| Item type |
文献 / Documents(1) |
| 公開日 |
2020-12-17 |
| アクセス権 |
|
|
アクセス権 |
open access |
| 資源タイプ |
|
|
資源タイプ識別子 |
http://purl.org/coar/resource_type/c_6501 |
|
資源タイプ |
journal article |
| 出版社版DOI |
|
|
|
識別子タイプ |
DOI |
|
|
関連識別子 |
https://doi.org/10.3825/ece.23.79 |
|
|
言語 |
ja |
|
|
関連名称 |
10.3825/ece.23.79 |
| 出版タイプ |
|
|
出版タイプ |
VoR |
|
出版タイプResource |
http://purl.org/coar/version/c_970fb48d4fbd8a85 |
| タイトル |
|
|
タイトル |
水田への魚類の遡上を促す遡上板の開発 |
|
言語 |
ja |
| タイトル別表記 |
|
|
その他のタイトル |
Development of migrating board at water outlet of rice paddy field for upstream migration of fish |
|
言語 |
en |
| 著者 |
皆川, 明子
若宮, 慎二
竹下, 邦明
佐川, 志朗
河口, 洋一
村瀬, 潤
都築, 隆禎
深澤, 洋二
江崎, 保男
|
| 抄録 |
|
|
内容記述タイプ |
Abstract |
|
内容記述 |
Flashboards are set in the water outlets of paddy fields to manage water depth of the fields. Fish can enter paddy fields through the water outlets of the fields when water overflows due to rainfall and continuous irrigation. However, these flashboards often block fish migration. Therefore, we devised four types of migrating boards, namely, flat type, V-shape type, 5 mm guiding wall type, and 20 mm guiding wall type. These migrating boards cover the top of the flashboard and connect the water surfaces of paddy fields and the top pools of fishways. Upward migration tests on Carassius spp., Gnathopogon elongatus elongatus, Misgurnus anguillicaudatus, and Oryzias spp. were conducted using these boards. The highest number of fish migrated when using the 20 mm guiding wall type board. A total of 374 times of migration were observed for three of the four species; that is, migration was not observed for Oryzias spp., which was found to be unable to migrate probably due to the too strong currents for the species in these set-ups. The 20 mm guiding wall type migration board enabled smaller-sized fish to swim just inside the guiding wall and larger-sized fish to swim at the center of the guiding wall. Based on these observations, we concluded that the 20 mm guiding wall-type migrating board is the most effective in promoting fish migration. |
|
言語 |
en |
| キーワード |
|
|
言語 |
en |
|
主題Scheme |
Other |
|
主題 |
paddy field |
| キーワード |
|
|
言語 |
en |
|
主題Scheme |
Other |
|
主題 |
agricultural drainage channel |
| キーワード |
|
|
言語 |
en |
|
主題Scheme |
Other |
|
主題 |
fish |
| キーワード |
|
|
言語 |
en |
|
主題Scheme |
Other |
|
主題 |
migration |
| キーワード |
|
|
言語 |
en |
|
主題Scheme |
Other |
|
主題 |
fishway |
| 書誌情報 |
ja : 応用生態工学
en : Ecology and Civil Engineering
巻 23,
号 1,
p. 79-84,
発行日 2020-09-28
|
| 収録物ID |
|
|
収録物識別子タイプ |
ISSN |
|
収録物識別子 |
13443755 |
| 収録物ID |
|
|
収録物識別子タイプ |
ISSN |
|
収録物識別子 |
18825974 |
| 収録物ID |
|
|
収録物識別子タイプ |
NCID |
|
収録物識別子 |
AA11528360 |
| 出版者 |
|
|
出版者 |
応用生態工学会 |
|
言語 |
ja |
| EID |
|
|
識別子 |
372539 |
|
識別子タイプ |
URI |
| 言語 |
|
|
言語 |
jpn |
ece_23_1_79.pdf (2.04 MB)
