Note: Intro -- Preface -- Contents -- 1 Uranium Boom in Namibia - Hausse or Baisse -- Introduction -- The Uranium Deposits of Namibia's Central Namib Region -- Existing Uranium Mines -- Rössing Uranium Mine -- Langer Heinrich Mine -- Uranium Mines under Construction in Namibia -- Rössing South/Husab -- Trekkopje Mine -- Valencia Mine -- Future Uranium Mines -- Bannerman / Etango Project -- Reptile Uranium Namibia (Pty) Ltd. Projects -- Additional Uranium Projects -- Scenarios and Reality -- Scenario Development -- Environmental and Socioeconomic Issues -- Logistics and Transport Infrastructure -- Water Supply -- Electrical Energy -- Housing and Civil Development -- Supporting Industrial Development -- Impact of Low Uranium Prices -- Summary -- References -- 2 Rare earth elements in Australian uraniumdeposits -- Introduction -- Uranium mineralisations -- Olympic Dam -- Olary district -- Mount Isa district -- Conclusions -- References -- 3 IAEA Initiatives Supporting Good Practice inUranium Mining Worldwide -- Introduction and rationale -- IAEA documents hierarchy -- IAEA Uranium and NORM documents -- The IAEA and environmental and social aspects of uraniummining -- Training -- Remediation of legacy sites -- Coordination and support activities -- Technical cooperation activities -- Conclusions -- Acknowledgements -- References -- 4 Challenging Issues in Regulating UraniumMining in Tanzania -- Background -- Regulatory Challenges -- Conclusion -- References -- 5 Uranium leaching from a burning black shale deposit -present conditions and future scenarios -- Introduction -- Methods -- Sampling -- Measurements -- Leaching -- Results and discussion -- Solid phase -- Groundwater -- Leaching -- Temperature -- Future scenarios -- Conclusion -- References. , 6 Is enough information available to derive anoverall EQS for uranium in French freshwaters,according to European Guidance? -- Introduction -- Water Quality Standard -- Generic value -- Conditional QS values -- Sediment Quality Standard -- Secondary Poisoning Quality Standard -- Human Health Quality Standard -- Conclusions -- References -- 7 Radiation exposure and environmental remediation atthe Urgeiriça mine site, Portugal -- Introduction -- Materials and Methods -- Results and Discussion -- Ambient dose -- Radionuclides in water -- Radionuclides in vegetables -- Atmospheric radioactivity -- Conclusions -- References -- 8 The modern hydrochemical state of the Mailuu-Suuriver and radioecological problem of the FerganaValley -- Relevance -- Materials and Methods -- Discussion of the results -- Conclusion -- References -- 9 Social Licensing in Uranium Mining: EmpoweringStakeholders through Information -- Introduction -- The stakeholders in uranium mining projects -- Framing the processes for social licensing -- Populating the indicators -- Experience gained within the EO-MINERS Project -- Conclusions -- Acknowledgements -- References -- 10 Social licensing and Stakeholder Communication inUranium Exploration and Mining -- Introduction -- Framing the Social Processes -- IAEA Activities in Social Licensing for Uranium Mining -- Uranium Mining in a Sustainable Development Context -- Social Interactions and Narratives in Uranium Mining Projects -- Key Findings of the Workshop -- Conclusions -- References -- 11 Environmental radiation monitoring around uraniumore deposits and mining sites in India: An overview -- Introduction -- Environmental Radiation Monitoring -- Results and Discussions -- Radon emanation from waste rock -- Studies on restoration of tailings pond -- Baseline environmental studies -- Public Awareness program -- Acknowledgement. , References -- 12 Optimization of Uranium In-situ Recovery Based onAdvanced Geophysical Surveying and BoreholeLogging Technologies -- Conditions determining ISR feasibility -- High-resolution shallow seismic -- Novel borehole logging tool for U exploration and ISR wellfielddevelopment -- Model-based wellfield design and optimized ISR performance -- References -- 13 Fuzzy MCDA for remediation of a uraniumtailing -- Introduction -- A fuzzy MCDA Approach -- Problem structuring -- Elicitation of preferences -- Fuzzy evaluation of remediation alternatives -- Conclusions -- Acknowledgments -- References -- 14 Uranium in phosphate fertilizers - review andoutlook -- Toxicity of uranium -- Uranium in fertilizers -- Accumulation of fertilizer-derived uranium in soils -- Transfer of uranium in the food chain -- Uranium loads from agricultural soils to surface and groundwater -- Removal of uranium from rock phosphates and the energetic and economicsignificance of uranium in phosphate fertilizers -- References -- 15 Uranium and Molybdenum transfer within theoxidized zone of uranium deposit -- Introduction -- Research object description -- Results -- Ion composition variation -- Analysis for Metals using ICP-MS -- Conclusions -- References -- 16 Release of uranium from weathered black shalein meso-scale reactor systems - first year of data -- Introduction -- Materials and Methods -- Wood chips and shale -- Construction of reactors and sampling -- Chemical analysis and modelling -- Uranium recovery -- Results and Discussion -- Characterization of shale -- Leachates from reactors -- Uranium recovery -- Conclusion -- Acknowledgements -- References -- 17 Environmental Issues and Proposed Assessmentof Feasibility of Remediation of the Legacy Sitesof Mining and Milling in the Area of Sumsar-Shekaftar in Kyrgyzstan -- Introduction to the problem. , Legacy sites of Pb-Zn ore processing at Sumsar -- 1. Mining legacies of the Uranium deposit Shekaftar. -- Conclusions regarding investigation and assessment of the remedialfeasibility. -- References -- 18 Heavy metals and natural radionuclides in thewater of Syr Darya River, Kazakhstan -- Introduction -- Methodology -- Site description -- Sampling and Sample Pretreatment - Metal and RadionuclideAnalysis -- Results and discussion -- Conclusions -- References -- 19 Establishment of a database of uranium anomalies andzones in Mongolia -- Introduction -- Soviet reports used to compile the database -- Database compilation problems and solutions -- Organization of the database of anomalies and zones -- Examples of anomaly entries -- Examples of zone entries -- Conclusion -- Acknowledgments -- References -- 20 Uranium, Rare Earths and NORM: Mining andcurrent prospects in Australia's NorthernTerritory -- Introduction -- The Northern Territory and NORM -- Mineral Sands -- Rare Earth Elements -- Phosphates -- Uranium -- Other Mining Operations -- Conclusion -- References -- 21 Technical Status of Mine Water Control in China andIts Development Strategy -- Introduction -- Technical status and problems of mine water hazard explorationin China -- Geophysical exploration technology -- Drilling technology -- Technical status and problems of mine water hazard monitoringand early warning technology in China -- Technical status and problems of mine water hazard controltechnology in China -- Science and Technology Development Countermeasures forMine Water Hazard Prevention and Control in China -- Focusing on two key types of water hazards -- Strengthening two types of promotion and development technologyfor water hazard control -- Focusing on two key types of water hazards -- Strengthening two types of promotion and development technologyfor water hazard control. , Adopting three science and technology development strategies ofwater hazard control -- Developing basic theory -- Strengthening research and development of the key technology andequipment for water hazard control -- Promoting scientific and technical platform construction -- Suggestion -- References -- 22 Revisiting a case study on uranium exposurelinked to leukaemia - preliminary results -- Background -- Geological and farming conditions in the study area -- Methods -- Uranium levels in water -- Uranium levels in sheep tissue -- Assessing associated health risks -- Conclusion and recommendation -- References -- 23 Virtual Geographical Environments as a tool to map human exposure to mining-relatedradionuclides -- Motivation: the need for assessing U related health risks in SA -- Mapping uranium exposure using VGE -- Purpose and objectives -- Operational approach, data and methodology -- Results and discussion -- References -- 24 Assessing risks associated with the flooding ofmine voids on underground infrastructure andwater resources in and around Johannesburg(South Africa) -- Background -- Risks associated with rising mine water -- Flooding of foundations of high rise buildings -- Sinkhole formation -- Pollution of surface water -- Pollution of shallow groundwater -- Geotechnical stability -- Increased seismicity -- Radon exhalation -- Governmental response: pump-and-treat -- Proposed alternatives -- Conclusions and recommendations -- References -- 25 Hydrogeological testing for ISL uranium mining: someAustralian experience -- Introduction -- ISL mining as a hydrogeological activity -- Brief history of ISL mining in Australia -- Case Studies -- Beverley -- Beverley North -- Four Mile -- Honeymoon -- Oban -- Mullaquana/Blackbush -- Manyingee -- Discussion and Conclusions -- References -- 26 Remediation of a uranium geological explorationfacility. , General situation of the facilities.

