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  • 沖縄
    県畜産課
    西日本畜産学会報
    1976年 19 巻 29-33
    発行日: 1976/07/15
    公開日: 2010/08/25
    ジャーナル フリー
  • 崎原 盛造, 西 貴世美, 當山 冨士子, 宇座 美代子, 平良 一彦
    民族衛生
    1994年 60 巻 2 号 67-84
    発行日: 1994/03/31
    公開日: 2010/06/28
    ジャーナル フリー
    This paper focused on malaria epidemic in Ryukyu Islands during World War II with special reference to Yaeyama Islands to prove whether malaria outbreak in Yaeyama in 1945 was unusual, by reanalyzing published data by various researchers and unpublished documents of the U.S. military Government that occupied Ryukyu Islands from 1945 to 1972. The following results were obtained: 1) Outbreak of malaria in the Ryukyu Islands in a period from 1945 to 1947 was caused by great alteration of biologic balances due to military operations by Japanese Army. 2) Compared with those in Miyako and Okinawa Islands, fatality from malaria in Yaeyama in 1945 was extraordinarily high. 3) Forced evacuation of the inhabitants to malaria endemic areas by the Japanese Army caused exceptionally high incidence, mortality and fatality in Yaeyama. 4) Of species of malaria parasites, malignant P, falciparum was predominant in Yeayama. P. vivax was preponderant both in Miyako and Okinawa Islands . 5) In Okinawa Islands, intensive mosquito control measures were initiated by the US Army when they landed the Island in April 1945. But in Miyako and Yaeyama Islands, only partial chemotherapy was administered, not full scale mosquito control activities . In conclusion, unusual outbreak of malaria epidemic in Yaeyama in 1945 was mostly attributed to the forced evacuation of the inhabitants to malaria endemic areas by the Japanese Army.
  • 9. 八重山群島のらい
    犀川 一夫
    医療
    1984年 38 巻 5 号 526-529
    発行日: 1984/05/20
    公開日: 2011/10/19
    ジャーナル フリー
    八重山
    群島
    に属する石垣市, 竹富町, 与那国町のらい発生状況を, 昭和11年より昭和57年までの46年間, 同
    群島
    でとられてきたらい対策の状況と共に調査した. 八重山
    群島
    内には昔かららいの施設がなく, 旧
    沖縄県時代及び米国民政府の前半までは群島
    内の患者は他の地域の施設に入所するといつたことで隔離政策も不十分であつた. 昭和42年, 日本政府の対琉球政府医療援助として学童のらい検診が実施され, 又昭和36年八重保健所はらいを地域の公衆保健活動の中に含め, 所内でらいの在宅治療を開始した. 以来発生患者は着実に減少し, 八重山
    群島
    のらいは現庄鎮静期に入つた. すなわち昭和42年度の発生患者は50名であつたが, 昭和57年度は1名となり, 小児らいも石垣市は昭和54年, 竹富町は昭和49年, 与那国町は和和47年より発生を見なくなつた. ただ石垣市は近年都市型らいの様相を呈し, 今後の八重山
    群島
    のらい対策の焦点は石垣市に置かれるべきである.
  • 嶋田 陽一
    土木学会論文集B2(海岸工学)
    2021年 77 巻 2 号 I_319-I_324
    発行日: 2021年
    公開日: 2021/11/04
    ジャーナル フリー

     

    沖縄
    諸島・奄美
    群島
    周辺において漂流漁船,タンカー事故による流出油が漂着した事例より,漂流物が
    沖縄
    諸島・奄美
    群島
    周辺へ移動する経路を調べた.気象庁提供の漂流型海洋気象ブイロボット(以下,ブイ)の観測データを解析した.南向きの風を受けたブイは黒潮流域から時計回りに奄美
    群島
    北部へ移動し,あるいは
    沖縄
    諸島・奄美
    群島
    の西側に沿って南下する傾向を示す.このブイの軌跡は上記の事例と対応する.伊豆・小笠原海嶺周辺を始点とするブイは,奄美
    群島
    周辺へ移動する軌跡が
    沖縄
    諸島周辺へ移動する軌跡よりもばらつきが小さい傾向を示す.

  • ―奄美・沖縄の固有性に注目して―
    農中 至, 山城 千秋
    社会教育学研究
    2023年 59 巻 29-40
    発行日: 2023年
    公開日: 2023/06/30
    ジャーナル オープンアクセス

      This study focuses on the U.S. occupation periods in Amami and Okinawa and aims to identify commonalities and differences in the postwar youth group movements on each island. It also aims to determine differences in the youth group movements in Amami and Okinawa, which have been combined, and confirm the uniqueness of the youth group movements in each region.

