bluuebunny/crossref_metadata_2025 huggingface dataset:
Islamic Religious Education Model with Environmental Insight at SMA N 2 Demak
Authors: Faisol Muhammad Aris , Syukur Fatah , Raharjo Raharjo
Published: November 2022

Environmental problems are still the subject of discussion today because the state of the environment over time continues to decline, both in terms of quality and quantity in supporting human life. This research is a type of field research. The approach in this study uses a phenomenological approach. The data sources for this research are person, place, and paper. Data collection techniques using interviews, observation, and documentation. While the data analysis technique used data reduction, data display, and conclusion drawing. The results showed that the Islamic religious education model with an environmental perspective at SMA N 2 Demak uses the 2013 curriculum which is integrated with environmental education. In integrating into Islamic religious education subjects, more emphasis is placed on aspects of the Qur'an, hadith, and fiqh.
Actor Interventions in Influencing Education Policy Formulation: A Case Study on Integrated Curriculum Formulation
Authors: Hafni Nur , Aiyub Aiyub , Mardhiah Ainol , Muryali Muryali , Fauzi Fauzi
Published: November 2022

This study analyzes the education policy process formulated by the actors. The specific purpose of this research seeks to reveal and analyze how the official actors (state actors) and informal actors (non-state actors). The research method used is a qualitative method with a study case approach. The results show that the problem of intervention by formal actors is still very serious to persuade integrated curriculum, it affects the synergy of collaboration between formal and informal actors, so that the integrated curriculum programs are formulated give rise to different interpretations and meanings between implementing agencies. A policy of providing education does not reflect the privileges of Acehnese education. The research findings indicate that there is no derivative policy that regulates the formulation of an Islamic values-based curriculum in more detail. Actor analysis and typology of political strategy, namely positional strategy; power; player; and perception strategies, are used in this research. In addition, this research is expected to overcome the ignorance of various parties regarding the process behind the formation of a policy and the implications of the unrealized implementation of Islamic values-based Aceh education.
The Effect of Principal Leadership and Work Discipline on Teacher Performance at SMP Daruttaqwa Gresik
Authors: Rosmawati Rosmawati , Sahir Syafrida Hafni , Minan Kersna , Susilawati Made
Published: November 2022

This article describes (1) the influence of a principal's leadership on teacher performance. (2) the effect of work discipline on teacher performance. (3) the simultaneous influence of the principal's leadership and work discipline on teachers' performance at SMP Daruttaqwa Gresik. The research method used is quantitative research. This study is a population study with 59 people—consisting of 1 principal, 12 teachers, 1 Administration (TU), and 46 students. The research instrument is a questionnaire. The results of this study are (1) there is an influence between the principal's leadership on teacher performance at SMP Daruttaqwa Gresik with t count 2,580 > t table 2.00 and has an effect of 10.5%. (2) there is an influence between work discipline on teacher performance at SMP Daruttaqwa Gresik with t count 7.924 > t table 2.00 and has an effect of 52.4%. (3) there is a simultaneous effect with F arithmetic 31.019 > F table 3.16. Simultaneously both of them also have an effect of 52.6% on teacher performance at SMP Daruttaqwa Gresik and have a correlation coefficient of 0.725, which is the quality of a strong relationship.
Islamic Education Based on The Nature of Personality and The Potential of The Human Soul
Authors: Mulyadi Mulyadi
Published: November 2022

This article aims to examine philosophically, the values of Islamic education through the potential for self-reliance and the potential of the human soul. This is based on the view that the ideal concept in the field of education must be based on the potential of self and the potential of the human soul. This is because the basic purpose and objective of education is to form a complete (integral) human personality in accordance with human nature in developing the potential of the soul towards the level of piety to the Creator (Allah swt.). The findings of this article show that Western education is too focused on the sensory dimension and the study of material objects, thus neglecting other dimensions such as emotionality and spirituality. So we need an alternative concept of Islamic education that is able to meet the various dimensions of the soul starting from the senses, imagination, emotions, and spirituality. Human nature-based education is able to meet the essential needs of education because it considers all aspects of human personality and personality as biological beings as well as spiritual beings. Soul potential-based education can be an ideal education system because it pays attention to the education of the heart, mind, spirit and soul as a unity as well as the plurality of human personality. All potentials that are considered by Islamic education are integral to the purpose of humans being sent to the face of the earth, namely to become khalifatullah. The function is to provide peace for all creatures in the universe.
Al-Ittihadiyah's Gait In The Field of Education in North Sumatra (Study of The History of Islamic Education)
Authors: Khairuddin Khairuddin
Published: November 2022