Note: Intro -- Contents -- Preface -- Foreword by the Saxon State Minister for Environment and Agriculture -- Foreword by the President of the Saxon Mining Authority -- Uranium ISL Mining Activities at the International Atomic Energy Agency -- Introduction -- Background of the IAEA activities in the field of uranium production cycle -- Meetings -- Training events -- Technical cooperation -- Publications -- Uranium in-situ leach (ISL) mining activity -- Previous IAEA activities on ISL -- Different views on ISL -- What is ISL mining? -- An Environmental Critique of In Situ Leach Mining : The Case Against Uranium Solution Mining -- Future IAEA activities in ISL -- Conclusions -- Uranium mining legacies remediation and renaissance development: an international overview -- Introduction -- The history of neglect -- Case histories -- Case histories from Asia -- Case histories from Africa -- Case histories from Australia -- The resurgence of the uranium mining industry -- Where to from here? -- Understanding Uranium Migration in Hard Rocks -- Introduction -- Experimental set-up -- Conceptual Model -- Initial water compositions -- The hydraulic properties of the experimental system -- Solubility Controlling Phases for Uranium -- The uranium source term -- Results of Blind Modelling -- Precipitation Kinetics -- Discussion and Conclusions -- References -- Detection of hexavalent uranium with inline and field-portable immunosensors -- Introduction -- Methods -- Materials -- Inline Sensor -- Field Portable Device -- Kinetic Phosphorescence Analysis -- Results -- Discussion -- Acknowledgments -- References -- Ground water remediation at the Moab, Utah, USA, former uranium-ore processing site -- Introduction -- Regulatory framework -- Ground water conditions -- Ground water contamination -- Ground water interim action. , Surface water runoff and its effect on aquatic habitat -- Long-term ground water remediation strategy -- Conclusions -- Acknowledgment -- References -- Dispersion of uranium in the environment by fertilization -- Toxicological significance of uranium -- Uranium in food and uranium uptake by humans -- Environmental loads of uranium originating from fertilization -- Controlling loads of uranium originating from fertilizers -- References -- The Potential of Thorium Deposits -- Thorium Occurrences and Characteristics -- Thorium Resources -- Thorium as a Nuclear Fuel -- Developing a Thorium-Based Fuel Cycle -- References -- Mining of Uranium in Kazakhstan -- Uranium deposits -- Uranium mining -- Characteristics of technological solutions and sorbents -- Conclusions -- Prediction and a new Method of Exploitation of Gold Deposits with Uranium in the Variscian Molass Conglomerate Basins of Germany -- The Prediction of geodynamic conditions of mining of Elkon uranium field (Eastern Siberia, Russia) -- Some approaches to remediation study of the fucoid sandstone in the Straz pod Ralskem site - Nothern Bohemia -- Introduction -- Experimental -- Solutions -- Rock samples -- Column leaching experiments -- Batch experiments: leaching and modified sequential extraction -- Kinetics of leaching -- Sequential extraction -- Diffusion experiments -- Results -- Modelling -- Conclusions -- Acknowledgement -- References -- Permeable Reactive Barriers for Treatment of a Groundwater at a Uranium Mine: Laboratory Evaluation of Reactive Materials -- Depressurising of Deep Underground Workings at McArthur River Mine -- Could the calixarenes be a viable solution for radioactive decontamination of mine waters from Romania? -- Uranium industry in Romania -- Main aspects concerning the environmental radioactive pollution and exposure pathways. , Radioactive contaminated mine waters features and the decontamination methods used -- Could the calixarenes be a viable solution for the radioactive decontamination of the mine waters? -- Conclusions -- References -- Treatment of acid drainage in a uranium deposit by means of a passive system -- Introduction -- Materials and methods -- Results and discussion -- Conclusions -- Acknowledgements -- References -- Uranium fixation by Cladophora spec. -- Introduction -- Materials and Methods -- Material -- Methods -- Results -- Discussion -- Conclusions -- Acknowledgements -- References -- Utilization of autochthonous SRB in uranium mine site remediation -- Introduction -- Site description -- Hydro-, geochemical screening -- Microbial screening -- Development of the remediation technology -- Implementation in field-scale -- Acknowledgement -- References -- Elemental Iron (Fe0) for Better Drinking Water in Rural Areas of Developing Countries -- Introduction -- A priori polluted Water -- Survey of technologies for water treatment -- The elemental iron technology -- Iron technology for developing countries -- Acknowledgments -- References -- Comparison of three different sorbents for uranium retention from a source water -- Experience gained from the experimentalpermeable reactive barrier installed on the former uranium mining site -- Introduction -- Location of the PRB -- Change of the groundwater composition -- Changing of the uranium concentration -- Changing of the general composition of the groundwater -- Conclusions -- References -- Risk Assessment of Uranium in Selected Gold Mining Areas in South Africa -- Introduction -- Risk-assessment methodology -- Site-specific objectives of the risk assessment -- Scope of the risk assessment -- Preliminary conceptual analysis -- Risk assessment results -- Identification of chemicals of potential concern. , Environmental chemistry of uranium -- Exposure assessment -- Potentially exposed populations -- Identification of exposure pathways -- Toxicity assessment -- Types of health risk of concern -- Risk characterisation -- Exposed population characteristics -- Magnitude of the carcinogenic and non-carcinogenic risk estimates -- Major factors driving risk -- Conclusions -- References -- Risk assessment of a landfill for wastes containing naturally occurring radionuclides through infiltration to groundwater -- Introduction -- Site description -- Conceptual model -- Exposure pathway -- Transport model -- Results -- Tertiary host rock -- Well -- Doses to the public -- Affection to the Ebro river -- Conclusions -- Acknowledgments -- References -- Integrated Methodology for the Environmental Risk Assessment of an Abandoned Uranium Mining Site -- Introduction -- Methods and Results -- Source -- Multi-layer cover design -- Atmospheric pathway -- Groundwater -- Surface water transport -- Transfer to flora -- Transfer into the Food-chain -- Discussion and Conclusions -- References -- Modeling the water flow in unsaturated waste rock pile: an important step in the overall closure planning of the first uranium mining site in Brazil -- Introduction -- Modeling Approach -- Waste Characterization -- Conceptual model of the WRP-4 -- Numerical simulation approach -- Results and Discussion -- Conclusions -- References -- Developing a 3D data model for geohazard assessment in a former uraniferous mining site -- Introduction -- Site description -- Methodology used for building the 3D model -- Conclusion -- References -- Uranium and heavy metals in Phosphate Fertilizers -- Introduction -- Conclusions -- Acknowledgement -- References -- Material and methods -- Sampling and sample preparation -- Analytical Techniques -- Results and discussion. , Uranium accumulation in sandy soil in an arid region due to agricultural activities -- Uranium in anthropogenic Lakes of the New Central German Lake District -- Intro -- Regional geogenic Uranium background -- Materials and methods -- Lakes -- Lake Kulkwitz -- Lake Muldestausee -- Flooding of Lake Zwenkau -- Geological Background -- Hydrogeological and hydrological Situation -- Water -- Ground water -- Precipitation water -- Tailings residual water -- Infiltration water -- Development of the waterbody Lake Zwenkau -- Conclusions -- References -- Closure of Underground Mine of Lincang Uranium Mine -- Introduction -- Study Area -- Environmental Issues of the Adits and Inclined Shaft -- Closure technologies of adits and inclined shaft -- Conclusions -- Small scale uranium mine remediation in northern Australia -- Introduction -- Planning the modern remediation -- The remediation works -- Sleisbeck -- Sleisbeck access track -- Sleisbeck pit and surrounding area -- Guratba (Coronation Hill) -- Future plans -- Conclusions -- References -- The remediation of a uranium mining and milling site in Slovenia -- Introduction -- General Remediation Strategy -- Closure of the underground mine -- Relocation of mine waste rock to a central pile -- Remediation of the mine waste rock pile Jazbec -- Remediation of the mill tailings pile Borst -- Comparison with other uranium mining remediation projects -- Scope of work -- Organisational Structure -- Financing -- Long-term activities -- Outlook and Conclusions -- References -- Feasibility Study on Crust Formation as CO2 Sink in Uranium and Lignite Post-Mining Sites -- Introduction -- Lab and Field Investigations -- Scope of work -- Conception of Lab and Field Tests -- Geochemical Investigations, Isotope and Mineralogical Analysis -- Results -- Lab and Field Tests: Concentrations of Metals. , Geochemical Investigations and Modeling.

