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長野県北部の水田用水路に生息する淡水魚類:耕作放棄1年後の状況
http://hdl.handle.net/10091/2060
http://hdl.handle.net/10091/206063dd6b0d-6ec3-433a-832e-37d0a14385f8
名前 / ファイル | ライセンス | アクション |
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Shiga40-04.pdf (396.1 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2009-02-27 | |||||
タイトル | ||||||
言語 | ja | |||||
タイトル | 長野県北部の水田用水路に生息する淡水魚類:耕作放棄1年後の状況 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Population density of Japanese medaka Oryzias latipes in an irrigation-ditch around abandoned paddy fields in the northern Nagano prefecture, Japan. | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | departmental bulletin paper | |||||
著者 |
北野, 聡
× 北野, 聡× 山形, 哲也× 市川, 寛× 小林, 尚 |
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出版者 | ||||||
出版者 | 信州大学教育学部 | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 信州大学教育学部附属志賀自然教育研究施設研究業績 (40): 29-32(2003) | |||||
書誌情報 |
信州大学教育学部附属志賀自然教育研究施設研究業績 巻 40, p. 29-32, 発行日 2003-03-25 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Density of Japanese medaka Oryzias latipes was surveyed in an irrigation-ditch around paddy fields in the northern Nagano prefecture after one-year abandonment of cultivation. A total of 270 individuals of eight species (seven native and one exotic species) were captured in the study area. Japanese medaka was predominant fish in the irrigation-ditch. The density and population size of medaka were estimated at 4.9 individuals per ㎡ and ca. 9,000~12,000 individuals, respectively. Comparisons of the population data between successive years suggested that the medaka population around paddy fields had drastically decreased after abandonment of cultivation. | |||||
資源タイプ(コンテンツの種類) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Article | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0389-9128 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11520449 | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |