Agricultural Implications of Fukushima Nuclear Accident (IV) : : After 10 Years.

• Author: Nakanishi, Tomoko M.
• TeilnehmendeR: Tanoi, Keitaro.
• Place / Publishing House: Singapore : : Springer,, 2023.; Ã2023.
• Year of Publication: 2023
• Edition: 1st ed.
• Language: English
• Physical Description: 1 online resource (281 pages)

Table of Contents

Intro -- Foreword -- Preface -- Acknowledgement -- Contents -- Chapter 1: An Overview of Our Research -- 1.1 Introduction -- 1.1.1 Soil -- 1.1.2 Water -- 1.1.3 Mountain -- 1.1.4 Others -- 1.2 Conclusion -- References -- Chapter 2: Recovery of Food Production from Radioactive Contamination Caused by the Fukushima Nuclear Accident -- 2.1 Post-Fukushima Daiichi Nuclear Power Plant Accident Safety Measures for Agricultural Products Produced in Fukushima Prefec... -- 2.2 Current Status of Agricultural Products from Fukushima Prefecture -- 2.3 Future Prospects -- References -- Chapter 3: Annual Reduction of Transfer Factors of Radiocesium from Soil to Rice Cultivated in a KCl Fertilized and Straw Plow... -- 3.1 Introduction -- 3.2 Materials and Methods -- 3.2.1 Test Field, Rice Cultivation, and Sampling -- 3.2.2 Measurement of Radiocesium and Exchangeable Cations -- 3.3 Results and Discussion -- 3.3.1 Yearly Change of 137Cs in Brown Rice, Straw and Paddy Soil -- 3.3.2 Yearly Change of Transfer Factors of 137Cs to Brown Rice and Straw from Soil -- 3.3.3 Analysis of Exchangeable 137Cs Fraction in the Soil Sampled in 2019, 2020 and 2021 -- 3.4 Conclusive Remark -- References -- Chapter 4: Effects of Radioactive Cesium from Suspended Matter and Fallout on Agricultural Products -- 4.1 Introduction -- 4.2 Effects of Radioactive Cs from Suspended Matter and Fallout on Japanese Mustard Spinach (Komatsuna) -- 4.3 Secondary Contamination Due to Fallout -- 4.4 Characteristics of Radioactive Fallout -- 4.5 Relationship Between Fallout Adhesion and Meteorological Factors -- 4.6 Conclusions -- References -- Chapter 5: Verification of Uptake and Transport Properties of Cesium in Hydroponically Cultivated Quercus serrata -- 5.1 Introduction -- 5.2 The Effect of K Nutrition on the Cs Content -- 5.3 Inhibition of Cs+ Uptake Through Competition Between K+ and Cs+.

5.4 Uptake and Transport of Cs+ in Oak and Rice Plants -- 5.5 Conclusions -- References -- Chapter 6: Candidates for Breeding Target Genes Related to Cesium Transport in Plants After the Fukushima Daiichi Nuclear Powe... -- 6.1 Introduction -- 6.2 Potassium Transporters, KUP/HAK/KT Family -- 6.3 SNARE Sec22p/SEC22 -- 6.4 ATP-Binding Cassette (ABC) Proteins, ABCG37 and ABCG33 -- References -- Chapter 7: Evaluation of the Absorption of Different Forms of Cesium from Soil -- 7.1 Introduction -- 7.2 Cesium in Each Fraction of Soil -- 7.3 Intercrop Differences in 137Cs and 133Cs -- 7.4 Transfer Factor for Cs Present in Each Fraction -- 7.5 K Fertilization Suppresses the Absorption of Each Cs Fraction -- References -- Chapter 8: Structure, Composition, and Physicochemical Properties of Radiocesium-Bearing Microparticles Emitted by the Fukushi... -- 8.1 Introduction -- 8.2 CsMP Structure and Composition -- 8.2.1 Silicate Glass Matrix of CsMPs -- 8.2.2 Nanoparticles in CsMPs -- 8.2.3 CsMPs with Irregular Forms and Different Compositions -- 8.3 Physicochemical Properties of CsMPs -- 8.3.1 Thermal Properties of CsMPs -- 8.3.2 Dissolution Properties of CsMPs -- 8.4 Discrimination of CsMPs in Contaminated Samples -- 8.5 Concluding Remarks -- References -- Chapter 9: Verification of Effects on Crops and Surrounding Environment in Agriculture Using Radioactively Contaminated Grass ... -- 9.1 Compost Derived from Grass Silage Contaminated with Radioactive Cesium -- 9.2 Pasture Cultivation Using Compost Derived from Radioactively Contaminated Grass Silage -- 9.3 Conclusion -- References -- Chapter 10: Transport of 137Cs into Fruits After External Deposition onto Japanese Persimmon Trees -- 10.1 Introduction -- 10.2 Materials and Methods -- 10.2.1 Preparation of 137Cs Solution -- 10.2.2 Measurement of the Amount of 137Cs Applied to Various Organs.

