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Volume 13

Global NEST Journal cover

Global NEST Journal

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Temporal and spatial scales of lake processes. Part 2: interaction of physical and ecological scales and application of scaling concepts to greek lakes


Papadimitrakis I. and Chioni A.


The temporal and spatial scaling concepts related to basic physical and ecological lake processes and the associated non-dimensional parameters that govern the various flow regimes, developed in lakes and reviewed in Part 1 of our companion paper (Papadimitrakis, 2011), are applied to lakes Pamvotis...

Lake processes physical scales +4 more

Removal of hexavalent chromium from electroplating wastewater by electrocoagulation with iron electrodes


Dermentzis K., Christoforidis A., Valsamidou E. and Lazaridou A.


The performance of electrocoagulation using iron electrodes for the removal of hexavalent chromium from synthetic aqueous solutions and actual industrial electroplating wastewater was studied. Parameters affecting the electrocoagulation process, such as initial pH, applied current density, initial...

electrochemical coagulation electroplating effluent +2 more

Under climatic change, soil microbial community and variables relating to N-cycle are modulated by changes in the upper limit temperature


Monokrousos N., Papatheodorou E.M. and Stamou G.P.


The effect of temperature increase and more specifically its upper and low level correlates on soil microbial biomass, activity and N-cycle variables was studied in a Mediterranean shrubland. Experimental manipulation succeeded in establishing three treatments which, in comparison with the monthly...

soil microbial biomass and activity climate change scenarios +5 more

Plant biomonitoring: impact of urban environment on seasonal dynamics of storage substances and chlorophylls of Oleander


Meletiou-Christou M.S. , Banilas G.P., Bardisi C. and Rhizopoulou S.


In the present study seasonal changes of chlorophyll content and storage substances related to the metabolic response of the widespread, evergreen plant oleander (Nerium oleander) to air pollution were investigated. Mature leaves of oleander shrubs, grown at five sites of differing levels of air...

air pollution carbohydrates +4 more

Application of sludge, organic solid wastes and yard trimmings in aerobic compost piles


Chazirakis P., Giannis A., Gidarakos E., Wang J.-Y. and Stegmann R.


The effects of different mixture ratios of sewage sludge (SS), organic fraction of municipal solid waste (OFMSW) and yard trimmings (YT) on the performance of composting process were investigated in this study. The high water content and the proper carbon/nitrogen ratio make sludge ideal for this...

co-composting organic solid waste +3 more

Temporal and spatial scales of lake processes. Part 1: physical and ecological scales, non-dimensional parameters and flow regimes


Papadimitrakis I.


Scaling concepts, related to basic physical transport and mixing processes and other ecological aspects in lakes, are reviewed in an ecohydrodynamic perspective; the length and time scales as well as the non-dimensional parameters governing the various flow regimes and relevant to these processes...

Lake processes transport +6 more

Watershed management with special emphasis on fresh water wetland: a case study of a flood plain wetland in west Bengal, India


Biswas M., Samal N.R., Roy P.K. and Mazumdar A.


The last few decades we have witnessed an enormous rise in awareness of the importance of wetlands. Mathura beel1 has been assumed to take the attention in recent years because of its ecological significance in terms of flood control, water purification, aquatic productivity, and microclimatic...

Mathura beel water quality monitoring +3 more

Dehalogenation of polychlorinated biphenyls (PCB) by nucleofile reactants at the presence of ionic liquids and under application of microwaves


P. Kastanek, F. Kastanek, M. Hajek, J. Sobek and O. Solcova


Laboratory-scale experiments were performed in order to examine the effect of microwave field on the effectiveness of KPEG method (nucleophilic substitution of the chlorine atoms in a molecule of PCBs by alkaline polyethylene glycol PEG) in the removal of PCBs from highly contaminated mineral oils...

PCBs mineral oil +5 more

An environmental health information system - assessment of the situation in Greece


Cavoura O. , Katsiri A., Katsiris N. , Mantziaras I.D. and Dalbokova D.


Presented are the results, with emphasis on the situation in Greece, of the ENHIS-2 project “Establishment of Environment and Health Information System Supporting Policy Making”. The information system is based on a set of Environmental Health Indicators developed and updated by the project...

indicator policy +5 more