Pub Date : 2023-10-01DOI: 10.53464/jmte.02.2023.14
Mihaela TUROF
"In the context of the global oil crisis, in all fields, an optimization of fuel consumption and an improvement of the efficiency of energy installations are being attempted. Thus, the shipping and transport industry is converging towards this idea by implementing energy installations with increased yields and reduced consumption. At the same time, for this purpose, it is also tried to increase the efficiency through the appropriate preparation of the fuel or its burning in optimal conditions. Thus, in this context, the chosen topic aims to deal with aspects related to the dimensioning of the fuel supply system for a 178,000 tdw universal Bulk-Carrier. The ship is propelled by a B&W 8L60MC main engine that has been modernized in order to reduce consumption, noxious emissions and increase the energy efficiency index. Bulk-Carrier ships are intended for the transport of various goods in bulk: iron ore, grain, coal, phosphates and other similar goods. "
{"title":"ANALYSIS AND DIMENSIONING OF THE FUEL SUPPLY SYSTEM OF BULK-CARRIER","authors":"Mihaela TUROF","doi":"10.53464/jmte.02.2023.14","DOIUrl":"https://doi.org/10.53464/jmte.02.2023.14","url":null,"abstract":"\"In the context of the global oil crisis, in all fields, an optimization of fuel consumption and an improvement of the efficiency of energy installations are being attempted. Thus, the shipping and transport industry is converging towards this idea by implementing energy installations with increased yields and reduced consumption. At the same time, for this purpose, it is also tried to increase the efficiency through the appropriate preparation of the fuel or its burning in optimal conditions. Thus, in this context, the chosen topic aims to deal with aspects related to the dimensioning of the fuel supply system for a 178,000 tdw universal Bulk-Carrier. The ship is propelled by a B&W 8L60MC main engine that has been modernized in order to reduce consumption, noxious emissions and increase the energy efficiency index. Bulk-Carrier ships are intended for the transport of various goods in bulk: iron ore, grain, coal, phosphates and other similar goods. \"","PeriodicalId":476016,"journal":{"name":"Journal of marine technology and environment","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135323324","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-10-01DOI: 10.53464/jmte.02.2023.11
Jana Pařílková, Zbyněk Zachoval, Yanko YANEV
Climate change is a complex and to some extent defining problem of our time, including the issue of their monitoring. From shifting weather patterns that threaten food production, to rising sea levels that increase the risk of catastrophic flooding, the impacts of climate change are global in scope and unprecedented in scale. The each other interconnected processes of mass and energy transfer are well visible in an integrated dynamic system called the hydrosphere. The hydrosphere is the combined mass of water found on, under, and above the surface of the Earth. Meteorological conditions undoubtedly have, in addition to different agro-ecological conditions, a significant influence on the monitored yields and crop quality. The paper presents the results of the soil monitoring at cherry orchard Žabčice, Czech Republic in place with different species of grassland with different lengths of their roots. Monitoring was realized manually with frequency one per month with using Z-meter devices developed through international EUREKA programme. The monitoring system allows measurement at one selected frequency of the measuring signal, or measurement in a frequency band. Both approaches were used to monitor changes in soil water content. Changes in the water content in the soil were monitored during artificial irrigation of grass (frequency spectrum) with a mobile probe and due to changes in the weather - drought and after torrential rain on the site (chosen frequency of the measuring signal) with stable probes. For practical reasons to limit the influence of uncertainties, the measurement was conceived as relative, and therefore calibration was not carried out for e.g. relative humidity of the soil. The monitoring results show the possibility of using the measuring system for the given purpose in full, including the possibility of its automation.