10.2.3 Transport into Japanese Persimmon Fruits of 137Cs Applied on Calyx and Leaves (EXP. 1) -- 10.2.3.1 Plant Material and Treatments -- 10.2.3.2 Sample Preparation -- 10.2.4 Effects of Leaf Position on the Transport into Fruit of 137Cs Applied on Leaves (EXP. 2) -- 10.2.4.1 Plant Material and Treatments -- 10.2.4.2 Sample Preparation -- 10.2.5 Effects of Fruit Load on the Transport into Fruit of 137Cs Applied on Leaves (EXP. 3) -- 10.2.5.1 Plant Material and Treatments -- 10.2.5.2 Sample Preparation -- 10.2.6 The Transfer Rate and Aggregated Transfer Factors into Fruits of 137Cs Applied on Fruiting Mother Shoots Before Sprouti... -- 10.2.6.1 Plant Material and Treatments -- 10.2.6.2 Calculation of the [137Cs] per Unit Area of Contaminated Fruiting Mother Shoot -- 10.2.6.3 Sample Preparation -- 10.2.7 Radiocesium Measurements -- 10.2.8 Transfer of 137Cs Applied on the Dormant Fruiting Mother Shoot into Organs and Measurement of the Aggregated Transfer F... -- 10.2.9 Data Analysis -- 10.3 Results -- 10.3.1 Transfer of 137Cs Applied on Calyx and Leaves at the Young Fruit Stage and the Fruit Growing Stage into Dropped Fruit a... -- 10.3.2 Effects of the Position Where 137Cs Was Applied onto Leaves on the Transfer into Japanese Persimmon Fruit (EXP. 2) -- 10.3.3 Effects of Fruit Load on the Transfer of 137Cs Applied onto Leaves into Persimmon Fruit (EXP. 3) -- 10.3.4 Transfer of 137Cs Applied on the Dormant Fruiting Mother Shoot into Fruit (EXP. 4) -- 10.4 Discussion -- 10.5 Limitations -- References -- Chapter 11: Progress Toward Managing Radiocesium Contamination in Orchards -- 11.1 Introduction -- 11.2 FDNPP Disaster and Radioactive Contamination of Orchards -- 11.2.1 Radiocesium Contamination of Fruit and Leaves in the First Year After the FDNPP Disaster -- 11.2.2 Radiocesium Contamination of the Bark and Tree in the First Year After the Disaster.

