Ecotoxicity of sea bream (Sparus aurata L. 1758) and sea bass (Dicentrarchus labrax L. 1758) aquaculture spills located in Cádiz Bay (SW of Spain)
© Aristotle University of Thessaloniki (6/2009)
The rise on worldwide population requires a bigger amount of resources, including aquaculture. This fast growing necessitates responsible management of aquaculture wastes, as methods to determine which concentrations alters the normal development of farm surrounding areas. Farming of sea bream (Sparus aurata) and sea bass (Dicentrarchus labrax) have incremented considerably compared with other species in South of Spain, mainly due to appearance of new intensive growing technologies.
© Aristotle University of Thessaloniki (6/2009)
The rise on worldwide population requires a bigger amount of resources, including aquaculture. This fast growing necessitates responsible management of aquaculture wastes, as methods to determine which concentrations alters the normal development of farm surrounding areas. Farming of sea bream (Sparus aurata) and sea bass (Dicentrarchus labrax) have incremented considerably compared with other species in South of Spain, mainly due to appearance of new intensive growing technologies.
Evaluation of phytotoxic and genotoxic effects of surface waters using duckweed (Lemna minor L.)
© Aristotle University of Thessaloniki (6/2009)
The primary aim of this study was to evaluate and compare the suitability of certain endpoints: growth parameters, pigment content, peroxidase activity, lipid peroxidation and alkaline comet assay as biomarkers for environmental monitoring of surface waters using duckweed plants as a test system.
© Aristotle University of Thessaloniki (6/2009)
The primary aim of this study was to evaluate and compare the suitability of certain endpoints: growth parameters, pigment content, peroxidase activity, lipid peroxidation and alkaline comet assay as biomarkers for environmental monitoring of surface waters using duckweed plants as a test system.
Short-term toxicity of industrial chemicals on biological sentinels in water and sediment
© Aristotle University of Thessaloniki (6/2009)
Acute toxic effects of two industrial chemicals on fish and shrimp were assessed using the methods # 203 and 218 respectively derived from the Organisation for Economic Cooperation and Development (OECD). The indiscriminate release of these chemicals into the Niger Delta environment of Nigeria gives the impetus for this assessment. The results showed that there was a difference in toxicity between fresh and brackish water fish (Tilapia guineensis) and shrimp (Desmoscaris tripsinosa; Palaemonetes africanus). There was also a significant difference between mortality in Neatex (industrial detergent), Norust CR 486 (corrosion inhibitor) and the control treatments at p < 0.05 for the water and sediment toxicity test. The findings in this study calls for regular surveillance of the environment since most of the chemicals released are absorbed by sediment particles causing harm first to the living organisms in the sediment and secondly to the overlying waters.
© Aristotle University of Thessaloniki (6/2009)
Acute toxic effects of two industrial chemicals on fish and shrimp were assessed using the methods # 203 and 218 respectively derived from the Organisation for Economic Cooperation and Development (OECD). The indiscriminate release of these chemicals into the Niger Delta environment of Nigeria gives the impetus for this assessment. The results showed that there was a difference in toxicity between fresh and brackish water fish (Tilapia guineensis) and shrimp (Desmoscaris tripsinosa; Palaemonetes africanus). There was also a significant difference between mortality in Neatex (industrial detergent), Norust CR 486 (corrosion inhibitor) and the control treatments at p < 0.05 for the water and sediment toxicity test. The findings in this study calls for regular surveillance of the environment since most of the chemicals released are absorbed by sediment particles causing harm first to the living organisms in the sediment and secondly to the overlying waters.
Ecotoxicity of a point source pollution of Lake Como (Northern Italy)
© Aristotle University of Thessaloniki (6/2009)
Lake Como is the deepest and the third largest lake in Italy, which lies in an important industrial and commercial area of Northern Italy. The main activities concern textile factories and clothing and, of slight importance, metal manufacturing. In the Southern part of the Como branch of the lake, where waters are withdrawn for potable use, the inlet of Torrent Cosia represents an important source of known and unknown substances potentially dangerous for freshwater organisms and for human uses.
© Aristotle University of Thessaloniki (6/2009)
Lake Como is the deepest and the third largest lake in Italy, which lies in an important industrial and commercial area of Northern Italy. The main activities concern textile factories and clothing and, of slight importance, metal manufacturing. In the Southern part of the Como branch of the lake, where waters are withdrawn for potable use, the inlet of Torrent Cosia represents an important source of known and unknown substances potentially dangerous for freshwater organisms and for human uses.
A model of sustainable development in areas with limited resources
© IWWG International Waste Working Group (11/2006)
The purpose of the research has been a cognitive investigation developed in the archipelago of Eolie Islands, localized in the limits of the territory north-east of the Sicily, with the aim of know te present state of health of residential water and Municipal Solid Waste management systems, to make feasible a model of sustainable development advanced.
© IWWG International Waste Working Group (11/2006)
The purpose of the research has been a cognitive investigation developed in the archipelago of Eolie Islands, localized in the limits of the territory north-east of the Sicily, with the aim of know te present state of health of residential water and Municipal Solid Waste management systems, to make feasible a model of sustainable development advanced.
Pyrolisis, gasification and plasma technologies
© IWWG International Waste Working Group (11/2006)
The development of pyrolysis and gasification plants has shown that waste is a very difficult material to be treated. The basic problems are the heterogenic material with a lot of hazardous components which pollute the gas, the char, the oil and the waste water. Nevertheless waste components with a high calorific value and little contaminates is used in pyrolysis as well as gasification plants. The plasma technology has not proven to be a reliable option in waste management.
© IWWG International Waste Working Group (11/2006)
The development of pyrolysis and gasification plants has shown that waste is a very difficult material to be treated. The basic problems are the heterogenic material with a lot of hazardous components which pollute the gas, the char, the oil and the waste water. Nevertheless waste components with a high calorific value and little contaminates is used in pyrolysis as well as gasification plants. The plasma technology has not proven to be a reliable option in waste management.