{"title":"THE EIS METHOD CAN IDENTIFY CHANGES IN WATER CONTENT IN SOIL PORES: DETECTION OF DRY AND WET SOIL BY EIS METHOD IN THE CHERRY ORCHARD IN ŽABČICE, CZECH REPUBLIC","authors":"Jana Pařílková, Zbyněk Zachoval, Yanko YANEV","doi":"10.53464/jmte.02.2023.11","DOIUrl":"https://doi.org/10.53464/jmte.02.2023.11","url":null,"abstract":"Climate change is a complex and to some extent defining problem of our time, including the issue of their monitoring. From shifting weather patterns that threaten food production, to rising sea levels that increase the risk of catastrophic flooding, the impacts of climate change are global in scope and unprecedented in scale. The each other interconnected processes of mass and energy transfer are well visible in an integrated dynamic system called the hydrosphere. The hydrosphere is the combined mass of water found on, under, and above the surface of the Earth. Meteorological conditions undoubtedly have, in addition to different agro-ecological conditions, a significant influence on the monitored yields and crop quality. The paper presents the results of the soil monitoring at cherry orchard Žabčice, Czech Republic in place with different species of grassland with different lengths of their roots. Monitoring was realized manually with frequency one per month with using Z-meter devices developed through international EUREKA programme. The monitoring system allows measurement at one selected frequency of the measuring signal, or measurement in a frequency band. Both approaches were used to monitor changes in soil water content. Changes in the water content in the soil were monitored during artificial irrigation of grass (frequency spectrum) with a mobile probe and due to changes in the weather - drought and after torrential rain on the site (chosen frequency of the measuring signal) with stable probes. For practical reasons to limit the influence of uncertainties, the measurement was conceived as relative, and therefore calibration was not carried out for e.g. relative humidity of the soil. The monitoring results show the possibility of using the measuring system for the given purpose in full, including the possibility of its automation.","PeriodicalId":476016,"journal":{"name":"Journal of marine technology and environment","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135323593","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-10-01DOI: 10.53464/jmte.02.2023.12
Ciprian POPA, Ion CHIABURU, Hristache ISAC
The paper discusses diverse energy storage technologies, highlighting the limitations of lead-acid batteries and the emergence of cleaner alternatives such as lithium-ion batteries. It covers battery inspections, factors affecting battery life, and repurposing retired batteries. Additionally, it addresses challenges in wind power generation and the successful application of LL-type VRLA batteries in stabilizing power fluctuations.
{"title":"REVIEW OF BATTERY TYPES AND APPLICATION TO WIND POWER GENERATION SYSTEM","authors":"Ciprian POPA, Ion CHIABURU, Hristache ISAC","doi":"10.53464/jmte.02.2023.12","DOIUrl":"https://doi.org/10.53464/jmte.02.2023.12","url":null,"abstract":"The paper discusses diverse energy storage technologies, highlighting the limitations of lead-acid batteries and the emergence of cleaner alternatives such as lithium-ion batteries. It covers battery inspections, factors affecting battery life, and repurposing retired batteries. Additionally, it addresses challenges in wind power generation and the successful application of LL-type VRLA batteries in stabilizing power fluctuations.","PeriodicalId":476016,"journal":{"name":"Journal of marine technology and environment","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135323321","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-10-01DOI: 10.53464/jmte.02.2023.08
Feiza MEMET
Part- time education is very attractive for students and universities, due to its obvious benefits related with economic, mobility and friendly education environment aspects. In Constanta Maritime University, part- time education is available for marine engineering, electrical engineering and navigation and waterborne transport programs. According to the Romanian legislation, the evaluation of part- time students consists in two types of assessment: formative evaluation and final evaluation. The formative evaluation is carried on by the use of the university’ E- Platform, while the final evaluation is face to face type- exactly like the one of full- time students. In the case of study, it is described the formative evaluation of part- time students enrolled in Marine Engineering program, second year of study, in the case of students’ performance assessment in Thermodynamics 1 Course. There are enrolled 52 students, but only 25 attended the formative evaluation, despite of the fact that this evaluation has a percentage in the final grade. This paper describes the manner in which this evaluation took place. Also, where analysed the reasons for not attendance and mistakes in test solving. Where identified the ways in which students performance might be improved, for a better understanding of the curricula.
