2010-188 STUDY OF WATER PENETRATION THROUGH POROUS MATERIALLidia Todorova 1, Stefan Todorov 21 Institute of Solid State Physics, Bulgarian Academy of Sciences, Bulgaria2 Institute of Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, Bulgaria Abstract:A laboratory study of water penetration trough porous filter is accomplished. The investigation is carried out by the method of […]

2010-187 A METHOD FOR MACROPHYTE-BASED ASSESSMENT OF THE ECOLOGICAL STATUS OF LAKES, DEVELOPED AND IMPLEMENTED FOR THE PURPOSE OF ENVIRONMENTAL PROTECTION IN POLANDHanna Ciecierska 1, Agnieszka Kolada 2, Hanna Soszka 21 Department of Botany and Nature Protection, University of Warmia and Mazury, Poland2 Department of Freshwater Assessment Methods and Monitoring, Poland Abstract:In order to solve […]

2010-236 AN ADVANCED IRRIGATION ADVISORY PROGRAMMarshall English 11 Biological and Ecological Engineering Dept., Oregon State University, Corvallis, USA Abstract:Irrigation management advisory services must achieve significant advances in analytical capabilities in the next decade or two. Increasingly critical water shortages are forcing adoption of deficit irrigation strategies that require precise control of soil water conditions in […]

2010-186 IMPACT OF GLOBAL WARMING ON THE REGIME OF PRECIPITATIONS IN SOUTH BULGARIAKalinka KouzmovaAgricultural university-Plovdiv, Bulgaria   Abstract:Recent years have seen a very large concern among the scientific community on the problem of global warming and climate changes. Increased the extremes of climate as a record droughts and floods, which losses worldwide are estimated at […]

2010-235 BACTERIA AS AN INDEX OF WATER POLLUTION OF THE RIVER GOLEMA AND LAKE PRESPALence Lokoska 11 Hydrobiological Institute, Ohrid, Macedonia Abstract:The changes of the space and time distribution of the total number of heterotrophic bacteria and of some physiological groups of bacteria, as well as of the total number of coliform bacteria and the […]

2010-162 BIOLOGICAL EFFECTS OF BLACK SEA SEDIMENTS ON SEA URCHIN EMBRYONIC DEVELOPMENT AND RELATIONSHIP BETWEEN TOXICITY AND HYDROCARBON MEASUREMENTSRahime Oral 1, H.Baha Buyukisik 1, E.Yesim Ozkan 1, Filiz Kucuksezgin 2, Enis Darilmaz 2, 1 Ege University, Faculty of Fisheries, 35100 Izmir, Turkey2 Dokuz Eylul University, Institute of Marine Sciences and Technology, 35340 Izmir, Turkey Abstract:This […]

2010-140 THE INFLUENCE OF GRAINS SIZE SEDIMENT UPON FLOW PROCESSES IN POROUS MEDIUMBakos Mihaela  VioletaPolytechnic University of Timisoara, Romania Abstract:Grain size is the most fundamental physical property of sediment. Porosity, hydraulic conductivity and permeability are very important parameters for study flow and transport process in porous media. This hydrological parameters depend on the size of […]

2010-234 COMPOSITION AND DYNAMICS OF MICROBIAL COMMUNITY IN THE LAKE OHRIDLence LokoskaHydrobiological Institute, Ohrid, Macedonia Abstract:The microorganisms in the water environment have the chief role in the process of transformation of the organic material, and in the functioning of the ecosystem as a whole. Knowing the composition and the dynamics of their population is a […]

2010-233 INTERACTIONS BETWEEN AREAL HYPOLIMNETIC OXYGEN DEPLETION RATE AND TROPHIC STATE OF LAKES IN NORTHERN POLANDDariusz Borowiak 1, Kamil Nowinski 1, Jacek Branczuk 1, Rajmund Skowron 2, Adam Solarczyk 21 University of Gdansk, Department of Limnology, Poland2 Nicolaus Copernicus University, Department of Hydrology and Water Management, Poland Abstract:The oxygen content in lake is a fundamental […]

2010-232 DISTRIBUTION OF THE CELLULOLYTIC BACTERIA IN THE LAKE OHRIDLence Lokoska 1Hydrobiological Institute, Ohrid, Macedonia Abstract:In the water ecosystems the cellulose is to be especially taken into consideration because it is produced during the process of photosynthesis of the phytoplankton and the aquatic macrophytes and its quantity depends on the primary production. The biogenetic transformation […]