Tokyo University of Agriculture Repository / 東京農業大学リポジトリ
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Application to green plants using botanical light (power generation by plants) technology
Get PDF本研究では、社会実装に向けて、このボタニカルライトの技術を都市のグリーンインフラとして、都市緑化植物に応用するための知見を得ることを目的とした。その結果、対照区（土壌のみ）に比べて植物のある区域では電圧値が高いこと、都市緑化植物の種類（高木・低木・地被、落葉・常緑）によって電圧値に違いがあること、高木・低木・地被共に常緑植物による発電量が高いこと、特にタマリュウOphiopogon japonicus Ker. f. nanus fort.の電圧発生量が高いことが明らかとなった。さらには、ボタニカルライトによる発電には、地温と土壌水分量が影響していることが明らかになった。植物によって発電の持続性が付与されることがわかり、植物があることの有用性を確認することができた。今後、本研究の結果が、公園緑地の災害時の電源や室内緑化など、ボタニカルライトの実用化と都市緑化の価値創出の一助となることを期待する
Analysis of the Association between Protein Intake and Disability-Adjusted Life Year Rates for Alzheimer’s Disease in Japanese Individuals Aged over 60
Get PDFA case study of treating on an abandoned coppice of a local hospital to rehabilitate and recreation purposes
Get PDF" This paper shows a case where a hospital-owned secondary forest of broad-leaved trees, which had been abandoned for more than 30 years, was developed for patients’ rehabilitation and recreation at a regional hospital in Tokyo. The survey site is Ongata Hospital and its forest (approximately 6 ha) located in suburb of Hachioji City. The owned forest is mainly a secondary forest of broad-leaved trees. The tree layer consists of trees such as Quercus serrata, Q. acutissima, and Castanea crenata, as well as Zelkova serrata, Celtis sinensis, and Magnolia ovobata. The forest floor is thriving with Sasamorpha borealis. As of September 2020, the tree density before maintenance was around 4,000 to 6,000 trees per a ha, and the average relative light intensity in the forest was around 5 %.Clearing and thinning work on this forest block began in October 2020 and continued until September 2022. The tree density decreases to 1,500 trees/ha in 2021 and to 300 to 500 trees per a ha in 2022. The average relative illuminance improved to around 15 to 30 %. The number of confirmed tree species on the forest floor was around 40. The thinned wood was used to create rest benches, walking paths and occupational therapy of patients. Key-words: secondary forest, thinning, Sasamorpha borealis, forest therapy, Hachioji City
Occurrence of Larinus (Phyllonomeus) latissimus Roelofs, 1873 (Coleoptera: Curculionidae: Lixinae), a potential pest for Cirsium brevicaule from the Yaeyama Islands, the Ryukyu Islands, southwestern Japan
Get PDFEffects of Temperature, Precipitation, and Sunshine on Cold-Tolerant Wheat Yield Under Warming Trends: A 20-Year Study in Hokkaido, Japan
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Grazing by the mysid Neomysis mirabilis during the warm season in a coastal lagoon in northeastern Japan
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Hogg and Some Border Ballads－Intertextual Landscapes by the Use of QGIS－
Get PDF本研究は、QGISを用いてホッグの 'The Laird of Lairistan' といくつかの境界地方のバラッドに登場する地名を地図化し、相互的な関連性や文化的記憶を明らかにするとともに、文学分析における地理空間的手法の有効性を示す。Using QGIS, this study maps place names in Hogg’s 'The Laird of Lairistan' and some border ballads, revealing intertextual links and cultural memory while highlighting geospatial methods’ value for literary analysis