Al-Ittihadiyah is one of the oldest Islamic mass organizations (Ormas) in Indonesia, especially North Sumatra. Since its establishment on January 27, 1935, Al-Ittihadiyah has established its role as an Islamic organization engaged in education, da'wah, and social activities. This study attempts to analyze the progress of Al-Ittihadiyah in the field of education in North Sumatra. The focus of this study discusses these objectives from the historical aspect of Islamic education. This type of research uses a qualitative approach with a literature study method. Sources of data and study materials are obtained from relevant and credible scientific literature, based on research (scientific articles). The results of this study indicate that Al-Ittihadiyah's role in education in North Sumatra (formerly part of East Sumatra) is very large. This is indicated by (1) the initial policy of the establishment of Al-Ittihadiyah which was based on unifying efforts between the ulama and scholars in North Sumatra; (2) Al-Ittihadiyah education council which focuses on the establishment of Islamic (educational) colleges under the auspices of Al-Ittihadiyah (starting from Kindergarten level to High School level/equivalent); and (3) Establishing higher education institutions.
Analysis Strategy Blended Learning of Prospective Islamic Teacher After Covid 19 Pandemic
Authors: Ritonga Supardi , Zuhri Zuhri , Muis Muhammad Aufa , Rahmatillah Nur , Istiqomah Euis Nur , Zakiah Nina
Published: November 2022

Students as prospective Islamic teachers are required to be able to create learning strategies that arouse student motivation, such as blended learning strategies. The purpose of this study was to analyze the effect of the blended learning method on the motivation of prospective Islamic teachers. and the use of e-learning media on the motivation of prospective Islamic teacher students. The population in this study were students of the Islamic religious education study program at STAIN Bengkalis. This type of research is quantitative. The sampling technique used was purposive sampling, the requirements for the sampling of this research were students who took part in the PAI learning strategy lectures in 2021. The number of samples used was 77 students. The questionnaire was used as a data collection technique for this research. Hypothesis testing utilizes the T test and the determinant coefficient R2. The results of this study obtained a tcount of 3.66, which is greater than t¬table of 3.202 with a confidence level of 99%. It can be concluded that blended learning-based learning has a significant effect on the learning motivation of prospective Islamic religious teachers at STAIN Bengkalis. Through the test results of the R2 determinant coefficient of 0.58, it can be concluded that the blended learning strategy can affect students' learning motivation by 58%. This is because students' interest in blended learning strategies triggers students' curiosity to explore Islamic religious education learning strategies.
The Principal's Leadership Style and the Teacher Performance
Authors: Sutarjo Sutarjo , Kristiawan Muhammad , Sasongko Rambat Nur
Published: November 2022

The principal's leadership style as a leader will impact the effectiveness of enhancing teacher performance under his guidance. The goal of this study was to collect information on (1) the principal's leadership style, (2) the execution of the  principal's leadership style, and (3) the restrictions that the principal faces in enhancing teacher performance in schools. Data collecting approaches were carried out using a qualitative approach with descriptive methodologies, including interviews, observations, and documentation. This study demonstrates that (1) the principal employs a situational leadership style in influencing his subordinates by viewing and comprehending each of his subordinates' backgrounds while creating policies. (2) Use of the principal's leadership style to influence teacher performance, namely instructional, consultative, participative, and delegative leadership. (3) The difficulties that school principals encounter include the limited competence of instructors to use "computer" technology, the lack of flexibility in the selection of learning techniques used by the teacher, and the diverse backgrounds of the subordinates.
Pengaruh Kompetensi Pedagogik Guru dan Kecerdasan Spiritual Terhadap Minat Menghafal Al-Qur’an Santri
Authors: Sastradiharja EE Junaedi , Firman Firman
Published: November 2022

Penelitian ini bertujuan untuk mengetahui pengaruh kompetensi pedagogik guru dan kecerdasan spiritual terhadap minat menghafal Al-Qur’an santri, baik secara parsial/sendiri-sendiri maupun secara simultan/bersama-sama. Penelitian ini menggunakan metode survei dengan alat pengumpul data menggunakan angket. Analisis data menggunakan analisis deskriptif untuk melihat sebaran data penelitian, dan tingkat perkembangan variabel penelitian. Untuk uji prasyarat analisis statistik, yaitu uji linearitas persamaan regresi menggunakan uji F, uji normalitas distribusi galat taksiran menggunakan uji Z dan uji homogenitas varian menggunakan uji heteroskedastisitas. Sedangkan uji hipotesis penelitian ke-1 dan 2 menggunakan uji t (parsial) dan untuk hipotesis ke-3 menggunakan uji F (simultan) dalam analisis regresi linier berganda. Sampel pada penelitian ini adalah santri Pondok Pesantren Ar-Raudhah Cilincing Jakarta Utara, sejumlah 77 santri. Hasil penelitian menunjukan bahwa terdapat pengaruh positif dan signifikan kompetensi pedagogik guru dan kecerdasan spiritual terhadap minat menghafal Al-Qur’an santri di Pondok Pesantren Ar Raudhah Cilincing Jakarta Utara baik secara sendiri-sendiri maupun secara simultan
The Objectives of Islamic Education In The Perspective of The Tabligh Congregation In Indonesia
Authors: Irpan Irpan
Published: November 2022