{"title":"A POINT OF VIEW ON FORMATIVE- EVALUATION OF PART- TIME STUDENTS IN CONSTANTA MARITIME UNIVERSITY- A CASE OF STUDY","authors":"Feiza MEMET","doi":"10.53464/jmte.02.2023.08","DOIUrl":"https://doi.org/10.53464/jmte.02.2023.08","url":null,"abstract":"Part- time education is very attractive for students and universities, due to its obvious benefits related with economic, mobility and friendly education environment aspects. In Constanta Maritime University, part- time education is available for marine engineering, electrical engineering and navigation and waterborne transport programs. According to the Romanian legislation, the evaluation of part- time students consists in two types of assessment: formative evaluation and final evaluation. The formative evaluation is carried on by the use of the university’ E- Platform, while the final evaluation is face to face type- exactly like the one of full- time students. In the case of study, it is described the formative evaluation of part- time students enrolled in Marine Engineering program, second year of study, in the case of students’ performance assessment in Thermodynamics 1 Course. There are enrolled 52 students, but only 25 attended the formative evaluation, despite of the fact that this evaluation has a percentage in the final grade. This paper describes the manner in which this evaluation took place. Also, where analysed the reasons for not attendance and mistakes in test solving. Where identified the ways in which students performance might be improved, for a better understanding of the curricula.","PeriodicalId":476016,"journal":{"name":"Journal of marine technology and environment","volume":"161 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135323323","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
In this paper we present the steps to establish a design of floating wind turbine in offshore area. In order to be able to design a floating wind turbine in the offshore area of the Black Sea, data about the wind potential, the potential of waves and sea currents are needed, as well as wave-wind cross-data and other atmospheric data. It is assumed that the location of the floating turbine is the area of the Galata platform, Varna, Bulgaria, located at 25 km south-east of the city of Varna in the South-West Black Sea area. The wind dataset can downloaded from a server in NetCDF file form. The spatial data are used to generate wind maps showing the distribution of the mean wind speed for the full-time distribution (i.e. total time) and for the four seasons, respectively.
{"title":"METOCEAN SPECIFICATIONS FOR WIND DATA BASE ON THE BLACK SEA","authors":"Fanel-Viorel PANAITESCU, Mariana PANAITESCU, Cornel PANAITESCU","doi":"10.53464/jmte.02.2023.10","DOIUrl":"https://doi.org/10.53464/jmte.02.2023.10","url":null,"abstract":"In this paper we present the steps to establish a design of floating wind turbine in offshore area. In order to be able to design a floating wind turbine in the offshore area of the Black Sea, data about the wind potential, the potential of waves and sea currents are needed, as well as wave-wind cross-data and other atmospheric data. It is assumed that the location of the floating turbine is the area of the Galata platform, Varna, Bulgaria, located at 25 km south-east of the city of Varna in the South-West Black Sea area. The wind dataset can downloaded from a server in NetCDF file form. The spatial data are used to generate wind maps showing the distribution of the mean wind speed for the full-time distribution (i.e. total time) and for the four seasons, respectively.","PeriodicalId":476016,"journal":{"name":"Journal of marine technology and environment","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135323584","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Search and rescue operations in maritime environments are critical for saving lives and ensuring the safety of individuals in distress. The advancement of autonomous technologies has led to the development of Search and Rescue Autonomous Vessels (SRAVs), which have the potential to revolutionize the efficiency and effectiveness of such operations. This paper presents an example of the design, capabilities, and challenges associated with SRAVs. The integration of various sensors, communication systems, and artificial intelligence algorithms allows these vessels to navigate autonomously, detect and identify distress signals, locate survivors, and provide immediate assistance. Also, there are presented results from testing the SRAV and future development perspective.
{"title":"SEARCH AND RESCUE AUTONOMOUS VESSEL","authors":"Ovidiu CRISTEA, Ștefan-Vlăduț ONEA, Silviu-Nicolae POPA","doi":"10.53464/jmte.02.2023.04","DOIUrl":"https://doi.org/10.53464/jmte.02.2023.04","url":null,"abstract":"Search and rescue operations in maritime environments are critical for saving lives and ensuring the safety of individuals in distress. The advancement of autonomous technologies has led to the development of Search and Rescue Autonomous Vessels (SRAVs), which have the potential to revolutionize the efficiency and effectiveness of such operations. This paper presents an example of the design, capabilities, and challenges associated with SRAVs. The integration of various sensors, communication systems, and artificial intelligence algorithms allows these vessels to navigate autonomously, detect and identify distress signals, locate survivors, and provide immediate assistance. Also, there are presented results from testing the SRAV and future development perspective.","PeriodicalId":476016,"journal":{"name":"Journal of marine technology and environment","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135275541","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
