fruit oil concentration in fresh base and low moisture were ‘Canino’, ‘Cornezuelo’, ‘Cucci’, ‘Dritta’, ‘Dulzal’, ‘Farga’, ‘Frantoio’, ‘Grappollo’, ‘Nebbio’, ‘Picual’, and ‘Villalonga’. Additionally, all fruit characteristics evaluated in ‘Arauco’ were similar among the studied environments and were significantly (P0.01) influenced by seasonal conditions. The proposed model, calibrated and validated with independent data, would allow determining the best harvest time simply from pulp dry weight as model input, determining oil content and analyzing several samples in a short period of time.

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