By Tomoko M. Nakanishi (auth.), Tomoko M. Nakanishi, Keitaro Tanoi (eds.)
Following the Fukushima nuclear coincidence, a wide quantity of tracking facts has been accumulated concerning the soil, air, airborne dirt and dust, and seawater, besides information approximately an important variety of meals provided to the industry. Little is understood, although, in regards to the impact of radioactive fallout on agriculture, information regarding that's important. even though greater than eighty% of the broken sector is said to agriculture, in situ info in particular for agriculture is scarce. This e-book offers facts in regards to the real move and accumulation of radioactivity within the ecological system—for instance, even if particles deposited on mountains could be a explanation for secondary infection, below what stipulations crops collect radioactive cesium of their fit to be eaten components, and the way radioactivity is transferred from hay to exploit. simply because agriculture is so heavily regarding nature, many experts with assorted components of workmanship needs to be desirous about answering those questions. relating to rice, researchers in rice cultivation in addition to in soil, hydrology, and radioactivity size are operating jointly to bare the trails or accumulation of radioactivity within the box. For this objective, the Graduate university of Agricultural and lifestyles Sciences of The collage of Tokyo has assorted amenities on hand all through Japan, together with farmlands, forests, and meadowlands. Many educational employees contributors have shaped teams to behavior on-site study, with greater than forty volunteers engaging. This publication offers the knowledge gathered from the one undertaking being systematically performed throughout Japan after the Fukushima accident.
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Additional info for Agricultural implications of the Fukushima nuclear accident
Inhibition of Cs absorption by the addition of K has also been shown in hydroponics and soil cultures (Smolders and Tsukada 2011), suggesting that Cs is taken into plants through K transporters. It is also known that the antagonism of K in Cs absorption is restricted, and under excessive Cs/K ratios, the effect is very much limited. A number of K transporters have been identified in plants, and Cs transport has been demonstrated for several of these K transporters. The KUP/HAK/KT family, the family of high-affinity K+ transporters, has been shown to participate in Cs absorption (White and Broadley 2000).
Several transporters for cesium have been described. The distribution of cesium in the rice plant body differs from that of potassium, suggesting differential transport/storage mechanisms for cesium and potassium in rice. Cesium concentration in rice differs among cultivars, and it would be possible to determine the gene(s) responsible for cesium uptake/accumulation in future. This knowledge will form the foundation for the development of low radiocesium-accumulating cultivars. 1 Introduction After the Fukushima Daiichi nuclear power plant accident in March 2011, radioactive nuclides were emitted and widely diffused in the environment, including across agricultural areas in Japan.
Therefore, we performed several types of 137Cs tracer experiments in our laboratory. 5 Time-Course Analysis of Radiocesium Uptake and Translocation in Rice… 39 Fig. 1 Macro RRIS. The system consisted of a plant box with a fiber optic scintillator, a signal detection and multiplication component, and the monitor. 2 Application of Macro RRIS for Quantification of 137Cs Signals To understand each translocation process separately, the real-time imaging analysis of 137Cs migration through a whole plant could provide convincing information based on the non-destructive and continuous analysis of a single plant.
Agricultural implications of the Fukushima nuclear accident by Tomoko M. Nakanishi (auth.), Tomoko M. Nakanishi, Keitaro Tanoi (eds.)