"In this paper we present the steps to determine the bathymetry in the harbour. For this we can use software MIKE Zero to create various meshes, each designed to apply for a special modelling task. The bathymetry mesh is created from scratch and optimised to a satisfactory . "
{"title":"GENERATING A MESH TO DETERMINE THE BATHYMETRY IN THE HARBOUR","authors":"Andreea-Irina IGNAT, Mariana PANAITESCU, Fanel-Viorel PANAITESCU","doi":"10.53464/jmte.02.2023.07","DOIUrl":"https://doi.org/10.53464/jmte.02.2023.07","url":null,"abstract":"\"In this paper we present the steps to determine the bathymetry in the harbour. For this we can use software MIKE Zero to create various meshes, each designed to apply for a special modelling task. The bathymetry mesh is created from scratch and optimised to a satisfactory . \"","PeriodicalId":476016,"journal":{"name":"Journal of marine technology and environment","volume":"89 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135323576","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-10-01DOI: 10.53464/jmte.02.2023.01
Mihaela Luminita BĂRHALESCU, Elena COSTESCU, Mihaela Luminita BĂRHALESCU
Human beings are social creatures. We need the company of others to thrive in life, and the power of our connections has a huge impact on our mental health and happiness. Being socially connected to others can alleviate stress, anxiety and depression, increase self-esteem, provide comfort and joy, prevent loneliness and even add years to your life. On the other hand, the lack of strong social connections can pose a serious risk to your mental and emotional health. In today's world, many of us rely on social media platforms like Facebook, Twitter, Snapchat, YouTube, and Instagram to find and connect with each other. While each has its benefits, it's important to remember that social media can never be a substitute for real-world human connection. It takes personal contact with others to trigger the hormones that relieve stress and make you feel happier, healthier, and more positive. Ironically, for a technology that's designed to bring people closer together, spending too much time interacting with social media can make you feel lonelier and more isolated — and exacerbate mental health issues like anxiety and depression. If you spend an excessive amount of time on social media and feelings of sadness, dissatisfaction, frustration or loneliness are affecting your life, it may be time to re-examine your online habits and find a healthier balance.
{"title":"THE ROLE OF SOCIAL MEDIA IN USER HEALTH","authors":"Mihaela Luminita BĂRHALESCU, Elena COSTESCU, Mihaela Luminita BĂRHALESCU","doi":"10.53464/jmte.02.2023.01","DOIUrl":"https://doi.org/10.53464/jmte.02.2023.01","url":null,"abstract":"Human beings are social creatures. We need the company of others to thrive in life, and the power of our connections has a huge impact on our mental health and happiness. Being socially connected to others can alleviate stress, anxiety and depression, increase self-esteem, provide comfort and joy, prevent loneliness and even add years to your life. On the other hand, the lack of strong social connections can pose a serious risk to your mental and emotional health. In today's world, many of us rely on social media platforms like Facebook, Twitter, Snapchat, YouTube, and Instagram to find and connect with each other. While each has its benefits, it's important to remember that social media can never be a substitute for real-world human connection. It takes personal contact with others to trigger the hormones that relieve stress and make you feel happier, healthier, and more positive. Ironically, for a technology that's designed to bring people closer together, spending too much time interacting with social media can make you feel lonelier and more isolated — and exacerbate mental health issues like anxiety and depression. If you spend an excessive amount of time on social media and feelings of sadness, dissatisfaction, frustration or loneliness are affecting your life, it may be time to re-examine your online habits and find a healthier balance.","PeriodicalId":476016,"journal":{"name":"Journal of marine technology and environment","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135275538","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-10-01DOI: 10.53464/jmte.02.2023.13
Nicolae-Silviu POPA, Ciprian POPA, Vlad MOCANU
This paper examines various types of batteries and their modes of operation in a rapidly evolving technological world. From the definition of batteries and the distinction between cells and batteries, to their history and uses in various applications, this study provides a comprehensive overview of the subject. Primary and secondary batteries are explored, with examples such as alkaline and nickel-metal hydride batteries, highlighting the characteristics of each. Additionally, lithium-ion batteries are examined in detail, including their specific properties and innovative mode of operation. The article also addresses charging and discharging methods, including LiFePO4 technology, providing a comprehensive understanding of these essential components in modern devices.