Jama'ah Tabligh is a da'wah movement that seeks to invite Muslims to return to the pure practice of Islam, with the main goal of awakening the spiritual soul in every Muslim, both personally and in social life. The Da'wah of the Jama'ah Tabligh has entered all lines, including educational institutions, therefore this article aims to explore the concept of Islamic education in the Jama'ah Tabligh group?. For this reason, the author has conducted field research with data collection techniques of participant observation, qualitative interviews, and documentation. The results of this study were found: the purpose of Islamic education in the Jama'ah Tabligh is to make a person more pious to Allah SWT, and the indicator of piety is being close to the mosque and carrying out the sunnahs of the Prophet Muhammad, and to achieve this goal one must go through the process of khuruj fii sabiilillah, and in these khuruj activities there are several programs, namely: bayan, muzakarah, deliberation, ta'lim, and jaulah. The educational goals of the Jama'ah Tabligh are in line with the national education goals of the Republic of Indonesia, Pancasila and the 1945 Constitution, and the concept of Islamic education of the Jama'ah Tabligh is in accordance with the four indicators of religious moderation issued by the Ministry of Religion of the Republic of Indonesia. and to achieve this goal, one must go through the khuruj fii sabiilillah process, and in the khuruj activities there are several programs, namely: bayan, muzakarah, deliberation, ta'lim, and jaulah. The educational goals of the Jama'ah Tabligh are in line with the national education goals of the Republic of Indonesia, Pancasila and the 1945 Constitution, and the concept of Islamic education of the Jama'ah Tabligh Jamaat is in accordance with the four indicators of religious moderation issued by the Ministry of Religion of the Republic of Indonesia. and to achieve this goal, one must go through the khuruj fii sabiilillah process, and in the khuruj activities there are several programs, namely: bayan, muzakarah, deliberation, ta'lim, and jaulah. The educational goals of the Jama'ah Tabligh is in accordance with the four indicators of religious moderation issued by the Ministry of Religion of the Republic of Indonesia.
Comparative Analysis of The Application of Leadership Style in Pondok Pesantren, Madrasah, and Schools
Authors: Ismail Ismail , Sukoco Sugeng , Mesiono Mesiono , Herianto Herianto
Published: November 2022

This study aims to analyze the differences (comparations) in the application of leadership styles in Islamic boarding schools, madrasas, and schools. The background of this research includes a multi-site study, namely at the Musthafawiyah Islamic Boarding School, MAN 1 Sibolga, and SMPN 1 Sibolga. This type of research uses a qualitative approach with a comparative study method. Where, the researcher attempts to describe the problem of events through respondents or other data sources related to the leadership style at Pesantren Musthafawiyah (Mandailing Natal), MAN 1 Sibolga, and SMPN 1 Sibolga, then a comparison of leadership styles at the three educational institutions is made. The results of this study indicate that the application of the leadership style of Islamic boarding schools is different from the leadership style in madrasas and schools. This is because the leadership style of pesantren tends to be laissez faire and authoritarian based on the charismatic kyai (Islamic boarding school leader). While in schools and madrasas apply a democratic leadership style.
PANDEMIC-INDUCED CRISES IN TOURISM AND HOSPITALITY – AN INDIAN CONTEXT
Authors:   CHRIST - Deemed to be University, School of Business and Management, Bengaluru, Karnataka, India, VARGHESE Bindi , MISHRA Jitendra Mohan ,   Indira Gandhi National Tribal University, Department of Tourism Management, Amarkantak, Madhya Pradesh, India, BABOO Smitha ,   CHRIST - Deemed to be University, School of Business and Management, Bengaluru, Karnataka, India
Published: November 2022

This paper aims to examine the pandemic-induced crises psychological and physical distress experienced by the employees during the Covid19 pandemic and the implications on job loss and job characteristics from all domains of the hospitality industry in India. The study is designed to explore the pandemic-induced tourism crisis along with emotional, mental, and physical effects. An in-depth qualitative exploration was used and a tool comprising of data sets include representatives from aviation, resorts and hotel segments, tour operators, and travel agents. The researchers used a semi-structured questionnaire that had two sections and explored industry concerns, HR strategies, and employee distress through a multi-stage process involving coding and content analysis. The study analyzed the pandemic-induced crises at the micro and macro levels and grouped them under three essential dimensions such as; organizational and industry concerns, organizational HR policies, and employees’ psychological distress. The subthemes under these dimensions can contribute to scale validation. The subthemes grouped under the three major dimensions have come out as a theoretical model of how the pandemic has affected professionals at these three levels. The findings as items can be validated through descriptive research in quantitative terms forming the future scope. The study analyzed the perceptions of professionals in the tourism and hospitality business amid the pandemic and concludes that a proactive HR policy can minimize employees’ psychological distress.
EXAMINATION OF HOLIDAY HABITS IN HUNGARY, WITH SPECIAL REGARD TO RURAL TOURISM
Authors:   Széchenyi István University, Faculty of Business, Department of Tourism and Hospitality, Győr, Hungary, DARABOS Ferenc , KŐMÍVES Csaba ,   Széchenyi István University, Faculty of Business, Department of Tourism and Hospitality, Győr, Hungary, MOLNAR Elisabeta Ilona ,   Partium Christian University, Faculty of Economics and Social Science, Department of Economics, Oradea, Romania
Published: November 2022

