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Genetic diversity in Japanese populations of the Eurasian Collared Dove

Avian Research 2020年第2期11卷 133-138页

作者： kazuya nagai Yusuke Takahashi Ken‑ichi Tokita Tomomi Anzai Kiyoshi Uchida Fumihito Nakayama Faculty of Agriculture Iwate UniversityMoriokaIwate 020‑8550Japan Research and Education Centre for Natural Sciences Keio UniversityYokohamaKanagawa 223‑8521Japan Japan Wildlife Research Centre KotoTokyo 130‑8606Japan Satoyama Natural History Study Group AbikoChiba 270‑1153Japan.

Background:Eurasian Collared Dove(Streptopelia decaocto)is a species distributed in the Eurasian continent and North Africa,and inhabiting mainly in Saitama Prefecture in *** Collared Dove is one of the most prosper-ous invaders in the world,and Japanese Eurasian Collared Dove has also been introduced from *** Japa-nese population has declined to one-hundredth over 30 years and is being *** this study,we analyzed its genetic diversity in order to understand the genetic differences between wild populations of Eurasian Collared Dove and those bred in ***:A sequence of about 1.9 kb mtDNA was determined for 20 wild Eurasian Collared Doves living in Saitama,Japan and 20 zoo-bred Eurasian Collared Doves,and population genetic analysis was ***:In the COI gene,778 bp had the same sequence in all the 40 individuals examined,and no mutation sites could be *** the control region,two base substitution sites were confirmed in 1140 bp long *** haplotypes were detected in 20 individuals in wild,whereas all 20 zoo-bred individuals possessed the same haplotypes possessed in the wild ***:Haplotypes of zoo-bred individuals were also retained among the wild individuals,confirming that no genetic problems could occur if the zoo-bred individuals were released to the wild for the Japanese Eurasian Collared Dove propagation program.

关键词： COI Control region Eurasian Collared Dove Genetic diversity mtDNA Phylogeography

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Genetic Diversity and Structure in Japanese Populations of the Osprey (<i>Pandion haliaetus</i>), Based on mtDNA

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Open Journal of Genetics 2021年第3期11卷 42-55页

作者： kazuya nagai Takayuki Sakakibara Atsuki Azuma Faculty of Agriculture Iwate University Iwate Japan Research and Education Centre for Natural Sciences Keio University Kanagawa Japan Graduate School of Agriculture Hokkaido University Hokkaido Japan Civil Engineering & Eco-technology Consultants Co. Ltd. Tokyo Japan

Osprey is a type of bird of prey that lives almost all over the world. In Japan, it is designated as a near-threatened species because it has less than 1000 individuals. In recent years, it inhabits more inland than in coastal areas. In this study, we conducted a population genetic analysis focusing on what kind of genetic structure Japanese Osprey retains and whether there are differences between coastal and inland populations. We also performed genetic diversity assessments. We sequenced about 2.3 kb of mtDNA for 27 individuals in Japan, and phylogenetic analysis, network analysis, neutrality test and mismatch distribution analysis were performed. Eighteen haplotypes were detected in 27 individuals, indicating that genetic diversity was sufficiently high. Both unique and common haplotypes were detected between inland and coastal populations, suggesting gene flow between the two populations. Phylogenetic analysis results show no genetic differentiation in the Japanese Osprey population. From the results of network analysis, neutrality test and mismatch distribution analysis, it was inferred that the Japanese Osprey had a population expansion in the past. This study indicated that the dispersion of Japanese Osprey was random and there were no restrictions on the breeding area. The information presented here can be used towards implementing future conservation actions.

关键词： Genetic Diversity Osprey MtDNA Phylogeography Cytochrome b Control Region

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Comparison of base running in baseball players and track-and-field athletes

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Health 2011年第1期3卷 26-31页

作者： Kazuyoshi Miyaguchi Shinich Demura kazuya nagai Yu Uchida 不详

This study aimed to examine the relationship be-tween sprint ability and base running of baseball players and track-and- field (T&F) athletes, and to identify the association between sprint ability and running skill on base running. The subjects were 25 male university baseball players and 15 male T&F athletes without baseball experience. The straight sprint time of 54.8 m and 109.6 m (corresponding to the distance to second and home) was measured. In the home run test, the times to reach each base were measured. In the second base run test, the actual running distance and 3 m section time around the first base were measured. Base running efficiency was obtained by dividing the base running time by the straight sprint time. T&F athletes showed higher values than baseball players only in the 109.6 m straight sprint time (P < 0.05, ES=1.35). Baseball players were significantly superior to T&F athletes in terms of base running efficiency. As for 3 m section times, baseball players showed significant and higher values. The straight sprint time showed significant and high correlations (r = 0.87, 0.90) between the 109.6 m run and the run home and be-tween the 54.8 m run and the second base run in baseball players, but not in T&F athletes. It was found that superior sprint ability does not always lead to good base running. In base running, it is important to run outward to some extent. In particular, the skill acquisition of base running in 3 m sections around the base will contribute to shortening base running time.

关键词： Sprint Ability Running Skill Efficiency Baseball

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创造“充满光·绿·水的环境”--日本东京都健康长寿医疗中心

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中国医院建筑与装备 2016年第5期17卷 55-58页

作者：室殿一哉(日) 永井丰彦(日) 青山彻(日) 名和杏子(日) 杨田田(译) 佐藤综合计画不详

东京都健康长寿医疗中心位于东京都板桥区,占地面积为10402.28m^2,建筑面积为61619.45m^2,设有床位550张,其中单床室199间,3床室2间,4床室82间,特別室3间,ICU、CCU为14间。该中心设有门诊楼和住院楼,地下2层、地上12层、天台屋1层。

关键词：门诊楼日本东京都占地面积住院楼认知障碍老年人医疗单人病房老年人生活质量立面设计照射强度

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