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東京湾盤洲干潟において網袋と人工芝による3種の二枚貝稚貝の捕集速度に影響を与える要因
https://oacis.repo.nii.ac.jp/records/2014
https://oacis.repo.nii.ac.jp/records/20145d398695-0e28-4dc5-a908-aa43e6b74431
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-10-29 | |||||
タイトル | ||||||
タイトル | 東京湾盤洲干潟において網袋と人工芝による3種の二枚貝稚貝の捕集速度に影響を与える要因 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Factors influencing the collection rate by mesh bag and artificial turf for three species of bivalve spats in Banzu tidal flat, Tokyo Bay | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題 | アサリ, 網袋, シオフキガイ, 人工芝, 天然採苗, バカガイ, 捕集速度 | |||||
資源タイプ | ||||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
著者 |
鳥羽, 光晴
× 鳥羽, 光晴× 小林, 豊× Ishii, Ryo× 林, 俊裕× 岡本, 隆 |
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書誌情報 |
日本水産学会誌 en : Nippon Suisan Gakkaishi 巻 82, 号 6, p. 899-910, 発行日 2016-11 |
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抄録 | ||||||
内容記述 | 網袋と人工芝のアサリ,バカガイ,シオフキガイに対する天然採苗機能に影響する要因を明らかにするため,東京湾盤洲干潟で2週間単位の採苗実験を2012年10月~2013年12月の間連続的に28回繰り返した。貝の大きさ,0.3 N m−2以上の底面せん断応力の出現回数,水温の3つを説明変数とした重回帰分析で,3種の捕集速度に最も大きく影響したのは貝の大きさであった。二枚貝の洗掘移動に影響する強い底面せん断応力の出現回数と,貝の潜砂速度に影響する水温は捕集速度と明確な関係を示さなかった。 | |||||
抄録 | ||||||
内容記述 | To assess the influence of factors expected to affect the collection rate of natural bivalve spats, we conducted an on-site spat collection experiment using mesh bags and artificial turf as spat collectors in Banzu tidal flat in Tokyo Bay. In a series of 28 fortnightly spat collections from October 2012 to December 2013, the collection rate [log(collected clam density/ambient clam density+1)/2 weeks] of Ruditapes philippinarum changed seasonally ranging from 0.06±0.01 to 1.67±0.08 (mean±SE) for mesh bag and from 0.24±0.04 to 1.78±0.08 for artificial turf; similar figures were 0-0.28±0.18 and 0-0.94±0.09 for Mactra chinensis, and 0-0.24±0.09 and 0-0.79±0.13 for M. veneriformis. The effects of three assumed explanatory variables (shell length, occurrence of shear stress >0.3 N m−2 during a single collection, and water temperature) on the collection rate were examined using multiple regression analysis. The shell length showed the largest standard partial correlation coefficient for both types of collector, and the collection rate was higher for smaller spats in the three bivalve species. The occurrence of high shear stress (i.e. physical erosion index for bivalves) and high water temperature, which affects the burrowing velocity of bivalves, showed minor effects on the collection rate. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0021-5392 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00193422 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.2331/suisan.16-00014 | |||||
情報源 | ||||||
関連識別子 | https://doi.org/10.2331/suisan.16-00014 | |||||
関連名称 | Publisher's Version/PDF (Open Access) | |||||
情報源 | ||||||
関連識別子 | https://jsfs.jp/ | |||||
関連名称 | 日本水産学会 | |||||
論文ID(NAID) | ||||||
識別子タイプ | NAID | |||||
関連識別子 | 130005284180 | |||||
出版者 | ||||||
出版者 | 日本水産学会 |