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Search for the substantiation of reasonable native elemental background values and reference variables in topsoil on glaciogenic and postglacial deposits in a Vilnius peri-urban area /
No full textGeochemical indices used to identify the emerging anomalies of potentially harmful elements in topsoil depend on background values (BVs). For urban sites, it is reasonable to estimate native BVs through the targeted selection of peri-urban sampling sites or by distinguishing a useful background subset (BS) within the peri-urban dataset. Here, the goals were to examine the influence of Quaternary deposits on various types of topsoil variables, identify the variables most helpful for cluster analysis intended for the choice of background subset (BS), and compare background values (BVs) based on different background subsets. Composite topsoil samples from a peri-urban area were used for the determination of the following variables: contents of 26 elements and components of the bulk mineralogical composition, as well as the sand, silt, and clay fractions and loss-on-ignition (LOI) at 550 °C and at 950 °C. Although Quaternary lithology influences topsoil elemental contents or granulometric fractions, percentages of illite, kaolinite, orthoclase, quartz, albite, dolomite, and LOI at 550 °C, the choice of BS, according to it, is not recommended, as BVs based on topsoil texture are superior. However, cluster analysis using topsoil fractions 63 μm or the contents of Al, Fe, K, Ti, Ga, Nb, Rb, and Si are preferable. It is recommended to use these reference variables for the selection of BS
Augalai, rasti dirbiniuose, naudotuose pagal pirminę paskirtį. Įsidėmėtinas atvejis iš Lazdininkų-Kalnalaukio kapinyno Vakarų Lietuvoje.
No full textThis article investigates tinned bronze ornaments found in two graves of the Lazdininkai-Kalnalaukis cemetery dated to the end of the 2nd century to the first quarter of the 3rd century AD from the perspective of archaeological materials, intercultural contacts, 14C AMS dating, and chemical-physical and biological research. These ornaments — a wheel-shaped pendant and a bead — were originally parts of fashionable necklaces. However, these ornaments went into the graves as spinning tools. The wheel-shaped pendant from grave 8(1992) contains the first ever found, or at least officially recorded, use in Lithuania of an aquatic plant for a spinning tool bobbin. The piece of possible linden tree wood was used to compose the spinning tool bobbin found in grave 68(2001). These spinning tools are the first to have appeared in Lithuanian archaeological material from as early as the end of the 2nd century to the first quarter of the 3rd century. In addition, both spinning tools are unique in the Lithuanian archaeological record so far in that the copper alloy spindle whorls were used to compose both working tools. The closest analogues for the wheel-shaped pendant are known from the Wielbark culture and this example should be considered as an import from that cultural area. Copper alloy beads and various local derivatives, however, are numerous in the range of the Baltic cultures area. The copper alloy wheel-shaped spindle whorls from the Migration period cemeteries are the spinning tools created for the specific purpose of spinning which were produced locally, even possibly in the same workshops
Vyresnio amžiaus asmenų fizinio aktyvumo didinimo galimybės per suvoktą fizinį raštingumą globos įstaigose: teorinės įžvalgos /
No full textRetirement intentions: links with the quality of work and personality traits /
No full textWhile the population of Europe is rapidly aging, extended working life has been increasingly promoted. However, a fair amount of older workers prefer to retire early. The question is, whether we know enough about what makes people want to retire as soon as they can. Research on the relationship between the quality of work and retirement intentions has received significant attention but delivered ambiguous results, which may mean that the relationship between retirement intentions and the quality of work is more complex, i.e. moderated by other constructs. Therefore, using data obtained from the seventh wave of the Survey of Health, Ageing and Retirement in Europe (SHARE), we assess the relationship of the retirement intentions with the quality of work, and personality traits. In addition, we investigate whether personality traits moderate the relationship between retirement intentions and the quality of work. We found that physical demands, psychosocial demands, social support at work, control, and reward predict retirement intentions. Neuroticism, extraversion, and agreeableness predict retirement intentions too. The relationship between the quality of work and retirement intentions is not moderated by personality traits
Parental awareness of rotavirus infection.
