Konstantinos Fytilis | Aristotle University of Thessaloniki (original) (raw)
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Papers by Konstantinos Fytilis
Research Square (Research Square), Apr 16, 2024
Limnology, Mar 29, 2024
This contribution presents the first record of the invasive non-native red swamp crayfish Procamb... more This contribution presents the first record of the invasive non-native red swamp crayfish Procambarus clarkii (Girard, 1852) in Greece and the Balkans. The crayfish was found during a fish monitoring expedition in the lower reaches of the Vosvozis River, near the city of Komotini, Thrace (northeastern Greece). The finding of P. clarkii in Greece expands the southernmost geographical range of the species in the Balkans and calls for immediate actions in preventing its further expansion to other water bodies and towards strict control of aquarium trade.
Journal of Sustainability and Environmental Management, May 26, 2022
The management of water resources and the achievement of the Water Framework Directive 2000/60 / ... more The management of water resources and the achievement of the Water Framework Directive 2000/60 / EC's objectives were the key research themes for this study. The study of Ichthyofauna was conducted at nine areas of Enipeas river basin in central Macedonia region of Greece. At the sampling stations, the electrofishing method was applied. The physicochemical parameters at the sampling site were measured with a multiparametric HANNA water quality meter, while water samples were collected and transferred to laboratories of the Biology Department of the Aristotle University of Thessaloniki for analysis of nutrients and major ions. Out of nine stations, only one station discovered fish. Because the sampling was only done once, it is suggested that it be repeated at a different time because the research location is located in one of Greece's major catchments. Only three fish species were identified in the entire catchment area, indicating that more detailed studies are needed covering different surrounding areas.
The management of water resources and the achievement of the Water Framework Directive 2000/60 / ... more The management of water resources and the achievement of the Water Framework Directive 2000/60 / EC's objectives were the key research themes for this study. The study of Ichthyofauna was conducted at nine areas of Enipeas river basin in central Macedonia region of Greece. At the sampling stations, the electrofishing method was applied. The physicochemical parameters at the sampling site were measured with a multiparametric HANNA water quality meter, while water samples were collected and transferred to laboratories of the Biology Department of the Aristotle University of Thessaloniki for analysis of nutrients and major ions. Out of nine stations, only one station discovered fish. Because the sampling was only done once, it is suggested that it be repeated at a different time because the research location is located in one of Greece's major catchments. Only three fish species were identified in the entire catchment area, indicating that more detailed studies are needed covering different surrounding areas.
International Journal of Sustainable Agricultural Management and Informatics
Knowledge & Management of Aquatic Ecosystems, 2022
This contribution presents the first record of the noble crayfish Astacus astacus (Linnaeus, 1758... more This contribution presents the first record of the noble crayfish Astacus astacus (Linnaeus, 1758) in Euboea (Evia) Island, Greece. The crayfish was found during a fish monitoring expedition in the upper Mesapios River, in a reach that maintains flow throughout the year, while most of the river length desiccates completely during the dry season. The finding of A. astacus in an intermittent river of Euboea Island expands the species geographical range and calls for immediate conservation actions to protect its habitat and preserve this vulnerable population.
International Journal of Current Advanced Research, 2022
The purpose of this study is to highlight the importance of Geographic Information Systems (G.I.S... more The purpose of this study is to highlight the importance of Geographic Information Systems (G.I.S.) in water resources management. As a case study will be analyzed the usefulness of the G.I.S. in the catchment area of the ri water drillings. An electronic database will be created that will utilize in real time the needs of each drilling.
INTERNATIONAL JOURNAL OF SCIENTIFIC & TECHNOLOGY RESEARCH VOLUME, 2022
Business research consists of a set of important quantitative techniques based on mathematical pr... more Business research consists of a set of important quantitative techniques based on mathematical programming, which have been used effectively in various management processes. Linear programming is one of the most widely used techniques in this group. For a long time, linear programming was used for programming in agriculture and crop management. The present study uses linear programming for crop management in an afro area in central Greece. The current situation is compared with the best solution proposed by the methodology. The solver tool of excel is used. Constraints taken into account are fertilization, irrigation, working hours and land uses. As a result, there are savings of restrictions and a significant increase in yields of the proposed crops.