      When considering the uniqueness of the youth group movement in Amami and Okinawa, a total view of the islands should be taken while keeping in mind the geographical division of the four archipelagic government systems. The establishment of the Ryukyuan Government in 1952 placed Amami and Okinawa under the same administrative regime, at least temporarily. The 1950s was the period of occupation and a time when Amami and Okinawa’s movements to return to their homeland overlapped. Although interlocking movements occurred during the same period, most studies tended to discuss Amami and Okinawa separately.

      Therefore, this study focuses on the unique youth group movements in Amami and Okinawa during the occupation period from the islands and municipalities to the unit youth group stage. It examines the unique nature of the youth group movements in Amami and Okinawa, considering the multilayered nature and differences of the youth group movements under the U.S. occupation.

  • 第2報 地域別疫学的状況
    犀川 一夫
    レプラ
    1975年 44 巻 3 号 150-162
    発行日: 1975/09/30
    公開日: 2008/12/10
    ジャーナル フリー
    The leprosy epidemiological status on four areas in the Ryukyu Island, mainland Okinawa, Okinawa Islands Miyako Archipelago and Yaeyama Archipelago is analyzed by Leprosy Prevalence Rate (P.R.), Incidence Rate (I.R.), Lepromatous Incidence Rate (L.I.R.), Lepromatous Ratio (L.Ratio) and Percentage of Onset Age which were collected from 1931 to 1974. The assessment on the data shows that the different epidemiological situation is observed in four areas. The average P.R. and I.R. in the Island is 1.81o/oo and 2.28.o/oo. The P.R., I.R. and L. Ratio of Irabu Village in Miyako Archipelago, the highest leprosy endemic village, in 1974 were 10.10o/oo, 2.0o/oo and 0.44o/o. On the contrary these rates in Ginowan City of the central part of mainland Okinawa were 0.38o/oo, 0.01 o/oo and 0o/o. Generally the decline of leprosy occurence is observed in three areas except Miyako Archipelago at the present time. Especially the epidemio- logical situation in Nakazato village in Okinawa Island has been improved very much since 1966, i.e. it's I.R. was 0.84o/oo and L.I.R. 0.44o/oo in 1950 but I.R. was 0.27o/oo and L.I.R. 0.05o/oo in 1974. The highest leprosy endemic area in the Island is Miyako Archipelago where P.R. is 6.47o/oo, I.R. 0.45o/oo, L.I.R. 0.18o/oo and L.Ratio 40% in 1975. Leprosy disease in Miyako Archipelago is one of the most important problems and its control program should be done on the level of public health services.
  • 藥師寺 恒紀
    水資源・環境研究
    2015年 28 巻 1 号 82-88
    発行日: 2015年
    公開日: 2015/07/11
    ジャーナル フリー
     伊豆諸島にある利島(東京都)には、樹幹流をせき止めて雨水を集める伝統的な集水法があり、「シデ」と呼ばれている。本論では、これと類似した集水法を「シデ様雨水集水法」と定義し、国内外における分布や小規模雨水集水法としての位置づけを明らかにすることを試みた。利島および与論島(鹿児島県)でのフィールド調査、アンケートや文献を用いた国内分布調査、そして文献やインターネットを用いた国外分布調査を実施した。その結果、シデ様雨水集水法は国内外含め、広く西太平洋地域に分布しており、いずれも類似した構造をもっていることが分かった。また、ある程度の降水量があること、それに地下水に乏しいといった条件が、シデ様雨水集水法の存在と大きく関わっていることが明らかになった。
  • 仲松 彌秀
    地理学評論
    1942年 18 巻 4 号 319-343
    発行日: 1942/04/01
    公開日: 2008/12/24
    ジャーナル フリー
  • 伊藤 洋
    植物学雑誌
    1938年 52 巻 622 号 532-538
    発行日: 1938年
    公開日: 2007/05/24
    ジャーナル フリー
  • 第1報寄生虫卵保有状況
    坂本 弘, 与那嶺 尚, 熱田 裕, 奥田 博, 伊志嶺 亮
    民族衛生
    1961年 27 巻 5 号 474-478,A25
    発行日: 1961年
    公開日: 2010/11/19
    ジャーナル フリー
    We examined on parasite infestation 8101 pupils of 14 elementary and 9 junior high schools at Miyako-Island in Ryukyu.
    About 60% of pupils of these schools underwent our examination.
    These 23 schools were divided into 3 groups such as urban are, rural area, and fishing villages.