Note: Intro -- About the 2nd Springer Conference of the Arabian Journal of Geosciences (CAJG-2), Tunisia 2019 -- Proceedings Volume 1: New Prospects in Environmental Geosciences and Hydrogeosciences -- Proceedings Volume 2: Advances in Geophysics, Tectonics and Petroleum Geosciences -- Proceedings Volume 3: Recent Research on Geomorphology, Sedimentology, and Geochemistry -- Proceedings Volume 4: Research Developments in Geotechnics, Geoinformatics and Remote Sensing -- About the Conference Steering Committee -- Preface -- Contents -- About the Editors -- Global Environmental Change (T1): Atmosphere -- 1 Climate Networks -- Abstract -- 1 Introduction -- 2 Climate Network Measurements -- 2.1 Degree Distribution -- 2.2 Path, Distance and Diameter -- 2.3 Clustering -- 2.4 Cut Sets and Communities -- 3 Results -- 3.1 Patterns and Teleconnections -- 3.2 El Niño -- 3.3 North Atlantic Oscillation -- 4 Discussion and Conclusions -- References -- 2 Assessment of Temperature Trends in Different Bioclimatic Zones of India -- Abstract -- 1 Introduction -- 2 Study Area, Data and Methods -- 3 Results and Discussion -- 4 Conclusions -- References -- 3 Statistical Analysis of Wind to Assess Climate Change (Central Italy) -- Abstract -- 1 Introduction -- 2 Methods -- 3 Results -- 4 Discussion -- 5 Conclusions -- References -- 4 Impact of Estimated Wind Speed on Temperature-Based on ET0 Methods -- Abstract -- 1 Introduction -- 2 Materials and Methods -- 3 Results and Discussion -- 4 Conclusions -- Acknowledgements -- References -- Global Environmental Change (T1): Ocean -- 5 The Remote Response of Northern Hemisphere Atmosphere Circulation to ENSO in a Changing Climate -- Abstract -- 1 Introduction -- 2 Data and Methods -- 3 Results -- 4 Discussion -- 5 Conclusions -- Acknowledgements -- References. , 6 Inter-Annual Variability of Mediterranean Evaporation and Its Drivers During Summer -- Abstract -- 1 Introduction -- 2 Materials and Methods -- 3 Results and Discussion -- 3.1 Leading EOF Modes of Mediterranean Evaporation -- 3.2 Links to Regional Climate -- 4 Conclusions -- Acknowledgements -- References -- 7 Low Frequency Sea-Level Oscillations in Algiers Harbour (Algeria) -- Abstract -- 1 Introduction -- 2 Methods -- 3 Results and Discussion -- 4 Conclusion -- References -- 8 Modeling Interactions Among the West Atlantic Hurricanes Through Empirical Recurrence Rates Ratio Inspired Hidden Markov Chains -- Abstract -- 1 Introduction -- 2 Methodology -- 3 Results -- 3.1 Change-Point Identification -- 3.2 ERRR Based HMC Modeling -- 4 Discussion and Conclusions -- References -- 9 Performance Evaluation of a New Source Term Package ST6 of Wavewatch III in Catalan Coasts (Spain) -- Abstract -- 1 Introduction -- 2 Materials and Methods -- 3 Results -- 4 Discussion -- 5 Conclusions -- References -- 10 Enhanced Methane Emission from Arctic Seas in Winter: Satellite Data -- Abstract -- 1 Introduction -- 2 Materials and Methods -- 3 Results and Discussion -- 4 Conclusions -- References -- Global Environmental Change (T1): Land Surface -- 11 Seasonal Heat Fluxes of Land Surface Models, NOAH