Mathematical Programming is used to determine the best or optimal solution to a problem that requ... more Mathematical Programming is used to determine the best or optimal solution to a problem that requires a decision or set of decisions regarding the use of existing limited resources to achieve an objective. Linear Programming is a widely used technique mathematical modeling to determine the optimal allocation of resources between competing requirements. In the present study, a review of the use of linear programming for crop management is made and its methodology is analyzed.
Conference Presentations by Konstantinos Fytilis
3ο Συνέδριο Γεωγραφικών Πληροφοριακών Συστημάτων & Χωρικής Ανάλυσης στη Γεωργία και στο Περιβάλλον, 2019
3ο Συνέδριο Γεωγραφικών Πληροφοριακών Συστημάτων & Χωρικής Ανάλυσης στη Γεωργία και στο Περιβάλλον
Thesis Chapters by Konstantinos Fytilis
![Research paper thumbnail of Special case study of the flowing waters of the Enipea – Xyles watershed of the Prefecture of Pieria. [in Greek]](https://attachments.academia-assets.com/113663294/thumbnails/1.jpg)
](The two major innovations of the Directive 2000/60/EC is firstly the fact that examines the water... more The two major innovations of the Directive 2000/60/EC is firstly the fact that examines the water body at a river basin level and secondly the fact that for the assessment of the ecological water quality, apart from the physico-chemical and hydromorphological parameters, some biological parameters are also examined.
Taking into account all the aforementioned, the current case study was implemented, in order to evaluate the ecological status of Enipeas – Xyles river basin (May 2013) according to the Water Framework Directive 2000/60/EC.
Totally, nine sampling stations were determined for sampling but only in five of them, samples of water, benthic macroinvertabrates and fishes were collected. The water balance was estimated and it was found surplus and additionally there was a determination of the physico-chemical parameters either in the field or in the laboratory. All the values complied with the drinking water limits, whereas an excession was observed concerning the fish life limits. Concerning the river habitats (HMS), six out of the nine stations were identified as obviously to severely modified, apart from the stations Litochoro ananti and Litochoro katanti which were identified as semi natural and the station Stratopedo katanti as predominantly unmodified. Moreover the high elevation, the steep bank inclination, the low temperature and the break of the continuity, have played a significant role in the fact that no fishes were collected in the majority of the stations, except for the station Technito kanali ananti, which is located adjacent to the sea. The benthic macroinvertabrates, as biological index, seem to have an excellent correspondence to the changes of the water quality, which is influenced by the morphological characteristics of the water basin, the vegetation, the various activities that took place inside the basin and finally the location of monitoring stations.
Regarding the water ecological status, it was found high at the station Litochoro ananti, moderate at the station Litochoro katanti and poor at the stations Stratopedo katanti and Technito kanali ananti. This significant degradation of the ecological status among the first three stations happens because of the “nitrate pollution” from the agricultural activities. The sampling stations Litochoro katanti (moderate ecological status), Stratopedo katanti (poor ecological status) and Technito kanali ananti (poor ecological potential) are located outside the Natura protected zone, whereas the station Litochoro ananti (high ecological status) is located inside the Natura zone. The hierarchical clustering, has also classified the sampling stations into three different categories according to their ecological status / potential.
Furthermore IMPRESS analysis was implemented and it was highlighted intense pressure, originated from the agricultural activities. Taking into consideration the calculations for the IMPRESS analysis in order to determine the pollution load in Enipeas – Xyles river basin, it is noticed a very significant excession of the BOD5, total nitrogen and total phosphorus concentrations, comparing to the fish life limits.