The paper aims to examine the demand for rural tourism, targeting the design of offers following the period of the pandemic. The topic of the present study, is the examination of the holiday habits of the Hungarian population focusing on rural tourism. Following the theoretical background regarding rural tourism, rural tourism destination and tourism motivation, the primary research investigates the holiday habits of various age groups and the differences between these, the frequency of traveling and planned overstays, and the optional programs as recreational and gastronomic activities, their willingness to spend for the offers that form an integral part of the rural tourism. The survey method was chosen and the respondents were assigned via a random sample. The collected data was processed via IBM SPSS 25 program, in which unary and binary operations, correlation analysis was done. The study highlights that there is a high demand for rural tourism in the countryside in the post-pandemic period, is a general need for recreation irrespective of age, educational background, or residence. The respondents would participate in a genuine rural program irrespective of age, educational background, or residence. It was also proven that there is a significant difference between the travelling frequency of the various groups, according to which, the middle-aged respondents travel most frequently to the countryside, followed by the seniors and the youth.
Методы совершенствования разводимых пород скота на Северном Кавказе
Authors: Кагермазов Црай Бесланович , Тарчоков Тимур Тазретович
Published: November 2022

В решении интенсификации животноводства и дальнейшего устойчивого повышения продуктивности пород крупного рогатого скота (КРС) важное место занимает научно обоснованное совершенствование племенных и продуктивных качеств скота, наиболее распространенных на Северном Кавказе. Накопленный материал по скрещиванию красной степной, чёрно-пёстрой и швицкой пород с англерской, черно-пестрой и красно-пёстрой голштинской, американской бурой породами наряду с положительным эффектом выявил некоторые недостатки, которые не нашли отражение в программах по селекции молочного скота. Показана результативность использования генофонда улучшающих пород при совершенствовании продуктивных и племенных качеств красной степной, чёрно-пёстрой и швицкой пород. В условиях эксперимента на хозяйственных рационах изучены признаки мясной и молочной продуктивности у чистопородных животных, а также их помесей, проведены количественные и качественные исследования молока и мяса от животных опытных и контрольных групп. Выявлены продуктивные возможности разводимых в Кабардино-Балкарской Республике пород КРС.
Pre-service teachers’ perceptions of data protection in primary education
Authors: Torres-Hernández Norma , Gallego-Arrufat María-Jesús
Published: November 2022

The protection of personal data and privacy are important issues closely related to use of social media, information and communication technologies, and the Internet in the area of education. The treatment of academic information and use of tools and programs for instruction, communication, and learning have revealed the handling of a significant volume of personal data from different sources. It is essential to protect this information from possible privacy violations. This descriptive study, which is of transversal nonexperimental design, focuses on how 384 pre-service teachers’ enrolled in educational technology courses in their education programs view the protection of personal data. The goals are to describe and analyze how these teachers perceive the risks associated with protection of data on the Internet and what they know about protection of data in primary education. We administered a questionnaire within the framework of an educational activity that focused on digital competence in data protection in education. The results show a high perception of risk in topics such as accepting cookies when surfing the Internet or transferring banking information. The knowledge the students claim to have shown a lack of information on the protection of minors’ data in issues related to the development and schooling of primary school students, as well as their health, background, and family environment. Curricular treatment of these areas that includes content, practices on regulations, and adopts a situated, critical, and responsible approach in pre-service teacher education is recommended.
Disgusting for being HIV infected: Case study on HIV knowledge, sexual risk behaviors, and attitudes among MSM overseas Filipino workers in UAE
Authors: Villaseñor Ferdinand II Bangiban , Bidad Wilfred D.
Published: November 2022

HIV has been prevailing in many societies as a health threat and numerous men are affected of this global health crisis. This study aimed to explore the knowledge, attitude, and sexual risk behaviors of overseas Filipino workers (OFW) men having sex with men (MSM) about HIV. Through a qualitative using case study research design, in-depth key informant interviews (KIIs) were done to secure primary data collection and better understand the informants’ experiences and perceptions about HIV. The informants of the study involved 10 OFWs who worked in Dubai, UAE. Based on thematic data analysis, findings highlighted that the informants were knowledgeable of HIV transmission, symptoms, and prevention and treatment. They avoid drug use and practice safe sex especially through condom use to avoid HIV infection. However, they admitted to sexual risk behaviors. Consequently, the MSM pointed out the stigma, insecurity, and hopelessness of people dealing and living with HIV disease and enjoin people to give them fair treatment and acceptance in society. This study recommends expanding HIV awareness campaign programs to lessen the HIV disease and discrimination against people with HIV through promoting in social media and other relevant platforms and health support services.
Perspectives, challenges and directions for future research into the water-energy-food (WEF) nexus
Authors: Susnik Janez , Staddon Chad
Published: November 2022

In 2018, Albrecht et al. published a review of water-energy-food (WEF) nexus literature, coming to five main criticisms in nexus research. The five central conclusions of that review together with a consideration of on-going projects and recent nexus research insights form the basis for this critical review. The current state of nexus research, and in particular modelling research, is examined and updated to reflect recent advances and correct misperceptions, and put them in the context of larger epistemological issues. The main conclusions are:
1) The considerable and growing diversity in nexus studies precludes a one-size-fits-all approach. Indeed, it has never been an objective to develop a ‘grand unified nexus theory or model’;
2) A lack of ‘fundamental equations’ between many nexus parameters hinders full quantification of nexus linkages, though data-driven, stochastic and agent-based approaches offer avenues for development;
3) The use of qualitative and social science methods in nexus studies is rapidly gaining traction, especially when blended with quantitative modelling outcomes;
4) Progress has been made in attempting to break disciplinary siloes, especially when considering integrated assessment models and system dynamics models.
Revıew of Flood Dısaster Risk Management ın sıx West Afrıcan Megacıtıes
Authors: Olanrewaju C , Reddy M
Published: November 2022

In developing countries, the factors affecting vulnerability and exposure to floods are growing rapidly as urbanization puts more people and assets at risk. Particularly susceptible, is the fast growing informal settlements in central cities and peri-urban locations. Six noteworthy West African megacities: Accra, Cotonou, Dakar, Freetown, Lagos, and Monrovia located in low elevation coastal zones are at constant risk from sea level rise or flooding. These cities exhibit similar characteristics of urbanization and flood management gaps. These include incompetently maintained infrastructures, low quality shelters, low resilience of urban poor, poor garbage disposal, social issues and poor planning and maintenance policies. It is of high priority to give urgency to the need for Flood Risk Management (FRM) in urban settlements on the political and policy agenda. Several management strategies have been developed. However, implementation and sustainability remains the major setback in the success of sustainable FRM in these megacities.
Support Structure Suitability for Offshore Wind Farms Development in Greece based on a Sustainable Site-Selection Framework
Authors: Spyridonidou Sofia , Vagiona Dimitra
Published: November 2022

Site-selection and spatial planning form a crucial step toward the successful development of Offshore Wind Farms (OWFs). Deployment of wind turbines in different water depths has raised the issue of selection of the most suitable support structures. In this work, a well-structured site-selection framework is proposed for the appropriate OWF development in Greece. The methodology includes two successive phases: (Phs.1: Siting Phase) the identification of suitable sites for OWF installation using Geographic Information Systems (GIS) based on sixteen exclusion criteria (e.g., water depth and wind power density); and (Phs.2: Support Structure Suitability Phase) the determination of most appropriate and commercially available support structure(s) for each suitable site. The proposed exclusion limits are retrieved from the authors’ systematic review in offshore wind energy research and based on the maximization of environmental sustainability, and the technical and economic viability of OWFs. Twenty sustainable site solutions of either fixed (e.g., jacket) or floating (e.g., Hywind) support structures are proposed. The suggested methodology could support policy makers towards the global and national proper development of such wind energy projects.
The limitation of the methane (CH4) emission in the Upper Silesian Coal Basin as a result of the Polish Mining Group closing program.
Authors: Dreger Marcin
Published: November 2022

Hard coal mining is responsible for 9% of the worldwide methane emission to the atmosphere. Methane is the second strongest greenhouse gas after carbon dioxide, but its radiative power is 25-30 times stronger than the radiative power of CO2 .In the Polish reality, hard coal mining is one of the most important branch of economy due to big amounts of deposited coal in numerous coal seams which is being produced by many coal companies. The biggest active coal basin in the European Union – the Upper Silesia Coal Basin is responsible for 3% in the total greenhouse gases emission and 28% in the total CH4 emission in Poland. The Polish Mining Group (PMG) – the biggest extraction company in the EU announced that all active coal mines incorporated in the Group will be closed until 2049. Hard coal extraction has been decreasing in Poland since 1997 and the amount of released methane from coal mines direct to the atmosphere exceeded 735 million m3 in 2015 and remains high till now. The purpose of the study is to predict the results of PMG closuring program on methane emission changes in the Upper Silesian Coal Basin until 2049.
IMPROVING INNOVATION CAPACITIES OF PRIVATE AND PUBLIC ACTORS FOR SUSTAINABLE AND PROFITABLE RECYCLING OF LIVESTOCK WASTE
Authors: Antoniou Maria , Kallikazarou Nomiki , Koutsokeras Loukas , Constantinides Georgios , Constantinide Emorfia
Published: November 2022

The Mediterranean region is known for its intensive livestock farming, especially for the breeding of pigs and cattle. These activities result in vast amounts of waste that necessitate proper treatment. Inadequate manure treatment can cause eutrophication of surface waters, enrichment of nitrates and pathogens into groundwater, detection of excess nutrients and heavy metals in soil, and increase GHGs emissions. RE-LIVE WASTE is an Interreg MED project (2/2018-4/2021) that focused on testing innovative solutions for livestock waste management in Cyprus, Italy, Spain, and the Federation of Bosnia and Herzegovina. The proposed route to address the environmental and financial problems associated with livestock waste was through nutrient recovery and the precipitation of an organo-metallic fertilizer known as struvite. Each participating region constructed and operated a struvite precipitation plant that transformed anaerobically treated and untreated livestock waste from cattle, pig, and mixed waste into struvite. Different treatment trains were followed in each demonstrative pilot to record the effects of treatment and source of waste on the final product. In Cyprus struvite was produced by a mixed effluent that was anaerobically digested and filtered with filter bags and UF ceramic membranes. The struvite produced had a purity between 90-99% based on the applied conditions.
Mitigation of Microcystis sp. with metallic peroxide granules: matrix effect on hydrogen peroxide release kinetics and toxicity study on invertebrates
Authors: Antoniou Maria , Keliri Eleni , Christofi Manolis , Efstathiou Nektarios
Published: November 2022

