Search Results 1-20 of 25

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  • Interstitial vivianite and siderite-rhodochrosite in sandy nodules on a submerged terrace in Lake Biwa, Shiga Prefecture, Japan  [in Japanese]

    HATTORI Noboru , OHI Shugo , NAKANO Satoshi

    … <p>Clastic sandy nodules are found on a submerged terrace south of Oki-shima Islet in Lake Biwa, southwest Japan. … The vivianite and siderite-rhodochrosite in the sediments might be formed during incipient diagenesis in a reduction environment below the oxidative environment of the lake bottom. …

    Earth Science (Chikyu Kagaku) 72(4), 213-218, 2018

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  • The Role of Wildlife Medicine in the System for Authorizing Businesses to Capture Wildlife -Science-based population control in Great Cormorant management-  [in Japanese]

    SUDO Akiko

    <p> コロニーにおけるカワウの銃器捕獲は,カワウを拡散させ個体数を増加させる危険があり,カワウでは個体数調整が困難と考えられてきた。しかし,専門的・職能的捕獲技術者による少数精鋭の捕獲体制(シャープシューティング)による,科学的根拠に基づく計画的捕獲は,カワウの個体数調整を可能にすることがわかった。滋賀県では,カワウによる漁業被害,ならびにコロニーにおける植生破壊が深刻であった。様々 …

    Japanese Journal of Zoo and Wildlife Medicine 21(3), 81-90, 2016

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  • Water temperature characteristics and the maintenance of <i>Sargassum piluliferum</i> (Fucales, Phaeophyceae) in Namako-ike Lake, Kami-Koshiki-shima Island, Kagoshima Prefecture, Japan

    SHIMABUKURO Hiromori , YOSHIDA Goro , KUBO Mitsuru , WADA Minoru

    … Kami-Koshiki-shima Island, located in western part of Kagoshima Prefecture, contains landlocked brackishwater lagoons, and <i>Sargassum piluliferum</i> … is a dominant species in Namako-ike Lake, located in one of these lagoons. … In this study, seawater temperature in Namako-ike Lake and neighboring waters was measured in 2014 in order to elucidate the factors contributing to the maintenance of the <i>S. …

    Algal Resources 8(2), 147-154, 2015

    J-STAGE 

  • Sediment Environment and Zoobenthos Community Structure of Lake Ogawara  [in Japanese]

    OKADA Tatsuhiro , MAIE Nagamitsu , NAGASAKI Masayasu , KAKINO Wataru , EBINA Hideki , TOMIMASU Akimitsu , KADO Yuuetsu , SHIMA Eikichi

    本研究では,青森県の小川原湖における底質の全炭素(TC),全窒素(TN),全リン(TP)の分布を明らかにするとともに,底質の汚濁程度が異なる場所での底生動物群集の比較を行った.その結果,①湖底におけるTNとTPの分布は異なり,TNは水深の深い湖中部で高い一方,TPは,主要流入河川が流入する湖南部で高い値を示した.②底生動物群集の優占種の分布は湖北部・中部と湖南部で有意に異なり,湖北部・中部ではシジ …

    Transactions of The Japanese Society of Irrigation, Drainage and Rural Engineering 81(5), 453-461, 2013

    J-STAGE 

  • Te-Xe dating for mineralization ages : As an example of some hydrothermal gold deposits  [in Japanese]

    TAKAOKA Nobuo , SHIMADA Nobutaka , SHIMA Masako , NAKAMURA Tomoki , NAGAO Keisuke , SAGAWA Hitoshi , OKAZAKI Ryuji , SHIMADA Kazuhiko

    … Altaite (1,040±80 Ma) from the Au-Te quartz-carbonate vein of the Mattagami Lake mine, Matagami, Quebec, Canada; …

    Shigen-Chishitsu 62(3), 211-224, 2012-11-16

    J-STAGE  References (60)

  • Predominant Factor on Recruitment of Overwintering Microcystis sp. in Dam Lake  [in Japanese]

    USHIJIMA Ken , SHIMA Kuniyoshi , YAMAZAKI Kohji , SHIBATA Toshiaki , OHSHIMA Mitsuo , YAZAWA Kenichi

    ダム湖底で越冬した<I>Microcystis</I>は, 翌春に再浮上してアオコの発生に寄与していると考えられている. しかし, 再浮上のメカニズムは未解明の点が多い. そこで本研究では, 越冬<I>Microcystis</I>の再浮上に影響する可能性があると思われる, 物理的要因以外の環境要因を網羅的に扱い, 培養試験によってそれぞれ影響の有無 …

