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  • 粉体および粉末冶金
    2013年 60 巻 5 号 Pref5_1-
    発行日: 2013/05/15
    公開日: 2013/07/03
    ジャーナル オープンアクセス
  • 宇多 高明, 伊藤 弘之
    海洋開発論文集
    1993年 9 巻 49-54
    発行日: 1993年
    公開日: 2010/03/17
    ジャーナル フリー
    In the planning of the shore protection facilities the harmony with the coastal environment should be taken into consideration as well as their protective functions and construction costs. However these points have not been analyzed yet and the data necessary for the planning are inadequate. In this study the examples of the coastal facilities in harmony with coastal scenery were gathered. 70 photos of the facilities were collected from the 68 coasts in Japan. These facilities were classified depending types, such as (1) vertical, mildly sloping and stepped type sea walls or revetments, (2) artificial beaches, (3) groins, (4) headlands, (5) detached breakwaters and (6) artificial reefs. The relation between coastal scenery and shore protection facilities is closely described in each type.
  • 嶋津 信彦
    保全生態学研究
    2011年 16 巻 1 号 99-110
    発行日: 2011/05/30
    公開日: 2018/01/01
    ジャーナル オープンアクセス
    2010年6月22日から10月18日に沖縄島300水系において、延べ流程340kmを踏査し、外来水生生物31分類群と在来魚41分類群の分布を記録した。生物の確認は、主に川を歩いて遡りながらの目視観察で行われた。結果、外来水生生物の分布は、島の南部に多く、北東部で少なかった。カワスズメ属、グッピーおよびコイは順に141、120および54水系で確認された。セルフィンプレコ属やジルティラピア、アカミミガメなどは、人口密度の高い南部に分布が集中していた。一方、ダニオ属やプラティ、コウタイなどは、観賞魚であるが人口密度の低い北部でのみ記録された。絶滅危惧種をはじめ在来魚の分布は、北部と中西部に多かった。ソードテールは、北部での分布拡大が著しい外来魚であり、絶滅危惧種への影響も危惧される。
  • 熊本 博之
    平和研究
    2024年 61 巻 1-22
    発行日: 2024/01/31
    公開日: 2024/02/15
    ジャーナル フリー

    At the 1979 Peace Studies Association of Japan (PSAJ) conference held in Okinawa, Okinawan presenters bitterly criticized opinion leaders from mainland Japan who presented arguments that lacked a perspective on the Okinawan people. PSAJ accepted this criticism and deepened the concept of “Independence” by conducting discussions that respected the Okinawan local perspective. Despite this, the political reality in Okinawa has not changed. This is because“Independence” and“ Peace” have become unconditionally linked. In this paper, we examine what kind of “Independence”is required to realize“Peace” in Okinawa.

    First, I clarified that Okinawa is a “decision-maker without decision-making authority” by reviewing the history of the Futenma base relocation issue. Next, using the results of a survey of Okinawan citizens’ recognitions, I argued that some Okinawans have given up on the U.S. military base issues. Furthermore, I pointed out that the majority of Japanese society accepts the Japanese government’s attitude that has made Okinawa “the decision-maker without decision-making authority,” and as a result, the gap between Okinawa and mainland Japan is widening. I also revealed that the spread of neoliberalism’s values and the crisis of democracy are behind these situations.

    In order to break out of this situation, we must create a political system that allows the voice of Okinawa to be reflected in politics. To do so, it is necessary to continue to resist the technocrats, including entrepreneurs, bureaucrats, and politicians, who have pushed neoliberalism forward. This is the responsibility of Japanese society and PSAJ.

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