    It was found that the incidence of ascaris infection among the pupils lived at fishing villages was the highest (32.6%), and that the incidence of the ancylostomiasis among the pupils in rural area was the highest (25.3%), especially the hookworn incidence of the pupils of rural janior high school showed very high.
    About the enterobiasis, there is no differrnce among these 3 groups.
  • 8. 宮古群島のらい
    犀川 一夫
    医療
    1984年 38 巻 4 号 419-422
    発行日: 1984/04/20
    公開日: 2011/10/19
    ジャーナル フリー
    宮古
    群島
    に属する各市町村, 平良市, 城辺町, 上野町, 下地町, 伊良部町及び多良間村のらい患者発生状況を昭和6年以降昭和57年までの51年間について調査した. これら各地域のらい発生状況の推移を宮古
    群島
    においてこれまでとられてきたらい対策と共に観察すると, 宮古
    群島
    のらい患者の発生は, 昭和42年度をピークに以後漸次減少し, 現在小児らい患者の発生状況の好転から推測しても, 鎮静期に入つたと考えられる. これらは昭和42年に日本政府の対琉球政府援助によつて実施されてきた「らい感染源対策」が効果を示したことと, 昭和43年以来始められたらいの在宅治療による治療管理が大きく寄与したものと思う.
    ただこのなかにあつて近年都市化の進みつつある平良市のらいが「都市型らい」の様相を呈してきたことは, 今後宮古
    群島
    のらい対策の焦点が平良市にしぼられていくべきであることを示している.
  • 山口 景子
    民族衛生
    1992年 58 巻 6 号 307-319
    発行日: 1992/11/30
    公開日: 2010/06/28
    ジャーナル フリー
    Influences of epidemic of Falciparum malaria on the population dynamics of communities and families before the introduction of modern medicine for the prevention and treatment of malaria were evaluated in Yaeyama Islands in Okinawa Prefecture. Population growth and structure in a period (1880-1911) in the Meiji era were compared between 4 hamlets each in the highly infected Iriomote Island (M [Main]-Island) and in the non-infected neighboring peripheral islands (P [Peripheral]-Islands). Although malaria was not endemic in P-Islands, the inhabitants of these islands were also exposed to malaria because they temporarily visited M-Island for cultivating rice and collecting forest resources. Changes of population were examined during two successive periods: period I (1880-1903), during which free moving between hamlets was prohibited by the poll tax law; and period 11 (1903-1911), after the abolition of the law. The results are summarized as follows: 1) The prevalence of malaria in all ages of both sexes was prominently higher in M-Island (26.5%) than in P-Islands (3.4%). The difference in prevalence was prominent among children aged 0-9 years: over 70% in M-Island vs. much less in P-Islands. The prevalence among women in the reproductive age was also higher in M-Island than in P-Islands. 2) Both population and number of households in M-Island hamlets slightly decreased (median was -2.7%o/year in population and -1.2%o/year in households) in period I. This decreasing trend was accelerated in period II (-21%o in population and -13 .5%o in households) by emigration. On the other hand, those in P-Islands highly increased throughout both periods (period I, 16%o increase in population and 18%o in households; period II, 11.8%o in population and 4%o in households). The household members in MIsland hamlets was significantly smaller (median was 3.47 in period I and 3.4 in period II) than in P-Islands (4.75 in period I and 5.74 in period II) in both periods. 3) In period I, when migration was restricted, the ratios of number of children aged under 15 years and of older persons over 50 to the adults aged 15-49 were significantly smaller in M-Island than in P-Islands. 4) The vital statistics in period I were estimated by the West type's stable population model. Crude and infant death rates were significantly higher in M-Island than in PIslands. Life expectancy was also significantly shorter in M-Island. No statistically significant difference in crude birth rate was found between M-Island and P-Islands presumably of a larger variation among the hamlets in M-Island than in P-Islands. 5) These results suggest that the population decrease in M-Island in period I was caused by the high death rate in particular among children due to malaria and related complications. In P-Islands, it is inferred that malaria was only prevalent among men of working age, who engaged in inter-insular cultivation. The low death rate among children and high birth rate in P-Islands are attributable to this communal preventive behavior system against malaria. This probably contributed to the high population growth rate. For the malaria control measures of the day, further efforts should be paid to the evaluation of preventive behavior system focused on children and mothers.