No full textIn order to effectively prevent any disease, it is necessary to apply preventive measures in the most vulnerable group of this disease. In the case of rotavirus, it is children. Since parents (guardians) take care of children, their awareness is very important, because only they can ensure the timely vaccination of their children and train them in personal hygiene rules. Rotavirus infection is an urgent public health problem due to the high morbidity in children. In 2022, 93 percent (1462 cases) RVI (rotavirus infection) was recorded among children (0-17 years). In 2018, vaccines against this infection were included in the preventive vaccination calendar for children in Lithuania. Therefore, when applying this RVI prevention measure, it is so important to analyze not only parents' awareness of this disease, but also to evaluate their attitude towards vaccines. Nurses have a significant impact on the prevention of rotavirus infection, as they spend the most time with patients and relatives, to whom they must provide reliable information about the management of the disease and explain the importance of preventive measures. The aim of this study is to analyze parents' awareness of rotavirus infection. Appropriate research methods were chosen during the research: analysis of scientific literature and quantitative research using an anonymous questionnaire (online survey). The research was conducted in accordance with ethical principles. The results revealed that parents lack information about RVI. Only half knew that the main way of spreading the disease is fecal-oral. According to the research data, the majority of parents received information from a reliable source - doctors, and a quarter from nurses. However, the second most frequently cited source is the Internet, which may have provided respondents with false information about the disease and its prevention. Also, according to the research, parents lack knowledge about the formation of children's hygiene skills: the majority of respondents say that education on this issue is necessary. According to scientific literature, the most effective preventive measure against infection is vaccinations, but slightly less than half of the respondents agree that vaccinations are necessary, and a quarter disagree. In addition, when comparing parents' opinions on this issue by education, a significant difference was observed
The Evaluation of the Phytoremediation Potential of the Energy Crops in Acid Soil by Sewage Sludge Fertilization /
No full textPhytoremediation is a green technique being increasingly used worldwide for various purposes, including sewage sludge contaminated by heavy metals. Most plants proposed for this technique have high nutrient demands, and fertilization is often required to maintain soil fertility and nutrient balance. In this context, sewage sludge could be a valuable source of nutrients (especially N and P) and water for plant growth. The main aim of this study was to assess the phytoremediation potential of selected energy plants, aspects of its increase, as well as contamination risks. Three treatments were used: unfertilized soil and the application of 45 and 90 t ha−1 of sewage sludge. The experiment was performed in common osier and cup plant growing sites. Cr, Ni, Pb, Cu, and Zn contents in the soil tended to rise steadily when the amount of sewage sludge increased from 45 to 90 t ha−1. Heavy metal concentrations in the soil were ranked as follows: Zn > Cr > Ni > Pb > Cu. Cr and Pb concentrations increased by 22.5% and 37.4% in 2020, respectively, compared to those in 2017, whereas Cu concentrations declined by 44.4%. Cu and Ni were significantly reduced by common osier while Pb and Zn were reduced by cup plant. A moderate potential ecological risk due to Cr, Ni, Cu, Pb, and Zn was observed in soils. The data can be used to estimate the suitability of the soil treated by sewage sludge for added value development in line with circular economy principles
Social cooperative model choices in the socially unsustainable environment: evidence from Lithuania /
No full textThis research analyses the establishment and development of social cooperatives exposed to adverse factors in socially unsustainable contexts. The study focuses on a Lithuanian case study, with participants having limited experience creating a socially resilient enterprise ecosystem. The study employed a qualitative approach using case study and comparative analysis methods. The study found that Lithuania’s opportunities to leverage the benefits of social cooperatives are held back by a weak cooperative movement, a socially unsustainable environment, and limited understanding among professionals. The involvement of public policy actors in debates on legalising social business models is also limited. The study participants had mixed opinions about the social cooperative model for business development. Some favoured its cooperative principles and profit-sharing advantages, while others preferred non-profit organisations or smaller communities. The study also found a contradiction in the concepts of social business. The researchers suggest that the conditions for establishing social cooperatives could be more favourable in Lithuania, but social business founders require help understanding cooperative companies’ organisation and finances, for which the current public and private resources available are insufficient. Lithuania’s current policy of support and regulation for social business prioritises several social business models, which complicates the decision-making process for prospective social cooperative founders
Social interaction experiences of beginning university teachers in building occupation-relevant competencies /
No full textThe article presents findings of a qualitative study focused on analysis of social interaction experiences of beginning teachers in higher education, whereby social interaction is construed as a dialogue, conversation, socio-cognitive conflict, and intersubjective solutions thereof, which influence the process of formation of new competencies.The aim of research is to show the prevailing experiences of beginning university teachers in building competencies within the context of social interaction - socio-cognitive conflict - situations. The research is based on the interactional ethnography approach. The research participants were newly hired teachers of different universities in Lithuania. The research shows that the degree of asymmetry in social relations is subject to differences in the status, experience, competencies, or age of the agents. In the context of intensity of socio-cognitive interaction, where it involves a small number or single-direction exchanges of views and opinions, socio-cognitive conflict will not necessarily be progressive in building new competencies. As regards the features of social and affective interaction, the situation of convenience - confrontation is the most favorable for the acquisition and formation of cognitive structures - competencies. Social and cognitive abilities of participants in a socio-cognitive conflict, as prerequisites for cognition, are essential for the acquisition of new structures - competencies.
Žaliosios rinkodaros vaidmuo formuojant tvarų konkurencinį pranašumą.
No full textDue to growing environmental concerns, green marketing has become increasingly important in meeting consumer demand and improving a brand’s image and reputation. Green marketing follows the same principles as traditional marketing, but focuses on using eco-friendly materials, production methods, packaging, pricing, distribution channels, and promotion. By incorporating green marketing into a branding strategy, companies can benefit by creating a solid brand image and strengthening their position in a highly competitive market. This paper is based on a review of literature, and aims to summarise and classify extant research on green marketing. The paper reviews green marketing as a new way of creating a sustainable competitive advantage. The literature review establishes the difference between traditional competitive advantage and sustainable competitive advantage. Finally, it introduces a conceptual framework for the development of sustainable competitive advantage, including relationship marketing, green marketing, and the components of traditional competitive advantage.