An array of mitigation strategies has been applied over the years for toxic blue-green algae with the most recent one to be hydrogen peroxide (H2O2). Hydrogen peroxide has been widely used as an alternative to copper algaecides, and it is perceived as a more environmentally friendly option for treating surface waters. However, dense blooms demand high oxidant causing undesirable effects to the non-targeted organisms in the aquatic ecosystem. Slow releasing H2O2 metallic granules have been used in this study as an alternative approach to direct application of high-doses liquid H2O2 application. In this study, calcium peroxide (CaO2) granules were applied in surface water matrix (Kouris Dam, Cyprus) to examine: (a) their H2O2 releasing properties with varying pH values, (b) their mitigation efficiency on Microcystis sp. bloom in comparison with liquid H2O2, and (c) their toxicity on Gammarus sp. in a range of concentrations. Results showed that in acidified environments granules have higher H2O2 releasing capacity. Moreover, treatment of Microcystis sp. with 0.5 – 2.0 g/L CaO2 were efficient to eliminate the blooms and safe on zooplankton species. All of the above, are indicative towards the potential of CaO2 treatment, however its application necessitates further investigation prior taking it to the field.
Coupling Pb and Zn bioaccessibility with sequential and HNO3 extraction in soil from the industrial area of Volos, Greece
Authors: Kelepertzis Efstratios , Botsou Fotini , Sungur Ali , Sigala Evangelia , Daferera Ourania , Kypritidou Zacharenia , CHRASTNÝ Vlada , Argyraki Ariadne , Komarek Michael , Skordas Konstantinos
Published: November 2022

The urban environment is a complicated system where various anthropogenic sources contribute to the accumulation of metals in soil, leading to potential negative environmental effects. Within this context, we performed single and sequential extractions in contaminated soil from the industrial area of Volos. The objective was to understand how Pb and Zn oral bioaccessibility was related to different pools in soil based on sequential and 0.43 M HNO3 extractions. Pb was principally found in the reducible fraction (F2;15-76%), followed by the residual (F4; 9-54%) and the oxidizable (F3; 6-54%), whereas the acid soluble fraction was of minor importance (F1; 2-15%). Zn fractionation was dominated by the residual fraction (20-73%), followed by the oxidizable (10-49%) and the reducible (5-38%). Significant correlations were found between Pb and Zn bioaccessibility and the sum of fractions F1, F2 and F3 (0.50 for Pb and 0.86 for Zn, p<0.01), indicating that the applied bioaccessibility solution preferentially targeted the mobile fraction of Pb and Zn in soil. HNO3-extractable Pb and Zn were highly correlated to bioaccessible Pb and Zn (0.80 and 0.93 respectively, p<0.01), suggesting that the HNO3 can determine the oral bioaccessibility of Pb and Zn in urban soil influenced by industrial activities.
Characterization and toxicity assessment of industrial microplastics made of Bakelite
Authors: Kalčikova Gabriela , Skalar Tina , Rozman Ula
Published: November 2022

Microplastic research has focused mainly on particles made of polymers from ordinary consumer plastic products while industrial plastics has been largely overlooked. However, industrial plastics as Bakelite can be of a great importance due to their extensive use and unknown impact on the environment. Hence the aim of the study was to characterize Bakelite microplastics and to evaluate their toxicity in term of particles and its leachate. According to laser diffraction analysis, the mean number particles size distribution was 7.64 ± 3.48 µm with 1.5·106 particles/mg. The specific surface area was 249 cm2/g indicating low porosity. Bakelite microplastics were introduced into freshwater medium and the toxicity was evaluated. They did not affect specific growth rate and chlorophyll content, but significantly affected the root growth of duckweed. Further investigation showed that Bakelite microplastics do not cause mechanical effect on roots, but the leached chemicals were responsible for increased toxicity.
Evaluation of Satellite-based Rainfall Estimates for the Upper Blue Nile Basin
Authors: Gado T. , Zamzam D. , Zeidan B.
Published: November 2022

Water resources planning and management are generally based on precipitation data. In the Nile Basin, conventional rain gauges are normally sparse, and hence, satellite-based rainfall estimates have become vital for hydrometeorological studies in the basin. However, estimates from satellite rainfall products are prone to bias and need to be validated in this region. In this study, four widely used high-resolution products (TRMM-3B42-RT, PERSIANN-CCS, GSMAP, and CHIRPS-V2) were evaluated against monthly ground observations from 44 stations over the Upper Blue Nile Basin during the period (2003-2013). The evaluation process is based on several standard statistical criteria to assess the ability of both satellite products and bias correction methods to capture the rainfall characteristics of this area. The results show that rainfall estimates from CHIRPS have a more reliable agreement with ground measurements than other products, especially in the wet season. The findings demonstrate the importance of assessing and correcting the outputs of different satellite rainfall products to be used for various hydrological applications in the Nile Basin.
A comparative evaluation of urban metabolism methodologies
Authors: Voukkali Irene , ZORPAS ANTONIS
Published: November 2022