{"title":"STATE OF THE ART IN BATTERY TECHNOLOGY: INNOVATIONS AND ADVANCEMENTS","authors":"Nicolae-Silviu POPA, Ciprian POPA, Vlad MOCANU","doi":"10.53464/jmte.02.2023.13","DOIUrl":"https://doi.org/10.53464/jmte.02.2023.13","url":null,"abstract":"This paper examines various types of batteries and their modes of operation in a rapidly evolving technological world. From the definition of batteries and the distinction between cells and batteries, to their history and uses in various applications, this study provides a comprehensive overview of the subject. Primary and secondary batteries are explored, with examples such as alkaline and nickel-metal hydride batteries, highlighting the characteristics of each. Additionally, lithium-ion batteries are examined in detail, including their specific properties and innovative mode of operation. The article also addresses charging and discharging methods, including LiFePO4 technology, providing a comprehensive understanding of these essential components in modern devices.","PeriodicalId":476016,"journal":{"name":"Journal of marine technology and environment","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135275537","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-10-01DOI: 10.53464/jmte.02.2023.06
Simona Ghiță, Irina Stanciu, Adrian Sabău
In the present study, the main physical-chemical parameters (temperature, conductivity, turbidity, pH, dissolved oxygen, biochemical oxygen consumption, ammonium, nitrate and phosphate ions) and the representative groups of phytoplankton (green algae, cyanobacteria, diatoms and cryptophytics) are analysed with direct influence on the quality of aquatic life. The average values obtained by analysing the samples collected in July 2023 in the bordering area of fishing activities (marine site –Midia-Navodari area and Lake sites – Tasaul Lake and Siutghiol Lake) are presented and discussed. The modern techniques of in situ analysis of the physical-chemical and biological parameters of the water allowed an evaluation of the quality of the surface waters regarding the trophic potential. The optimal values of the indicators of the eutrophication regime and of the oxygen regime, as well as the presence of the main groups of primary producers, suggest the existence of favourable conditions for the development of fishing and aquaculture activities. The study contributes to the achievement of the general objective of the Dobrogea North FLAG strategy for the development of fishing activities based on the knowledge of environmental aspects, in order to maintain economic and ecological sustainability.
在本研究中，主要的物理化学参数(温度、电导率、浊度、pH、溶解氧、生化耗氧量、铵、硝、磷离子)和浮游植物的代表类群(绿藻、蓝藻、硅藻和隐生)对水生生物质量有直接影响。本文介绍并讨论了2023年7月在捕鱼活动的边界地区(海洋地点-米迪亚-纳沃达里地区和湖泊地点-塔索尔湖和Siutghiol湖)收集的样本分析所得的平均值。对水的物理、化学和生物参数进行现场分析的现代技术可以对地表水的营养势的质量进行评价。富营养化制度和氧气制度指标的最佳值，以及主要初级生产者群体的存在，表明存在着发展渔业和水产养殖活动的有利条件。这项研究有助于实现Dobrogea North FLAG战略的总目标，即根据环境方面的知识发展渔业活动，以保持经济和生态的可持续性。
{"title":"ASSESSMENT OF THE QUALITY OF THE AQUATIC ENVIRONMENT IN THE AREAS BORDERING THE DEVELOPMENT OF FISHING ACTIVITIES","authors":"Simona Ghiță, Irina Stanciu, Adrian Sabău","doi":"10.53464/jmte.02.2023.06","DOIUrl":"https://doi.org/10.53464/jmte.02.2023.06","url":null,"abstract":"In the present study, the main physical-chemical parameters (temperature, conductivity, turbidity, pH, dissolved oxygen, biochemical oxygen consumption, ammonium, nitrate and phosphate ions) and the representative groups of phytoplankton (green algae, cyanobacteria, diatoms and cryptophytics) are analysed with direct influence on the quality of aquatic life. The average values obtained by analysing the samples collected in July 2023 in the bordering area of fishing activities (marine site –Midia-Navodari area and Lake sites – Tasaul Lake and Siutghiol Lake) are presented and discussed. The modern techniques of in situ analysis of the physical-chemical and biological parameters of the water allowed an evaluation of the quality of the surface waters regarding the trophic potential. The optimal values of the indicators of the eutrophication regime and of the oxygen regime, as well as the presence of the main groups of primary producers, suggest the existence of favourable conditions for the development of fishing and aquaculture activities. The study contributes to the achievement of the general objective of the Dobrogea North FLAG strategy for the development of fishing activities based on the knowledge of environmental aspects, in order to maintain economic and ecological sustainability.","PeriodicalId":476016,"journal":{"name":"Journal of marine technology and environment","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135275539","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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