Finally, regarding the morphological alteration pressures, the risk of failing the environmental objectives for the entire basin is high and for this reason an additional IMPRESS analysis should be implemented, whereas the risk of failure due to pollution pressures is medium and a long term programme of measures should be established.
Research Square (Research Square), Apr 16, 2024
Limnology, Mar 29, 2024
This contribution presents the first record of the invasive non-native red swamp crayfish Procamb... more This contribution presents the first record of the invasive non-native red swamp crayfish Procambarus clarkii (Girard, 1852) in Greece and the Balkans. The crayfish was found during a fish monitoring expedition in the lower reaches of the Vosvozis River, near the city of Komotini, Thrace (northeastern Greece). The finding of P. clarkii in Greece expands the southernmost geographical range of the species in the Balkans and calls for immediate actions in preventing its further expansion to other water bodies and towards strict control of aquarium trade.
Journal of Sustainability and Environmental Management, May 26, 2022
The management of water resources and the achievement of the Water Framework Directive 2000/60 / ... more The management of water resources and the achievement of the Water Framework Directive 2000/60 / EC's objectives were the key research themes for this study. The study of Ichthyofauna was conducted at nine areas of Enipeas river basin in central Macedonia region of Greece. At the sampling stations, the electrofishing method was applied. The physicochemical parameters at the sampling site were measured with a multiparametric HANNA water quality meter, while water samples were collected and transferred to laboratories of the Biology Department of the Aristotle University of Thessaloniki for analysis of nutrients and major ions. Out of nine stations, only one station discovered fish. Because the sampling was only done once, it is suggested that it be repeated at a different time because the research location is located in one of Greece's major catchments. Only three fish species were identified in the entire catchment area, indicating that more detailed studies are needed covering different surrounding areas.
The management of water resources and the achievement of the Water Framework Directive 2000/60 / ... more The management of water resources and the achievement of the Water Framework Directive 2000/60 / EC's objectives were the key research themes for this study. The study of Ichthyofauna was conducted at nine areas of Enipeas river basin in central Macedonia region of Greece. At the sampling stations, the electrofishing method was applied. The physicochemical parameters at the sampling site were measured with a multiparametric HANNA water quality meter, while water samples were collected and transferred to laboratories of the Biology Department of the Aristotle University of Thessaloniki for analysis of nutrients and major ions. Out of nine stations, only one station discovered fish. Because the sampling was only done once, it is suggested that it be repeated at a different time because the research location is located in one of Greece's major catchments. Only three fish species were identified in the entire catchment area, indicating that more detailed studies are needed covering different surrounding areas.
International Journal of Sustainable Agricultural Management and Informatics
Knowledge & Management of Aquatic Ecosystems, 2022
This contribution presents the first record of the noble crayfish Astacus astacus (Linnaeus, 1758... more This contribution presents the first record of the noble crayfish Astacus astacus (Linnaeus, 1758) in Euboea (Evia) Island, Greece. The crayfish was found during a fish monitoring expedition in the upper Mesapios River, in a reach that maintains flow throughout the year, while most of the river length desiccates completely during the dry season. The finding of A. astacus in an intermittent river of Euboea Island expands the species geographical range and calls for immediate conservation actions to protect its habitat and preserve this vulnerable population.
International Journal of Current Advanced Research, 2022
The purpose of this study is to highlight the importance of Geographic Information Systems (G.I.S... more The purpose of this study is to highlight the importance of Geographic Information Systems (G.I.S.) in water resources management. As a case study will be analyzed the usefulness of the G.I.S. in the catchment area of the ri water drillings. An electronic database will be created that will utilize in real time the needs of each drilling.