Globally, urban metabolism analysis has become a significant tool for the study of urban ecosystems. Urban metabolism as a concept represents an integrated platform for analyzing the urban dynamics and supporting the planning processes in cities as social-ecological systems within the concept of sustainability. Moreover, urban metabolism provides relevant information for cities in terms of energy efficiency, material flows, and waste management. Since the first study of urban metabolism by Wolman in 1965 until today the scientific committee developed and improved different methodologies and indicators for the urban metabolism analysis. This study focuses on the comparison of the three main methods that have been widely used for the study of urban metabolism which are emergy analysis, material flow analysis and ecological footprint analysis. Each one of the methodologies is based on specific principles and indicators, presenting different strengths and weaknesses. As a general conclusion, urban metabolism methodologies are facing problems related to data scarcity at the city level, the fluid nature of urban metabolisms, the lack of standardization, difficulty in tracking informal or decentralized systems, the lack of data accuracy, difficulty in understanding specific concepts.
Municipal solid waste management in island communities: existing experience and implementation possibilities for South Aegean Islands
Authors: Papapostolou Christiana , Xanthopoulos Petros , Kondili Emilia , Stylianopoulou Konstantina
Published: November 2022

Solid waste management in island communities is triggered by the limitation in the availability of resources, which in combination to the small amounts of wastes produced, renders the selection and sizing of the appropriate methods and infrastructures very challenging. Certain complexity to the decision-making adds also the lack of advanced infrastructures which in most islands are only limited to sanitary landfills and the time-varying MSW production load following the related touristic infusion. The current national policy foresees the creation of local facilities with emphasis in the recovery and recycling of materials, but still the technology selection and the model of MSW locally applied needs further exploration. In view of that, the aim of this paper is firstly to review the technologies and models used in MSW management in isolated island areas around the world and secondly to acknowledge any possible technology and know-how transfer that could be used in the case of Greek island regions. The paper concludes with a community-based solution suggestion: a set of MSW facilities for a group of islands, allowing to operate on a synergetic and economically viable basis, even during the winter period that the waste faction is very limited.
Catalytic Enhancement of Ozone-Based Processes for Removal of Selected Antibiotics from Wastewaters
Authors: Žgajnar Gotvajn Andreja , Derco Jan , Antončič Teja , Vrabel Martin
Published: November 2022

The aim of our work was to use advanced oxidation processes based on formation of reactive hydroxyl radicals (OH·) due to ozonation and its combination with H2O2, Fe2+ as catalyst and UV light for removal of Amoxicillin and Levofloxacin from model wastewaters at different pHs. Removal efficiencies were monitored by TOC (Total Organic Carbon) and COD (Chemical Oxygen Demand) measurements. Kinetics of oxidation was determined based on two-stage consecutive reaction presuming pseudo first order kinetics. Amoxicillin degraded during ozontion up to 33%. The most efficient was combination of O3/Fe2+/H2O2/UV (76%). In the case of Levofloxacin removal efficiencies for were up to 83% 8. Addition of H2O2 did not improve treatment efficiency, Kinetics of degradation confirmed rapid first degradation stages of both antibiotics, while the by-products degradation was slower. Investigated procedures exhibited potential for efficient removal of antibiotics from wastewaters.
Cross-border trade: certification schemes for recycling derived organic fertiliser (RDF)
Authors: Bur Anna , Laub Katharina , Weiler Katja , Wern Bernhard
Published: November 2022

The project ReNu2Farm (Nutrient Recycling – from pilot production to farms and fields, funded by the EU Interreg North-West Europe Program) focuses on closing nutrient cycles to substitute mineral fertiliser and to contribute to a sustainable agriculture by supporting demand-oriented application of recycling derived nutrients.
The implementation of EU Fertiliser Product Regulation (EU 2019/1009) is a big step to close nutrient cycles and to strengthen the circular economy use of high-quality recycling-derived fertiliser products (RDF’s) as a CE marked product on the free market of the EU. As this adapted EU regulation is still not in force and also not covering all innovative RDFs or components of it, the current situation is still hampering the European transborder market introduction of RDFs and some of its components. For more market uptake of RDFs and its components, quality assurances for the production, processes and the end-product needs to get uptaken normatively. Additionally, contamination limits (impurities and heavy metals) but also nutrient content and plant availability must be defined for more transparency for RDF users (Egan & Power 2020). Beside the European CE marking, the fertilizer producer can still choose to comply with national standards and sell the product to other EU countries on the basis of mutual recognition. Voluntary certification schemes are supportive to proof compliance for sale and marketing.
ReNu2Farm highlights the benefits of RDF and proposes criteria for RDFS and designated fertiliser components to ease trade within the European single market. At the example of the RDF STRUBIAS, the legal status is portrayed, that is supposed to enhance consumer’s trust and market uptake. This should help to build up trust in recycled fertilisers and prospectively help to substitute mineral fertiliser by RDF.
Fine dust impact by wood energy of a structured oil heating replacement in Luxembourg – Possibilities, pathways and impacts
Authors: Wern Bernhard , Noll Florian , Zheng Yue
Published: November 2022

