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二級水系とは、一級水系以外で公共の利害に重要な関係がある水系である。. 本流が二級河川で支流も二級河川・ 準用河川 であれば、本流の二級河川名（ 水系）で呼ばれる。. 二級河川とは、一級水系以外の水系で公共の利害に重要な関係があるもの（二級 ...
Smaller or less important rivers are designated as Class B river systems (二級水系, Nikyū Seikei). They are nominated and managed by the local governments at the prefecture level, but reported to and concurred with by the central government. There are 7,090 rivers with this designation.
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出典: フリー百科事典『ウィキペディア（Wikipedia）』 (2024/04/23 01:28 UTC 版) 二級水系（にきゅうすいけい）とは、日本の河川法によって定められた一級水系以外で「公共の利害に重要な関係がある水系」である。
1,000+ articles. 100+ articles. Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.
Wikipedia is a free content online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, through open collaboration and the use of the wiki-based editing system MediaWiki. Wikipedia is the largest and most-read reference work in history.