  • 鈴木 明彦, 圓谷 昂史
    漂着物学会誌
    2018年 16 巻 9-16
    発行日: 2018/12/25
    公開日: 2022/07/26
    ジャーナル オープンアクセス
    Molluscs drifted on the coast of Amami-Oshima in Amami Islands were examimed. Drifted shells were collected from twenty sites at ebb tide in late January 2017 and 2018. The Amami-Oshima molluscan fauna is composed of 177 species of shelled molluscs, 60 bivalves and 117 gastropods. The fauna is also dominated by rocky-shore species such as Barbatia fusca, Chama japonica, Nerita albicilla, Strombus luhuanus etc. The fauna contains many coral reef elements such as Tridacna maxima, Cypraea annulus and C.moneta. From the specific composition, the fauna is convincely assigned to tropical marine climate.
  • 小池 利桂
    ランドスケープ研究
    2022年 86 巻 2 号 102-105
    発行日: 2022/07/30
    公開日: 2022/11/10
    ジャーナル フリー
  • 鈴木 明彦, 圓谷 昂史
    漂着物学会誌
    2015年 13 巻 9-14
    発行日: 2015/12/25
    公開日: 2022/08/30
    ジャーナル オープンアクセス
    Molluscs drifted on the coast of Kikai-jima in Amami Islands are studied. Drifted shells are collected from ten sites at ebb tide in late June, 2014. The Kikai molluscan fauna is composed of 94 species of shelled molluscs, 36 bivalves and 58 gastropods. The fauna is also dominated by rocky-shore species such as Barbatia fusca, B.lacerata, Strombus luhuanus, Cypraea caputserpentis, Conus flavidus etc. The fauna contains many coral reef elements such as Tridacna crocea, T.maxima, Cypraea annulus and C.moneta. From the specific composition, the fauna is assigned to tropical marine climate.
  • 太田 英利
    爬虫両棲類学雑誌
    1981年 9 巻 2 号 54-60
    発行日: 1981/12/30
    公開日: 2009/03/27
    ジャーナル フリー
    Six species of reptiles and amphibians were collected on Hateruma Island, Ryukyu Archipelago, in March and in August 1981. They are: Microhyla ornata, Rana limnocharis, Hemidactylus frenatus, Eumeces stimpsoni, Scincella boettgeri, and Rhamphotyphlops braminus. Of these, the record of E. stimpsoni was the first one for this island. The specimens of this species, collected in March, included two yearlings both of which were already sexually mature.
  • 坂下 雅一
    国際政治
    2012年 2012 巻 170 号 170_76-170_92
    発行日: 2012/10/25
    公開日: 2014/10/26
    ジャーナル フリー
    Based on R.Brubaker’s sociological framework for “eventful” nationalisms,this paper presented the formation processes of the dominant “we” vision (so called “national identity”) of the post-war Okinawa in the early 1950s. It focused on the transaction between the vision formation and the institutions/policies of the two relating governments, the U.S. and Japan.
    The term “Complex Nation” refers to the “we” vision represented by simultaneous employment of the two different categories of “nation”, in this case “Japanese” and “Okinawan”. This concept was introduced to avoid the dominant, but theoretically invalid presumption that see “national identities” are mutually exclusive.
    In pre-WWII Okinawa, the modern “we” vision was formulated as a distinctive ethnic group that constitutes a segment of the Japanese nation. The term “Okinawan” was not expressively linked to the thought of Self-Determination.
    This “we” vision, however, was destabilized when the Japanese rule was replaced by that of the American’s after the war. I argued that the reconfiguration processes of the “we” vision in the early post-war period may be revealed by paying attention to the formation and relating processes of the three Self-Determination derived ideals arose at that time. These are Jichi (self-governance), KeizaiJiritsu (economic self-support) of the Okinawan Nation and Fukki (reversion to the Japanese Nation).
    After verifying the fact that Jichi and keizaiJiritsu became idiomatic phases by 1950,
    I argued that the “national identity” formation processes of the two different vectors occurred simultaneously in 1951.
    One was the process of the strengthening Jichi and keizaiJiritsu ideals, caused by the American institutions/policies conflictive to these ideals.
    The frequent American interventions in the civil affairs that were supposed to be reserved for the self-governance of Okinawan left the Okinawa Gunto Government with little self-deciding power to practice.
    The keizaiJiritsu ideal, put forward by the Okinawa Gunto Government in its economic plan, was also denied by the U.S., because the “native” industrial growth was considered as of secondly importance.
    The resulted grievances strengthened the Okinawan’s normative attachment to Jichi and keizaiJiritsu ideals, and the vision of “we” as a self-determining subject.
    The process of the other vector, the formation and mainstreaming of Fukki proceeded simultaneously.
    The trade with Japan, reopened in 1950, constituted the structural factor. The Japanese government institutions/policies that established the tariff and non-tariff barriers against Okinawan commodities stimulated the Okinawan perception that the Okinawan export industries could only survive if it had a free access to the Japanese market, and placed under the Japanese Government protection.
    The actual reversionist movement arose when the negotiation on the political status of Okinawa after the peace treaty started between Japan and the U.S. in the early 1951.
    The “we” vision put forward by the reversionists, however, was qualitatively different from the “we” vision of the pre-war type since the category “Okinawan” now connoted “the self-determining subject”. What came into being was a frame of vision in which the two categories of self-determining subject are rhetorically connected to represent “we”.
  • 泊 惇, 脇阪 一郎, 柳橋 次雄
    民族衛生
    1987年 53 巻 2 号 87-96
    発行日: 1987年
    公開日: 2010/06/28
    ジャーナル フリー
     奄美大島,徳之島,
    沖縄
    のそれぞれにおける1977~1984年の8年間に発生したハブ咬傷の疫学像を比較し,以下の結果を得た. 1)8年間の咬傷発生数の推移をみると,徳之島と
    沖縄
    では減少傾向がみられたが,奄美大島ではほぼ一定の推移を示した. 2)人口1,000人当りの咬傷率には三地域間で大差があるが,農業人口1,000人当り及び農地面積100haあたりの咬傷率の地域間の差は減少している. 3)咬傷発生数の月別分布には地域差がみられ,咬傷のピークに,奄美大島と徳之島では6月,
    沖縄
    では10月にみられた. 4)気温,湿度の上昇と共に咬傷発生数は増加するが,気温の場合,24~26℃ でピークに達し,それ以上では再び減少した. 5)年間を通した場合,毎日の咬傷発生数の頻度分布は負の二項分布に適合したが,月別にみるとポワソン分布に適合する傾向が認められた. 6)一人当りの受傷回数の頻度分布を0項の欠けたポワソン分布とみなして推定した「咬傷危険人口」は,奄美大島,徳之島,
    沖縄
    で各々,12,787,15,873,9,877であり,全人口に対してそれぞれ,15%,46%,1%に相当した.
  • 高吉 克典, 国場 保, 比嘉 弘正, 松川 俊一, 大城 喜光, 多嘉良 功, 平田 勝男
    日本獣医師会雑誌
    1991年 44 巻 6 号 591-594
    発行日: 1991/06/20
    公開日: 2011/06/17
    ジャーナル フリー
    沖縄県八重山群島
    で1989年5月から6月にかけて, 発熱, 食欲不振または廃絶, 呼吸促迫, 流涎, 眼瞼腫脹, 筋肉の振戦破行, 起立困難または不能等を主徴とする牛の疾病が多発した. 牛流行熱 (BEF) ウイルスに対する発症牛の血清中和抗体の保有率は63%であった. 発症初期牛の血液中のパフィーコートから円形穎粒状の細胞変性効果を示すウイルスが分離された. 分離ウイルスは直径60-150nmの円錘型の形態を示し, BEFウイルス家兎免疫血清により中和された. これらの検査結果から, 八重山
    群島
    で発生した牛の疾病をBEFと診断した.
  • 新城 明久
    日本畜産学会報
    1976年 47 巻 7 号 423-429
    発行日: 1976/07/25
    公開日: 2008/03/10
    ジャーナル フリー
    宮古
    群島
    に飼養されている馬を年齢と改良の程度により,在来種,小型,中型および大型に分け体尺測定を行うとともに毛色および改良の経過を調査した.1) 体各部位は改良に伴いいずれの部位も著しく増大し,在来馬と大型馬の差は雌雄それぞれ体高は25,24cm,体長は19,20cm,胸囲は26,27cmであり,腰角幅は11,9cmであった.2) 体格は胴長で,頭が大きく,前躯が充実し,後躯の貧弱な在来馬から後躯の充実した大型馬へと変化した.3) 毛色は栗毛55%,鹿毛33%,青毛6%で粕毛,河原毛,月毛は少なかった.4) 昭和3年から50年までに外部から移入された種雄馬は合計48頭,そのなかで楽霧号,松風号,初輝号および賛宝号,いずれも宮崎県産の種雄馬が宮古馬の改良に大きく寄与した.5) 移入種雄馬の産地は宮崎県が24頭と最も多く,毛色は栗毛23頭,鹿毛21頭と多かった.品種はアングロアラブ系雑種とアングロノルマン系雑種の中半血種がほとんどで,ブルトン種は少なかった.6) 第二次世界大戦後,宮古島で生産された種雄馬は45頭であった.そのうち楽霧号の系統が父方と母方合せて28頭となっていた.さらに体型の変化と農耕の様式との関連について考察した.
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