Heating and cooling needed in 2015 the half of final energy consumption in EU and is the biggest energy sector in EU 28. Often, the energy supply is provided by petroleum products and has to be transformed into low greenhouse gas supply according the agreements of the Paris follow-up-process. This article is based on the “heating oil fade-out study” commissioned by the Luxembourg Ministry of Energy and estimates for Luxemburg the possibilities and pathways of decreasing heating oil in private heating sector and its impact on local environment. Main questions are: To what extend wood heating solutions are overtaking the place from heating oil solutions? What are alternative possibilities? And what is the environment impact regarding to the fine dust emission in the heating energy transition? A bottom-up approach using heat mapping data examines four sample communities in Luxembourg. The analysis shows that wood pellets in spite of using heat pumps as primary heat supply solution are needed in large quantities for the heat oil fade out due to the recently and also in future still existing energetically low building standards and limited prospects of further expansion of the natural gas network. By using fine dust filters, an increase of fine dust could be avoided.
Green organizational culture – its essence, elements and methods of diagnosis
Authors: Piwowar-Sulej Katarzyna
Published: November 2022

The analysis of papers indexed in Scopus database revealed that insufficient attention is paid to organizational culture treated as one of the crucial factors in shaping employees’ appropriate behaviors towards natural environment. Taking this into account the purpose of this paper is to present green organizational culture which is an element of general organizational culture and reflects the organizational attitude towards environmental issues. In particular, the author discusses the essence of this culture, its elements – taking into account Schein’s concept of cultural layers – and methods of its diagnosis used in previous studies. Since the paper is of theoretical-conceptual nature, it is based on literature studies combined with a scientific reflection. It contributes to the development of knowledge through providing synthesis of previous studies and highlighting challenges related to proper diagnosis of this culture.
Life Cycle Assessment of Cheese in Terms of Climate Change
Authors: Dagiliūtė R , Minkevičiūtė I , Dikšaitytė A
Published: November 2022

Milk products are important sources of nutrients in the human diet; however, they have a significant impact on the environment, particularly because of the greenhouse gases that are generated during the production of these products. Therefore, this study aims to analyze the impact of life cycle of Cagliata cheese on climate change. In this study, the selected functional unit is 1t of Cagliata cheese produced in Lithuania and exported to Italy. The environmental impact evaluation of the product in terms of CO2 eq. covered four stages: milk production, cheese production, packaging, and transportation. Emission factors for each stage was recalculated based on data from the cheese producer and the literature review. Results show a total carbon footprint of 2.109 t CO2 eq./1t of Cagliata cheese throughout the life cycle. The primary production stage of milk contributed the most - some 1.058 t CO2 eq./1t (50% of the total life cycle carbon footprint), cheese production phase - 0.65 t CO2 eq./1t of cheese. Based on the results improvement options are suggested for producer to minimize cheese contribution to the climate change.
Hydrological analysis and hydraulic simulation for Sperchios River Basin
Authors: Theochari Aimilia-Panagiota , Raissis Filipos , Baltas Evangelos
Published: November 2022

This research work deals with a flood risk assessment methodology for the ungauged Sperchios River basin, an area of 1003 km2 located in Central Greece. This region is frequently exposed to floods, thus a floodplain evaluation is very important in order to take measures against the effects of floods. Initially, a hydrological analysis was conducted through the Hydrologic Modeling System (HEC-HMS) using the estimation of the runoff, based on the Natural Resources Conservation Service (NRCS) method and the appropriate curve numbers (CN) for the study area. The output of the hydrological analysis was a flood hydrograph, which was then used for hydraulic simulation through the River Analysis System (HEC-RAS) (2D), having the ability to produce the water profiles, velocity and inundation maps of the floodplain. The results of this work indicated that surface runoff is equal to 66% of the total rainfall and the flood hydrograph peaks at 1969 m3/s, under normal soil moisture conditions. An increase of 22% in the surface runoff, leads to a peak of 2756 m3/s (40% increase), under wet conditions. The adopted methodology contributes to the development of robust flood forecasting and early warning systems.
Green Jobs in multinational companies - an initial network and content analysis
Authors: Piwowar-Sulej Katarzyna , Ferasso Marcos , Sulich Adam
Published: November 2022

Several current research studies on green jobs focus mostly on rural areas and analyze this problem in the context of Circular Economy or specific industries. However, the context of multinational companies is still uncovered. This study aims at mapping the field by relating the Green Jobs in multinational companies in the business/ management literature. The research method used in this paper is network analysis based on the results obtained from the Dimensions database, totaling 67 documents. Findings revealed that this research area is at its birth stage and proved the need for advancing the field. The avenues for future research are addressed.