11.2.3 Radiocesium Contamination of Soil and Grass in the First Year After the Disaster -- 11.3 Elucidation of Radiocesium Uptake by Tree Bodies and Fruit, and Transfer Routes -- 11.3.1 Radiocesium Transfer from the Bark to Inside -- 11.3.2 Distribution of Radiocesium in Peach Tree Bodies Five Months After the Disaster -- 11.3.3 Transfer from Soil to Fruit -- 11.4 Development of Techniques to Reduce Radiocesium Content in Trees and Orchards -- 11.4.1 Time-Course of Radiocesium Content in Mature Peaches Using Fruit Thinning -- 11.4.2 Reducing Fruit Radiocesium Concentrations by Bark Washing -- 11.4.3 Reducing Transfer to Fruit by Pruning and Cutting the Trunk -- 11.4.4 Soil Radiocesium Elimination and Aerial Radiation Dose Reduction by Topsoil Stripping -- 11.5 Progress Toward Restarting Anpo-Gaki Shipment: Persimmons for Making Anpo-Gaki and Product Control -- 11.5.1 Restarting Shipments of Persimmons for Anpo-Gaki -- 11.5.2 Anpo-Gaki Product Control -- 11.6 Societal Implementation of Study Results -- 11.7 Conclusions and Future Issues -- References -- Chapter 12: Overview of Radiocesium Dynamics in Forests: First Decade and Future Perspectives -- 12.1 Introduction -- 12.2 Decrease in Radiation Dose in Forests -- 12.3 Intensively Investigated Parts of Forests -- 12.4 Radiocesium Dynamics in Forests -- 12.4.1 Trees to Soils -- 12.4.2 Soil -- 12.4.3 Wood -- 12.4.4 Wild Food in Forests -- 12.5 New Features Captured in Fukushima -- 12.6 Future Prediction -- 12.7 Conclusion -- References -- Chapter 13: Toward the Estimation of Radiocesium Activity Concentration in Trunks of Coppiced Quercus serrata: Leaf Availabili... -- 13.1 Introduction -- 13.2 Materials and Methods -- 13.2.1 Data -- 13.2.2 Analysis -- 13.3 Results and Discussion -- 13.3.1 Seasonal Stability of Leaf 137Cs Activity Concentration.

13.3.2 137Cs Activity Concentration in Current-Year Branches, Estimated Using Sampled Leaves -- 13.4 Conclusions -- References -- Chapter 14: Decomposition of Organic Matters in a Forest Floor Enhanced Downward Migration of Radioactive Cs After the Acciden... -- 14.1 Introduction -- 14.2 Study Site and Methods -- 14.3 Results and Discussion -- 14.3.1 Surface Conditions and Soil Layers -- 14.3.2 Organic Carbon and Carbon/Nitrogen Ratio -- 14.3.3 Radioactive Cs Distributions -- 14.3.4 Effects of Surface Litter on the Migration of Radioactive Cs -- 14.4 Conclusion -- References -- Chapter 15: Effect of Exchangeable and Nonexchangeable Potassium in Soil on Cesium Uptake by Quercus serrata Seedlings -- 15.1 Introduction -- 15.2 Materials and Methods -- 15.2.1 Sampling of Native Seedlings and Soils -- 15.2.2 Extraction of K and 133Cs from Soil -- 15.2.3 Decomposition of Current-Year Shoots and Measurement of 133Cs Concentrations -- 15.3 Results -- 15.3.1 Relationship Between Soil K Concentrations and TF -- 15.3.2 Relationships Between Soil K Concentrations -- 15.3.3 Soil HNO3-Cs Concentration and Its Relationship with 133Cs Contents in Shoots -- 15.3.4 Relationships Between Soil K Concentrations and K Contents of Shoots -- 15.3.5 Relationship Between TF and Soil Carbon and Nitrogen Contents -- 15.4 Discussion -- References -- Chapter 16: Ten-Year Transition of Radiocesium Contamination in Wild Mushrooms in the University of Tokyo Forests After the Fu... -- 16.1 Introduction -- 16.2 Research Sites and Sampling -- 16.3 Gamma Ray Air Dose Rate at the Mushroom Collection Sites (Fig. 16.1) -- 16.4 Dynamics of Radiocesium Contamination in the University of Tokyo Forests -- 16.4.1 Overall Trends (Fig. 16.2) -- 16.4.2 Trend at the Same Sampling Sites (Fig. 16.3) -- 16.5 Examples of Radiocesium Transfer at the Same Sampling Sites (Fig. 16.4).

16.6 Transfer of Radiocesium-Changes in Decay Corrected 137Cs/134Cs Radioactivity Ratio in Each University Forest (Fig. 16.5).