    ENVIRONMENTAL ENGINEERING RESEARCH (45), 131-137, 2008

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  • Historical environment change inferred from lake sediments of Kubiki-lake-group , Niigata  [in Japanese]

    SHIMA Toshiki , YAMAGATA Kotaro

    <BR>1.はじめに<BR> 湖成堆積物は,湖沼周辺の環境変遷を連続的かつ高精度に記録した媒体として有用である.新潟県上越地域では,中世以前から人間活動が活発に行われてきた歴史があり,各時代において人間活動が様々な形で自然環境に影響を及ぼしてきたと考えられる.この地域の北部に位置する頸城湖沼群には,そうした人間活動の影響が記録されている可能性が考えられる.また,この地域の西 …

    Proceedings of the General Meeting of the Association of Japanese Geographers 2007s(0), 175-175, 2007

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  • Blue coloration factor of Lake Shima of Gunma prefecture in Japan

    Iwasaki Asami , Takamatsu Nobuki , Kunugi Masayuki , Ohsawa Shinji

    群馬県四万湖の色彩測定,水質分析,呈色因子物質の分析を行い,四万湖の青色呈色因子について考察した。四万湖水中には二価の鉄イオンや銅イオン濃度が極めて低いことから,青色呈色の原因がこれらイオンによる光の吸収によるものではないと判断された。また,四万湖の懸濁物の赤外吸収スペクトル解析,蛍光X線分析,走査型電子顕微鏡による観察から,四万湖水中には,粘土鉱物の前駆物質であるアロフェンが存在しているこが確認 …

    Proceedings of General Assembly of The Japanese Society of Limnology R68(0), 158-158, 2003

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  • Structure and Function of Enzymes Involved in the Methanogenic Pathway Utilizing Carbon Dioxide and Molecular Hydrogen

    SHIMA Seigo , WARKENTIN Eberhard , THAUER Rudolf K , ERMLER Ulrith

    … Methane is an end product of anaerobic degradation of organic compounds in fresh water environments such as lake sediments and the intestinal tract of animals. …

    Journal of Bioscience and Bioengineering 93(6), 519-530, 2002-06-25

    References (93) Cited by (1)

  • Structure and Function of Enzymes Involved in the Methanogenic Pathway Utilizing Carbon Dioxide and Molecular Hydrogen.

    SHIMA SEIGO , WARKENTIN EBERHARD , THAUER RUDOLF K. , ERMLER ULRICH

    … Methane is an end product of anaerobic degradation of organic compounds in fresh water environments such as lake sediments and the intestinal tract of animals. …

    Journal of Bioscience and Bioengineering 93(6), 519-530, 2002

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  • Observation  on  the Oceanic  Structures  off  Irago  Strait  of  Ise  Bay  [in Japanese]

    Ohira Tomonori , Sekine Yoshihiko

    伊勢湾とその沖の外洋との相互作用を調べるため,三重大学の練習船『勢水丸』を用いて志摩半島沖から浜名湖沖を結ぶ直線の観測線で1995年5月から1998年8月までの四季にわたり計11回のCTDとADCPによる観測を行った.1995年5月の観測では紀伊半島の南沖から黒潮系の暖水の接近がみられ,1995年と1996年の10月には御前崎から伊勢湾沖を西進する黒潮のストリーマーが観測された.特に1995年10 …

    Bulletin on Coastal Oceanography 40(1), 71-79, 2002

    J-STAGE  NDL Digital Collections  Cited by (2)

  • The Lake Network Formed in Omi Province during the Sengoku Era : The Case of the Sasaki-Nagata Family  [in Japanese]

    KOKAZE Mariko

    … The aim of the present paper is to analyze the process by which one family, the Sasaki-Nagatas, took control of transportation points on Lake Biwa during the Japan's late medieval period. … on the shores of Lake Biwa, including Katsuno 勝野, Funaki 舟木, Sugaura 菅浦, Okushima 奥嶋, Okishima 沖島. … First, the families main estate, Otowa-no-Sho 音羽荘 in Takashima-gun 高島郡, had functioned from ancient times as the major point of transportation on the Lake. …

    SHIGAKU ZASSHI 106(3), 380-406, 1997

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  • A wadge-like saline layer in Lakes Nakaumi and Shinji detected by sonic survey, and its significance  [in Japanese]