INTERNATIONAL JOURNAL OF SCIENTIFIC & TECHNOLOGY RESEARCH VOLUME, 2022
Business research consists of a set of important quantitative techniques based on mathematical pr... more Business research consists of a set of important quantitative techniques based on mathematical programming, which have been used effectively in various management processes. Linear programming is one of the most widely used techniques in this group. For a long time, linear programming was used for programming in agriculture and crop management. The present study uses linear programming for crop management in an afro area in central Greece. The current situation is compared with the best solution proposed by the methodology. The solver tool of excel is used. Constraints taken into account are fertilization, irrigation, working hours and land uses. As a result, there are savings of restrictions and a significant increase in yields of the proposed crops.
Mathematical Programming is used to determine the best or optimal solution to a problem that requ... more Mathematical Programming is used to determine the best or optimal solution to a problem that requires a decision or set of decisions regarding the use of existing limited resources to achieve an objective. Linear Programming is a widely used technique mathematical modeling to determine the optimal allocation of resources between competing requirements. In the present study, a review of the use of linear programming for crop management is made and its methodology is analyzed.
3ο Συνέδριο Γεωγραφικών Πληροφοριακών Συστημάτων & Χωρικής Ανάλυσης στη Γεωργία και στο Περιβάλλον, 2019
3ο Συνέδριο Γεωγραφικών Πληροφοριακών Συστημάτων & Χωρικής Ανάλυσης στη Γεωργία και στο Περιβάλλον
The two major innovations of the Directive 2000/60/EC is firstly the fact that examines the water... more The two major innovations of the Directive 2000/60/EC is firstly the fact that examines the water body at a river basin level and secondly the fact that for the assessment of the ecological water quality, apart from the physico-chemical and hydromorphological parameters, some biological parameters are also examined.
Taking into account all the aforementioned, the current case study was implemented, in order to evaluate the ecological status of Enipeas – Xyles river basin (May 2013) according to the Water Framework Directive 2000/60/EC.
Totally, nine sampling stations were determined for sampling but only in five of them, samples of water, benthic macroinvertabrates and fishes were collected. The water balance was estimated and it was found surplus and additionally there was a determination of the physico-chemical parameters either in the field or in the laboratory. All the values complied with the drinking water limits, whereas an excession was observed concerning the fish life limits. Concerning the river habitats (HMS), six out of the nine stations were identified as obviously to severely modified, apart from the stations Litochoro ananti and Litochoro katanti which were identified as semi natural and the station Stratopedo katanti as predominantly unmodified. Moreover the high elevation, the steep bank inclination, the low temperature and the break of the continuity, have played a significant role in the fact that no fishes were collected in the majority of the stations, except for the station Technito kanali ananti, which is located adjacent to the sea. The benthic macroinvertabrates, as biological index, seem to have an excellent correspondence to the changes of the water quality, which is influenced by the morphological characteristics of the water basin, the vegetation, the various activities that took place inside the basin and finally the location of monitoring stations.
Regarding the water ecological status, it was found high at the station Litochoro ananti, moderate at the station Litochoro katanti and poor at the stations Stratopedo katanti and Technito kanali ananti. This significant degradation of the ecological status among the first three stations happens because of the “nitrate pollution” from the agricultural activities. The sampling stations Litochoro katanti (moderate ecological status), Stratopedo katanti (poor ecological status) and Technito kanali ananti (poor ecological potential) are located outside the Natura protected zone, whereas the station Litochoro ananti (high ecological status) is located inside the Natura zone. The hierarchical clustering, has also classified the sampling stations into three different categories according to their ecological status / potential.
Furthermore IMPRESS analysis was implemented and it was highlighted intense pressure, originated from the agricultural activities. Taking into consideration the calculations for the IMPRESS analysis in order to determine the pollution load in Enipeas – Xyles river basin, it is noticed a very significant excession of the BOD5, total nitrogen and total phosphorus concentrations, comparing to the fish life limits.
Finally, regarding the morphological alteration pressures, the risk of failing the environmental objectives for the entire basin is high and for this reason an additional IMPRESS analysis should be implemented, whereas the risk of failure due to pollution pressures is medium and a long term programme of measures should be established.