and MOSAIC Within NLDAS-2 Over USA During the Period of 1979-2018 -- Abstract -- 1 Introduction -- 2 Methods and Data -- 2.1 NLDAS-2System -- 2.2 MOSAIC Land Surface Model -- 2.3 NOAH Land Surface Model -- 3 Results and Discussion -- 3.1 Spatial Sensible Heat Flux -- 3.2 Spatial Latent Heat Flux -- 3.3 Temporal Latent and Sensible Heat Fluxes -- 4 Conclusions -- References -- 12 Ecological Security Assessment of Qinghai Province in China Based on a Pressure-State-Response Model -- Abstract -- 1 Introduction -- 2 Materials and Methods. , 2.1 Location of Qinghai Province and Data Sources -- 2.2 Research Methods -- 2.2.1 Assessment Model, the Assessing Index System and Index Quantization and Weight -- 2.2.2 Calculation of the Degree of Ecological Security -- 3 Results and Discussion -- Acknowledgements -- The Appendix 1 -- The Appendix 2 -- References -- 13 Detecting and Monitoring Dust Storm and Studying the Effect of Temperature and Relative Humidity Parameters Using Remote Sensing -- Abstract -- 1 Introduction -- 2 Materials and Methods -- 2.1 Dust Storm Zoning -- 2.2 Correlation of Temperature and Humidity Parameters with the Dust Index -- 3 Results -- 4 Discussion -- References -- 14 Granulometric, Mineralogical, and HYSPLIT Analysis of Siliciclastic Sediments Derived from Sahara -- Abstract -- 1 Introduction -- 2 Materials and Methods -- 3 Results and Discussion -- 4 Conclusions -- Acknowledgements -- References -- 15 Solar Power Plant Site Selection and Thermodynamic Analysis -- Abstract -- 1 Introduction -- 2 Methods -- 2.1 System Description -- 3 Results and Discussion -- 3.1 Site Comparison -- 3.2 Solar Power Plant Output -- 4 Discussion -- 5 Conclusions -- References -- Biogeochemistry, Geobiology, Geoecology, Geoagronomy (T2): Biogeochemical Investigations -- 16 Blue Carbon Sinks on Polar Seabeds and Their Feedbacks on Climate Change -- Abstract -- 1 Introduction -- 2 Measuring Benthic Blue Carbon -- 3 Major Polar Blue Carbon Feedbacks -- 3.1 Seasonal Sea Ice Loss Influences -- 3.2 Ice Shelf Disintegration Influences -- 3.3 Glacier Retreat and Emerging Fjord Influences -- 4 Discussion -- References -- 17 Climatic Conditions as Factors Influencing the Formation of High-Moor Peat Organic Part -- Abstract -- 1 Introduction -- 2 Materials and Methods -- 3 Results -- 4 Discussion -- 5 Conclusions -- Acknowledgements -- References. , 18 Coastal Deltas of Big Rivers as Synergetic Transformation Elements of the Earth System-(An Example of the Don River Delta) -- Abstract -- 1 Introduction -- 2 Materials and Methods -- 3 Results -- 3.1 Definition of Delta Functional Type for the Don River -- 3.2 Don River Delta Mapping -- 3.3 Collection of Databases for the Don River Delta -- 4 Discussion -- 5 Conclusion -- Acknowledgements -- References -- 19 Investigation of the Impacts of the Saponite-Containing Waste on Wetland Ecosystems -- Abstract -- 1 Introduction -- 2 Materials and Methods -- 3 Results -- 4 Discussion -- 5 Conclusions -- Acknowledgements -- References -- 20 Evaluation of the Impact of Diamond Mining on the Radioecological State of the Arctic Zone Ecosystems (Example of Arkhangelsk Region, Russia) -- Abstract -- 1 Introduction -- 2 Materials and Methods -- 3 Results -- 4 Discussion -- 5 Conclusions -- Acknowledgments -- References -- Biogeochemistry, Geobiology, Geoecology, Geoagronomy (T2): Geobiology and Geomicrobiology -- 21 Scientific and Methodological Foundations of Biogeology -- Abstract -- 1 Introduction -- 2 Materials and Methods -- 3 Results -- 4 Discussion -- 5 Conclusions -- References -- 22 Natural and Resource Potential of Officinal Plants Flora of Ciscaucasia (Russian Federation) -- Abstract -- 1 Introduction -- 2 Materials and Methods -- 3 Results and Discussion -- 3.1 Flora of Officinal Plants of Ciscaucasia -- 3.2 Pharmacological Properties and Use of Officinal Plants -- 3.3 Cultivation of Officinal Plants -- 3.4 Rational Use of Officinal Plants -- 4 Conclusion -- References -- 23 Properties of Plant Growth Promoting Rhizobacteria Isolated from Rhizospheric Soil of Citrulus colocynthis (Cucurbitaceae) in northeastern Algeria -- Abstract -- 1 Introduction -- 2 Materials and Methods -- 3 Results -- 4 Discussion -- 5 Conclusion -- References. , 24 Microbiological Consortium of Thermokarst Lake and Its Significance in the Biodegradation of Petroleum Hydrocarbons -- Abstract -- 1 Introduction -- 2 Materials and Methods -- 3 Results -- 4 Discussion -- 5 Conclusions -- Acknowledgements -- References -- 25 Use of Biosurfactants in Bioremediation of Petroleum-Contaminated Soil -- Abstract -- 1 Introduction -- 2 Materials and Methods -- 2.1 Biosurfactant-Producing Bacterial Strain -- 2.2 Bioremediation Trials -- 2.2.1 Quantification of Oil-Degrading Bacteria -- 2.2.2 Monitoring of Total Petroleum Hydrocarbons (TPH) and Metal Analyses -- 2.2.3 Germination Test -- 3 Results -- 3.1 Abundance of Oil-Degrading Bacteria in Oil-Contaminated Soil -- 3.2 Total Petroleum Hydrocarbons TPHs Biodegradation in Oil-Contaminated Soil -- 3.3 Metal Removal in Oil-Contaminated Soil -- 3.4 Germination Test -- 4 Discussion -- 5 Conclusion -- References -- 26 Bio-cementation of Lateritic Soil Using Microbial-Induced Calcium Carbonate Precipitation Techniques for Use as Road and Embankment Materials -- Abstract -- 1 Introduction -- 2 Materials and Methods -- 2.1 Materials -- 2.1.1 Soil Sample -- 2.1.2 Microorganism -- 2.1.3 Cementation Reagent -- 2.1.4 Bacteria Solution -- 2.2 Methods -- 2.2.1 Isolation of the Bacterium Specie -- 2.2.2 The Culture Medium and Growth Conditions -- 2.2.3 Mass of Calcium Carbonate Measurements -- 2.2.4 Unconfined Compressive Strength -- 3 Results and Discussion -- 3.1 Index Properties -- 3.2 Calcium Carbonate Content -- 3.3 Unconfined Compressive Strength -- 3.4 Microanalysis -- 4 Conclusion -- References -- 27 Sewage Sludge Compost Disposal on a Chernozem Soil: Impacts on Bacterial Activity and Nutrient Contents -- Abstract -- 1 Introduction -- 2 Materials and Methods -- 3 Results and Discussion -- 3.1 Nutrients and Humus Contents of Soils Impacted by Sewage Sludge Compost Disposal. , 3.2 The Modifications of Soil Biology Due to the Compost Amendment.

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