    Tokuoka Takao , Onishi Ikuo , Sampei Yoshikazu

    … February 1993 and August 1993 along the same teansects from Daikon-shima ls. … southwest to Yonago Bay in Lake Nakaumi, and in February, 1993 and October, 1993 in Lake Shinji. … In lake Nakaumi, seasonal variations in the depth of reflectors were also recognized. … In lake Shinji, clear refrectors could he also observed, corresponding to changes in salinity. …

    Laguna (1), 11-26, 1994-03

    IR  Cited by (1)

  • Westward migration of the Shimanto River caused by uplifting of the Okitsu Peninsula, Shikoku  [in Japanese]

    Kagami Hideo , Mitsushio Taikou , Noda Kouichirou

    … The gravel bed correlates to the pre-terrace deposit : 3) a mudstone bed of lake-deposit origin is found in an abandoned meander at Satokawa. … Often the weak zone is associated with protrusion of igneous rocks such as Kashiwa-shima/Okino-Shima uplifting zone and Ashizuri uplifting zone. …

    Josai University bulletin. Liberal arts. Natural science, health and physical education 18, 9-28, 1994-03

  • Study on the Planning Methods for Coordination between the Keeping Scenic Beauty Place and the Development of Water Resources in Towada Lake and Oirase River Basin  [in Japanese]

    OKUBO Hiroshi , TSUTSUMI Satoshi , SHIMA Eikichi

    昭和12年に奥入瀬川河水統制計画が成立する。同計画は発電・農業・風致保全の総合的な計画である。成立までに風致と開発を巡って様々な議論が展開する。それは通常の水利調整とは異なる内容である。本報は, 過去の資料や文献調査等から, それらの議論の発端および議論の内容を整理して, 自然保護から始まった風致保全論が次第に観光開発へ変容していったことを示し, その画期を明らかにした。そして論議が収れんしていっ …

    Journal of the Agricultural Engineering Society, Japan 61(10), 927-932,a1, 1993

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  • A Systematic Study of the Japanese Chiroptera

    YOSHIYUKI Mizuko

    … ikonnikovi of the same subgenus, known from Nakano-shima I., Toya Lake, but has a shorter tail. …

    National Science Museum monographs 7, 1-242, 1989

  • <Articles>Some aspects of the Lake-pollution on the Tanzawa Mountains  [in Japanese]

    Nakamura Eiko , Tsunoi Atsushi , Namiki Hiroshi , Shima Makoto

    Memoirs of the Institute of Field Education, Yokohama National University 4, 1-14, 1986-03

  • Investigation of Historical Earthquakes (3) : Earthquake and Tsunami Damages by the Meio Earthquake of September 20,1498  [in Japanese]

    IIDA Kumizi

    … Most severe inundation heights in the range of 8 to 15 meters are estimated at the Shima Peninsula. … The remarkable changes in topographical features were the appearance of the sinking of several large areas such as Hamana, Yaezu, and Tsu distridts and of the opening of the Hamana lake to the sea. …

    Bulletin of Aichi Institute of Technology. Part B (15), p171-177, 1980-03

  • Maximum Entropy Spectral Analysis of Tidal Unconfined Groundwater Level:A method for estimating an aquifer coefficient <I>K</I>

    KOBAYASHI Tetsuo

    MEM(最大エントロピー法)スペクトル解析が, 水位変動の潮セキによる成分の振幅を評価するのに有効であることを実証した。MEMスペクトル解析結果から推定した大根島の地下水位の感潮振幅と中海の潮セキの振幅の比から, 簡単な帯水層モデルを用いて計算した透水係数は, 揚水試験によって得た値と同じオーダーを示す。少なくとも半年分の観測記録を用いれば, 本報によって得られる帯水層係数のオーダーは信頼できる。

    Transactions of The Japanese Society of Irrigation, Drainage and Reclamation Engineering 1980(89), 23-28,a1, 1980

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  • Studies on the culture of the artificial seeds of the ark shell anadara subcrenata (LISCHKE)  [in Japanese]

    日下部 台次郎

    … In winter, when the water level of the Japan Sea falls because of high atmospheric pressure, the fresh water of Lake Shinji flows into the lagoon to lower the salinity of its surface layer. … In a droughty year salinity is low in spite of little precipitation, because the high atmospheric pressure which prevails in such a year lowers the sea level and prompts the fresh water to flow down from Lake ShinjL(ii) The water of the Nakanoumi contains twice or thrice as much silicate and nitrate as that of Tokyo Bay. …

    Journal of the Faculty of Fisheries and Animal Husbandry,Hiroshima University 2(2), ????, 1959-12

    IR  DOI 

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